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Zhu Y, Liu J, Sun L, Liu M, Qi Q, Hou J. Development of genetic markers in Yarrowia lipolytica. Appl Microbiol Biotechnol 2024; 108:14. [PMID: 38170308 DOI: 10.1007/s00253-023-12835-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 10/28/2023] [Accepted: 11/04/2023] [Indexed: 01/05/2024]
Abstract
The oleaginous yeast Yarrowia lipolytica represents a potential microbial cell factory for the recombinant production of various valuable products. Currently, the commonly used selection markers for transformation in Y. lipolytica are limited, and successive genetic manipulations are often restricted by the number of available selection markers. In our study, we developed a dominant marker, dsdA, which encodes a D-serine deaminase for genetic manipulation in Y. lipolytica. In Y. lipolytica, this marker confers the ability to use D-serine as a nitrogen source. In addition, the selection conditions of several infrequently used dominant markers including bleoR (zeocin resistance), kanMX (G418 resistance), and guaB (mycophenolic acid resistance) were also analyzed. Our results demonstrated that these selection markers can be used for the genetic manipulation of Y. lipolytica and their selection conditions were different for various strains. Ultimately, the selection markers tested here will be useful to expand the genetic toolbox of Y. lipolytica. KEY POINTS: • The dsdA from Escherichia coli was developed as a dominant marker. • The applicability of several resistance markers in Y. lipolytica was determined. • We introduced the Cre/mutant lox system for marker recycling.
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Affiliation(s)
- Yamin Zhu
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China
| | - Jianhui Liu
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China
| | - Lingxuan Sun
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China
| | - Mengmeng Liu
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China
| | - Qingsheng Qi
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China
| | - Jin Hou
- State Key Laboratory of Microbial Technology, Shandong University, Binhai Road 72, Qingdao, Shandong, 266237, People's Republic of China.
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Wang W, Han M, Zhu G, Liu X, Zhao T, Ma X, Gong X, Xu C. Recycling selectable markers via Cre/loxP system for constructing Komagataella phaffii strains co-expressing multiple proteins. Biotechnol Lett 2024; 46:399-407. [PMID: 38416308 DOI: 10.1007/s10529-024-03466-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 11/28/2023] [Accepted: 01/08/2024] [Indexed: 02/29/2024]
Abstract
OBJECTIVE A convenient strategy was developed to recycle selectable markers using Cre/loxP system for constructing Komagataella phaffii strains co-expressing multiple proteins. RESULTS A plasmid in this strategy was generated from pPICZαA with integration of lox71-Sh ble-lox66. Firstly, the plasmid was inserted with one target protein gene and then transformed into K. phaffii KM71. Secondly, the auxiliary plasmid pPICZαA/cre/his4 containing CRE recombinase gene was further chromosomally inserted to Sh ble gene therein. Finally, methanol induction was conducted to produce CRE for Cre/loxP-mediated recombination, and consequently, the sequence between lox71 and lox66 was deleted, leading to recycling of ZeoR and His- markers. Then the resulted strain expressing the one target protein was used as the host to which another target protein gene could be inserted by the same procedures. CONCLUSIONS With easy manipulation, the method was effective in recycling of the selectable markers, and consequently two protein genes were sequential integrated chromosomally and successfully co-expressed in the yeast.
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Affiliation(s)
- Weixian Wang
- Analytical and Testing Center, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Minghai Han
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China.
| | - Guofei Zhu
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Xiaohui Liu
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Tianming Zhao
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Xiaoyan Ma
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Xun Gong
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
| | - Cunbin Xu
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550000, China
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Massoud G, Spann M, Vaught KC, Das S, Dow M, Cochran R, Baker V, Segars J, Singh B. Biomarkers Assessing the Role of Cumulus Cells on IVF Outcomes: A Systematic Review. J Assist Reprod Genet 2024; 41:253-275. [PMID: 37947940 PMCID: PMC10894783 DOI: 10.1007/s10815-023-02984-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023] Open
Abstract
PURPOSE Although significant improvements in assisted reproductive technology (ART) outcomes have been accomplished, a critical question remains: which embryo is most likely to result in a pregnancy? Embryo selection is currently based on morphological and genetic criteria; however, these criteria do not fully predict good-quality embryos and additional objective criteria are needed. The cumulus cells are critical for oocyte and embryo development. This systematic review assessed biomarkers in cumulus-oocyte complexes and their association with successful IVF outcomes. METHODS A comprehensive search was conducted using PubMed, Embase, Scopus, and Web of Science from inception until November 2022. Only English-language publications were included. Inclusion criteria consisted of papers that evaluated genetic biomarkers associated with the cumulus cells (CCs) in humans and the following three outcomes of interest: oocyte quality, embryo quality, and clinical outcomes, including fertilization, implantation, pregnancy, and live birth rates. RESULTS The search revealed 446 studies of which 42 met eligibility criteria. Nineteen studies correlated genetic and biochemical biomarkers in CCs with oocyte quality. A positive correlation was reported between oocyte quality and increased mRNA expression in CCs of genes encoding for calcium homeostasis (CAMK1D), glucose metabolism (PFKP), extracellular matrix (HAS2, VCAN), TGF-β family (GDF9, BMP15), and prostaglandin synthesis (PTGS2). Nineteen studies correlated genetic and biochemical biomarkers in CCs with embryo quality. A positive correlation was reported between embryo quality and increased mRNA expression in CCs of genes encoding for extracellular matrix (HAS2), prostaglandin synthesis (PTGS2), steroidogenesis (GREM1), and decreased expression of gene encoding for hormone receptor (AMHR2). Twenty-two studies assessed genetic and biochemical biomarkers in CCs with clinical outcomes. Increased expression of genes encoding for extracellular matrix (VCAN), and TGF-β family (GDF9, BMP15) were positively correlated with pregnancy rate. CONCLUSION Genetic biomarkers from cumulus cells were associated with oocyte quality (CAMK1D, PFKP, HAS2, VCAN, GDF-9, BMP-15, PTGS2), embryo quality (GREM1, PTGS2, HAS2), and pregnancy rate (GDF9, BMP15, VCAN). These results might help guide future studies directed at tests of cumulus cells to devise objective criteria to predict IVF outcomes.
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Affiliation(s)
- Gaelle Massoud
- Division of Reproductive Sciences & Women's Health Research, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross Research Building, Room 624, Baltimore, MD, 21205, USA
| | - Marcus Spann
- Informationist Services, Welch Medical Library, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kamaria Cayton Vaught
- Division of Reproductive Sciences & Women's Health Research, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross Research Building, Room 624, Baltimore, MD, 21205, USA
| | - Samarjit Das
- Department of Pathology and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Mark Dow
- Division of Reproductive Endocrinology and Infertility, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Richard Cochran
- Division of Reproductive Sciences & Women's Health Research, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross Research Building, Room 624, Baltimore, MD, 21205, USA
| | - Valerie Baker
- Division of Reproductive Endocrinology and Infertility, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - James Segars
- Division of Reproductive Sciences & Women's Health Research, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross Research Building, Room 624, Baltimore, MD, 21205, USA
| | - Bhuchitra Singh
- Division of Reproductive Sciences & Women's Health Research, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Ross Research Building, Room 624, Baltimore, MD, 21205, USA.
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Orazov A, Yermagambetova M, Myrzagaliyeva A, Mukhitdinov N, Tustubayeva S, Turuspekov Y, Almerekova S. Plant height variation and genetic diversity between Prunus ledebouriana (Schlecht.) YY Yao and Prunus tenella Batsch based on using SSR markers in East Kazakhstan. PeerJ 2024; 12:e16735. [PMID: 38223754 PMCID: PMC10788089 DOI: 10.7717/peerj.16735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 12/07/2023] [Indexed: 01/16/2024] Open
Abstract
Background Genetic differences between isolated endemic populations of plant species and those with widely known twin species are relevant for conserving the biological diversity of our planet's flora. Prunus ledebouriana (Schlecht.) YY Yao is an endangered and endemic species of shrub almond from central Asia. Few studies have explored this species, which is closely related and morphologically similar to the well-known Prunus tenella Batsch. In this article, we present a comparative analysis of studies of three P. ledebouriana populations and one close population of P. tenella in Eastern Kazakhstan in order to determine the particular geographic mutual replacement of the two species. Methods The populations were collected from different ecological niches, including one steppe population near Ust-Kamenogorsk (P. tenella) and three populations (P. ledebouriana) in the mountainous area. Estimation of plant height using a t-test suggested a statistically significant difference between the populations and the two species (P < 0.0001). DNA simple sequence repeat (SSR) markers were applied to study the two species' genetic diversity and population structure. Results A total of 19 polymorphic SSR loci were analyzed, and the results showed that the population collected in mountainous areas had a lower variation level than steppe populations. The highest level of Nei's genetic diversity index was demonstrated in the 4-UK population (0.622) of P. tenella. The lowest was recorded in population 3-KA (0.461) of P. ledebouriana, collected at the highest altitude of the four populations (2,086 meters above sea level). The total genetic variation of P. ledebouriana was distributed 73% within populations and 27% between populations. STRUCTURE results showed that two morphologically similar species diverged starting at step K = 3, with limited population mixing. The results confirmed the morphological and genetic differences between P. tenella and P. ledebouriana and described the level of genetic variation for P. ledebouriana. The study's results proved that the steppe zone and mountain altitude factor between P. tenella and isolated mountain samples of P. ledebouriana.
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Affiliation(s)
- Aidyn Orazov
- School of Natural Sciences, Astana International University, Astana, Kazakhstan
- Molecular Genetics Laboratory, Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
- Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - Moldir Yermagambetova
- Molecular Genetics Laboratory, Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Anar Myrzagaliyeva
- School of Natural Sciences, Astana International University, Astana, Kazakhstan
| | - Nashtay Mukhitdinov
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Shynar Tustubayeva
- School of Natural Sciences, Astana International University, Astana, Kazakhstan
| | - Yerlan Turuspekov
- Molecular Genetics Laboratory, Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Shyryn Almerekova
- Molecular Genetics Laboratory, Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
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Al-Sharif M, Marghani BH, Ateya A. DNA polymorphisms and expression profile of immune and antioxidant genes as biomarkers for reproductive disorders tolerance/susceptibility in Baladi goat. Anim Biotechnol 2023; 34:2219-2230. [PMID: 35671246 DOI: 10.1080/10495398.2022.2082975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The objective of this study was to explore single nucleotide polymorphisms (SNPs) and gene expression of immune and antioxidant markers associated with reproductive disorders in Baladi goats. A total of one hundred adults Baladi does were allocated into two equal-sized groups: normal reproductive performance and does have a history of reproductive disorders. DNA sequencing of PRLR (304-bp), LTF (904-bp), TLR2 (420-bp), TLR4 (335-bp), CLA-DRB3.2 (285-bp), SOD3 (735-bp), CAT (1526-bp), GPX4 (782-bp), and GST (690-bp) revealed SNPs associated with reproductive disorders tolerance/susceptibility in investigated does. Nonetheless, DNA sequencing of beta defensin (483-bp), CCL5 (840-bp), and ATOX1 (374-bp) genes elicited a monomorphic pattern. Levels of PRLR, LTF, TLR2, TLR4, CLA-DRB3.2, beta defensin, and CCL5 genes were significantly up-regulated in does affect with reproductive disorders than tolerant ones; while SOD3, CAT, GPX4, GST and ATOX1 genes pattern elicited an opposite trend. The results herein confirmed the potential significance of SNPs in immune and antioxidant genes as genetic markers for reproductive disorders tolerance/susceptibility in Baladi does. The Gene expression profile of investigated genes could be also used as proxy biomarkers for the prediction of the most susceptible risk time for disease occurrence and for building up an effective management protocol.
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Affiliation(s)
- Mona Al-Sharif
- Department of Biology, College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Basma H Marghani
- Department of Physiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ahmed Ateya
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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An Y, Xia X, Zheng H, Yu S, Jing T, Zhang F. Multi-genome comprehensive identification of SSR/SV and development of molecular markers database to serve Sorghum bicolor (L.) breeding. BMC Genom Data 2023; 24:62. [PMID: 37924022 PMCID: PMC10625204 DOI: 10.1186/s12863-023-01165-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 10/19/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND As an important food and cash crop, identification of DNA molecular markers is of great significance for molecular marker-assisted breeding of Sorghum (Sorghum bicolor (L.) moench). Although some sorghum-related mutation databases have been published, the special SSR and SV databases still need to be constructed and updated. RESULTS In this study, the quality of 18 different sorghum genomes was evaluated, and two genomes were assembled at chromosome level. Through the identification and comparative analysis of SSR loci in these genomes, the distribution characteristics of SSR in the above sorghum genomes were initially revealed. At the same time, five representative reference genomes were selected to identify the structural variation of sorghum. Finally, a convenient SSR/SV database of sorghum was constructed by integrating the above results ( http://www.sorghum.top:8079/ ; http://43.154.129.150:8079/ ; http://47.106.184.91:8079/ ). Users can query the information of related sites and primer pairs. CONCLUSIONS Anyway, our research provides convenience for sorghum researchers and will play an active role in sorghum molecular marker-assisted breeding.
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Affiliation(s)
- Yanlin An
- Department of Food Science and Engineering, Moutai Institute, Renhuai, China
| | - Xiaobo Xia
- College of Plant Protection , Nanjing Agricultural University, Nanjing, 210095, China
| | - Huayan Zheng
- Department of Food Science and Engineering, Moutai Institute, Renhuai, China
| | - Shirui Yu
- Department of Food Science and Engineering, Moutai Institute, Renhuai, China
| | - Tingting Jing
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China.
| | - Feng Zhang
- Department of Food Science and Engineering, Moutai Institute, Renhuai, China.
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Ma C, Qian J, Feng Y, Sehgal SK, Zhao Y, Chen Q, Li H, Liu W. Genetic Mapping of a Novel Gene PmAege7M from Aegilops geniculata Conferring Resistance to Wheat Powdery Mildew. Plant Dis 2023; 107:3608-3615. [PMID: 37272041 DOI: 10.1094/pdis-04-23-0764-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is one of the most damaging foliage diseases of wheat across the world. Aegilops geniculata Roth is a valuable gene resource for enhancing wheat resistance to powdery mildew. This study identified Ae. geniculata accession PI 487224 as immune and PI 487228 as susceptible to powdery mildew. Genetic analysis of the F1, F2, and F2:3 progeny derived from PI 487224 × PI 487228 showed that powdery mildew resistance in PI 487224 was controlled by two independent dominant genes located on two different nonhomologous chromosomes. By combing bulked segregant RNA-Seq, genetic linkage analysis of a single resistance gene segregation population, and marker analysis of a set of 14 wheat-Ae. geniculata chromosome addition lines, one of the resistance genes, temperately designated PmAege7M, was mapped to a 4.9-cM interval flanked by markers STS7-55926 and SNP7-45792/STS7-65911 on the long arm of chromosome 7 Mg of PI 487224, spanning 604.73 to 622.82 Mb on the 7D long arm based on the Ae. tauschii reference genome (Aet_v4.0). The map and closely linked markers of PmAege7M from Ae. geniculata in this study will facilitate the transfer of PmAege7M into common wheat and fine mapping of the gene.
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Affiliation(s)
- Chao Ma
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Jiajun Qian
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Yajun Feng
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Sunish K Sehgal
- Department of Agronomy, Horticulture, and Plant Science, South Dakota State University, Bookings, SD 57007, U.S.A
| | - Yue Zhao
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Qifan Chen
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Huanhuan Li
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Wenxuan Liu
- The State Key Laboratory of Wheat and Maize Crop Science, College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
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Scheuermann KK, Pereira A. Development of a molecular marker for the Pi1 gene based on the association of the SNAP protocol with the touch-up gradient amplification method. J Microbiol Methods 2023; 214:106845. [PMID: 37858898 DOI: 10.1016/j.mimet.2023.106845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/28/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
Genetic resistance is the most effective and eco-friendly approach to combat rice blast. The application of resistance genes may be facilitated by the availability of molecular markers that allow marker-assisted selection during the breeding process. The Pi1 gene, considered to be a broad-spectrum resistance gene, might contribute to enhancing resistance to rice blast, but it lacks a suitable marker that can be used. In this study, we investigated nucleotide polymorphism in the Pik locus and combined the SNAP protocol with the touch-up gradient amplification method to develop a SNAP marker. The Pi1 SNAP marker could distinguish Pi1 from Pik alleles, and when used for screening a germplasm bank and an F2 population, it consistently identified germplasms carrying the Pi1 gene. The P1 SNAP marker offers as advantages to involve only the presence/absence analysis of PCR amplicons resolved on an agarose gel.
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Affiliation(s)
- Klaus Konrad Scheuermann
- Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina, Estação Experimental de Itajaí - Epagri-EEI. C.P. 277, Itajaí, SC CEP 88318-112, Brazil.
| | - Adriana Pereira
- Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina, Estação Experimental de Itajaí - Epagri-EEI. C.P. 277, Itajaí, SC CEP 88318-112, Brazil
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Hong E, Bankole IA, Zhao B, Shi G, Buck JW, Feng J, Curland RD, Baldwin T, Chapara V, Liu Z. DNA Markers, Pathogenicity Test, and Multilocus Sequence Analysis to Differentiate and Characterize Cereal-Specific Xanthomonas translucens Strains. Phytopathology 2023; 113:2062-2072. [PMID: 37551962 DOI: 10.1094/phyto-10-22-0381-sa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Xanthomonas translucens contains a group of bacterial pathogens that are closely related and have been divided into several pathovars based on their host range. X. translucens pv. undulosa (Xtu) and X. translucens pv. translucens (Xtt) are two important pathovars that cause bacterial leaf streak disease on wheat and barley, respectively. In this study, DNA markers were developed to differentiate Xtu and Xtt and were then used to characterize a collection of X. translucens strains with diverse origins, followed by confirmation and characterization with pathogenicity tests and multilocus sequence analysis/typing (MLSA/MLST). We first developed cleaved amplified polymorphic sequence markers based on the single-nucleotide polymorphisms within a cereal pathovar-specific DNA sequence. In addition, two Xtt-specific markers, designated Xtt-XopM and Xtt-SP1, were developed from comparative genomics among the sequenced Xtt/Xtu genomes. Using the developed markers, a collection of X. translucens strains were successfully identified as Xtu or Xtt. Pathogenicity tests on wheat and barley plants and MLSA of four housekeeping genes validated the pathovar assignation of those strains. Furthermore, MLSA revealed distinct subclades within both Xtu and Xtt groups. Seven and three sequence types were identified from MLST for Xtu and Xtt strains, respectively. The establishment of efficient Xtt/Xtu differentiation methods and characterization of those strains will be useful in studying disease epidemiology and host-pathogen interactions and breeding programs when screening for sources of resistance for these two important bacterial pathogens.
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Affiliation(s)
- Eunhye Hong
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, U.S.A
| | - Ibukunoluwa A Bankole
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, U.S.A
| | - Bin Zhao
- Department of Statistics, North Dakota State University, Fargo, ND 58108, U.S.A
| | - Gongjun Shi
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, U.S.A
| | - James W Buck
- Department of Plant Pathology, University of Georgia, Griffin, GA 30223, U.S.A
| | - Jie Feng
- Alberta Plant Health Lab, Crop Diversification Centre North, AAFRED, Edmonton, AB, T5Y 6H3, Canada
| | - Rebecca D Curland
- Department of Plant Pathology, University of Minnesota, St. Paul, MN 55108, U.S.A
| | - Thomas Baldwin
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, U.S.A
| | - Venkata Chapara
- Langdon Research Extension Center, ND Agricultural Experimental Station, Langdon, ND 58249, U.S.A
| | - Zhaohui Liu
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, U.S.A
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Pradhan M, Bastia D, Samal KC, Dash M, Sahoo JP. Pyramiding resistance genes for bacterial leaf blight (Xanthomonas oryzae pv. Oryzae) into the popular rice variety, Pratikshya through marker assisted backcrossing. Mol Biol Rep 2023; 50:9047-9060. [PMID: 37725285 DOI: 10.1007/s11033-023-08805-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 09/07/2023] [Indexed: 09/21/2023]
Abstract
BACKGROUND Bacterial leaf blight (BLB) is one of the major biotic stress in rice cultivation. Management techniques, such as the development of BLB-resistant cultivars, are required to lessen the severity of the disease attack and yield losses. Pratikshya was selected in the present investigation as the recipient parent, as it is one of the popular high-yielding rice varieties of Odisha, India, which is having excellent grain as well as cooking quality. However, Pratikshya is highly susceptible to BLB which is prevalent in Eastern Indian region. METHODS AND RESULTS Three major BLB resistance genes xa5, xa13, and Xa21 from the donor source Swarna MAS (CR Dhan 800) were attempted to introduce into Pratikshya through a marker-assisted backcross breeding program. Those markers closely linked to the target genes were employed for foreground selection in the segregating generations till BC2F3. In each backcross generation, progenies containing all three targeted resistance genes and phenotypically more similar to the recipient parent, Pratikshya were selected and backcrossed. Screening of 1,598 plants of the BC2F2 population was conducted against BLB using Xoo inoculum and 35 resistant plants similar to Pratikshya were carried forward to the next generation. In the BC2F3 generation, 31 plants were found to possess all the three resistance genes. For background selection of plants carrying resistance genes 45 polymorphic SSR markers were employed. Evaluation of the pyramided lines at BC2F4 generation exhibited that, most pyramided lines were similar to Pratikshya in terms of morphological features and yield parameters, and some lines were superior to the recurrent parent in terms of morphological features and yield parameters. CONCLUSION The three-gene pyramided lines showed a high level of resistance to BLB infection and are anticipated to offer a significant yield advantage over the recipient parent Pratikshya. The pyramided lines can further be used for multi-location trial, so as to be released as a variety or can be used as a potential donor for BLB resistance genes.
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Affiliation(s)
- Madhuri Pradhan
- Department of Genetics and Plant Breeding, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, 753001, India
- Department of Agriculture and Allied Sciences, C. V. Raman Global University, Bhubaneswar, 752054, India
| | - Debendranath Bastia
- Department of Genetics and Plant Breeding, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, 753001, India
| | - Kailash Chandra Samal
- Department of Molecular Biology and Biotechnology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, 753001, India
- College of Horticulture, Odisha University of Agriculture and Technology, Chiplima, 768025, India
| | - Manasi Dash
- Department of Genetics and Plant Breeding, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, 753001, India
| | - Jyoti Prakash Sahoo
- Department of Agriculture and Allied Sciences, C. V. Raman Global University, Bhubaneswar, 752054, India.
- Department of Molecular Biology and Biotechnology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, 753001, India.
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11
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Kikkawa HS, Sato MP, Matsuo A, Sasaki T, Suyama Y, Tsuge K. Discrimination of Camellia cultivars using iD-NA analysis. Sci Rep 2023; 13:17674. [PMID: 37848466 PMCID: PMC10582245 DOI: 10.1038/s41598-023-44404-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 10/07/2023] [Indexed: 10/19/2023] Open
Abstract
Recently, many new cultivars have been taken abroad illegally, which is now considered an international issue. Botanical evidence found at a crime scene provides valuable information about the origin of the sample. However, botanical resources for forensic evidence remain underutilized because molecular markers, such as microsatellites, are not available without a limited set of species. Multiplexed intersimple sequence repeat (ISSR) genotyping by sequencing (MIG-seq) and its analysis method, identification of not applicable (iD-NA), have been used to determine several genome-wide genetic markers, making them applicable to all plant species, including those with limited available genetic information. Camellia cultivars are popular worldwide and are often planted in many gardens and bred to make new cultivars. In this study, we aimed to analyze Camellia cultivars/species through MIG-seq. MIG-seq could discriminate similar samples, such as bud mutants and closely related samples that could not be distinguished based on morphological features. This discrimination was consistent with that of a previous study that classified cultivars based on short tandem repeat (STR) markers, indicating that MIG-seq has the same or higher discrimination ability as STR markers. Furthermore, we observed unknown phylogenetic relationships. Because MIG-seq can be applied to unlimited species and low-quality DNA, it may be useful in various scientific fields.
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Affiliation(s)
- Hitomi S Kikkawa
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan.
| | - Mitsuhiko P Sato
- Kazusa DNA Research Institute, 2-6-7 Kazusakamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Ayumi Matsuo
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Takanori Sasaki
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Yoshihisa Suyama
- Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-Onsen, Osaki, Miyagi, 989-6711, Japan
| | - Kouichiro Tsuge
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan
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12
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Sohail M, Palma-Martínez MJ, Chong AY, Quinto-Cortés CD, Barberena-Jonas C, Medina-Muñoz SG, Ragsdale A, Delgado-Sánchez G, Cruz-Hervert LP, Ferreyra-Reyes L, Ferreira-Guerrero E, Mongua-Rodríguez N, Canizales-Quintero S, Jimenez-Kaufmann A, Moreno-Macías H, Aguilar-Salinas CA, Auckland K, Cortés A, Acuña-Alonzo V, Gignoux CR, Wojcik GL, Ioannidis AG, Fernández-Valverde SL, Hill AVS, Tusié-Luna MT, Mentzer AJ, Novembre J, García-García L, Moreno-Estrada A. Mexican Biobank advances population and medical genomics of diverse ancestries. Nature 2023; 622:775-783. [PMID: 37821706 PMCID: PMC10600006 DOI: 10.1038/s41586-023-06560-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/22/2023] [Indexed: 10/13/2023]
Abstract
Latin America continues to be severely underrepresented in genomics research, and fine-scale genetic histories and complex trait architectures remain hidden owing to insufficient data1. To fill this gap, the Mexican Biobank project genotyped 6,057 individuals from 898 rural and urban localities across all 32 states in Mexico at a resolution of 1.8 million genome-wide markers with linked complex trait and disease information creating a valuable nationwide genotype-phenotype database. Here, using ancestry deconvolution and inference of identity-by-descent segments, we inferred ancestral population sizes across Mesoamerican regions over time, unravelling Indigenous, colonial and postcolonial demographic dynamics2-6. We observed variation in runs of homozygosity among genomic regions with different ancestries reflecting distinct demographic histories and, in turn, different distributions of rare deleterious variants. We conducted genome-wide association studies (GWAS) for 22 complex traits and found that several traits are better predicted using the Mexican Biobank GWAS compared to the UK Biobank GWAS7,8. We identified genetic and environmental factors associating with trait variation, such as the length of the genome in runs of homozygosity as a predictor for body mass index, triglycerides, glucose and height. This study provides insights into the genetic histories of individuals in Mexico and dissects their complex trait architectures, both crucial for making precision and preventive medicine initiatives accessible worldwide.
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Affiliation(s)
- Mashaal Sohail
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico.
- Department of Human Genetics, University of Chicago, Chicago, IL, USA.
- Centro de Ciencias Genómicas (CCG), Universidad Nacional Autónoma de México (UNAM), Cuernavaca, Mexico.
| | - María J Palma-Martínez
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
| | - Amanda Y Chong
- The Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Consuelo D Quinto-Cortés
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
| | - Carmina Barberena-Jonas
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
| | - Santiago G Medina-Muñoz
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
| | - Aaron Ragsdale
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, USA
| | | | - Luis Pablo Cruz-Hervert
- Instituto Nacional de Salud Pública (INSP), Cuernavaca, Mexico
- División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | | | | | | | | | - Andrés Jimenez-Kaufmann
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
| | - Hortensia Moreno-Macías
- Unidad de Biología Molecular y Medicina Genómica, Instituto de Investigaciones Biomédicas UNAM/Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
- Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - Carlos A Aguilar-Salinas
- Division de Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Kathryn Auckland
- The Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Adrián Cortés
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK
| | | | - Christopher R Gignoux
- Colorado Center for Personalized Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Genevieve L Wojcik
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | | | - Selene L Fernández-Valverde
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico
- School of Biotechnology and Biomolecular Sciences and the RNA Institute, The University of New South Wales, Sydney, New South Wales, Australia
| | - Adrian V S Hill
- The Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
- The Jenner Institute, University of Oxford, Oxford, UK
| | - María Teresa Tusié-Luna
- Unidad de Biología Molecular y Medicina Genómica, Instituto de Investigaciones Biomédicas UNAM/Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Alexander J Mentzer
- The Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK.
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK.
| | - John Novembre
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | | | - Andrés Moreno-Estrada
- Unidad de Genómica Avanzada (UGA-LANGEBIO), Centro de Investigación y Estudios Avanzados del IPN (Cinvestav), Irapuato, Mexico.
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A. A. Hussein M, Eid M, Rahimi M, Filimban FZ, Abd El-Moneim D. Comparative Assessment of SSR and RAPD markers for genetic diversity in some Mango cultivars. PeerJ 2023; 11:e15722. [PMID: 37790610 PMCID: PMC10542820 DOI: 10.7717/peerj.15722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/24/2023] [Indexed: 10/05/2023] Open
Abstract
Genetic improvement mainly depends on the level of genetic variability present in the population, and the degree of genetic diversity in a population largely determines the rate of genetic advancement. For analyzing genetic diversity and determining cultivar identities, a molecular marker is a useful tool. Using 30 SSR (simple sequence repeat) and 30 RAPD (randomly amplified polymorphic DNA) markers, this study evaluated the genetic divergence of 17 mango cultivars. The effectiveness of the two marker systems was evaluated using their genetic diversity characteristics. Additionally, the effects of SM (simple matching) and Dice similarity coefficients and their effects on mango clustering were evaluated. The findings showed that SSR markers generated 192 alleles, all of which were polymorphic (100%). With RAPD markers, 434 bands were obtained, 361 of which were polymorphic (83%). The average polymorphic information content (PIC) for RAPD and SSR was 0.378 and 0.735, respectively. Using SSR markers resulted in much higher values for other genetic diversity parameters compared to RAPD markers. Furthermore, grouping the genotypes according to the two similarity coefficients without detailed consideration of these coefficients could not influence the study results. The RAPD markers OPA_01, OPM_12 followed by OPO_12 and SSR markers MIAC_4, MIAC_5 followed by mMiCIR_21 were the most informative in terms of describing genetic variability among the cultivars under study; they can be used in further investigations such as genetic mapping or marker-assisted selection. Overall, 'Zebda' cultivar was the most diverse of the studied cultivars.
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Affiliation(s)
- Mohammed A. A. Hussein
- Department of Botany (Genetic Branch), Faculty of Agriculture, Suez Canal University, Ismailia, Egypt
| | - Manal Eid
- Department of Botany (Genetic Branch), Faculty of Agriculture, Suez Canal University, Ismailia, Egypt
| | - Mehdi Rahimi
- Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Faten Zubair Filimban
- Division of Botany, Department of Biology, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Diaa Abd El-Moneim
- Faculty of Environmental Agricultural Sciences, Plant Production Department - Genetic Branch, Arish University, El Arish, Egypt
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14
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Yasmin, O’Shaughnessy KM. Genetic Markers Regulating Blood Pressure in Extreme Discordant Sib Pairs. Genes (Basel) 2023; 14:1862. [PMID: 37895212 PMCID: PMC10606487 DOI: 10.3390/genes14101862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/19/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
Genome-wide scans performed in affected sib pairs have revealed small and often inconsistent clues to the loci responsible for the inherited components of hypertension. Since blood pressure is a quantitative trait regulated by many loci, two siblings at opposite extremes of the blood pressure distribution are more likely to have inherited different alleles at any given locus. Hence, we investigated an extreme discordant sib pair strategy to analyse markers from two previous loci of interest: (1) the Gordons syndrome locus that includes the WNK4 gene and (2) the ROMK locus identified in our first genome-wide scan. For this study, 24 sib pairs with strong family histories of essential hypertension were selected from the top and bottom 10% of the blood pressure distribution and genotyped for highly polymorphic microsatellite markers on chromosomes 11 and 17. The mean age of the population was 39.8 ± 7.8 years. A significant inverse correlation was found between the squared difference in pulse pressure and the number of alleles shared by IBD between the siblings for the DS11925 marker (r = -0.44, p = 0.031), systolic pressure and chromosome 17 markers (D17S250: r = -0.42, p = 0.040; D17S799 (r = -0.51, p = 0.011), and this relationship persisted after correcting for age and gender. Markers on chromosome 17 (D17S250, D17S928 and D17S1301) and 11 (D11S1999) also correlated with diastolic pressure. These results illustrate the successful use of discordant sib pair analysis to detect linkage within relatively small numbers of pedigrees with hypertension. Further analysis of this cohort may be valuable in complementing findings from the large genome wide scans in affected sib pairs.
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Affiliation(s)
- Yasmin
- Experimental Medicine & Immunotherapeutics Division, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
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15
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Sivolapova AB, Polivanova OB, Goryunov DV, Chebanova YV, Fedorova AV, Sotnikova EA, Karabitsina YI, Benko NI, Mukhina ZM, Anisimova IN, Demurin YN, Goryunova SV. Refinement of Rf1-gene localization and development of the new molecular markers for fertility restoration in sunflower. Mol Biol Rep 2023; 50:7919-7926. [PMID: 37453962 DOI: 10.1007/s11033-023-08646-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Ability to restore male fertility is important trait for sunflower breeding. The most commonly used fertility restoration gene in the production of sunflower hybrids is Rf1. The localization of Rf1 on the linkage group 13 has been previously shown, however, its exact position, its sequence and molecular mechanism for fertility restoration remain unknown. Therefore, several markers linked to Rf1 gene, commonly used for MAS, don't always allow to identify the genotype of plants. For this reason, the search for new markers and precise localization of the Rf1 gene is an urgent task. METHODS AND RESULTS Based on previously identified single nucleotide polymorphisms (SNPs) at LG13, significantly associated with the ability to restore male fertility, two markers have been developed that have performed well after careful evaluation. These markers, together with other Rf1 markers, were applied for genotyping 72 diversity panel accessions and 291 individuals of F2 segregating population, obtained from crossing the cytoplasmic male sterility (CMS) AHO33 and restorer RT085HO lines. The analysis revealed no recombinants between Rf1 gene and SRF833 marker, the distance between Rf1 and SRF122 marker was 1.0 cM. CONCLUSIONS Data obtained made it possible to specify the localization of the Rf1 gene and reduce the list of candidate genes to the 3 closely linked PPR-genes spanning a total of 59 Kb. However, it cannot be ruled out that analysis of the candidate region in the genome of fertility restorer lines can reveal new candidate genes in this locus that are absent in the cytoplasmic male sterility maintainer reference sequence.
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Affiliation(s)
- Anastasia B Sivolapova
- Russian Potato Research Center, 23 Lorkh Str., Kraskovo, Moscow Region, Lyubertsy District, Lyubertsy, 140051, Russia.
| | - Oksana B Polivanova
- Russian Potato Research Center, 23 Lorkh Str., Kraskovo, Moscow Region, Lyubertsy District, Lyubertsy, 140051, Russia
- Russian State Agrarian University Moscow Timiryazev Agricultural Academy, 49 Timiryazevskaya Street, Moscow, 127550, Russia
| | - Denis V Goryunov
- Russian Potato Research Center, 23 Lorkh Str., Kraskovo, Moscow Region, Lyubertsy District, Lyubertsy, 140051, Russia
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 1 Leninskie Gory Str., bld. 40, Moscow, 119992, Russia
| | - Yulia V Chebanova
- FSBSI Federal scientific center "V.S. Pustovoit All-Russian Research Institute of Oil crops", 17 imeny Filatova Str, Krasnodar, 350038, Russia
| | - Alina V Fedorova
- Tsitsin Main Botanical Garden Russian Academy of Science, 4 Botanicheskaya Str, Moscow, 127276, Russia
| | - Evgeniia A Sotnikova
- National Medical Research Center for Therapy and Preventive Medicine, 10 Petroverigsky Per., bld. 3, Moscow, 101000, Russia
| | - Yulia I Karabitsina
- The N.I. Vavilov All-Russian Research Institute of Plant Genetic Resources, 42, 44, Bolshaya Morskaya, Str., Saint Petersburg, 190000, Russia
| | - Nikolai I Benko
- Breeding and seed production company "Agroplazma", 71 Krasnykh Partizan Str, Krasnodar, 350012, Russia
| | - Zhanna M Mukhina
- All-Russia Rice Research Institute, 3 Belozernyy poselok, Krasnodar, 350921, Russia
| | - Irina N Anisimova
- The N.I. Vavilov All-Russian Research Institute of Plant Genetic Resources, 42, 44, Bolshaya Morskaya, Str., Saint Petersburg, 190000, Russia
| | - Yakov N Demurin
- FSBSI Federal scientific center "V.S. Pustovoit All-Russian Research Institute of Oil crops", 17 imeny Filatova Str, Krasnodar, 350038, Russia
| | - Svetlana V Goryunova
- Russian Potato Research Center, 23 Lorkh Str., Kraskovo, Moscow Region, Lyubertsy District, Lyubertsy, 140051, Russia
- Institute of General Genetics Russian Academy of Science, 3 Gubkina Str, Moscow, 119333, Russia
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16
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Musiał AD, Ropka-Molik K, Stefaniuk-Szmukier M, Myćka G, Bieniek A, Yasynetska N. Characteristic of Przewalski horses population from Askania-Nova reserve based on genetic markers. Mol Biol Rep 2023; 50:7121-7126. [PMID: 37365410 PMCID: PMC10374732 DOI: 10.1007/s11033-023-08581-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 06/02/2023] [Indexed: 06/28/2023]
Abstract
Przewalski horses are considered the last living population of wild horses, however, they are secondarily feral offspring of herds domesticated ~ 5000 years ago by the Botai culture. After Przewalski horses were almost extinct at the beginning of the twentieth century, their population is about 2500 individuals worldwide, with one of the largest breeding centers in Askania-Nova Biosphere Reserve (Ukraine). The research aimed to establish the maternal variation of Przewalski horses population maintained in Askania-Nova Reserve based on mitochondrial DNA hypervariable 1 and hypervariable 2 regions profiling, as well as, analysis of Y chromosome single nucleotide polymorphism unique for Przewalski horses, and coat color markers: MC1R and TBX3. The mtDNA hypervariable regions analysis in 23 Przewalski horses allowed assigning them to three distinctly different haplotypes, showing the greatest similarity to the Equus caballus reference, the Equus przewalskii reference, and to extinct species-Haringtonhippus. The Y chromosome analysis using fluorescently labelled assays differentiated horses in terms of polymorphism (g731821T>C) characteristic of Equus przewalskii. All male individuals presented genotype C characteristics for Przewalski horses. The polymorphisms within the coat color genes indicated only native, wild genotypes. The Y chromosome and coat color analysis denied admixtures of the tested horses with other Equidae.
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Affiliation(s)
- Adrianna D Musiał
- Department of Animal Molecular Biology, National Research Institute of Animal Production, 32-083, Balice, Poland.
| | - Katarzyna Ropka-Molik
- Department of Animal Molecular Biology, National Research Institute of Animal Production, 32-083, Balice, Poland
| | - Monika Stefaniuk-Szmukier
- Department of Animal Molecular Biology, National Research Institute of Animal Production, 32-083, Balice, Poland
| | - Grzegorz Myćka
- Department of Animal Molecular Biology, National Research Institute of Animal Production, 32-083, Balice, Poland
| | - Agnieszka Bieniek
- Department of Animal Molecular Biology, National Research Institute of Animal Production, 32-083, Balice, Poland
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17
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Zhong X, Xu M, Li T, Sun R. Development of EST-SSRs based on the transcriptome of Castanopsis carlesii and cross-species transferability in other Castanopsis species. PLoS One 2023; 18:e0288999. [PMID: 37471436 PMCID: PMC10358944 DOI: 10.1371/journal.pone.0288999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023] Open
Abstract
Castanopsis carlesii (Hemsl.) Hay. is a widely distributed and dominant tree species native to subtropical China with significant ecological and economic value. Due to serious human-related disturbance, its wild resources have been increasingly reduced, and whether may result in the loss of genetic diversity. However, no population genetics studies of natural C. carlesii have been reported to date. Microsatellite markers have been a useful tool in population genetics. Therefore, we developed EST-SSR markers based on the transcriptome sequencing of C. carlesii leaves. A total of 149,380,224 clean reads were obtained, and 63,012 nonredundant unigenes with a mean length of 1,034 bp were assembled and annotated based on sequence similarity searches in the Nr, Nt, KO, SwissProt, PFAM, KOG, and GO databases. The results showed that only 5,559 (8.82%) unigenes were annotated in all seven databases, but 46,338 (73.53%) could be annotated in at least one database. A total of 31,459 potential EST-SSRs were identified in 18,690 unigenes, with an average frequency of one SSR approximately 2 kb. Among the 100 EST-SSR primer pairs designed, 49 primer pairs successfully produced the expected product by amplification, with a success rate of 49%, but only 20 primer pairs showed abundant polymorphisms. Polymorphisms were verified using 25 samples from C. carlesii in Qimen, Anhui. A total of 119 alleles were detected, with a mean number of alleles (Na) of 5.95 per locus and a mean polymorphism information content (PIC) of 0.6125. All the 20 newly developed EST-SSR markers were verified in other Castanopsis species (C. sclerophylla, C. lamontii, C. fargesii, C. eyrei and C. jucunda). Sixteen primer pairs showed successful amplification in all five Castanopsis species (80%), and the transferability ratios ranged from 90% to 100%. These developed EST-SSR markers can be applied to population genetic and germplasm evaluations of C. carlesii and related species.
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Affiliation(s)
- Xiaoru Zhong
- Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - Mengyang Xu
- Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - Ting Li
- Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang, China
| | - Rongxi Sun
- Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang, China
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Kammar SS, Bhat AR, Hegde S, Rajulu C, Mohan TC. Assessment of homozygosity in transgenic plants using selectable markers. STAR Protoc 2023; 4:102031. [PMID: 36853737 PMCID: PMC9922950 DOI: 10.1016/j.xpro.2022.102031] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/05/2022] [Accepted: 12/27/2022] [Indexed: 01/30/2023] Open
Abstract
Production of homozygous transgenic plants is a prerequisite for the phenotypic analysis and/or for the commercial release of transgenic plants for cultivation. Here we present a simple protocol for the selection of homozygous transgenics using antibiotics as a selectable marker. The protocol has been used to select homozygous rice transgenic plants using hygromycin antibiotic. However, the described protocol can be used for selction of homozygous in any transgenic plants using a appropriate selectable marker. For complete details on the use and execution of this protocol, please refer to Passricha et al. (2016).1.
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Affiliation(s)
- Supriya S Kammar
- Department of Biotechnology & Bioinformatics, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Ajay R Bhat
- Department of Biotechnology & Bioinformatics, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Subrahmanya Hegde
- Department of Biotechnology & Bioinformatics, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Charukesi Rajulu
- Department of Biotechnology & Bioinformatics, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India.
| | - Thotegowdanapalya C Mohan
- Department of Biotechnology & Bioinformatics, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India.
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19
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Grzybowski MW, Mural RV, Xu G, Turkus J, Yang J, Schnable JC. A common resequencing-based genetic marker data set for global maize diversity. Plant J 2023; 113:1109-1121. [PMID: 36705476 DOI: 10.1111/tpj.16123] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Maize (Zea mays ssp. mays) populations exhibit vast ranges of genetic and phenotypic diversity. As sequencing costs have declined, an increasing number of projects have sought to measure genetic differences between and within maize populations using whole-genome resequencing strategies, identifying millions of segregating single-nucleotide polymorphisms (SNPs) and insertions/deletions (InDels). Unlike older genotyping strategies like microarrays and genotyping by sequencing, resequencing should, in principle, frequently identify and score common genetic variants. However, in practice, different projects frequently employ different analytical pipelines, often employ different reference genome assemblies and consistently filter for minor allele frequency within the study population. This constrains the potential to reuse and remix data on genetic diversity generated from different projects to address new biological questions in new ways. Here, we employ resequencing data from 1276 previously published maize samples and 239 newly resequenced maize samples to generate a single unified marker set of approximately 366 million segregating variants and approximately 46 million high-confidence variants scored across crop wild relatives, landraces as well as tropical and temperate lines from different breeding eras. We demonstrate that the new variant set provides increased power to identify known causal flowering-time genes using previously published trait data sets, as well as the potential to track changes in the frequency of functionally distinct alleles across the global distribution of modern maize.
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Affiliation(s)
- Marcin W Grzybowski
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Plant Molecular Ecophysiology, Institute of Plant Experimental Biology and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - Ravi V Mural
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Gen Xu
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Jonathan Turkus
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Jinliang Yang
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - James C Schnable
- Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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Guimarães-Marques GM, de Jesus Bentes A, Formiga KM, da Silva Batista J. Microsatellite DNA markers for the commercially important fish Hypophthalmus donascimientoi (Pisces: Siluriformes: Pimelodidae) in the Amazon basin: isolation, characterization and amplification in congeneric species. Mol Biol Rep 2023; 50:3957-3962. [PMID: 36823336 DOI: 10.1007/s11033-023-08284-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/17/2023] [Indexed: 02/25/2023]
Abstract
BACKGROUND The genus Hypophthalmus comprises six species (H. edentatus, H. marginatus, H. fimbriatus, and H. oremaculatus), and the recently described: H. donascimientoi and H. celiae. The popular name for Hypophthalmus spp. in Brazil is mapará, this name refers to the six species. This group of fish has commercial importance for the states of Amazonas and Pará and, for this reason, requires studies to identify fish stocks. One approach is to use molecular markers, which have been very useful in studies with identification and population analysis of fish. Microsatellite molecular markers (SSRs) are one of the most informative markers for this purpose. There is little populations study of Hypophthalmus using SSRs, and there are less than six loci for the species Hypophthalmus marginatus available in the literature. With the construction of a genomic library of H. donascimientoi, we aimed to isolate and characterize SSRS markers and evaluate the extent of interspecific amplification. METHODS AND RESULTS A genomic library was constructed with regions enriched of microsatellite for Hypophthalmus donascimientoi. A total of 126 contigs with 42 SSRs were used to design flanking primers for 39 microsatellites. Fifteen loci were characterized in three locations of the Solimões/Amazonas Rivers. The number of alleles ranged from one to 17 with a total of 126 alleles. The mean observed heterozygosity (HO) and expected heterozygosity (HE) were 0.721-0.692, respectively (S.d. HO 0.061 and HE 0.060). Two loci showed significant deviation in the HWE. The PIC ranged from 0.375 to 0.908. Such identified, 12 highly informative loci, and two moderately informative loci. Among the fifteen loci characterized, seven were successfully amplified in four other species of the genus. CONCLUSIONS The microsatellite showed promise for estimating the genetic variability of H. donascimientoi and can be used as an efficient tool in population analyses of this species and in congeneric species analyzed.
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Affiliation(s)
- Giselle Moura Guimarães-Marques
- Programa de Pós-Graduação em Genética, Conservação e Biologia Evolutiva (PPG-GCBEv/INPA), Laboratório Temático de Biologia Molecular (LTBM), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, AM, Brazil
| | - Adriano de Jesus Bentes
- Laboratório Temático de Biologia Molecular (LTBM), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, AM, Brazil
| | - Kyara Martins Formiga
- Coordenação de Biodiversidade (COBIO), Programa de Pós-Graduação em Genética Conservação e Biologia Evolutiva (PPG-GCBEv), Laboratório Temático de Biologia Molecular (LTBM), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, AM, Brazil
| | - Jacqueline da Silva Batista
- Coordenação de Biodiversidade (COBIO), Laboratório Temático de Biologia Molecular (LTBM), Programa de Pós-Graduação em Genética, Conservação e Biologia Evolutiva (PPG-GCBEv), Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo, 2936, CEP 69067-375, Manaus, AM, Brazil.
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21
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Han G, Yan H, Gu T, Cao L, Zhou Y, Liu W, Liu D, An D. Identification of a Wheat Powdery Mildew Dominant Resistance Gene in the Pm5 Locus for High-Throughput Marker-Assisted Selection. Plant Dis 2023; 107:450-456. [PMID: 35815965 DOI: 10.1094/pdis-07-22-1545-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), poses a severe threat to wheat yield and quality worldwide. Rapid identification and the accurate transference of effective resistance genes are important to the development of resistant cultivars and the sustainable control of this disease. In the present study, the wheat line AL11 exhibited high levels of resistance to powdery mildew at both the seedling and adult plant stages. Genetic analysis of the AL11 × 'Shixin 733' mapping population revealed that its resistance was controlled by a single dominant gene, tentatively designated PmAL11. Using bulked segregant RNA-Seq and molecular marker analysis, PmAL11 was mapped to the Pm5 locus on chromosome 7B where it cosegregated with the functional marker Pm5e-KASP. Sequence alignment analysis revealed that the Pm5e-homologous sequence in AL11 was identical to the reported recessive gene Pm5e in wheat landrace 'Fuzhuang 30'. It appears that PmAL11 was most probably Pm5e, but it was mediated by a dominant inheritance pattern, so it should provide a valuable resistance resource for both genetic study and wheat breeding. To efficiently use and trace PmAL11 in breeding, a new kompetitive allele-specific PCR marker AL11-K2488 that cosegregated with this gene was developed and confirmed to be applicable in the different wheat backgrounds, thus promoting its use in the marker-assisted selection of PmAL11.
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Affiliation(s)
- Guohao Han
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei 050022, China
| | - Hanwen Yan
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei 050022, China
| | - Tiantian Gu
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei 050022, China
| | - Lijun Cao
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei 050022, China
| | - Yilin Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wei Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Dongcheng Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, Hebei 071000, China
| | - Diaoguo An
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei 050022, China
- Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
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22
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Chen M, Nie G, Li X, Yang L, Cai Y, Zhang Y. Development of EST-SSR markers based on transcriptome sequencing for germplasm evaluation of 65 lilies (Lilium). Mol Biol Rep 2023; 50:3259-3269. [PMID: 36709470 DOI: 10.1007/s11033-022-08083-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 11/01/2022] [Indexed: 01/30/2023]
Abstract
BACKGROUND Lilium genus consists of approximately 100 species and numerous varieties, many of which are interspecific hybrids, which result in a complicated genetic background. The germplasm identification, genetic relationship analysis, and breeding of Lilium rely on exploiting genetic information among different accessions. Hence, an attempt was made to develop new EST-SSR markers and study the molecular divergence among 65 genotypes of Lilium. METHODS AND RESULTS A total of 5509 EST-SSRs were identified from the high-throughput sequencing database of L. 'Elodie'. After primer screening, six primer pairs with the most abundant polymorphic bands were selected from 100 primer pairs. Combined with the other 10 reported SSR primers, a total of 16 pairs detected genetic information with an average PIC value of 0.7583. The number of alleles per locus varied from four to 33, the expected heterozygosity varied from 0.3289 to 0.9231, and the observed heterozygosity varied from 0.2857 to 0.5122. Based on the phylogenic results, 22 Asiatic hybrids (A), seven Longiflorum × Asiatic hybrids (LA), as well as two native species were grouped. Eighteen Oriental hybrids (O) and nine Oriental × Trumpet (OT) hybrids, four native species, one LO, and one LL (L. pardalinum × L. longiflorum) variety were grouped. CONCLUSIONS Two major clusters were reported and a large number of genotypes were grouped based on UPGMA and STRUCTURE analysis methods. The PIC value as well as other parameters revealed that the EST-SSR markers selected were informative. In addition, the clustering pattern displayed better agreement with the cultivar's pedigree. The newly identified SSRs in this study provides molecular markers for germplasm characterization and genetic diversity for Lilium.
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Affiliation(s)
- Minmin Chen
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Gongping Nie
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Xin Li
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Liuyan Yang
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Youming Cai
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Yongchun Zhang
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
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Rai MK. Start codon targeted (SCoT) polymorphism marker in plant genome analysis: current status and prospects. Planta 2023; 257:34. [PMID: 36622439 DOI: 10.1007/s00425-023-04067-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
The present review illustrates a comprehensive overview of the start codon targeted (SCoT) polymorphism marker and their utilization in various applications related to genetic and genomic studies. Start codon targeted (SCoT) polymorphism marker, a targeted fingerprinting marker technique, has gained considerable importance in plant genetics, genomics, and molecular breeding due to its many desirable features. SCoT marker targets the region flanking the start codon, a highly conserved region in plant genes. Therefore, it can distinguish genetic variations in a specific gene that link to a specific trait. It is a simple, novel, cost-effective, highly polymorphic, and reproducible molecular marker for which there is no need for prior sequence information. In the recent past, SCoT markers have been employed in many commercially important and underutilized plant species for a variety of applications, including genetic diversity analysis, interspecific/generic genetic relationships, cultivar/hybrid/species identification, sex determination, construction of linkage map, association mapping/analysis, differential gene expression, and genetic fidelity analysis of tissue culture-raised plants. The main aim of this review is to provide up-to-date information on SCoT markers and their application in many commercially important and underutilized plant species, mainly progress made in the last 8-10 years.
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Affiliation(s)
- Manoj K Rai
- Department of Environmental Science, Indira Gandhi National Tribal University, Amarkantak, MP, 484887, India.
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Kibitov AA, Merkulova TV, Mazo GE. [Polymorphisms of OPRM1, OPRK1, DCC genes and non-suicidal self-injuries in adults]. Zh Nevrol Psikhiatr Im S S Korsakova 2023; 123:116-123. [PMID: 38147391 DOI: 10.17116/jnevro2023123121116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
OBJECTIVE To investigate the associations of OPRM1 gene rs179971, OPRK1 gene rs6473797 and DCC gene rs8084280 polymorphisms with non-suicidal self-injury (NSSI) characteristics and motivations in adults. MATERIAL AND METHODS A pilot sample included 28 adult patients with history of NSSI (89.3% (n=25) women, median age (Q1-Q3) - 23 (21.25-25) years). Most patients (78.6%, n=20) had a diagnosis of bipolar disorder. NSSI characteristics and motivations were assessed using the Inventory of Statements about Self-Injury (ISAS) scale. The Childhood Trauma Questionnaire (CTQ) was used to control for childhood trauma - one of the most important environmental factors associated with NSSI. The Baratt Impulsivity Scale (BIS) and the Buss-Perry Aggression Questionnaire (BPAQ) were also used to assess impulsivity and aggression, respectively. RT-PCR was used for genotyping, a genetic effect was assessed using the dominant model. Mann-Whitney U-test, Pearson χ2-test and multiple linear regression were used for statistical analysis. RESULTS Carriers of the minor G allele of OPRM1 gene rs1779971 had a higher level of aggression assessed by BPAQ (p=0.02). The minor C allele of OPRK1 gene rs6473797 was associated with an increase of the subjective importance of «Affect regulation» (B=2.23; CI 95% [0.39-4.06]; p=0.022) and «Anti-dissociation» (B=3.31; CI 95% [0.18-6.44]; p=0.039) motivations, whereas the minor T allele of DCC gene rs8084280, on the contrary, was associated with a decrease of the importance of «Affect regulation» (B=-1.74; CI 95% [-3.30 - -0.18]; p=0.032). Moreover, this effect was found after adjusting for diagnosis, sex, age, and the presence of childhood trauma. CONCLUSIONS To our knowledge, this is the first study on the association of genetic markers with NSSI motivations. The results of this pilot study demonstrate that OPRK1 and DCC gene polymorphisms can determine differences in motivations for self-harm, however, these results require confirmation in large samples.
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Affiliation(s)
- A A Kibitov
- Mental Health Research Center, Moscow, Russia
- Bekhterev National Medical Research Center for Psychiatry and Neurology, St-Petersburg, Russia
| | - T V Merkulova
- Serbsky National Medical Research Centre on Psychiatry and Addictions, Moscow, Russia
| | - G E Mazo
- Bekhterev National Medical Research Center for Psychiatry and Neurology, St-Petersburg, Russia
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25
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El-Esawi MA, Elashtokhy MMA, Shamseldin SAM, El-Ballat EM, Zayed EM, Heikal YM. Analysis of Genetic Diversity and Phylogenetic Relationships of Wheat ( Triticum aestivum L.) Genotypes Using Phenological, Molecular and DNA Barcoding Markers. Genes (Basel) 2022; 14:34. [PMID: 36672774 PMCID: PMC9858705 DOI: 10.3390/genes14010034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/13/2022] [Accepted: 12/16/2022] [Indexed: 12/25/2022] Open
Abstract
Wheat (Triticum aestivum L.) is a key food crop, accounting for approximately 765 million tons produced worldwide. The present study evaluated 16 wheat genotypes using 19 morphological and phenological traits, 16 molecular markers (Inter Simple Sequence Repeats and Start Codon Targeted; ISSR and SCoT) and rbcL and matK plastid gene barcoding. The 16 wheat genotypes showed significant genetic variation using the markers assayed. Cell plot of phenological parameters revealed significant differences among the 16-day-old seedlings of wheat genotypes at Z1.1 growth stage. Collectively, W2 genotype had the lowest shoot length (SL), length of first internodes (LFI) and leaf area (LA) values, while W8 genotype had the highest diameter of first internode (DFI) and LA values. Furthermore, W7 genotype had the maximum plant biomass (PB) and leaf width (LW) values. Geometric models grouped wheat kernels into "rounded" and "nearly elongated". Estimates of heritability (H2) for these morphological characters ranged from 4.93 to 100%. The highest H2 values were recorded for root number (RN) (100%) followed by SL (88.72%), LFI (88.30%), LA (87.76%) and Feret diameter (86.68%), while the lowest H2 value was recorded for DFI (4.93%). Furthermore, highly significant genotypic and phenotypic correlations were also observed among those traits. Reproducible fingerprinting profiles and high levels of polymorphism (PPB%) of SCoT (95.46%) and ISSR (82.41%) were recorded, indicating that they are effective tools for detecting genetic variation levels among wheat genotypes. The informativeness of markers were measured through estimation of polymorphic information content (PIC), resolving power (RP) and marker index (MI). The RP and PPB% of SCoT were significantly higher compared to those of ISSR. Comparatively, the two molecular markers were effective for studying genetic diversity among wheat genotypes, but SCoT markers were more informative. Moreover, based on the two chloroplast DNA regions (rbcL and matK), MatK was found to be more reliable for differentiating among T. aestivum genotypes. Taken together, using all the studied attributes, a clear taxonomic relationship can be used to identify T. aestivum species and improve their pragmatic production and development.
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Affiliation(s)
| | | | - Sahar A. M. Shamseldin
- Botany Department, Women ’s College for Arts, Science and Education, Ain Shams University, Cairo 11566, Egypt
| | - Enas M. El-Ballat
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Ehab M. Zayed
- Cell Study Research Department, Field Crops Research Institute Agricultural Research Center, Giza 12619, Egypt
| | - Yasmin M. Heikal
- Botany Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
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Acharya GC, Mohanty S, Dasgupta M, Sahu S, Singh S, Koundinya AVV, Kumari M, Naresh P, Sahoo MR. Molecular Phylogeny, DNA Barcoding, and ITS2 Secondary Structure Predictions in the Medicinally Important Eryngium Genotypes of East Coast Region of India. Genes (Basel) 2022; 13:genes13091678. [PMID: 36140845 PMCID: PMC9498504 DOI: 10.3390/genes13091678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/15/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Commercial interest in the culinary herb, Eryngium foetidum L., has increased worldwide due to its typical pungency, similar to coriander or cilantro, with immense pharmaceutical components. The molecular delimitation and taxonomic classification of this lesser-known medicinal plant are restricted to conventional phenotyping and DNA-based marker evaluation, which hinders accurate identification, genetic conservation, and safe utilization. This study focused on species discrimination using DNA sequencing with chloroplast–plastid genes (matK, Kim matK, and rbcL) and the nuclear ITS2 gene in two Eryngium genotypes collected from the east coast region of India. The results revealed that matK discriminated between two genotypes, however, Kim matK, rbcL, and ITS2 identified these genotypes as E. foetidum. The ribosomal nuclear ITS2 region exhibited significant inter- and intra-specific divergence, depicted in the DNA barcodes and the secondary structures derived based on the minimum free energy. Although the efficiency of matK genes is better in species discrimination, ITS2 demonstrated polyphyletic phylogeny, and could be used as a reliable marker for genetic divergence studies understanding the mechanisms of RNA molecules. The results of this study provide insights into the scientific basis of species identification, genetic conservation, and safe utilization of this important medicinal plant species.
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Affiliation(s)
- Gobinda Chandra Acharya
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
| | - Sansuta Mohanty
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
| | - Madhumita Dasgupta
- ICAR Research Complex for Northeastern Hill Region, Manipur Centre, Imphal 795004, Manipur, India
| | - Supriya Sahu
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
- All India Institute of Medical Sciences, Bhubaneswar 751019, Odisha, India
| | - Satyapriya Singh
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
| | - Ayyagari V. V. Koundinya
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
| | - Meenu Kumari
- ICAR Research Complex for Eastern Region, Research Centre, Ranchi 834010, Jharkhand, India
| | - Ponnam Naresh
- ICAR–Indian Institute of Horticultural Research, Bengaluru 560089, Karnataka, India
| | - Manas Ranjan Sahoo
- Central Horticultural Experiment Station, ICAR–Indian Institute of Horticultural Research, Bhubaneswar 751019, Odisha, India
- Correspondence: ; Tel.: +91-674-2471867; Fax: +91-674-2471712
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Chen W, Yang H, Zhong S, Zhu J, Zhang Q, Li Z, Ren T, Tan F, Shen J, Li Q, Luo P. Expression Profiles of Microsatellites in Fruit Tissues of Akebia trifoliata and Development of Efficient EST-SSR Markers. Genes (Basel) 2022; 13:genes13081451. [PMID: 36011362 PMCID: PMC9408125 DOI: 10.3390/genes13081451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 12/03/2022] Open
Abstract
Akebia trifoliata, a member of the family Lardizabalaceae, has high exploitation potential for multiple economic purposes, so genetic improvements to meet requirements for commercial demand are needed. However, this progress is largely impeded by a lack of effective selection markers. In this study, we obtained 271.49 Gb of clean transcriptomic data from 12 samples (three tissues at four developmental stages) of A. trifoliata fruit. We identified 175,604, 194,370, and 207,906 SSRs from the de novo assembled 416,363, 463,756, and 491,680 unigene sequences obtained from the flesh, seed, and rind tissues, respectively. The profile and proportion of SSR motifs expressed in each fruit tissue and developmental stage were remarkably similar, but many trinucleotide repeats had differential expression levels among different tissues or at different developmental stages. In addition, we successfully designed 16,869 functional EST-SSR primers according to the annotated unigenes. Finally, 94 and 72 primer pairs out of 100 randomly selected primer pairs produced clear bands and polymorphic bands, respectively. These results were also used to elucidate the expression profiles of different tissues at various stages. Additionally, we provided a set of effective, polymorphic, and reliable EST-SSR markers sufficient for accelerating the discovery of metabolic and pathway-specific functional genes for genetic improvement and increased commercial productivity.
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Affiliation(s)
- Wei Chen
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Huai Yang
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Shengfu Zhong
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun Zhu
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Qiuyi Zhang
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhi Li
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Tianheng Ren
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Feiquan Tan
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
| | - Jinliang Shen
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, China
| | - Qing Li
- Department of Biology and Chemistry, Chongqing Industry and Trade Polytechnic, Chongqing 408000, China
| | - Peigao Luo
- State Key Laboratory of Plant Breeding and Genetics, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence:
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Sakina A, Sofi NR, Shikari AB, Mir RR, Bhat MA, Waza SA, Jan S, Rafiqee S, Khan GH, Wani SH. DNA marker based diversity across rice genotypes and advanced breeding lines bred for temperate regions of North-West India. Mol Biol Rep 2022; 49:7145-7155. [PMID: 35716282 DOI: 10.1007/s11033-022-07609-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 05/17/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Characterization and evaluation of plant genetic resources play an important role for their utilization in the crop improvement programmes. METHODS AND RESULTS This study involves the agro-morphological and cooking quality besides, molecular characterization of 51 genotypes/advance breeding lines of rice from Kashmir Himalayas. Significant variability was observed for all agro-morphological and cooking quality traits among all the studied genotypes. Cluster analysis using UPGMA method divided the genotypes into two major clusters having 15 and 36 genotypes. Thirty eight genotypes screened using 24 SSR markers detected 48 alleles with 2.0 alleles for each locus with average polymorphism information content (PIC) of 0.37. High polymorphism information content (PIC) values was observed for the primers RM263 (0.67), RM159 (0.59) and RM333 (0.50). Furthermore, out of 38 SSR markers screened on 192 temperate rice germpalsm lines, R4M17 accurately differentiated indica and temperate japonica genotypes amplifying 220 bp and 169 bp, respectively. Accordingly, 15 genotypes were reported as indica and 28 temperate japonica in addition to 149 genotypes as intermediate types. CONCLUSION The information on marker-based diversity and performance based on cooking quality and agronomic traits helped to select the most divergent lines for crossing. Also the analysis was useful to classify the temperate germplasm into indica and temperate japonica. The classification could be helpful to devise a strategy for inter-sub species hybridization to breed for improved rice varieties.
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Affiliation(s)
- Aafreen Sakina
- Division of Plant Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, (SKUAST-K), Shalimar, J&K, 190025, India
| | - Najeebul Rehman Sofi
- Mountain Research Centre for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, J&K, 192101, India.
| | - Asif B Shikari
- Mountain Research Centre for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, J&K, 192101, India
| | - Reyaz R Mir
- Division of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura, J&K, 193201, India
| | - M Ashraf Bhat
- Division of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura, J&K, 193201, India
| | - Showkat A Waza
- Mountain Crop Research Station, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Sagam, J&K, 192202, India
| | - Sofora Jan
- Division of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura, J&K, 193201, India
| | - Sumira Rafiqee
- Division of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura, J&K, 193201, India
| | - Gazala H Khan
- Mountain Research Centre for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, J&K, 192101, India
| | - Shabir H Wani
- Mountain Research Centre for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, J&K, 192101, India
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Guo X, Pei J, Wu X, Bao P, Ding X, Xiong L, Chu M, Lan X, Yan P. Detection of InDel and CNV of SPAG17 gene and their associations with bovine growth traits. Anim Biotechnol 2022; 33:440-447. [PMID: 32820682 DOI: 10.1080/10495398.2020.1803342] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Sperm-associated antigen 17 (SPAG17) gene encodes a central pair protein, which is involved in flagellar motility, male fertility and skeletal growth in ruminants. The insertions/deletions (indels) and copy number variations (CNVs) influence phenotypic traits by altering the sequences and copy numbers of functional genes, respectively. This study identified a novel 8-bp indel of SPAG17 gene in 1520 individuals from eight different cattle breeds, as well as a novel CNV region in 355 animals. The correlation analysis of indel showed that the individuals of ID genotype had superior performance traits such as body height (p = 0.038) and body slanting length (p = 0.041) as compared to other genotypes in Xianan cattle. For the CNV, different copy numbers were closely related to the body height in Qinchuan (p = 0.045) and body weight in Xianan (p = 0.036) breeds. Importantly, significant difference was observed between the 8-bp indel and the copy number loss in Xianan breed (p < 0.01). These findings indicated that the variations within the bovine SPAG17 gene can be considered as an effective DNA molecular marker for beef cattle breeding.
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Affiliation(s)
- Xian Guo
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Jie Pei
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Xiaoyun Wu
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Pengjia Bao
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Xuezhi Ding
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Lin Xiong
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Min Chu
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
| | - Xianyong Lan
- Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Ping Yan
- Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
- Key Laboratory of Yak Breeding Engineering of Gansu Province, Lanzhou, Gansu, China
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Yeken MZ, Emiralioğlu O, Çiftçi V, Bayraktar H, Palacioğlu G, Özer G. Analysis of genetic diversity among common bean germplasm by start codon targeted (SCoT) markers. Mol Biol Rep 2022; 49:3839-3847. [PMID: 35301653 DOI: 10.1007/s11033-022-07229-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/01/2022] [Accepted: 02/03/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Breeding strategies to improve modern varieties having high yield, high nutritional value and resistance to biotic and abiotic stress, etc. is very important to make up for the food deficiencies. Molecular studies as a tool in breeding programs for the characterization of germplasm have been performed with several DNA marker systems. MATERIALS AND METHODS In the present study, the genetic diversity of 53 common bean landraces and 22 registered varieties from Turkey, and 12 genotypes from USDA was investigated using start codon targeted (SCoT) markers for the first time worldwide. The 8 primers having stronger and more polymorphic bands were used for PCR amplification. RESULTS The mean polymorphic band of all primers was found as 13.13. The average of polymorphic information content and resolving power values was 0.34 and 7.55, respectively. Analysis of molecular variance (AMOVA) explored the existence of higher genetic diversity within populations accounting for 92% compared to among populations variations. According to cluster analysis (UPGMA) and genetic structure based on SCoT data, accessions were separated into Andean (PopA) and Mesoamerican PopB) gene pools. Moreover, accessions were mostly placed in the same groups/subgroups according to their geographical origin. CONCLUSIONS A high level of genetic diversity was observed between the investigated accessions in this work. The findings will help to plant breeders to characterize common bean accessions.
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Affiliation(s)
- Mehmet Zahit Yeken
- Department of Field Crops, Faculty of Agriculture, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Orkun Emiralioğlu
- Department of Field Crops, Faculty of Agriculture, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Vahdettin Çiftçi
- Department of Field Crops, Faculty of Agriculture, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Harun Bayraktar
- Department of Plant Protection, Faculty of Agriculture, Ankara University, Ankara, Turkey
| | - Gülsüm Palacioğlu
- Department of Plant Protection, Faculty of Agriculture, Ankara University, Ankara, Turkey
| | - Göksel Özer
- Department of Plant Protection, Faculty of Agriculture, Bolu Abant Izzet Baysal University, Bolu, Turkey.
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Radanović A, Sprycha Y, Jocković M, Sundt M, Miladinović D, Jansen C, Horn R. KASP Markers Specific for the Fertility Restorer Locus Rf1 and Application for Genetic Purity Testing in Sunflowers (Helianthus annuus L.). Genes (Basel) 2022; 13:genes13030465. [PMID: 35328019 PMCID: PMC8951052 DOI: 10.3390/genes13030465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 01/27/2023] Open
Abstract
Single nucleotide polymorphisms (SNPs) were significantly associated with fertility restoration of cytoplasmic male sterility (CMS) PET1 by the restorer gene Rf1. For these SNPs, four Kompetitive allele-specific PCR (KASP) markers were successfully designed. The KASP markers cover the fertility restorer locus Rf1, spanning about 3 Mb, and clearly differentiate restorer and maintainer lines. For genetic purity testing in sunflower hybrid production, the efficiency for detecting contaminations in samples was simulated using mixtures of hypocotyls or leaves. Contaminations of restorer lines with 1%, 3%, 5%, 10%, and 50% of maintainer lines were screened with all four KASP markers. Contaminations of 10% could be clearly detected in pools of 100 plants. Contaminations below this level require detection on a single plant level. For single plant detections, ethyl methanesulfonate-treated sunflower F1 hybrids, which had been phenotypically evaluated for male sterility (potential mutation in the Rf1 gene) were screened. Nine identified either partially male-sterile or male-sterile plants were analyzed with all four KASP markers and only one proved to be a hybrid with a mutation, seven were male-sterile contaminants in the F1 seeds used (1.6%) and one a recombinant plant. The four KASP markers should be valuable tools for marker-assisted selection (MAS) in sunflower breeding regarding the restorer locus Rf1.
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Affiliation(s)
- Aleksandra Radanović
- Institute of Field and Vegetable Crops, Maksima Gorkog 30, 21000 Novi Sad, Serbia; (A.R.); (M.J.); (D.M.)
| | - Yves Sprycha
- Department of Plant Genetics, Institute of Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, D-18059 Rostock, Germany; (Y.S.); (M.S.)
| | - Milan Jocković
- Institute of Field and Vegetable Crops, Maksima Gorkog 30, 21000 Novi Sad, Serbia; (A.R.); (M.J.); (D.M.)
| | - Monja Sundt
- Department of Plant Genetics, Institute of Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, D-18059 Rostock, Germany; (Y.S.); (M.S.)
| | - Dragana Miladinović
- Institute of Field and Vegetable Crops, Maksima Gorkog 30, 21000 Novi Sad, Serbia; (A.R.); (M.J.); (D.M.)
| | - Constantin Jansen
- Strube Research GmbH & Co. KG, Hauptstr. 1, D-38387 Söllingen, Germany;
| | - Renate Horn
- Department of Plant Genetics, Institute of Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, D-18059 Rostock, Germany; (Y.S.); (M.S.)
- Correspondence:
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Kumar SPJ, Susmita C, Sripathy KV, Agarwal DK, Pal G, Singh AN, Kumar S, Rai AK, Simal-Gandara J. Molecular characterization and genetic diversity studies of Indian soybean (Glycine max (L.) Merr.) cultivars using SSR markers. Mol Biol Rep 2022; 49:2129-2140. [PMID: 34894334 PMCID: PMC8863763 DOI: 10.1007/s11033-021-07030-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 11/26/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND The genetic base of soybean cultivars in India has been reported to be extremely narrow, due to repeated use of few selected and elite genotypes as parents in the breeding programmes. This ultimately led to the reduction of genetic variability among existing soybean cultivars and stagnation in crop yield. Thus in order to enhance production and productivity of soybean, broadening of genetic base and exploring untapped valuable genetic diversity has become quite indispensable. This could be successfully accomplished through molecular characterization of soybean genotypes using various DNA based markers. Hence, an attempt was made to study the molecular divergence and relatedness among 29 genotypes of soybean using SSR markers. METHODS AND RESULTS A total of 35 SSR primers were deployed to study the genetic divergence among 29 genotypes of soybean. Among them, 14 primer pairs were found to be polymorphic producing a total of 34 polymorphic alleles; and the allele number for each locus ranged from two to four with an average of 2.43 alleles per primer pair. Polymorphic information content (PIC) values of SSRs ranged from 0.064 to 0.689 with an average of 0.331. The dendrogram constructed based on dissimilarity indices clustered the 29 genotypes into two major groups and four sub-groups. Similarly, principal coordinate analysis grouped the genotypes into four major groups that exactly corresponded to the clustering of genotypes among four sub-groups of dendrogram. Besides, the study has reported eight unique and two rare alleles that could be potentially utilized for genetic purity analysis and cultivar identification in soybean. CONCLUSION In the present investigation, two major clusters were reported and grouping of large number of genotypes in each cluster indicated high degree of genetic resemblance and narrow genetic base among the genotypes used in the study. With respect to the primers used in the study, the values of PIC and other related parameters revealed that the selected SSR markers are moderately informative and could be potentially utilized for diversity analysis of soybean. The clustering pattern of dendrogram constructed based on SSR loci profile displayed good agreement with the cultivar's pedigree information. High level of genetic similarity observed among the genotypes from the present study necessitates the inclusion of wild relatives, land races and traditional cultivars in future soybean breeding programmes to widen the crop gene pool. Thus, hybridization among diverse gene pool could result in more heterotic combinations ultimately enhancing genetic gain, crop yield and resistance to various stress factors.
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Affiliation(s)
- S P Jeevan Kumar
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India.
- ICAR-Directorate of Floricultural Research, Pune, Maharashtra, 411 036, India.
| | - C Susmita
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - K V Sripathy
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Dinesh K Agarwal
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Govind Pal
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Arvind Nath Singh
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Sanjay Kumar
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Abhishek Kumar Rai
- ICAR-Indian Institute of Seed Science, Mau, Kushmaur, Uttar Pradesh, 275103, India
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, Universidade de Vigo, 32004, Ourense, Spain.
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Ahmed HGMD, Naeem M, Zeng Y, Rashid MAR, Ullah A, Saeed A, Qadeer A. Genome-wide association mapping for high temperature tolerance in wheat through 90k SNP array using physiological and yield traits. PLoS One 2022; 17:e0262569. [PMID: 35030233 PMCID: PMC8759701 DOI: 10.1371/journal.pone.0262569] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 12/29/2021] [Indexed: 01/10/2023] Open
Abstract
Dissecting the genetic basis of physiological and yield traits against tolerance to heat stress is an essential in wheat breeding programs to boost up the wheat yield for sustainable food security. Herein, a genome-wide association study (GWAS) was performed to reveal the genetic basis of heat tolerance using high-density Illumina 90K Infinium SNPs array through physiological and yield indices. These indices were phenotyped on a diverse panel of foreign and domestic genotypes of Pakistan, grown in normal and heat-stressed environments. Based on STRUCTURE analysis, the studied germplasm clustered into four sub-population. Highly significant variations with a range of moderate (58.3%) to high (77.8%) heritability was observed under both conditions. Strong positive correlation existed among physiological and yield related attributes. A total of 320 significant (-log10 P ≥ 3) marker-trait associations (MTAs) were identified for the observed characters. Out of them 169 and 151 MTAs were recorded in normal and heat stress environments, respectively. Among the MTA loci, three (RAC875_c103017_302, Tdurum_contig42087_1199, and Tdurum_contig46877_488 on chromosomes 4B, 6B, and 7B respectively), two (BobWhite_c836_422 and BS00010616_51) and three (Kukri_rep_c87210_361, D_GA8KES401BNLTU_253 and Tdurum_contig1015_131) on chromosomes 5A, 1B, and 3D at the positions 243.59cM, 77.82cM and 292.51cM) showed pleiotropic effects in studied traits under normal, heat-stressed and both conditions respectively. The present study not only authenticated the numerous previously reported MTAs for examined attributes but also revealed novel MTAs under heat-stressed conditions. Identified SNPs will be beneficial in determining the novel genes in wheat to develop the heat tolerant and best yielded genotypes to fulfill the wheat requirement for the growing population.
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Affiliation(s)
- Hafiz Ghulam Muhu-Din Ahmed
- Department of Plant Breeding and Genetics, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
- * E-mail: (HGMA); (YZ)
| | - Muhammad Naeem
- Department of Plant Breeding and Genetics, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
| | - Yawen Zeng
- Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming, China
- * E-mail: (HGMA); (YZ)
| | | | - Aziz Ullah
- Department of Plant Breeding and Genetics, University of Sargodha, Sargodha, Pakistan
| | - Amjad Saeed
- Department of Forestry Range and Wildlife Management, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Abdul Qadeer
- Soil Fertility and Plant Nutrition Laboratory, Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
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Seo JH, Dhungana SK, Kang BK, Baek IY, Sung JS, Ko JY, Jung CS, Kim KS, Jun TH. Development and Validation of SNP and InDel Markers for Pod-Shattering Tolerance in Soybean. Int J Mol Sci 2022; 23:2382. [PMID: 35216500 PMCID: PMC8880809 DOI: 10.3390/ijms23042382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/18/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023] Open
Abstract
Pod-shattering causes a significant yield loss in many soybean cultivars. Shattering-tolerant cultivars provide the most effective approach to minimizing this loss. We developed molecular markers for pod-shattering and validated them in soybeans with diverse genetic backgrounds. The genes Glyma.16g141200, Glyma.16g141500, and Glyma.16g076600, identified in our previous study by quantitative trait locus (QTL) mapping and whole-genome resequencing, were selected for marker development. The whole-genome resequencing of three parental lines (one shattering-tolerant and two shattering-susceptible) identified single nucleotide polymorphism (SNP) and/or insertion/deletion (InDel) regions within or near the selected genes. Two SNPs and one InDel were converted to Kompetitive Allele-Specific PCR (KASP) and InDel markers, respectively. The accuracy of the markers was examined in the two recombinant inbred line populations used for the QTL mapping, as well as the 120 varieties and elite lines, through allelic discrimination and phenotyping by the oven-drying method. Both types of markers successfully discriminated the pod shattering-tolerant and shattering-susceptible genotypes. The prediction accuracy, which was as high as 90.9% for the RILs and was 100% for the varieties and elite lines, also supported the accuracy and usefulness of these markers. Thus, the markers can be used effectively for genetic and genomic studies and the marker-assisted selection for pod-shattering tolerance in soybean.
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Affiliation(s)
- Jeong-Hyun Seo
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Sanjeev Kumar Dhungana
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Beom-Kyu Kang
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - In-Youl Baek
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Jung-Sook Sung
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Jee-Yeon Ko
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Chan-Sik Jung
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Korea; (J.-H.S.); (S.K.D.); (B.-K.K.); (I.-Y.B.); (J.-S.S.); (J.-Y.K.); (C.-S.J.)
| | - Ki-Seung Kim
- Innovative Technology Department, FarmHannong, Ltd., Nonsan 33010, Korea;
| | - Tae-Hwan Jun
- Department of Plant Bioscience, Pusan National University, Miryang 50463, Korea
- Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
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Egawa N, Hamanaka G, Chung KK, Ishikawa H, Shindo A, Maki T, Takahashi R, Inoue H, Lo EH, Arai K. High Mobility Group A1 Regulates Transcription Levels of Oligodendrocyte Marker Genes in Cultured Oligodendrocyte Precursor Cells. Int J Mol Sci 2022; 23:ijms23042236. [PMID: 35216347 PMCID: PMC8878090 DOI: 10.3390/ijms23042236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 02/01/2023] Open
Abstract
Oligodendrocyte precursor cells (OPCs) serve as progenitor cells of terminally differentiated oligodendrocytes. Past studies have confirmed the importance of epigenetic system in OPC differentiation to oligodendrocytes. High mobility group A1 (HMGA1) is a small non-histone nuclear protein that binds DNA and modifies the chromatin conformational state. However, it is still completely unknown about the roles of HMGA1 in the process of OPC differentiation. In this study, we prepared primary OPC cultures from the neonatal rat cortex and examined whether the loss- and gain-of-function of HMGA1 would change the mRNA levels of oligodendrocyte markers, such as Cnp, Mbp, Myrf, and Plp during the process of OPC differentiation. In our system, the mRNA levels of Cnp, Mbp, Myrf, and Plp increased depending on the oligodendrocyte maturation step, but the level of Hmga1 mRNA decreased. When HMGA1 was knocked down by a siRNA approach, the mRNA levels of Cnp, Mbp, Myrf, and Plp were smaller in OPCs with Hmga1 siRNA compared to the ones in the control OPCs. On the contrary, when HMGA1 expression was increased by transfection of the Hmga1 plasmid, the mRNA levels of Cnp, Mbp, Myrf, and Plp were slightly larger compared to the ones in the control OPCs. These data may suggest that HMGA1 participates in the process of OPC differentiation by regulating the mRNA expression level of myelin-related genes.
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Affiliation(s)
- Naohiro Egawa
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
- Department of Neurology, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan;
- iPSC-Based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto 619-0237, Japan;
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8501, Japan
- Correspondence: (N.E.); (K.A.); Tel.: +1-617-724-9503 (N.E. & K.A.)
| | - Gen Hamanaka
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
| | - Kelly K. Chung
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
| | - Hidehiro Ishikawa
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
| | - Akihiro Shindo
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
| | - Takakuni Maki
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
- Department of Neurology, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan;
| | - Ryosuke Takahashi
- Department of Neurology, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan;
| | - Haruhisa Inoue
- iPSC-Based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto 619-0237, Japan;
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8501, Japan
- Medical-Risk Avoidance Based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto 606-8507, Japan
| | - Eng H. Lo
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
| | - Ken Arai
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA; (G.H.); (K.K.C.); (H.I.); (A.S.); (T.M.); (E.H.L.)
- Correspondence: (N.E.); (K.A.); Tel.: +1-617-724-9503 (N.E. & K.A.)
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Theunissen F, Flynn LL, Anderton RS, Akkari PA. Short structural variants as informative genetic markers for ALS disease risk and progression. BMC Med 2022; 20:11. [PMID: 35034660 PMCID: PMC8762977 DOI: 10.1186/s12916-021-02206-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/06/2021] [Indexed: 02/07/2023] Open
Abstract
There is considerable variability in disease progression for patients with amyotrophic lateral sclerosis (ALS) including the age of disease onset, site of disease onset, and survival time. There is growing evidence that short structural variations (SSVs) residing in frequently overlooked genomic regions can contribute to complex disease mechanisms and can explain, in part, the phenotypic variability in ALS patients. Here, we discuss SSVs recently characterized by our laboratory and how these discoveries integrate into the current literature on ALS, particularly in the context of application to future clinical trials. These markers may help to identify and differentiate patients for clinical trials that have a similar ALS disease mechanism(s), thereby reducing the impact of participant heterogeneity. As evidence accumulates for the genetic markers discovered in SQSTM1, SCAF4, and STMN2, we hope to improve the outcomes of future ALS clinical trials.
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Affiliation(s)
- Frances Theunissen
- Perron Institute for Neurological and Translational Science, First floor, RR block, QEII Medical Centre, 8 Verdun St, Nedlands, WA, 6009, Australia.
- Centre for Neuromuscular and Neurological Disorders, University of Western Australia, Nedlands, WA, Australia.
| | - Loren L Flynn
- Perron Institute for Neurological and Translational Science, First floor, RR block, QEII Medical Centre, 8 Verdun St, Nedlands, WA, 6009, Australia
- Centre for Neuromuscular and Neurological Disorders, University of Western Australia, Nedlands, WA, Australia
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA, Australia
- Black Swan Pharmaceuticals, Wake Forrest, NC, USA
| | - Ryan S Anderton
- Centre for Neuromuscular and Neurological Disorders, University of Western Australia, Nedlands, WA, Australia
- Faculty of Medicine, Nursing, Midwifery and Health Sciences, University of Notre Dame Australia, Fremantle, WA, 6160, Australia
| | - P Anthony Akkari
- Perron Institute for Neurological and Translational Science, First floor, RR block, QEII Medical Centre, 8 Verdun St, Nedlands, WA, 6009, Australia
- Centre for Neuromuscular and Neurological Disorders, University of Western Australia, Nedlands, WA, Australia
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA, Australia
- Black Swan Pharmaceuticals, Wake Forrest, NC, USA
- Division of Neurology, Duke University Medical Centre, Duke University, Durham, NC, USA
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Chern EC, Wymer L, Brenner K, Oshima K, Haugland RA. Persistence of fecal indicator bacteria and associated genetic markers from wastewater treatment plant effluents in freshwater microcosms. J Water Health 2022; 20:205-215. [PMID: 35100168 PMCID: PMC9000909 DOI: 10.2166/wh.2021.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Limited information exists on the environmental persistence of genetic markers for fecal indicator bacteria (FIB) in treated wastewaters. Here, the decay rate constants of culturable cells and genetic markers for four diverse groups of FIBs, such as enterococci, Clostridium, Escherichia coli, and Bacteroides, were investigated in freshwater microcosms seeded with disinfected and non-disinfected secondary-treated wastewaters. Decay rate constants of genetic markers and culturable cells varied significantly among the different FIB groups. Water temperatures (winter vs. fall/spring/summer) significantly affected the decay of all genetic marker and cell types; however, genetic marker decay were not found to be significantly different in disinfected (chlorination/ultraviolet) and non-disinfected wastewater-seeded microcosms or, for example, lake- and river-receiving waters. No evidence was seen that decay rate constants of FIB genetic markers from treated wastewater were substantially different from those observed in similar, previously reported microcosm studies using raw sewage. Unexpected relationships between decay rate constants of genetic markers and culturable cells of Bacteroides were observed. Results suggest that decay rate constants of FIB genetic markers determined from other studies may be applicable to treated wastewaters. Results of this study should be informative for ongoing efforts to determine the persistence of FIB genetic markers relative to surviving pathogens after wastewater treatment.
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Affiliation(s)
- Eunice C Chern
- U.S. Environmental Protection Agency, Region 10 Laboratory, 7411 Beach Dr. E., Port Orchard, WA 98366, USA E-mail:
| | - Larry Wymer
- U.S. Environmental Protection Agency, Office of Research and Development, U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, OH 45268, USA
| | - Kristen Brenner
- U.S. Environmental Protection Agency, Office of Research and Development, U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, OH 45268, USA
| | - Kevin Oshima
- U.S. Environmental Protection Agency, Office of Research and Development, U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, OH 45268, USA
| | - Richard A Haugland
- U.S. Environmental Protection Agency, Office of Research and Development, U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, OH 45268, USA
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Deng Y, Zhou Y, Shi J, Yang J, Huang H, Zhang M, Wang S, Ma Q, Liu Y, Li B, Yan J, Yang H. Potential genetic biomarkers predict adverse pregnancy outcome during early and mid-pregnancy in women with systemic lupus erythematosus. Front Endocrinol (Lausanne) 2022; 13:957010. [PMID: 36465614 PMCID: PMC9708709 DOI: 10.3389/fendo.2022.957010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 11/01/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Effectively predicting the risk of adverse pregnancy outcome (APO) in women with systemic lupus erythematosus (SLE) during early and mid-pregnancy is a challenge. This study was aimed to identify potential markers for early prediction of APO risk in women with SLE. METHODS The GSE108497 gene expression dataset containing 120 samples (36 patients, 84 controls) was downloaded from the Gene Expression Omnibus database. Weighted gene co-expression network analysis (WGCNA) was performed, and differentially expressed genes (DEGs) were screened to define candidate APO marker genes. Next, three individual machine learning methods, random forest, support vector machine-recursive feature elimination, and least absolute shrinkage and selection operator, were combined to identify feature genes from the APO candidate set. The predictive performance of feature genes for APO risk was assessed using area under the receiver operating characteristic curve (AUC) and calibration curves. The potential functions of these feature genes were finally analyzed by conventional gene set enrichment analysis and CIBERSORT algorithm analysis. RESULTS We identified 321 significantly up-regulated genes and 307 down-regulated genes between patients and controls, along with 181 potential functionally associated genes in the WGCNA analysis. By integrating these results, we revealed 70 APO candidate genes. Three feature genes, SEZ6, NRAD1, and LPAR4, were identified by machine learning methods. Of these, SEZ6 (AUC = 0.753) showed the highest in-sample predictive performance for APO risk in pregnant women with SLE, followed by NRAD1 (AUC = 0.694) and LPAR4 (AUC = 0.654). After performing leave-one-out cross validation, corresponding AUCs for SEZ6, NRAD1, and LPAR4 were 0.731, 0.668, and 0.626, respectively. Moreover, CIBERSORT analysis showed a positive correlation between regulatory T cell levels and SEZ6 expression (P < 0.01), along with a negative correlation between M2 macrophages levels and LPAR4 expression (P < 0.01). CONCLUSIONS Our preliminary findings suggested that SEZ6, NRAD1, and LPAR4 might represent the useful genetic biomarkers for predicting APO risk during early and mid-pregnancy in women with SLE, and enhanced our understanding of the origins of pregnancy complications in pregnant women with SLE. However, further validation was required.
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Affiliation(s)
- Yu Deng
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Yiran Zhou
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Jiangcheng Shi
- School of Life Sciences, Tiangong University, Tianjin, China
| | - Junting Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Hong Huang
- Department of Rheumatology and Clinical Immunology, Peking University First Hospital, Beijing, China
| | - Muqiu Zhang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Shuxian Wang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Qian Ma
- Department of Clinical Laboratory, Peking University First Hospital, Beijing, China
| | - Yingnan Liu
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Boya Li
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Jie Yan
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
| | - Huixia Yang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
- Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus, Beijing, China
- *Correspondence: Huixia Yang,
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Garafutdinov RR, Sakhabutdinova AR, Aminev FG, Chemeris AV. [New polymorphic DNA marker to determine a person's sex from biological material]. Sud Med Ekspert 2022; 65:36-40. [PMID: 35947408 DOI: 10.17116/sudmed20226504136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The objective of the study was to pre-evaluate the applicability of gender-specific nucleotide sequences in human neuroligin genes as alternative DNA markers of sex. A new polymorphic locus based on NLGNX and NLGNY genes was proposed to establish the sex attribute of human biomaterials. The significant difference in the location of these loci relative to the pseudoautosomal region (PAR), as well as the combination of different types of polymorphism on the one hand, and the possibility of using gender-specific primers «in one assay» on the other hand, warrants their use as an additional marker of human sex attribute, including utilization as part of systems for DNA registration in the population. The introduction of a new polymorphic locus based on the NLGNX and NLGNY genes will make it possible to reliably identify the sex attribute of biological material recovered from crime scenes.
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Affiliation(s)
- R R Garafutdinov
- Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - A R Sakhabutdinova
- Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - F G Aminev
- Institute of law, Bashkir State University, Ufa, Russia
| | - A V Chemeris
- Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
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Kagoro FM, Barnes KI, Marsh K, Ekapirat N, Mercado CEG, Sinha I, Humphreys G, Dhorda M, Guerin PJ, Maude RJ. Mapping genetic markers of artemisinin resistance in Plasmodium falciparum malaria in Asia: a systematic review and spatiotemporal analysis. The Lancet Microbe 2022; 3:e184-e192. [PMID: 35265869 PMCID: PMC8891024 DOI: 10.1016/s2666-5247(21)00249-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background The increase in artemisinin resistance threatens malaria elimination in Asia by the target date of 2030 and could derail control efforts in other endemic regions. This study aimed to develop up-to-date spatial distribution visualisations of the kelch13 (K13) gene markers of artemisinin resistance in Plasmodium falciparum for policy makers. Methods In this systematic review and spatiotemporal analysis we used the WorldWide Antimalarial Resistance Network (WWARN) surveyor molecular markers of artemisinin resistance database. We updated the database by searching PubMed and SCOPUS for studies published between Jan 1, 1990, and March 31, 2021. Articles were included if they contained data on K13 markers of artemisinin resistance from patients' samples in Asia and articles already included in the WWARN database were excluded. Data were extracted from the published articles and authors were contacted when information was missing. We used the lowest administrative unit levels for the sampling locations of all the K13 data to describe the spatiotemporal distribution. The numbers of samples tested and those with each molecular marker in each administrative unit level were aggregated by year to calculate the marker prevalence over time. Findings Data were collated from 72 studies comprising K13 markers from 16 613 blood samples collected from 1991 to 2020 from 18 countries. Most samples were from Myanmar (3842 [23·1%]), Cambodia (3804 [22·9%]), and Vietnam (2663 [16·0%]). The median time between data collection and publication was 3·6 years (range 0·9–25·0, IQR 2·7 [2·5–5·2]). There was a steady increase in the prevalence of WHO-validated K13 markers, with the lowest of 4·3% in 2005 (n=47) and the highest of 62·9% in 2018 (n=264). Overall, the prevalence of Cys580Tyr mutation increased from 48·9% in 2002 to 84·9% in 2018. Interpretation From 2002 to 2018, there has been a steady increase in geographical locations and the proportion of infected people with validated artemisinin resistance markers. More consistent data collection, over more extended periods in the same areas with the rapid sharing of data are needed to map the spread and evolution of resistance to better inform policy decisions. Data in the literature are reported in a heterogeneous way leading to difficulties in pooling and interpretation. We propose here a tool with a set of minimum criteria for reporting future studies. Funding This research was funded in part by the Wellcome Trust.
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Affiliation(s)
- Frank M Kagoro
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- WorldWide Antimalarial Resistance Network, Oxford, UK
- Infectious Diseases Data Observatory, Oxford, UK
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Collaborating Centre for Optimising Antimalarial Therapy, Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Karen I Barnes
- WorldWide Antimalarial Resistance Network, Oxford, UK
- Collaborating Centre for Optimising Antimalarial Therapy, Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Kevin Marsh
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Nattwut Ekapirat
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Chris Erwin G Mercado
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Ipsita Sinha
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | | | - Mehul Dhorda
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- WorldWide Antimalarial Resistance Network, Oxford, UK
- Infectious Diseases Data Observatory, Oxford, UK
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Philippe J Guerin
- WorldWide Antimalarial Resistance Network, Oxford, UK
- Infectious Diseases Data Observatory, Oxford, UK
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Richard J Maude
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Harvard T H Chan School of Public Health, Harvard University, Boston, MA, USA
- The Open University, Milton Keynes, UK
- Correspondence to: Professor Richard J Maude, Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
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Zhang S, Yang X, Zhang Z, Xiong Y, Zhang Y, Li C, Liu O, Wang X, Peng Y. Expression patterns of long non-coding RNAs in peripheral blood mononuclear cells of non-segmental vitiligo. Medicine (Baltimore) 2021; 100:e28399. [PMID: 34941177 PMCID: PMC8702240 DOI: 10.1097/md.0000000000028399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/02/2021] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVE We explored the patterns of long non-coding RNA (lncRNA) expression in peripheral blood mononuclear cells (PBMCs) from patients with non-segmental vitiligo. METHODS We used high-throughput RNA sequencing technology to generate sequence data from five patients with non-segmental vitiligo alongside five normal healthy individuals, and then performed bioinformatics analyses to detect the differential expression of lncRNA in PBMCs. Gene Ontology (GO) and pathway analyses were performed for functional annotation, and quantitative real-time polymerase chain reaction (qRT-PCR) was used to verify gene expression. Target miRNAs and mRNAs of differentially expressed lncRNAs were predicted using bioinformatics analysis. RESULTS A total of 292 lncRNAs were differentially expressed in non-segmental vitiligo (fold change ≥ 2.0, P < .05), of which 171 were upregulated and 121 were downregulated. Six differentially expressed lncRNAs were selected, namely ENST00000460164.1, ENST00000393264.2, NR-046211.1, NR-135491.1, NR-135320.1, and ENST00000381108.3, for validation by qRT-PCR. The results showed that ENST00000460164.1 and NR-046211.1 were highly expressed in PBMCs of non-segmental vitiligo. An lncRNA-miRNA-mRNA network containing two lncRNAs, 17 miRNAs, and 223 mRNAs was constructed. CONCLUSION Our results revealed patterns of differentially expressed lncRNAs in the PBMCs of non-segmental vitiligo individuals. ENST00000460164.1, and NR-046211.1 may be potential biomarkers and drug targets for the treatment of non-segmental vitiligo.
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Affiliation(s)
- Shulan Zhang
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Xinyue Yang
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhibin Zhang
- Department of Dermatology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yifeng Xiong
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yingpeng Zhang
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Chunming Li
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Ougen Liu
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Xiaoyan Wang
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yating Peng
- Department of Dermatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Bader O. Phylogenetic Distribution of csp1 Types in Aspergillus fumigatus and Their Correlates to Azole Antifungal Drug Resistance. Microbiol Spectr 2021; 9:e0121421. [PMID: 34787484 PMCID: PMC8597649 DOI: 10.1128/spectrum.01214-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 09/22/2021] [Indexed: 11/20/2022] Open
Abstract
In Aspergillus fumigatus, the repetitive region of the csp1 gene is one of the most frequently used loci for intraspecies typing of this human pathogenic mold. Using PCR amplification and Sanger sequencing of only a single marker, csp1 typing is readily available to most laboratories and highly reproducible. Here, I evaluate the usefulness of the csp1 marker for resistance detection and epidemiologic stratification among A. fumigatus isolates. After resolving nomenclature conflicts from published studies and adding novel csp1 types, the number of known types now adds up to 38. Their distribution mostly correlates with A. fumigatus population structure, and they are also meaningful for narrowly defined cases of azole resistance phenotypes. Isolates carrying the pandemic resistance allele TR34/L98H show signs of interclade crossing of strains with t02 or t04A, into the t11 clade. Furthermore, absolute differences in voriconazole MIC values between t02/t04B versus t11 TR34/L98H isolates indicate that the genetic background of resistance mutations may have a pivotal role in cross-resistance phenotypes and, thus, clinical outcome and environmental selection. Despite the general genetic similarity of isolates with identical csp1 types, outcrossing into other clades is also observed. The csp1 type alone, therefore, does not sufficiently discriminate genetic clades to be used as the sole marker in epidemiologic studies. IMPORTANCE Aspergillus fumigatus is a ubiquitously distributed saprophytic mold and a leading cause of invasive aspergillosis in human hosts. Pandemic azole-resistant strains have emerged on a global scale, which are thought to be propagated through use of azole-based fungicides in agriculture. To perform epidemiologic studies, genetic typing of large cohorts is key. Here, I evaluate the usefulness of the frequently used csp1 marker for resistance detection and epidemiologic stratification among A. fumigatus isolates. The phylogenetic distribution of csp1 types mostly correlates with A. fumigatus population structure and is also meaningful for narrowly defined cases of azole resistance phenotypes. Nevertheless, outcrossing of csp1 into other clades is also observed. The csp1 type alone, therefore, does not sufficiently discriminate genetic clades and should not be used as the sole marker in epidemiologic studies.
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Affiliation(s)
- Oliver Bader
- Institute for Medical Microbiology and Virology, University Medical Center Göttingen, Göttingen, Germany
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Mengistu G, Shimelis H, Assefa E, Lule D. Genome-wide association analysis of anthracnose resistance in sorghum [Sorghum bicolor (L.) Moench]. PLoS One 2021; 16:e0261461. [PMID: 34929013 PMCID: PMC8687563 DOI: 10.1371/journal.pone.0261461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 12/02/2021] [Indexed: 11/18/2022] Open
Abstract
In warm-humid ago-ecologies of the world, sorghum [Sorghum bicolor (L.) Moench] production is severely affected by anthracnose disease caused by Colletotrichum sublineolum Henn. New sources of anthracnose resistance should be identified to introgress novel genes into susceptible varieties in resistance breeding programs. The objective of this study was to determine genome-wide association of Diversity Arrays Technology Sequencing (DArTseq) based single nucleotide polymorphisms (SNP) markers and anthracnose resistance genes in diverse sorghum populations for resistance breeding. Three hundred sixty-six sorghum populations were assessed for anthracnose resistance in three seasons in western Ethiopia using artificial inoculation. Data on anthracnose severity and the relative area under the disease progress curve were computed. Furthermore, the test populations were genotyped using SNP markers with DArTseq protocol. Population structure analysis and genome-wide association mapping were undertaken based on 11,643 SNPs with <10% missing data. The evaluated population was grouped into eight distinct genetic clusters. A total of eight significant (P < 0.001) marker-trait associations (MTAs) were detected, explaining 4.86–15.9% of the phenotypic variation for anthracnose resistance. Out of which the four markers were above the cutoff point. The significant MTAs in the assessed sorghum population are useful for marker-assisted selection (MAS) in anthracnose resistance breeding programs and for gene and quantitative trait loci (QTL) mapping.
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Affiliation(s)
- Girma Mengistu
- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Scottsville, Pietermaritzburg, South Africa
- Oromia Agricultural Research Institute, Addis Ababa, Ethiopia
- * E-mail:
| | - Hussein Shimelis
- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Scottsville, Pietermaritzburg, South Africa
| | - Ermias Assefa
- Ethiopian Biotechnology Institute, Bioinformatics and Genomics Research Directorate (BGRD), Addis Ababa, Ethiopia
| | - Dagnachew Lule
- Oromia Agricultural Research Institute, Addis Ababa, Ethiopia
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Kohli H, Childs B, Sullivan TB, Shevtsov A, Burks E, Kalantzakos T, Rieger-Christ K, Vanni AJ. Differential expression of miRNAs involved in biological processes responsible for inflammation and immune response in lichen sclerosus urethral stricture disease. PLoS One 2021; 16:e0261505. [PMID: 34910765 PMCID: PMC8673646 DOI: 10.1371/journal.pone.0261505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 12/05/2021] [Indexed: 11/27/2022] Open
Abstract
Purpose To better understand the pathophysiology of lichen sclerosus (LS) urethral stricture disease (USD), we aimed to investigate expression profiles of microRNAs (miRNAs) in tissue samples from men undergoing urethroplasty. Methods Urethral stricture tissue was collected from 2005–2020. Histologic features diagnostic of LS were the basis of pathologic evaluation. Foci of areas diagnostic for LS or non-LS strictures were chosen for RNA evaluation. In an initial screening analysis, 13 LS urethral strictures and 13 non-LS strictures were profiled via miRNA RT-qPCR arrays for 752 unique miRNA. A validation analysis of 23 additional samples (9 LS and 14 non-LS) was performed for 15 miRNAs. Statistical analyses were performed using SPSS v25. Gene Ontology (GO) analysis was performed using DIANA-mirPath v. 3.0. Results In the screening analysis 143 miRNAs were detected for all samples. 27 were differentially expressed between the groups (false discovery p-value <0.01). 15 of these miRNAs individually demonstrated an area under the curve (AUC)>0.90 for distinguishing between between LS and non-LS strictures. 11-fold upregulation of MiR-155-5p specifically was found in LS vs. non-LS strictures (p<0.001, AUC = 1.0). In the validation analysis, 13 of the 15 miRNAs tested were confirmed to have differential expression (false discovery p-value <0.10). Conclusions To our knowledge this is the first study evaluating miRNA expression profiles in LS and non-LS USD. We identified several miRNAs that are differentially expressed in USD caused by LS vs other etiologies, which could potentially serve as biomarkers of LS USD. The top eight differentially expressed miRNAs have been linked to immune response processes as well as involvement in wound healing, primarily angiogenesis and fibrosis.
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Affiliation(s)
- Harjivan Kohli
- Department of Urology, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
| | - Brandon Childs
- Department of Urology, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
| | - Travis B. Sullivan
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
| | - Artem Shevtsov
- Department of Pathology, Boston University School of Medicine, Boston, Massachusetts, United States of America
| | - Eric Burks
- Department of Pathology, Boston University School of Medicine, Boston, Massachusetts, United States of America
| | - Thomas Kalantzakos
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
| | - Kimberly Rieger-Christ
- Department of Urology, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
- Department of Translational Research, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
| | - Alex J. Vanni
- Department of Urology, Lahey Hospital & Medical Center, Burlington, Massachusetts, United States of America
- * E-mail:
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Boudenot A, Pallu S, Uzbekov R, Dolleans E, Toumi H, Lespessailles E. Free-fall landing and interval running have different effects on trabecular bone mass and microarchitecture, serum osteocalcin, biomechanical properties, SOST expression and on osteocyte-related characteristics. Appl Physiol Nutr Metab 2021; 46:1525-1534. [PMID: 34370961 DOI: 10.1139/apnm-2020-0683] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The effects of treadmill interval training (IT) and free-fall exercise were evaluated on bone parameters including osteocyte related characteristics. Thirty-eight 4-month-old male Wistar rats were randomly divided into a control (C) group and exercise groups: IT, 10 free-fall impacts/day with a 10-s (FF10) or 20-s interval between drops (FF20), 5 days/week, for 9 weeks. We assessed bone mineral density (BMD); microarchitecture by µCT; mechanical strength by a 3-point bending test; density and occupancy of the osteocyte lacunae by toluidine blue staining; osteocalcin and NTx systemic levels by ELISA; and bone tissue Sost messenger RNA (mRNA) expression by RT-PCR. NTx levels were significantly lower in exercise groups as compared with the C group. In exercise groups the Sost mRNA expression was significantly lower than in C. Tb.N was significantly higher for IT and FF20 compared with the C group. Tb.Sp was significantly lower in FF10 compared with the C group. Both IT and FF20 were associated with higher tibial lacunar density as compared with FF10. compared with FF10, IT fat mass was lower, while tibial osteocyte lacunae occupancy and systemic osteocalcin level were higher. All exercise modes were efficient in reducing bone resorption. Both IT and free-fall impact with appropriate recovery periods, which may be beneficial for bone health and osteocyte-related characteristics. Novelty: Interval training is beneficial for bone mineral density. Exercises decreased both bone resorption and inhibition of bone formation (Sost mRNA). Longer interval recovery time favors osteocyte lacunae density.
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Affiliation(s)
- Arnaud Boudenot
- EA 4708 I3MTO Laboratory, University Orleans, Orleans 45067, France
| | - Stéphane Pallu
- CNRS, INSERM, B3OA, University of Paris, Paris 75010, France
| | - Rustem Uzbekov
- Department of Microscopy, University of Tours, Tours, France
| | - Eric Dolleans
- EA 4708 I3MTO Laboratory, University Orleans, Orleans 45067, France
| | - Hechmi Toumi
- EA 4708 I3MTO Laboratory, University Orleans, Orleans 45067, France
- Department of Rheumatology, Regional Hospital of Orleans, Orleans, France
- Plateforme Recherche Innovation Médicale Mutualisée d'Orléans, CHR, Orleans, France
| | - Eric Lespessailles
- EA 4708 I3MTO Laboratory, University Orleans, Orleans 45067, France
- Department of Rheumatology, Regional Hospital of Orleans, Orleans, France
- Plateforme Recherche Innovation Médicale Mutualisée d'Orléans, CHR, Orleans, France
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Abstract
OBJECTIVE This study aimed to identify the biomarkers and mechanisms for dermatomyositis (DM) progression at the transcriptome level through a combination of microarray and bioinformatic analyses. METHOD Microarray datasets for skeletal muscle of DM and healthy control (HC) were downloaded from the Gene Expression Omnibus (GEO) database, and differentially expressed genes (DEGs) were identified by using GEO2R. Enrichment analyses were performed to understand the functions and enriched pathways of DEGs. A protein-protein interaction network was constructed to identify hub genes. The top 10 hub genes were validated by other GEO datasets. The diagnostic accuracy of the top 10 hub genes for DM was evaluated using the area under the curve of the receiver operating characteristic curve. RESULT A total of 63 DEGs were identified between 10 DM samples and 9 HC samples. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analysis indicated that DEGs are mostly enriched in response to virus, defense response to virus, and type I interferon signaling pathway. 10 hub genes and 3 gene cluster modules were identified by Cytoscape. The identified hub genes were verified by GSE1551 and GSE11971 datasets and proven to be potential biomarkers for the diagnosis of DM. CONCLUSION Our work identified 10 valuable genes as potential biomarkers for the diagnosis of DM and explored the potential underlying molecular mechanism of the disease.
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Affiliation(s)
- Lu Xiao
- Department of Rheumatology, Hainan general hospital (Hainan Affiliated Hospital of Hainan Medical University), Hainan, China
| | - Wei Xiao
- Department of Respiratory, Hainan general hospital (Hainan Affiliated Hospital of Hainan Medical University), Hainan, China
| | - Shudian Lin
- Department of Rheumatology, Hainan general hospital (Hainan Affiliated Hospital of Hainan Medical University), Hainan, China
- * E-mail:
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Omar HS, Al Mutery A, Osman NH, Reyad NEHA, Abou-Zeid MA. Genetic diversity, antifungal evaluation and molecular docking studies of Cu-chitosan nanoparticles as prospective stem rust inhibitor candidates among some Egyptian wheat genotypes. PLoS One 2021; 16:e0257959. [PMID: 34767570 PMCID: PMC8589204 DOI: 10.1371/journal.pone.0257959] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 09/14/2021] [Indexed: 11/21/2022] Open
Abstract
Wheat has a remarkable importance among cereals worldwide. Wheat stem and leaf rust constitute the main threats that destructively influence grain quality and yield production. Pursuing resistant cultivars and developing new genotypes including resistance genes is believed to be the most effective tool to overcome these challenges. This study is the first to use molecular markers to evaluate the genetic diversity of eighteen Egyptian wheat genotypes. Moreover, the molecular docking analysis was also used to assess the Cu-chitosan nanoparticle (CuChNp) treatment and its mode of action in disease control management. The tested genotypes were categorized into two main cluster groups depending on the similarity matrix, i.e the most resistant and susceptible genotypes to stem and leaf rust races. The results of SCoT primers revealed 140 polymorphic and 5 monomorphic bands with 97% polymorphism. While 121 polymorphic and 74 monomorphic bands were scored for SRAP primers (99% polymorphism). The genotypes Sakha 94, Sakha 95, Beni Sweif 4, Beni Sweif 7, Sohag 4 and Sohag 5 were resistant, while Giza 160 was highly susceptible to all stem rust races at the seedling stage. However, in the adult stage, the 18 genotypes were evaluated for stem and leaf rust-resistant in two different locations, i.e. Giza and Sids. In this investigation, for the first time, the activity of CuChNp was studied and shown to have the potential to inhibit stem and leaf rust in studied Egyptian wheat genotypes. The Spraying Cu-chitosan nanoparticles showed that the incubation and latent periods were increased in treated plants of the tested genotypes. Molecular modeling revealed their activity against the stem and leaf rust development. The SRAP and SCoT markers were highly useful tools for the classification of the tested wheat genotypes, although they displayed high similarities at the morphological stage. However, Cu-chitosan nanoparticles have a critical and effective role in stem and leaf rust disease control.
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Affiliation(s)
- Hanaa S. Omar
- Faculty of Agriculture, Genetics Department, Cairo University, Giza, Egypt
- GMO lab Faculty of Agriculture, Cairo University, Research Park, CURP, Giza, Egypt
| | - Abdullah Al Mutery
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Molecular Genetics and Stem Cell Research Laboratory, University of Sharjah, Sharjah, United Arab Emirates
| | - Neama H. Osman
- Faculty of Agriculture, Genetics Department, Cairo University, Giza, Egypt
| | | | - Mohamed A. Abou-Zeid
- Wheat Disease Research Department, Plant Pathology Research Institute, ARC, Giza, Egypt
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Adolfi MC, Du K, Kneitz S, Cabau C, Zahm M, Klopp C, Feron R, Paixão RV, Varela ES, de Almeida FL, de Oliveira MA, Nóbrega RH, Lopez-Roques C, Iampietro C, Lluch J, Kloas W, Wuertz S, Schaefer F, Stöck M, Guiguen Y, Schartl M. A duplicated copy of id2b is an unusual sex-determining candidate gene on the Y chromosome of arapaima (Arapaima gigas). Sci Rep 2021; 11:21544. [PMID: 34732792 PMCID: PMC8566520 DOI: 10.1038/s41598-021-01066-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 10/21/2021] [Indexed: 12/19/2022] Open
Abstract
Arapaima gigas is one of the largest freshwater fish species of high ecological and economic importance. Overfishing and habitat destruction are severe threats to the remaining wild populations. By incorporating a chromosomal Hi-C contact map, we improved the arapaima genome assembly to chromosome-level, revealing an unexpected high degree of chromosome rearrangements during evolution of the bonytongues (Osteoglossiformes). Combining this new assembly with pool-sequencing of male and female genomes, we identified id2bbY, a duplicated copy of the inhibitor of DNA binding 2b (id2b) gene on the Y chromosome as candidate male sex-determining gene. A PCR-test for id2bbY was developed, demonstrating that this gene is a reliable male-specific marker for genotyping. Expression analyses showed that this gene is expressed in juvenile male gonads. Its paralog, id2ba, exhibits a male-biased expression in immature gonads. Transcriptome analyses and protein structure predictions confirm id2bbY as a prime candidate for the master sex-determiner. Acting through the TGFβ signaling pathway, id2bbY from arapaima would provide the first evidence for a link of this family of transcriptional regulators to sex determination. Our study broadens our current understanding about the evolution of sex determination genetic networks and provide a tool for improving arapaima aquaculture for commercial and conservation purposes.
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Affiliation(s)
- Mateus C Adolfi
- Developmental Biochemistry, Biocenter, University of Wuerzburg, Am Hubland, 97074, Wuerzburg, Germany.
| | - Kang Du
- Developmental Biochemistry, Biocenter, University of Wuerzburg, Am Hubland, 97074, Wuerzburg, Germany
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, TX, 78666, USA
| | - Susanne Kneitz
- Biochemistry and Cell Biology, Biocenter, University of Wuerzburg, Am Hubland, 97074, Wuerzburg, Germany
| | - Cédric Cabau
- Sigenae, GenPhySE, INRAE, ENVT, Université de Toulouse, Castanet Tolosan, France
| | - Margot Zahm
- Sigenae, GenPhySE, INRAE, ENVT, Université de Toulouse, Castanet Tolosan, France
| | - Christophe Klopp
- MIAT, INRA, Université de Toulouse, Chemin de Borde Rouge, 31326, Castanet-Tolosan Cedex, France
| | - Romain Feron
- INRAE, LPGP, Rennes, France
- Department of Ecology and Evolution, University of Lausanne, and Swiss Institute of Bioinformatics, 1015, Lausanne, Switzerland
| | | | | | | | - Marcos A de Oliveira
- Reproductive and Molecular Biology Group, Department of Morphology, Institute of Biosciences, UNESP, Botucatu, Brazil
| | - Rafael H Nóbrega
- Reproductive and Molecular Biology Group, Department of Morphology, Institute of Biosciences, UNESP, Botucatu, Brazil
| | | | | | - Jérôme Lluch
- GeT-PlaGe, INRAE, Genotoul, Castanet-Tolosan, France
| | - Werner Kloas
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, IGB, Müggelseedamm 301 & 310, 12587, Berlin, Germany
| | - Sven Wuertz
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, IGB, Müggelseedamm 301 & 310, 12587, Berlin, Germany
| | - Fabian Schaefer
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, IGB, Müggelseedamm 301 & 310, 12587, Berlin, Germany
| | - Matthias Stöck
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, IGB, Müggelseedamm 301 & 310, 12587, Berlin, Germany
- Amphibian Research Center, Hiroshima University, Higashi-Hiroshima, 739-8526, Japan
| | | | - Manfred Schartl
- Developmental Biochemistry, Biocenter, University of Wuerzburg, Am Hubland, 97074, Wuerzburg, Germany
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, TX, 78666, USA
- Comprehensive Cancer Center Mainfranken, University Hospital, 97080, Würzburg, Germany
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Shi K, Lin W, Zhao XM. Identifying Molecular Biomarkers for Diseases With Machine Learning Based on Integrative Omics. IEEE/ACM Trans Comput Biol Bioinform 2021; 18:2514-2525. [PMID: 32305934 DOI: 10.1109/tcbb.2020.2986387] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Molecular biomarkers are certain molecules or set of molecules that can be of help for diagnosis or prognosis of diseases or disorders. In the past decades, thanks to the advances in high-throughput technologies, a huge amount of molecular 'omics' data, e.g., transcriptomics and proteomics, have been accumulated. The availability of these omics data makes it possible to screen biomarkers for diseases or disorders. Accordingly, a number of computational approaches have been developed to identify biomarkers by exploring the omics data. In this review, we present a comprehensive survey on the recent progress of identification of molecular biomarkers with machine learning approaches. Specifically, we categorize the machine learning approaches into supervised, un-supervised and recommendation approaches, where the biomarkers including single genes, gene sets and small gene networks. In addition, we further discuss potential problems underlying bio-medical data that may pose challenges for machine learning, and provide possible directions for future biomarker identification.
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Shi X, Wu P, Hu J, Qiu D, Qu Y, Li Y, Liu Y, Gebremariam TG, Xie J, Wu Q, Zhang H, Liu H, Yang L, Sun G, Zhou Y, Liu Z, Li H. Molecular Characterization of All-Stage and Adult-Plant Resistance Loci Against Powdery Mildew in Winter Wheat Cultivar Liangxing 99 Using BSR-Seq Technology. Plant Dis 2021; 105:3443-3450. [PMID: 34010023 DOI: 10.1094/pdis-03-21-0664-re] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Winter wheat cultivar Liangxing 99, which carries gene Pm52, is resistant to powdery mildew at both seedling and adult-plant stages. An F2:6 recombinant inbred line population from cross Liangxing 99 × Zhongzuo 9504 was phenotyped with Blumeria graminis f. sp. tritici isolate Bgt27 at the adult-plant stage in four field tests and the seedling stage in a greenhouse test. The analysis of bulk segregant RNA sequencing (BSR-Seq) identified a single-nucleotide polymorphism-enriched locus, Qaprpm.caas.2B, on chromosome 2BL in the same genomic interval of Pm52 associated with the all-stage resistance (ASR) and Qaprpm.caas.7A on chromosome 7AL associated with the adult-plant resistance (APR) against the disease. Qaprpm.caas.2B was detected in a 1.3 cM genetic interval between markers Xicscl726 and XicsK128 in which Pm52 was placed with a range of logarithm of odds (LOD) values from 28.1 to 34.6, and the phenotype variations explained in terms of maximum disease severity (MDS) ranged from 45 to 52%. The LOD peak of Qaprpm.caas.7A was localized in a 4.6 cM interval between markers XicsK7A8 and XicsK7A26 and explained the phenotypic variation of MDS ranging from 13 to 16%. The results of this study confirmed Pm52 for ASR and identified Qaprpm.caas.7A for APR to powdery mildew in Liangxing 99.
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Affiliation(s)
- Xiaohan Shi
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Peipei Wu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jinghuang Hu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Dan Qiu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yunfeng Qu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yahui Li
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yi Liu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Tesfay Gebrekirstos Gebremariam
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jingzhong Xie
- Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiuhong Wu
- Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Hongjun Zhang
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Hongwei Liu
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Li Yang
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Guozhong Sun
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yang Zhou
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhiyong Liu
- Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Hongjie Li
- The National Engineering Laboratory of Crop Molecular Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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