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Anysz H, Grucza B. Multi-dichotomous sequencing method MDSM for ordering the importance of variants' properties in multi-criteria decision-making. MethodsX 2024; 12:102538. [PMID: 38229593 PMCID: PMC10790078 DOI: 10.1016/j.mex.2023.102538] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 12/25/2023] [Indexed: 01/18/2024] Open
Abstract
There are plenty of Multi-Criteria Decision-Making (MCDM) methods that help to choose the most suitable solution assessed by several criteria (e.g. Saaty 1990; Simos 1990; Pamučar et al. 2018). They are applied in cases where several scales of different units describe the variants or the variants' properties are represented by linguistic, non-numbered terms. The inherent part of the MCDM algorithms is calculating the weights of the variants' properties, necessary for ordering the variants. If - in a certain problem - there are several properties to consider, sequencing their importance becomes a problem itself. The innovative method of sequencing is proposed in the article based on dichotomous splitting of the properties' importance. If made several times, it leads to the coherent - internally and with the decision-maker's intention - order of the properties' importance. Then the weights of the properties can be calculated with the use of different MCDM methods. The description of the method can be shortened as follows:•Divide the full set of features into two dichotomous subsets of lower and higher importance•Continue dichotomous divisions until there are only the subsets containing one element or subsets containing elements of equal importance.
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Affiliation(s)
- Hubert Anysz
- Warsaw University of Technolgy, Faculty of Civil Engineering, Al. Armii Ludowej 16, Warsaw 00-637, Poland
| | - Bartosz Grucza
- Warsaw School of Economics, Department of Infrastructure and Mobility Studies, Al. Niepodległości 162, Warsaw 02-554, Poland
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2
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Sagerfors S, Edslev S, Lindblad BE, Lilje B, Stegger M, Söderquist B. In the eye of the ophthalmologist: the corneal microbiome in microbial keratitis. Graefes Arch Clin Exp Ophthalmol 2024; 262:1579-1589. [PMID: 37993692 DOI: 10.1007/s00417-023-06310-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 10/26/2023] [Accepted: 11/02/2023] [Indexed: 11/24/2023] Open
Abstract
PURPOSE To describe the bacterial findings by a targeted sequencing approach from corneal samples of patients with microbial keratitis and factors influencing culture outcome of indirectly inoculated corneal specimen. METHODS Prospective inclusion of patients fulfilling predefined criteria of microbial keratitis. Samples from the corneal lesion were collected and dispensed in liquid transport medium, from which both culture and targeted amplification and sequencing of the V3-V4 region of the 16S rRNA gene were carried out. Additional standard corneal culture from the corneal lesions was also performed. Factors influencing culture outcome of indirectly inoculated corneal samples were identified by a multivariate regression model incorporating quantitative data from sequencing. RESULTS Among the 94 included patients with microbial keratitis, contact lens wear (n = 69; 73%) was the most common risk factor. Contact lens wearers displayed significant differences in the bacterial community composition of the corneal lesion compared to no lens wearers, with higher abundance of Staphylococcus spp., Corynebacterium spp., and Stenotrophomonas maltophilia. Targeted sequencing detected a potential corneal pathogen in the highest proportional abundance among 9 of the 24 (38%) culture-negative patients with microbial keratitis. Age, bacterial density in the sample, and prior antibiotic treatment significantly influenced culture outcome of indirectly inoculated corneal samples. CONCLUSION Targeted sequencing may provide insights on pathogens in both culture negative episodes of microbial keratitis and among subgroups of patients with microbial keratitis as well as factors influencing culture outcome of indirectly inoculated corneal samples.
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Affiliation(s)
- Susanna Sagerfors
- Department of Ophthalmology, Faculty of Medicine and Health, Örebro University, SE 701 82, Örebro, Sweden.
| | - Sofie Edslev
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Birgitta Ejdervik Lindblad
- Department of Ophthalmology, Faculty of Medicine and Health, Örebro University, SE 701 82, Örebro, Sweden
| | - Berit Lilje
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Marc Stegger
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, SE 701 82, Örebro, Sweden
- Antimicrobial Resistance and Infectious Diseases Laboratory, Harry Butler Institute, Murdoch University, Murdoch, Australia
| | - Bo Söderquist
- School of Medical Sciences, Faculty of Medicine and Health, Örebro University, SE 701 82, Örebro, Sweden
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Sui Y, Song P, Chen G, Zuo S, Liu H, Guo J, Chang Z, Dai H, Liu F, Dong H. Gut microbiota and Tritrichomonas foetus infection: A study of prevalence and risk factors based on pet cats. Prev Vet Med 2024; 226:106162. [PMID: 38518658 DOI: 10.1016/j.prevetmed.2024.106162] [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: 10/22/2023] [Revised: 01/16/2024] [Accepted: 02/23/2024] [Indexed: 03/24/2024]
Abstract
Tritrichomonas foetus (T. foetus) is a protozoal pathogen that infects cats and constitutes a significant cause of chronic colitis and diarrhea. Perturbations in the gut microbiota (GM) are affected by Trichomonas infection. Furthermore, dysregulation of the host GM enhances Trichomonas pathogenicity. However, it remains unclear whether the occurrence of diarrhea is associated with a dysregulation in GM following T. foetus infection in cats. Hence, the primary objective of this investigation was to explore the correlation between T. foetus infection and dysregulation in GM by analyzing fecal samples obtained from pet cats in Henan Province, central China. We randomly collected 898 fecal samples from pet cats living in 11 prefectural cities within Henan Province, and T. foetus was screened with polymerase chain reaction (PCR) amplification based on the 18 S rRNA gene. Subsequently, six T. foetus-positive and six T. foetus-negative samples underwent analysis through 16 S rRNA gene sequencing to evaluate the gut microbiota's composition. The overall prevalence of T. foetus infection among the collected samples was found to be 6.01% (54/898). Notably, a higher prevalence of infection was observed in young, undewormed, unimmunized, and diarrheic pet cats. T. foetus infection was found to significantly alter the composition of the pet cat fecal microbiota, leading to dysfunctions. Moreover, it resulted in a substantial increase in the abundance of Bacteroidetes, Proteobacteria, and Phascolarctobacterium spp., while decreasing the ratio of Firmicutes to Bacteroidetes (F/B) and the abundance of Actinobacteria, Clostridiaceae_Clostridium spp., Phascolarctobacterium spp., SMB53 spp., and Blautia spp. We constructed ROC curves to assess the diagnostic value of specific bacterial taxa in discriminating T. foetus infection. The analysis revealed that Proteobacteria and Clostridiaceae_Clostridium spp. were the most reliable single predictors for T. foetus infection. This finding suggests that alterations in the GM may be strongly associated with T. foetus infections.
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Affiliation(s)
- Yuzhen Sui
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Pengtao Song
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Guizhen Chen
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Shoujun Zuo
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Hu Liu
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Jinjie Guo
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Zhihai Chang
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China
| | - Hongyu Dai
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China.
| | - Fang Liu
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China.
| | - Haiju Dong
- International Joint Research Center of National Animal Immunology, College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, People's Republic of China.
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Pagano AD, Blödorn EB, Domingues WB, de Souza LP, da Silveira TLR, Kütter MT, Gonçalves NM, Volcan MV, Costa PG, Bianchini A, Remião MH, Campos VF. Validation of qPCR reference genes in the endangered annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions. Ecotoxicology 2024:10.1007/s10646-024-02752-0. [PMID: 38602608 DOI: 10.1007/s10646-024-02752-0] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/31/2024] [Indexed: 04/12/2024]
Abstract
The annual killifish Austrolebias charrua is an endangered species, endemic to the southern region of South America, which inhabits temporary ponds that emerges in the rainy season. The main anthropogenic threat driving the extinction of A. charrua stems from extensive agriculture, primarily due to the widrespread use of glyphosate-based herbicides near their habitats. Annual killifishes have been used as models for ecotoxicological studies but, up to now, there are no studies about reference genes in any Austrolebias species. This represents an obstacle to the use of qPCR-based technologies, the standard method for gene expression quantification. The present study aimed to select and validate potential reference genes for qPCR normalization in the annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions. The candidate reference genes 18 s, actb, gapdh, ef1a, shox, eif3g, and the control gene atp1a1 were evaluated in male and female individuals in three different tissues (brain, liver, and gills) under two experimental conditions (control and acute exposition to Roundup Transorb®). The collected tissues were submitted to RNA extraction, followed by cDNA synthesis, cloning, sequencing, and qPCR. Overall, 18 s was the most stable reference gene, and 18 s and ef1a were the most stable combination. Otherwise, considering all variables, gapdh and shox were the least stable candidate genes. Foremost, suitable reference genes were validated in A. charrua, facilitating accurate mRNA quantification in this species, which might be useful for developing molecular tools of ecotoxicological assessment based on gene expression analysis for environmental monitoring of annual killifish.
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Affiliation(s)
- Antônio Duarte Pagano
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Eduardo Bieharls Blödorn
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - William Borges Domingues
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Lucas Petitemberte de Souza
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Tony Leandro Rezende da Silveira
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Mateus Tavares Kütter
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Natiéli Machado Gonçalves
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | | | - Patrícia Gomes Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Mariana Härter Remião
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Vinicius Farias Campos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil.
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Fotouh A, Shosha EAEM, Zanaty AM, Darwesh MM. Immunopathological investigation and genetic evolution of Avian leukosis virus Subgroup-J associated with myelocytomatosis in broiler flocks in Egypt. Virol J 2024; 21:83. [PMID: 38600532 PMCID: PMC11005230 DOI: 10.1186/s12985-024-02329-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 02/27/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND Avian leukosis virus Subgroup-J (ALV-J) is a rapidly oncogenic evolving retrovirus infecting a variety of avian species; causing severe economic losses to the local poultry industry. METHODS To investigate ALV-J, a total of 117 blood samples and 57 tissue specimens of different organs were collected for virological, and pathological identification, serological examinations, molecular characterization, and sequencing analysis. To the best of our knowledge, this is the first detailed report recorded in broiler flocks in Egypt. The present study targets the prevalence of a viral tumor disease circulating in broiler flocks in the El-Sharqia, El-Dakahliya, and Al-Qalyubiyya Egyptian governorates from 2021 to 2023 using different diagnostic techniques besides ALV-J gp85 genetic diversity determination. RESULT We first isolated ALV-J on chicken embryo rough cell culture; showing aggregation, rounding, and degeneration. Concerning egg inoculation, embryonic death, stunting, and curling were observed. Only 79 serum samples were positive for ALV-J (67.52%) based on the ELISA test. Histopathological investigation showed tumors consist of uniform masses, usually well-differentiated myelocytes, lymphoid cells, or both in the liver, spleen, and kidneys. Immunohistochemical examination showed that the myelocytomatosis-positive signals were in the spleen, liver, and kidney. The PCR assay of ALV-J gp85 confirmed 545 base pairs with only 43 positive samples (75.4%). Two positive samples were sequenced and submitted to the Genbank with accession numbers (OR509852-OR509853). Phylogenetic analysis based on the gp85 gene showed that the ALV-J Dakahlia-2 isolate is genetically related to ALV-EGY/YA 2021.3, ALV-EGY/YA 2021.4, ALV-EGY/YA 2021.14, and ALV-EGY/YA 2021.9 with amino acid identity percentage 96%, 97%; 96%, 96%; respectively. Furthermore, ALV-J Sharqia-1 isolate is highly genetically correlated to ALV-EGY/YA 2021.14, and ALV-EGY/YA 2021.9, ALV-J isolate QL1, ALV-J isolate QL4, ALV-J isolate QL3, ALV-EGY/YA 2021.4 with amino acid identity percentage 97%, 97%; 98%, 97%, 97%, 95%; respectively. CONCLUSIONS This study confirmed that ALV-J infection had still been prevalent in broilers in Egypt, and the genetic characteristics of the isolates are diverse.
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Affiliation(s)
- Ahmed Fotouh
- Pathology and Clinical Pathology Department, Faculty of Veterinary Medicine, New Valley University, Kharga, Egypt
| | | | - Ali Mahmood Zanaty
- Gene Analysis Unit, Reference Laboratory for Quality Control on Poultry, Animal Health Institute, Agriculture Research Center (ARC), Giza, Egypt
| | - Marwa Mostafa Darwesh
- Department of Pathology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, 13736, Qaluiobiya, Egypt
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Bernal-Gallardo JJ, de Folter S. Plant genome information facilitates plant functional genomics. Planta 2024; 259:117. [PMID: 38592421 PMCID: PMC11004055 DOI: 10.1007/s00425-024-04397-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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/20/2024] [Indexed: 04/10/2024]
Abstract
MAIN CONCLUSION In this review, we give an overview of plant sequencing efforts and how this impacts plant functional genomics research. Plant genome sequence information greatly facilitates the studies of plant biology, functional genomics, evolution of genomes and genes, domestication processes, phylogenetic relationships, among many others. More than two decades of sequencing efforts have boosted the number of available sequenced plant genomes. The first plant genome, of Arabidopsis, was published in the year 2000 and currently, 4604 plant genomes from 1482 plant species have been published. Various large sequence initiatives are running, which are planning to produce tens of thousands of sequenced plant genomes in the near future. In this review, we give an overview on the status of sequenced plant genomes and on the use of genome information in different research areas.
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Affiliation(s)
- Judith Jazmin Bernal-Gallardo
- Unidad de Genómica Avanzada (UGA-Langebio), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Irapuato, Mexico
| | - Stefan de Folter
- Unidad de Genómica Avanzada (UGA-Langebio), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Irapuato, Mexico.
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Subrata SA, Yuda P, Artama WT, de-Garine Wichatitsky M, André A, Michaux J. Rusa deer microbiota: the importance of preliminary data analysis for meaningful diversity comparisons. Int Microbiol 2024:10.1007/s10123-024-00521-x. [PMID: 38589705 DOI: 10.1007/s10123-024-00521-x] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/10/2024]
Abstract
The microbiome is an important consideration for the conservation of endangered species. Studies provided evidence of the effect of behavior and habitat change on the microbiota of wild animals and reported various inferences. It indicates the complexity of factors influencing microbiota diversity, including incomplete sampling procedures. Data abnormality may arise due to the procedures warranting preliminary analysis, such as rarefaction, before downstream analysis. This present study demonstrated the effect of data rarefaction and aggregation on the comparison of wild rusa deer's gut microbial diversity. Eighty-five feces samples were collected from 11 deer populations inhabiting three national parks in Java and Bali islands. Using the Illumina Nova-Seq platform, fragments of 16s rRNA gene were sequenced, and raw data of 51,389 reads corresponding to 2 domains, 22 phyla, 45 classes, 83 orders, 182 families, and 460 genera of bacteria were obtained. Data rarefaction was applied at two different library sizes (minimum and fixed) and aggregation (11 populations into 3 research sites) to investigate its effect on the microbial diversity comparison. There are significant differences in alpha diversity between populations, but not research sites, at all library sizes of rarefaction. A similar finding is also found in beta diversity. Moreover, data rarefaction and aggregation result in different values of the diversity metrics. This present study shows that statistical analysis remains a substantial concern in microbiome studies applied to conservation biology. It suggests reporting a more detailed data normalization in microbiome studies as an inherent control of suboptimal sampling, particularly when involving feces.
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Affiliation(s)
- Sena A Subrata
- Faculty of Forestry, Universitas Gadjah Mada, Yogyakarta, Indonesia.
| | - Pramana Yuda
- Faculty of Technobiology, Universitas Atma Jaya Yogyakarta, Yogyakarta, Indonesia
| | - Wayan T Artama
- Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | | | - Adrien André
- Conservation Genetics Unit, Department of Life Sciences, University of Liège, Liege, Belgium
| | - Johan Michaux
- Conservation Genetics Unit, Department of Life Sciences, University of Liège, Liege, Belgium
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Trecarten S, Fongang B, Liss M. Current Trends and Challenges of Microbiome Research in Prostate Cancer. Curr Oncol Rep 2024:10.1007/s11912-024-01520-x. [PMID: 38573440 DOI: 10.1007/s11912-024-01520-x] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE OF REVIEW The role of the gut microbiome in prostate cancer is an emerging area of research interest. However, no single causative organism has yet been identified. The goal of this paper is to examine the role of the microbiome in prostate cancer and summarize the challenges relating to methodology in specimen collection, sequencing technology, and interpretation of results. RECENT FINDINGS Significant heterogeneity still exists in methodology for stool sampling/storage, preservative options, DNA extraction, and sequencing database selection/in silico processing. Debate persists over primer choice in amplicon sequencing as well as optimal methods for data normalization. Statistical methods for longitudinal microbiome analysis continue to undergo refinement. While standardization of methodology may help yield more consistent results for organism identification in prostate cancer, this is a difficult task due to considerable procedural variation at each step in the process. Further reproducibility and methodology research is required.
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Affiliation(s)
- Shaun Trecarten
- Department of Urology, UT Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA
| | - Bernard Fongang
- Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases, UT Health San Antonio, San Antonio, TX, USA
- Department of Biochemistry and Structural Biology, UT Health San Antonio, San Antonio, TX, USA
- Department of Population Health Sciences, UT Health San Antonio, San Antonio, TX, USA
| | - Michael Liss
- Department of Urology, UT Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA.
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Li H, Hong L, Szymczak W, Orner E, Garber AI, Cooper VS, Chen W, De A, Tang JX, Mani S. Protocol for isolating single species of bacteria with swarming ability from human feces. STAR Protoc 2024; 5:102961. [PMID: 38573864 PMCID: PMC10999858 DOI: 10.1016/j.xpro.2024.102961] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/20/2023] [Accepted: 03/01/2024] [Indexed: 04/06/2024] Open
Abstract
Understanding the specific movements of bacteria isolated from human feces can serve as a novel diagnostic and therapeutic tool for inflammatory bowel disease. Here, we present a protocol for a microbial swarming assay and to isolate the bacteria responsible for swarming activity. We describe steps for identifying bacteria using MALDI-TOF mass spectrometry and whole-genome sequencing. We then detail procedures for validating findings by observing the same swarming phenotype upon reperforming the swarming assay. For complete details on the use and execution of this protocol, please refer to De et al.1.
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Affiliation(s)
- Hao Li
- Department of Medicine, Genetics and Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Lilli Hong
- Department of Medicine, Genetics and Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Wendy Szymczak
- Montefiore Medical Center, Bronx, NY 10467, USA; Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Erika Orner
- Montefiore Medical Center, Bronx, NY 10467, USA; Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | | | - Vaughn S Cooper
- Department of Microbiology and Molecular Genetics, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA; Center for Evolutionary Biology and Medicine, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA; Department of Molecular, Cellular, and Biomedical Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Weijie Chen
- Department of Medicine, Genetics and Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Intelligent Medicine Institute, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Arpan De
- Department of Medicine, Genetics and Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Jay X Tang
- Brown University, Physics Department, Providence, RI 02912, USA
| | - Sridhar Mani
- Department of Medicine, Genetics and Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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Aradottir SS, Kristoffersson AC, Linnér E, Karpman D. Complement dysregulation associated with a genetic variant in factor H-related protein 5 in atypical hemolytic uremic syndrome. Pediatr Nephrol 2024; 39:1105-1111. [PMID: 37955705 PMCID: PMC10899364 DOI: 10.1007/s00467-023-06184-6] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Atypical hemolytic uremic syndrome (aHUS) can be associated with mutations, deletions, or hybrid genes in factor H-related (FHR) proteins. METHODS A child with aHUS was investigated. Genetics was assessed by Sanger and next generation sequencing. Serum FHR5 was evaluated by immunoblotting, ELISA, and by induction of rabbit red blood cell hemolysis in the presence/absence of recombinant human rFHR5. Mutagenesis was performed in HEK cells. RESULTS A heterozygous genetic variant in factor H-related protein 5 (CFHR5), M514R, was found in the child, who also had a homozygous deletion of CFHR3/CFHR1, and antibodies to factor H, as well as low levels of C3. Patient serum exhibited low levels of FHR5. In the presence of rabbit red blood cells, patient serum induced hemolysis which decreased when rFHR5 was added at physiological concentrations. Similar results were obtained using serum from the father, bearing the CFHR5 variant without factor H antibodies. Patient FHR5 formed normal dimers. The CFHR5 M514R variant was expressed in HEK cells and minimal secretion was detected whereas the protein level was elevated in cell lysates. CONCLUSIONS Decreased secretion of the product of the mutant allele could explain the low FHR5 levels in patient serum. Reduced hemolysis when rFHR5 was added to serum suggests a regulatory role regarding complement activation on red blood cells. As such, low levels of FHR5, as demonstrated in the patient, may contribute to complement activation.
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Affiliation(s)
| | | | - Erik Linnér
- Department of Pediatrics, Clinical Sciences Lund, Lund University, 22185, Lund, Sweden
| | - Diana Karpman
- Department of Pediatrics, Clinical Sciences Lund, Lund University, 22185, Lund, Sweden.
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Goumballa N, Diouf FS, Beye M, Sambou M, Bassène H, Dieng M, Aïdara A, Targa LLE, Colson P, Gautret P, Sokhna C. Influenza at the 2021 Grand Magal of Touba and possible spread to rural villages in South Senegal - a genomic epidemiological study. Int J Infect Dis 2024; 141:106952. [PMID: 38336005 DOI: 10.1016/j.ijid.2024.01.019] [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: 11/30/2023] [Revised: 01/26/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
OBJECTIVES Influenza is frequent among pilgrims participating in the Grand Magal de Touba (GMT), in Senegal, with a potential to spread to contacts when they return home. METHODS Ill pilgrims consulting at a health care center in Mbacké city close to Touba during the 2021 GMT, pilgrims returning to Dielmo and Ndiop villages, and patients who did not travel to Touba and consulted at health care centers in these two villages in 2021 were tested for the influenza virus by polymerase chain reaction on nasopharyngeal samples. Next-generation sequencing and comparative and phylogenetic analyses of influenza A virus genomes were performed. RESULTS A total of 62 of 685 patients tested positive for influenza A virus, including 34 of 53 who were consulted in Mbacké in late September, six of 129 pilgrims who returned home in early October, and 20 of 42 villagers from October 3 to 29. A total of 27 genomes were obtained. Four clusters were observed based on the phylogenetic analyses, suggesting that Mbacké patients and returned pilgrims may have shared closely related viral strains with patients inhabiting the villages who did not participate in the GMT. CONCLUSIONS Villagers in Ndiop and Dielmo may have been infected with viral strains originating from the GMT and possibly imported by pilgrims who returned from the GMT.
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Affiliation(s)
- Ndiaw Goumballa
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; VITROME, Campus International IRD-UCAD de l'IRD, Dakar, Senegal; IHU-Méditerranée Infection, Marseille, France
| | - Fatou Samba Diouf
- VITROME, Campus International IRD-UCAD de l'IRD, Dakar, Senegal; IHU-Méditerranée Infection, Marseille, France; Aix Marseille Univ, IRD, AP-HM, SSA, MEPHI, Marseille, France
| | | | - Masse Sambou
- VITROME, Campus International IRD-UCAD de l'IRD, Dakar, Senegal
| | - Hubert Bassène
- VITROME, Campus International IRD-UCAD de l'IRD, Dakar, Senegal
| | | | | | - Lorlane L E Targa
- IHU-Méditerranée Infection, Marseille, France; Aix Marseille Univ, IRD, AP-HM, SSA, MEPHI, Marseille, France
| | - Philippe Colson
- IHU-Méditerranée Infection, Marseille, France; Aix Marseille Univ, IRD, AP-HM, SSA, MEPHI, Marseille, France
| | - Philippe Gautret
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Cheikh Sokhna
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; VITROME, Campus International IRD-UCAD de l'IRD, Dakar, Senegal; IHU-Méditerranée Infection, Marseille, France.
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12
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Alrezaihi A, Penrice-Randal R, Dong X, Prince T, Randle N, Semple MG, Openshaw PJM, MacGill T, Myers T, Orr R, Zakotnik S, Suljič A, Avšič-Županc T, Petrovec M, Korva M, AlJabr W, Hiscox JA. Enrichment of SARS-CoV-2 sequence from nasopharyngeal swabs whilst identifying the nasal microbiome. J Clin Virol 2024; 171:105620. [PMID: 38237303 DOI: 10.1016/j.jcv.2023.105620] [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: 06/08/2023] [Revised: 11/06/2023] [Accepted: 11/18/2023] [Indexed: 03/17/2024]
Abstract
Simultaneously characterising the genomic information of coronaviruses and the underlying nasal microbiome from a single clinical sample would help characterise infection and disease. Metatranscriptomic approaches can be used to sequence SARS-CoV-2 (and other coronaviruses) and identify mRNAs associated with active transcription in the nasal microbiome. However, given the large sequence background, unenriched metatranscriptomic approaches often do not sequence SARS-CoV-2 to sufficient read and coverage depth to obtain a consensus genome, especially with moderate and low viral loads from clinical samples. In this study, various enrichment methods were assessed to detect SARS-CoV-2, identify lineages and define the nasal microbiome. The methods were underpinned by Oxford Nanopore long-read sequencing and variations of sequence independent single primer amplification (SISPA). The utility of the method(s) was also validated on samples from patients infected seasonal coronaviruses. The feasibility of profiling the nasal microbiome using these enrichment methods was explored. The findings shed light on the performance of different enrichment strategies and their applicability in characterising the composition of the nasal microbiome.
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Affiliation(s)
| | | | | | | | | | - Malcolm G Semple
- University of Liverpool, Liverpool, UK; NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, Liverpool, UK; Alder Hey Children's Hospital, Liverpool, UK
| | | | - Tracy MacGill
- Office of Counterterrorism and Emerging Threats, U.S. Food and Drug Administration, Silver Spring, USA
| | - Todd Myers
- Office of Counterterrorism and Emerging Threats, U.S. Food and Drug Administration, Silver Spring, USA
| | - Robert Orr
- Office of Counterterrorism and Emerging Threats, U.S. Food and Drug Administration, Silver Spring, USA
| | | | - Alen Suljič
- University of Ljubljana, Ljubljana, Slovenia
| | | | | | - Miša Korva
- University of Ljubljana, Ljubljana, Slovenia
| | - Waleed AlJabr
- University of Liverpool, Liverpool, UK; King Fahad Medical City, Riyadh, Saudi Arabia
| | - Julian A Hiscox
- University of Liverpool, Liverpool, UK; NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, Liverpool, UK; Agency for Science, Technology and Research (A*STAR), Singapore.
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13
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Lourenço L, Ellegaard Bager S, Ng DYK, Sheikh S, Lunding Kindtler N, Broman Nielsen I, Guldberg Frøslev T, Ekelund F. DNA metabarcoding reveals the impact of Cu 2+ on soil cercozoan diversity. Protist 2024; 175:126016. [PMID: 38350284 DOI: 10.1016/j.protis.2024.126016] [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: 02/12/2023] [Revised: 01/12/2024] [Accepted: 01/26/2024] [Indexed: 02/15/2024]
Abstract
Although copper (Cu2+) is a micronutrient, the metal may be toxic if present in high concentrations in soil ecosystems and subsequently affect various organisms, ranging from microorganisms to earthworms. We performed a microcosm study with an array of Cu2+ concentrations, with a specific focus on Cercozoa, an important protozoan group in most soil food webs. Research on Cercozoa is still scarce in terms of both diversity and ecology; hence, to explore this group in more depth, we used high-throughput sequencing to detect Cu2+ induced community changes. Increased levels of Cu2+ caused a shift in the cercozoan community, and we observed decreased cercozoan relative abundance across the majority of orders, families and genera. Due to their key role in soil food webs, especially as bacterial predators and providers of nutrients to plants, the reduction of cercozoan abundance and diversity may seriously affect soil functionality. Our results indicate that the increase of Cu2+ concentrations in the soil could potentially have this effect and the consequences need exploration.
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Affiliation(s)
- Leah Lourenço
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen Ø, Denmark.
| | - Sara Ellegaard Bager
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen Ø, Denmark
| | - Duncan Y K Ng
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Sanea Sheikh
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen Ø, Denmark
| | - Nikolaj Lunding Kindtler
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen Ø, Denmark
| | - Ida Broman Nielsen
- Section for Evolutionary Genomics, GLOBE Institute, University of Copenhagen, Øster Farimagsgade 5, 1353 Copenhagen K, Denmark
| | - Tobias Guldberg Frøslev
- Section for Geogenetics, GLOBE Institute, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K, Denmark
| | - Flemming Ekelund
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen Ø, Denmark
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14
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Hart RJ, Hassan F, Alulis S, Patterson KW, Barthelmes JN, Boer JH, Lee D. Modelling Treatment Sequences in Immunology: Optimizing Patient Outcomes. Adv Ther 2024:10.1007/s12325-023-02766-w. [PMID: 38554238 DOI: 10.1007/s12325-023-02766-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 12/07/2023] [Indexed: 04/01/2024]
Abstract
INTRODUCTION For some immune-mediated disorders, despite the range of therapies available there is limited evidence on which treatment sequences are best for patients and healthcare systems. We investigated how their selection can impact outcomes in an Italian setting. METHODS A 3-year state-transition treatment-sequencing model calculated potential effectiveness improvements and budget reallocation considerations associated with implementing optimal sequences in ankylosing spondylitis (AS), Crohn's disease (CD), non-radiographic axial spondyloarthritis (NR-AxSpA), plaque psoriasis (PsO), psoriatic arthritis (PsA), rheumatoid arthritis (RA), and ulcerative colitis (UC). Sequences included three biological or disease-modifying treatments, followed by best supportive care. Disease-specific response measures were selected on the basis of clinical relevance, data availability, and data quality. Efficacy was differentiated between biologic-naïve and experienced populations, where possible, using published network meta-analyses and real-world data. All possible treatment sequences, based on reimbursement as of December 2022 in Italy (analyses' base country), were simulated. RESULTS Sequences with the best outcomes consistently employed the most efficacious therapies earlier in the treatment pathway. Improvements to prescribing practice are possible in all diseases; however, most notable was UC, where the per-patient 3-year average treatment failure was 37.3% higher than optimal. The results focused on the three most crowded and prevalent immunological sub-condition diseases in dermatology, rheumatology, and gastroenterology: PsO, RA, and UC, respectively. By prescribing from within the top 20% of the most efficacious sequences, the model found a 15.1% reduction in treatment failures, with a 1.59% increase in drug costs. CONCLUSIONS Prescribing more efficacious treatments earlier provides a greater opportunity to improve patient outcomes and minimizes treatment failures.
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15
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Buetas E, Jordán-López M, López-Roldán A, D'Auria G, Martínez-Priego L, De Marco G, Carda-Diéguez M, Mira A. Full-length 16S rRNA gene sequencing by PacBio improves taxonomic resolution in human microbiome samples. BMC Genomics 2024; 25:310. [PMID: 38528457 DOI: 10.1186/s12864-024-10213-5] [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: 01/09/2024] [Accepted: 03/11/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Sequencing variable regions of the 16S rRNA gene (≃300 bp) with Illumina technology is commonly used to study the composition of human microbiota. Unfortunately, short reads are unable to differentiate between highly similar species. Considering that species from the same genus can be associated with health or disease it is important to identify them at the lowest possible taxonomic rank. Third-generation sequencing platforms such as PacBio SMRT, increase read lengths allowing to sequence the whole gene with the maximum taxonomic resolution. Despite its potential, full length 16S rRNA gene sequencing is not widely used yet. The aim of the current study was to compare the sequencing output and taxonomic annotation performance of the two approaches (Illumina short read sequencing and PacBio long read sequencing of 16S rRNA gene) in different human microbiome samples. DNA from saliva, oral biofilms (subgingival plaque) and faeces of 9 volunteers was isolated. Regions V3-V4 and V1-V9 were amplified and sequenced by Illumina Miseq and by PacBio Sequel II sequencers, respectively. RESULTS With both platforms, a similar percentage of reads was assigned to the genus level (94.79% and 95.06% respectively) but with PacBio a higher proportion of reads were further assigned to the species level (55.23% vs 74.14%). Regarding overall bacterial composition, samples clustered by niche and not by sequencing platform. In addition, all genera with > 0.1% abundance were detected in both platforms for all types of samples. Although some genera such as Streptococcus tended to be observed at higher frequency in PacBio than in Illumina (20.14% vs 14.12% in saliva, 10.63% vs 6.59% in subgingival plaque biofilm samples) none of the differences were statistically significant when correcting for multiple testing. CONCLUSIONS The results presented in the current manuscript suggest that samples sequenced using Illumina and PacBio are mostly comparable. Considering that PacBio reads were assigned at the species level with higher accuracy than Illumina, our data support the use of PacBio technology for future microbiome studies, although a higher cost is currently required to obtain an equivalent number of reads per sample.
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Affiliation(s)
- Elena Buetas
- Genomics & Health Department, FISABIO Foundation, Valencia, Spain
| | - Marta Jordán-López
- Department of Periodontics, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Andrés López-Roldán
- Department of Periodontics, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Giuseppe D'Auria
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | - Llucia Martínez-Priego
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | - Griselda De Marco
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | | | - Alex Mira
- Genomics & Health Department, FISABIO Foundation, Valencia, Spain
- CIBER Center for Epidemiology and Public Health, Madrid, Spain
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16
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Dokane K. Analysis of markers for forensic plant species identification. Forensic Sci Int 2024; 358:112007. [PMID: 38579526 DOI: 10.1016/j.forsciint.2024.112007] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/08/2024] [Accepted: 03/20/2024] [Indexed: 04/07/2024]
Abstract
While plant species identification in forensics can be useful in cases involving poisonous, psychoactive, or endangered plant species, it can also become quite challenging, especially, when dealing with processed, decaying, colonized or infected material of plant origin. The Animal Plant and Soil Traces expert working group of the European Network of Forensic Science Institutes in their best practice manual has recommended several markers for plant species identification. Current study is a part of implementation of method in a forensic laboratory and its aim is to evaluate four of the recommended markers (ITS, matK, rbcL, and trnH-psbA) for species identification of forensically important plant species including medicinal, poisonous, psychoactive, and other plants. Such parameters as PCR and sequencing success, sequence length, species resolution rate and species cover in GenBank were analysed. Blind testing was performed to evaluate use of the markers for identification of forensically more complicated samples. According to results, a combination of ITS, matK and trnH-psbA is the best choice for plant species identification. The best results with fresh plant material can be achieved with ITS, trnH-psbA, and matK, while ITS and matK are the best choice when working with low quality plant material. rbcL due to its low species discrimination rate can be used only as an indicative marker.
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Affiliation(s)
- Kristine Dokane
- Biological and Chemical Investigations, State Forensic Science Bureau, 1 Invalidu street, Riga LV-1013, Latvia.
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17
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Yarsan E, Yilmaz F, Sevin S, Akdeniz G, Celebi B, Ozturk SH, Ayikol SN, Karatas U, Ese H, Fidan N, Agacdiken B, Babur C, Buldag M, Pehlivan S. Investigation of resistance against to flumethrin using against Varroa destructor in Türkiye. Vet Res Commun 2024:10.1007/s11259-024-10351-x. [PMID: 38509424 DOI: 10.1007/s11259-024-10351-x] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
The honeybee ectoparasite Varroa destructor is a major threat to apiculture when evaluating bee diseases and pests. While attempting to control this mite, beekeepers often depend on a small selection of authorized synthetic acaricides, such as flumethrin, which is widely used in Türkiye and globally. However, resistance to flumethrin develops due to incorrect and excessive use. In this study conducted at Ordu Beekeeping Research Institute, trial group were established including an untreated control group and group where flumethrin-based pesticides were applied. Dead varroas collected from pollen traps and live varroas collected from bees were obtained from these trial groups for molecular analysis as positive-negative controls. Varroa samples were collected from provinces representing different regions with intensive beekeeping activities such as Adana, Ankara, Bingöl, Muğla, Ordu, Şanlıurfa, Tekirdağ. Molecular methods were employed to investigate the resistance gene region for pyrethroids (specifically flumethrin) against V. destructor. In our study, individual DNA extractions were performed on dead parasites from colonies subjected to pyrethroid application (resistance negative control) and live parasites (resistance positive control). The DNA samples obtained were used in PCR reactions targeting the region encoding the 925th amino acid of the voltage-gated sodium channel (VGSC) gene, which is responsible for resistance formation. The DNA samples were subjected to gel electrophoresis to observe the amplification products of the expected target region. To examine the nucleotide sequence changes that encode leucine at the 925th amino acid, which is associated with resistance, DNA sequence analysis was applied to the amplification products. Out of 332 V. destructor parasites obtained from different provinces, 279 were analysed using molecular methods. It was observed that 31% of the samples showed sensitivity to flumethrin while 69% exhibited resistance to it. Among the resistant samples: 27% had homozygous isoleucine mutation; 28% had homozygous valine mutation; 2.8% had heterozygous isoleucine mutation; 8.5% had heterozygous valine mutation; and 2.8% had heterozygous methionine mutation, all of which were associated with flumethrin resistance. As a result, the rate of flumethrin resistance in parasites varied between 51% and 94% among different provinces.
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Affiliation(s)
- Ender Yarsan
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, 06100, Türkiye
| | | | - Sedat Sevin
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, 06100, Türkiye.
| | - Gökhan Akdeniz
- Apiculture Research Center, Aegean Agricultural Research Institute, İzmir, Türkiye
| | - Bekir Celebi
- Microbiology Reference Laboratory Department, General Directorate of Public Health, Ministry of Health, Ankara, Türkiye
| | | | - Sultan Nurhan Ayikol
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ankara University, Ankara, 06100, Türkiye
| | | | - Hasan Ese
- Apiculture Research Institute, Ordu, Türkiye
| | - Nuri Fidan
- Food Control Laboratory Directorate, Giresun, Türkiye
| | - Bayram Agacdiken
- Ordu-Kabadüz District Directorate of Agriculture and Forestry, Ordu, Türkiye
| | - Cahit Babur
- Microbiology Reference Laboratory Department, General Directorate of Public Health, Ministry of Health, Ankara, Türkiye
| | | | - Sinem Pehlivan
- Department of Medical Pharmacology, Faculty of Medicine, Ankara Medipol University, Ankara, Türkiye
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18
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Cazabonne J, Walker AK, Lesven J, Haelewaters D. Singleton-based species names and fungal rarity: Does the number really matter? IMA Fungus 2024; 15:7. [PMID: 38504339 PMCID: PMC10953280 DOI: 10.1186/s43008-023-00137-2] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 12/13/2023] [Indexed: 03/21/2024] Open
Abstract
Fungi are among the least known organisms on earth, with an estimated number of species between 1.5 and 10 million. This number is expected to be refined, especially with increasing knowledge about microfungi in undersampled habitats and increasing amounts of data derived from environmental DNA sequencing. A significant proportion of newly generated sequences fail to match with already named species, and thus represent what has been referred to as fungal "dark taxa". Due to the challenges associated with observing, identifying, and preserving sporophores, many macro- and microfungal species are only known from a single collection, specimen, isolate, and/or sequence-a singleton. Mycologists are consequently used to working with "rare" sequences and specimens. However, rarity and singleton phenomena lack consideration and valorization in fungal studies. In particular, the practice of publishing new fungal species names based on a single specimen remains a cause of debate. Here, we provide some elements of reflection on this issue in the light of the specificities of the fungal kingdom and global change context. If multiple independent sources of data support the existence of a new taxon, we encourage mycologists to proceed with formal description, irrespective of the number of specimens at hand. Although the description of singleton-based species may not be considered best practice, it does represent responsible science in the light of closing the Linnean biodiversity shortfall.
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Affiliation(s)
- Jonathan Cazabonne
- Ecology Research Group of Abitibi RCM, Forest Research Institute, Université du Québec en Abitibi-Témiscamingue, Amos, QC, J9T 2L8, Canada.
- Centre for Forest Research, Université du Québec à Montréal, Montreal, QC, H3C 3P8, Canada.
| | - Allison K Walker
- Department of Biology, Acadia University, Wolfville, NS, B4P 2R6, Canada
| | - Jonathan Lesven
- Laboratoire Chrono-Environnement, UMR 6249 CNRS, Université de Bourgogne Franche-Comté, 25000, Besançon, France
- Forest Research Institute, Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda, QC, J9X 5E4, Canada
| | - Danny Haelewaters
- Research Group Mycology, Department of Biology, Ghent University, 9000, Ghent, Belgium.
- Faculty of Science, University of South Bohemia, 370 05, Ceske Budejovice, Czech Republic.
- Department of Ecology and Evolutionary Biology, University of Colorado Boulder, Boulder, CO, 80309, USA.
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, 370 05, Ceske Budejovice, Czech Republic.
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19
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Ganesan S, Cortés-López M, Swett AD, Dai X, Hickey S, Chamely P, Hawkins AG, Juul S, Landau DA, Gaiti F. GoT-Splice protocol for multi-omics profiling of gene expression, cell-surface proteins, mutational status, and RNA splicing in human cells. STAR Protoc 2024; 5:102966. [PMID: 38512867 DOI: 10.1016/j.xpro.2024.102966] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/25/2024] [Accepted: 03/04/2024] [Indexed: 03/23/2024] Open
Abstract
Studying RNA splicing factor mutations is challenging due to difficulties in distinguishing wild-type and mutant cells within complex human tissues and inaccuracies associated with reconstructing splicing signals from short-read sequencing data. Here, we present Genotyping of Transcriptomes (GoT)-Splice, a protocol that overcomes these limitations by combining GoT with enhanced long-read single-cell transcriptome and cell-surface proteomics profiling. We describe steps for long-read library preparation and analysis, followed by cDNA re-amplification, enrichment of mutation of interest, sample indexing, and GoT library preparation. For complete details on the use and execution of this protocol, please refer to Cortés-López et al.1.
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Affiliation(s)
- Saravanan Ganesan
- New York Genome Center, New York, NY 10013, USA; Division of Hematology and Medical Oncology, Department of Medicine and Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA.
| | - Mariela Cortés-López
- New York Genome Center, New York, NY 10013, USA; Division of Hematology and Medical Oncology, Department of Medicine and Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA
| | - Ariel D Swett
- New York Genome Center, New York, NY 10013, USA; Division of Hematology and Medical Oncology, Department of Medicine and Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA
| | - Xiaoguang Dai
- Oxford Nanopore Technologies Inc., New York, NY 10013, USA
| | - Scott Hickey
- Oxford Nanopore Technologies Inc., Alameda, CA 94501-1170, USA
| | - Paulina Chamely
- New York Genome Center, New York, NY 10013, USA; Division of Hematology and Medical Oncology, Department of Medicine and Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA
| | - Allegra G Hawkins
- Childhood Cancer Data Lab, Alex's Lemonade Stand Foundation for Childhood Cancer, Wynnewood, PA 19096, USA
| | - Sissel Juul
- Oxford Nanopore Technologies Inc., New York, NY 10013, USA
| | - Dan A Landau
- New York Genome Center, New York, NY 10013, USA; Division of Hematology and Medical Oncology, Department of Medicine and Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA; Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY 10021, USA.
| | - Federico Gaiti
- University Health Network, Princess Margaret Cancer Centre, Toronto, ON M5G 0A3, Canada; University of Toronto, Medical Biophysics, Toronto, ON M5G 1L7, Canada.
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20
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Lykke-Andersen S, Rouvière JO, Schmid M, Gockert M, Jensen TH. Protocol for generating customizable and reproducible plots of sequencing coverage data using the seqNdisplayR package. STAR Protoc 2024; 5:102960. [PMID: 38502686 DOI: 10.1016/j.xpro.2024.102960] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/11/2023] [Accepted: 02/29/2024] [Indexed: 03/21/2024] Open
Abstract
The widespread usage of next-generation sequencing methods for functional genomics studies requires standardized tools for consistent visualization of the associated data. Here, we present seqNdisplayR, an R package for plotting standard sequencing data coverage within a genomic region of interest in a customizable and reproducible manner. We describe steps for installing software, preparing data files, choosing options, and plotting data. This tool is readily available for users with no prior experience with R through the "Shiny app" interface. For complete details on the use and execution of this protocol, please refer to Lykke-Andersen et al.,1 Gockert et al.,2 and Rouviere et al.3.
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Affiliation(s)
- Søren Lykke-Andersen
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, 8000 Aarhus C, Denmark.
| | - Jérôme O Rouvière
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, 8000 Aarhus C, Denmark
| | - Manfred Schmid
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, 8000 Aarhus C, Denmark
| | - Maria Gockert
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, 8000 Aarhus C, Denmark
| | - Torben Heick Jensen
- Department of Molecular Biology and Genetics, Aarhus University, Universitetsbyen 81, 8000 Aarhus C, Denmark.
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21
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Luan Z, Liu J, Li M, Wang Y, Wang Y. Exosomes derived from umbilical cord-mesenchymal stem cells inhibit the NF-κB/MAPK signaling pathway and reduce the inflammatory response to promote recovery from spinal cord injury. J Orthop Surg Res 2024; 19:184. [PMID: 38491537 PMCID: PMC10943766 DOI: 10.1186/s13018-024-04651-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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/28/2024] [Indexed: 03/18/2024] Open
Abstract
Spinal cord injury (SCI) is a serious traumatic disease of the central nervous system and leads to incomplete or complete loss of the body's autonomous motor and sensory functions, seriously endangering human health. Recently, exosomes have been proposed as important substances in cell-to-cell interactions. Mesenchymal stem cell (MSC)-derived exosomes exert good therapeutic effects and play a crucial role in neurological damage repair. However, the detailed mechanisms underlying their effects remain unknown. Herein, we found that compared to SCI rats, those subjected to umbilical cord MSC (UC-MSC)-derived exosomes injection showed an improved motor ability. Nevertheless, the transcriptome of BV2 microglia in different treatment groups indicated that the action pathway of exosomes might be the NF-κB/MAPK pathway. Additionally, exosomes from UC-MSCs could inhibit P38, JNK, ERK, and P65 phosphorylation in BV2 microglia and SCI rat tissues. Moreover, exosomes could inhibit apoptosis and inflammatory reaction and reactive oxygen species (ROS) production of BV2 microglia in vitro and in vivo. In conclusion, UC-MSCs-derived exosomes might protect SCI in rats by inhibiting inflammatory response via the NF-κB/MAPK signaling pathway, representing novel treatment targets or approaches for SCI.
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Affiliation(s)
- Zhiwei Luan
- Department of Orthopedic surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China
| | - Jingsong Liu
- Department of Orthopedic surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Mi Li
- Department of Orthopedic surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yangyang Wang
- Department of Orthopedic surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yansong Wang
- Department of Orthopedic surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
- NHC Key Laboratory of Cell Transplantation, Harbin Medical University, Harbin, China.
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, Harbin Medical University, Harbin, China.
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22
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Cinciripini PM, Wetter DW, Wang J, Yu R, Kypriotakis G, Kumar T, Robinson JD, Cui Y, Green CE, Bergen AW, Kosten TR, Scherer SE, Shete S. Deep sequencing of candidate genes identified 14 variants associated with smoking abstinence in an ethnically diverse sample. Sci Rep 2024; 14:6385. [PMID: 38493193 PMCID: PMC10944542 DOI: 10.1038/s41598-024-56750-7] [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: 07/18/2023] [Accepted: 03/11/2024] [Indexed: 03/18/2024] Open
Abstract
Despite the large public health toll of smoking, genetic studies of smoking cessation have been limited with few discoveries of risk or protective loci. We investigated common and rare variant associations with success in quitting smoking using a cohort from 8 randomized controlled trials involving 2231 participants and a total of 10,020 common and 24,147 rare variants. We identified 14 novel markers including 6 mapping to genes previously related to psychiatric and substance use disorders, 4 of which were protective (CYP2B6 (rs1175607105), HTR3B (rs1413172952; rs1204720503), rs80210037 on chr15), and 2 of which were associated with reduced cessation (PARP15 (rs2173763), SCL18A2 (rs363222)). The others mapped to areas associated with cancer including FOXP1 (rs1288980) and ZEB1 (rs7349). Network analysis identified significant canonical pathways for the serotonin receptor signaling pathway, nicotine and bupropion metabolism, and several related to tumor suppression. Two novel markers (rs6749438; rs6718083) on chr2 are flanked by genes associated with regulation of bodyweight. The identification of novel loci in this study can provide new targets of pharmacotherapy and inform efforts to develop personalized treatments based on genetic profiles.
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Affiliation(s)
- Paul M Cinciripini
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - David W Wetter
- Department of Department of Population Health Sciences, University of Utah and Huntsman Cancer Institute, Salt Lake City, Utah, 84112, USA
| | - Jian Wang
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Robert Yu
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - George Kypriotakis
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - Tapsi Kumar
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jason D Robinson
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Yong Cui
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Charles E Green
- Department of Pediatrics, The University of Texas Medical School at Houston, Houston, TX, 77030, USA
| | | | - Thomas R Kosten
- Department of Psychiatry, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Steven E Scherer
- Department of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Sanjay Shete
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
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23
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Gulko A, Essene A, Belmont-Rausch DM, Veregge M, Pant D, Tenen D, Kapel BS, Emont MP, Pers TH, Rosen ED, Tsai LT. Protocol for flow cytometry-assisted single-nucleus RNA sequencing of human and mouse adipose tissue with sample multiplexing. STAR Protoc 2024; 5:102893. [PMID: 38416649 PMCID: PMC10909897 DOI: 10.1016/j.xpro.2024.102893] [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: 10/15/2023] [Revised: 12/27/2023] [Accepted: 01/30/2024] [Indexed: 03/01/2024] Open
Abstract
Adipocyte size and fragility and commercial kit costs impose significant limitations on single-cell RNA sequencing of adipose tissue. Accordingly, we developed a workflow to isolate and sample-barcode nuclei from individual adipose tissue samples, integrating flow cytometry for quality control, counting, and precise nuclei pooling for direct loading onto the popular 10× Chromium controller. This approach can eliminate batch confounding, and significantly reduces poor-quality nuclei, ambient RNA contamination, and droplet loading-associated reagent waste, resulting in pronounced improvements in information content and cost efficiency.
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Affiliation(s)
- Anton Gulko
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | - Adam Essene
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | | | - Molly Veregge
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | - Deepti Pant
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | - Danielle Tenen
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | - Benedicte Schultz Kapel
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Margo P Emont
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
| | - Tune H Pers
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Evan D Rosen
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA
| | - Linus T Tsai
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA; Boston Nutrition and Obesity Research Center/Boston Area Diabetes and Endocrinology Research Center Functional Genomics and Bioinformatics Core, Boston, MA, USA.
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24
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Nemati N, Boeck N, Lamberti G, Lisandrelli R, Trajanoski Z. Protocol for functional profiling of patient-derived organoids for precision oncology. STAR Protoc 2024; 5:102887. [PMID: 38367233 PMCID: PMC10879781 DOI: 10.1016/j.xpro.2024.102887] [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: 12/22/2023] [Revised: 01/18/2024] [Accepted: 01/29/2024] [Indexed: 02/19/2024] Open
Abstract
Functional precision oncology-a strategy based on perturbing primary tumor cells from cancer patients-could provide a road forward for personalized treatment. Here, we present a comprehensive protocol covering generation and culture of patient-derived colorectal organoids, isolation and expansion of tumor-infiltrating lymphocytes (TILs), and isolation and culture of peripheral blood mononuclear cells (PBMCs). With this protocol, samples fulfilling the demands for performing multi-omics analysis, e.g., RNA sequencing (RNA-seq), whole-exome sequencing (WES), single-cell RNA sequencing (scRNA-seq), and (phospho-)proteomics, can be generated. For complete details on the use and execution of this protocol, please refer to Plattner et al. (2023).1.
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Affiliation(s)
- Niloofar Nemati
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Nina Boeck
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Giorgia Lamberti
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Rebecca Lisandrelli
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Zlatko Trajanoski
- Biocenter, Institute of Bioinformatics, Medical University of Innsbruck, 6020 Innsbruck, Austria.
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25
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Nguyen AD, Haines C, Price MJ, Dalton TE, Baëta CD, Hockenberry HA, Goodwin CR. Single-cell RNA sequencing comparison of the human metastatic prostate spine tumor microenvironment. STAR Protoc 2024; 5:102805. [PMID: 38341849 PMCID: PMC10867439 DOI: 10.1016/j.xpro.2023.102805] [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: 09/25/2023] [Revised: 11/20/2023] [Accepted: 12/13/2023] [Indexed: 02/13/2024] Open
Abstract
Spinal column tumors can be difficult to process for single-cell omic studies, given the heterogeneity in tissue. Here, we present a protocol for operating room-to-benchtop single-cell processing of clinical specimens from a prostate cancer patient. We describe steps for sample homogenization, red blood cell lysis, cryopreservation, and single-cell sequencing analysis. This protocol can be used to identify prognostic markers and therapeutic targets for patients with osseous spine metastases and better inform eligibility for clinical trials.
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Affiliation(s)
- Annee D Nguyen
- Department of Neurosurgery, Duke University Medical Center, 200 Trent Dr, Durham, NC 27710, USA
| | - Corinne Haines
- Department of Molecular Genetics, Ohio State University, 1060 Carmack Road, Columbus, OH 43210, USA
| | - Meghan J Price
- Department of Medicine, John Hopkins Hospital, 1800 Orleans St, Baltimore, MD 21287, USA
| | - Tara E Dalton
- Department of Neurosurgery, Duke University Medical Center, 200 Trent Dr, Durham, NC 27710, USA
| | - César D Baëta
- Center for Population Health Sciences, Stanford University, 1701 Page Mill Road, Palo Alto, CA 94304, USA
| | - Harrison A Hockenberry
- Department of Neurosurgery, Duke University Medical Center, 200 Trent Dr, Durham, NC 27710, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Duke University Medical Center, 200 Trent Dr, Durham, NC 27710, USA.
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26
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Sun N, Shao H, Zhang Y, Ci B, Yao H, Bai B, Tan T. Establishing a 3D culture system for early organogenesis of monkey embryos ex vivo and single-cell transcriptome analysis of cultured embryos. STAR Protoc 2024; 5:102835. [PMID: 38224493 PMCID: PMC10826423 DOI: 10.1016/j.xpro.2023.102835] [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: 10/09/2023] [Revised: 11/30/2023] [Accepted: 12/27/2023] [Indexed: 01/17/2024] Open
Abstract
Creating in vitro culture platforms for monkey embryos is crucial for understanding the initial 4 weeks of early primate embryogenesis. Here, we present a protocol to culture cynomolgus monkey embryos in vitro for 25 days post-fertilization and to delineate the key developmental events of gastrulation and early organogenesis. We describe steps for culturing with a 3D system, immunofluorescence analysis, single-cell RNA sequencing, and bioinformatic analysis. For complete details on the use and execution of this protocol, please refer to Gong et al. (2023).1.
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Affiliation(s)
- Nianqin Sun
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China.
| | - Honglian Shao
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Youyue Zhang
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Baiquan Ci
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Hui Yao
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China
| | - Bing Bai
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China.
| | - Tao Tan
- State Key Laboratory of Primate Biomedical Research, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan 650500, China.
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27
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Jiang Y, Li Y, Cheng M, Xu J, Wei X, Liu C. Protocol for acquiring high-quality fresh mouse lung spatial transcriptomics data. STAR Protoc 2024; 5:102825. [PMID: 38280199 PMCID: PMC10840344 DOI: 10.1016/j.xpro.2023.102825] [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: 09/28/2023] [Revised: 11/08/2023] [Accepted: 12/19/2023] [Indexed: 01/29/2024] Open
Abstract
Spatial transcriptomics analysis allows the examination of the biological characteristics and spatial distribution of individual lung cells at a single-cell resolution. However, due to the presence of cavities in the alveoli of the lungs, it is challenging to section them for spatial transcriptomics experiments. Here, we present a protocol for acquiring high-quality fresh mouse lung spatial transcriptomics data. We describe steps for lung perfusion, acquiring frozen slices, collecting cDNA from lung sections, and data analysis. For complete details on the use and execution of this protocol, please refer to Jiang et al.1.
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Affiliation(s)
- Yujia Jiang
- BGI Research, Hangzhou 310030, China; Department of Biology, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Yixin Li
- BGI Research, Hangzhou 310030, China; College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Mengnan Cheng
- BGI Research, Hangzhou 310030, China; BGI Research, Shenzhen 518083, China
| | - Jiangshan Xu
- BGI Research, Hangzhou 310030, China; BGI Research, Shenzhen 518083, China
| | - Xiaoyu Wei
- BGI Research, Hangzhou 310030, China; BGI Research, Shenzhen 518083, China.
| | - Chuanyu Liu
- BGI Research, Hangzhou 310030, China; BGI Research, Shenzhen 518083, China; Shanxi Medical University - BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
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28
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Chen H, Wei C, Lin Z, Pei J, Pan H, Li H. Protocol to retrieve unknown flanking DNA sequences using semi-site-specific PCR-based genome walking. STAR Protoc 2024; 5:102864. [PMID: 38308839 PMCID: PMC10850853 DOI: 10.1016/j.xpro.2024.102864] [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: 09/01/2023] [Revised: 11/21/2023] [Accepted: 01/18/2024] [Indexed: 02/05/2024] Open
Abstract
Here, we describe a protocol based on semi-site-specific primer PCR (3SP-PCR) to access unknown flanking DNA sequences. We specify the guidelines for designing primers for 3SP-PCR. We also describe experimental procedures for the 3SP-PCR, along with PCR product purification and subsequent sequencing and analysis. For complete details on the use and execution of this protocol, please refer to Wei et al.1.
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Affiliation(s)
- Hong Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China
| | - Cheng Wei
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China
| | - Zhiyu Lin
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China; School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, P.R. China
| | - Jinfen Pei
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China
| | - Hao Pan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China; School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, P.R. China
| | - Haixing Li
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P.R. China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China.
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29
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Santhanagopalan I, Netzl A, Mathur T, Smith A, Griffiths H, Holzer A. Protocol to isolate nuclei from Chlamydomonas reinhardtii for ATAC sequencing. STAR Protoc 2024; 5:102764. [PMID: 38236771 PMCID: PMC10828896 DOI: 10.1016/j.xpro.2023.102764] [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: 07/13/2023] [Revised: 10/13/2023] [Accepted: 11/21/2023] [Indexed: 02/03/2024] Open
Abstract
The isolation of sufficient amounts of intact nuclei is essential to obtain high-resolution maps of chromatin accessibility via assay for transposase-accessible chromatin using sequencing (ATAC-seq). Here, we present a protocol for tag-free isolation of nuclei from both cell walled and cell wall-deficient strains of the green model alga Chlamydomonas reinhardtii at a suitable quality for ATAC-seq. We describe steps for nuclei isolation, quantification, and downstream ATAC-seq. This protocol is optimized to shorten the time of isolation and quantification of nuclei.
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Affiliation(s)
- Indu Santhanagopalan
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK.
| | - Antonia Netzl
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK; Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK
| | - Tanya Mathur
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK; Institute of Molecular Plant Sciences, University of Edinburgh, Edinburgh EH9 3BF, UK
| | - Alison Smith
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK
| | - Howard Griffiths
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK
| | - Andre Holzer
- Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EA, UK; Center for Bioinformatics and Department of Computer Science, Saarland University, 66123 Saarbrücken, Germany.
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30
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Marinov GK, Kundaje A, Greenleaf WJ, Grossman AR. Protocol for mapping the three-dimensional organization of dinoflagellate genomes. STAR Protoc 2024; 5:102941. [PMID: 38483898 PMCID: PMC10950746 DOI: 10.1016/j.xpro.2024.102941] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/28/2023] [Accepted: 02/22/2024] [Indexed: 03/24/2024] Open
Abstract
Dinoflagellate genomes often are very large and difficult to assemble, which has until recently precluded their analysis with modern functional genomic tools. Here, we present a protocol for mapping three-dimensional (3D) genome organization in dinoflagellates and using it for scaffolding their genome assemblies. We describe steps for crosslinking, nuclear lysis, denaturation, restriction digest, ligation, and DNA shearing and purification. We then detail procedures sequencing library generation and computational analysis, including initial Hi-C read mapping and 3D-DNA scaffolding/assembly correction. For complete details on the use and execution of this protocol, please refer to Marinov et al.1.
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Affiliation(s)
- Georgi K Marinov
- Department of Genetics, Stanford University, Stanford, CA 94305, USA.
| | - Anshul Kundaje
- Department of Genetics, Stanford University, Stanford, CA 94305, USA; Department of Computer Science, Stanford University, Stanford, CA 94305, USA
| | - William J Greenleaf
- Department of Genetics, Stanford University, Stanford, CA 94305, USA; Department of Applied Physics, Stanford University, Stanford, CA 94305, USA; Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA 94305, USA; Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Arthur R Grossman
- Carnegie Institution for Science, Division of Biosphere Sciences and Engineering, Stanford, CA 94305, USA
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31
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Fakhrieh-Kashan Z, Fotouhi-Ardakani R, Zahabiun F, Sharifdini M, Kia EB. Application of Nested-qPCR-High Resolution Melting (HRM) Technology on Strongyloides stercoralis Isolates from Iran. Acta Parasitol 2024:10.1007/s11686-024-00821-2. [PMID: 38470530 DOI: 10.1007/s11686-024-00821-2] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 01/31/2024] [Indexed: 03/14/2024]
Abstract
PURPOSE Strongyloides stercoralis is a parasite with special characteristics presenting it as a unique nematode. Iran is an endemic area for S. stercoralis. In this study, nested-qPCR-high resolution melting (HRM) technology was applied on some human isolates of S. stercoralis from this country by focusing on evolutionary genetics analysis. METHODS Twelve human isolates of S. stercoralis were collected from four endemic provinces of Iran. Genomic DNA was extracted from a single filariform larva for every isolate. Using specific primers targeting partial regions in cox1 gene, nested-qPCR-HRM was performed and melting-curve profiles were analyzed alongside the evaluation of genetic proximity and phylogenetic analysis using MEGA7 and DnaSP5 software. RESULTS The melting temperature (Tm) values of the isolates were 77.9 °C-78.3 °C. All isolates from Guilan, Mazandaran, and Khouzestan Provinces shared Tm values of 78.2 °C to 78.3 °C, while the isolates from Hormozgan Province showed Tm values of 77.9 °C, 78.0 °C, and 78.1 °C. The phylogenetic tree illustrated that the sequences of the current study included nine haplotypes. Tajima's D index analyses showed that cox1 gene in S. stercoralis isolates was negative (Tajima's D = - 0.27). CONCLUSION The isolates were divided into five temperature groups. Although HRM assay compared to PCR sequencing identified more limited genetic changes, it revealed that the mean of Tm of the isolates from Hormozgan Province was lower than those of other provinces and represented specific haplotypes for this geographical region on the phylogenetic tree.
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Affiliation(s)
- Zohreh Fakhrieh-Kashan
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Fotouhi-Ardakani
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Farzaneh Zahabiun
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Meysam Sharifdini
- Department of Medical Parasitology and Mycology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Eshrat Beigom Kia
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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de Oliveira Martins L, Mather AE, Page AJ. Scalable neighbour search and alignment with uvaia. PeerJ 2024; 12:e16890. [PMID: 38464752 PMCID: PMC10924453 DOI: 10.7717/peerj.16890] [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: 03/07/2023] [Accepted: 01/15/2024] [Indexed: 03/12/2024] Open
Abstract
Despite millions of SARS-CoV-2 genomes being sequenced and shared globally, manipulating such data sets is still challenging, especially selecting sequences for focused phylogenetic analysis. We present a novel method, uvaia, which is based on partial and exact sequence similarity for quickly extracting database sequences similar to query sequences of interest. Many SARS-CoV-2 phylogenetic analyses rely on very low numbers of ambiguous sites as a measure of quality since ambiguous sites do not contribute to single nucleotide polymorphism (SNP) differences. Uvaia overcomes this limitation by using measures of sequence similarity which consider partially ambiguous sites, allowing for more ambiguous sequences to be included in the analysis if needed. Such fine-grained definition of similarity allows not only for better phylogenetic analyses, but could also lead to improved classification and biogeographical inferences. Uvaia works natively with compressed files, can use multiple cores and efficiently utilises memory, being able to analyse large data sets on a standard desktop.
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Affiliation(s)
| | - Alison E. Mather
- Quadram Institute Bioscience, Norwich, United Kingdom
- University of East Anglia, Norwich, United Kingdom
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Khazal RM, Flaih MH, Kadhim MK, Hussein KR. Genetic Diversity of Leishmania major Isolated from Different Dermal Lesions Using ITS2 Region. Acta Parasitol 2024:10.1007/s11686-024-00817-y. [PMID: 38436865 DOI: 10.1007/s11686-024-00817-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 01/24/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND AND OBJECTIVE Cutaneous leishmaniasis (CL) is still considered to be an uncontrolled endemic disease that spreads in many countries. The current study aimed to determine intra-species relationships of L. major using ITS2 sequencing. METHODS The study was conducted from the beginning of March to the end of November 2022. All medical information regarding CL was collected from patients of Thi-Qar province who attended the Dermatology Department of Al-Hussein Teaching Hospital in Nasiriyah city. Seventy-three samples were selected for the molecular identification after confirming microscopy with Giemsa stain. In this study, the primers were designed using NCBI GenBank sequence database and Primer 3 plus primer design online software. RESULTS The results recorded 21 (28.77%) positive samples of L. major using the internal transcribed spacer 2 region (ITS2) in ribosomal RNA gene. The local L. major IQN.1-IQN.10 were submitted to NCBI GenBank database with accession numbers OM069357.1-OM069366.1, respectively. The phylogenetic analysis revealed that local isolates of L. major showed a close relationship with NCBI-BLAST L. major Iran isolate (KU680848.1). CONCLUSION ITS2-PCR is suitable for identifying Leishmania spp. and determining genetic diversity. A phylogenetic data analysis may provide an idea on the genetic homogeneity of local isolates and knowing the genetic origin of the dermal lesion. However, the local isolates showed genetic proximity to the KU680848.1 isolate. This signifies the possibility of infection prevalence from Iranian areas. In general, genetic variation of L. major isolates may give several clinical manifestations of the cutaneous lesion. Therefore, determination of the heterogeneity is important for detecting the infection origin, epidemiology, therapy, and control strategies.
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Affiliation(s)
- Ruaa M Khazal
- Department of Medical Laboratory Techniques, Nasiriyah Technical Institute, Southern Technical University, Nasiriyah, 64001, Iraq
| | - Mohammed H Flaih
- Department of Nursing Techniques, Nasiriyah Technical Institute, Southern Technical University, Nasiriyah, 64001, Iraq.
| | - Manar K Kadhim
- Education Directorate of Thi-Qar, Ministry of Education, Nasiriyah, 64001, Iraq
| | - Khwam R Hussein
- Department of Nursing Techniques, Nasiriyah Technical Institute, Southern Technical University, Nasiriyah, 64001, Iraq
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Thorpe J, Sawaengdee W, Ward D, Campos M, Wichukchinda N, Chaiyasirinroje B, Thanraka A, Chumpol J, Phelan JE, Campino S, Mahasirimongkol S, Clark TG. Multi-platform whole genome sequencing for tuberculosis clinical and surveillance applications. Sci Rep 2024; 14:5201. [PMID: 38431684 PMCID: PMC10908857 DOI: 10.1038/s41598-024-55865-1] [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: 12/29/2023] [Accepted: 02/28/2024] [Indexed: 03/05/2024] Open
Abstract
Whole genome sequencing (WGS) of Mycobacterium tuberculosis offers valuable insights for tuberculosis (TB) control. High throughput platforms like Illumina and Oxford Nanopore Technology (ONT) are increasingly used globally, although ONT is known for higher error rates and is less established for genomic studies. Here we present a study comparing the sequencing outputs of both Illumina and ONT platforms, analysing DNA from 59 clinical isolates in highly endemic TB regions of Thailand. The resulting sequence data were used to profile the M. tuberculosis pairs for their lineage, drug resistance and presence in transmission chains, and were compared to publicly available WGS data from Thailand (n = 1456). Our results revealed isolates that are predominantly from lineages 1 and 2, with consistent drug resistance profiles, including six multidrug-resistant strains; however, analysis of ONT data showed longer phylogenetic branches, emphasising the technologies higher error rate. An analysis incorporating the larger dataset identified fifteen of our samples within six potential transmission clusters, including a significant clade of 41 multi-drug resistant isolates. ONT's extended sequences also revealed strain-specific structural variants in pe/ppe genes (e.g. ppe50), which are candidate loci for vaccine development. Despite some limitations, our results show that ONT sequencing is a promising approach for TB genomic research, supporting precision medicine and decision-making in areas with less developed infrastructure, which is crucial for tackling the disease's significant regional burden.
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Affiliation(s)
- Joseph Thorpe
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Waritta Sawaengdee
- Department of Medical Sciences, Medical Genetics Center, Medical Life Sciences Institute, Ministry of Public Health, Nonthaburi, 11000, Thailand
| | - Daniel Ward
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Monica Campos
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Nuanjun Wichukchinda
- Department of Medical Sciences, Medical Genetics Center, Medical Life Sciences Institute, Ministry of Public Health, Nonthaburi, 11000, Thailand
| | | | - Aungkana Thanraka
- Department of Medical Technology, Chiangrai Prachanukroh Hospital, Chiang Rai, 57000, Thailand
| | - Jaluporn Chumpol
- The Office of Disease Prevention and Control 7, Khon Kaen, 40000, Thailand
| | - Jody E Phelan
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Susana Campino
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Surakameth Mahasirimongkol
- Department of Medical Sciences, Medical Genetics Center, Medical Life Sciences Institute, Ministry of Public Health, Nonthaburi, 11000, Thailand
| | - Taane G Clark
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK.
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McKenzie T, Hale GM, Miner A, Colón Colón J, Evins G, Wade J. Investigating the place of sodium-glucose cotransporter-2 inhibitors and dual sodium-glucose cotransporter-1 and dual sodium-glucose cotransporter-2 inhibitors in heart failure therapy: a systematic review of the literature. Heart Fail Rev 2024; 29:549-558. [PMID: 38300379 DOI: 10.1007/s10741-024-10388-9] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/24/2024] [Indexed: 02/02/2024]
Abstract
Sodium-glucose cotransporter-2 inhibitors have been shown to have significant metabolic, renal, and atherosclerotic cardiovascular disease benefits. Recent randomized controlled trials have extended these benefits to patients with heart failure. In fact, the robust findings from these studies in patients with any type of heart failure have led to the incorporation of this drug class in currently updated evidence-based guidelines for this condition. However, given the novelty in utilizing these agents in heart failure, there is uncertainty regarding place in therapy and sequencing in treatment. As such, this review aims to summarize existing literature to guide practitioners regarding the use of these agents in the management of heart failure.
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Affiliation(s)
- Taylor McKenzie
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA
| | - Genevieve M Hale
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA.
| | - Amelia Miner
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA
| | - Jean Colón Colón
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA
| | - Garrett Evins
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA
| | - Jasmine Wade
- Nova Southeastern University Barry and Judy Silverman College of Pharmacy, 11501 North Military Trail Palm Beach Gardens, Florida, 33410,, USA
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36
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Güvendi M, Can H, Köseoğlu AE, Erkunt Alak S, Ün C. First report of a novel 108 bp deletion and five novel SNPs in PRNP gene of stray cats and in silico analysis of their possible relation with feline spongiform encephalopathy. Top Companion Anim Med 2024; 59:100859. [PMID: 38508487 DOI: 10.1016/j.tcam.2024.100859] [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: 01/27/2023] [Revised: 01/03/2024] [Accepted: 03/14/2024] [Indexed: 03/22/2024]
Abstract
Prion diseases are fatal neurodegenerative diseases affecting humans and animals. A relationship between variations in the prion gene of some species and susceptibility to prion diseases has been detected. However, variations in the prion protein of cats that have close contact with humans and their effect on prion protein are not well-known. Therefore, this study aimed to investigate the variations of prion protein-encoding gene (PRNP gene) in stray cats and to evaluate variants detected in terms of genetic factors associated with susceptibility or resistance to feline spongiform encephalopathy using bioinformatics tools. For this, cat DNA samples were amplified by a PCR targeting PRNP gene and then sequenced to reveal the variations. Finally, the effects of variants on prion protein were predicted by bioinformatics tools. According to the obtained results, a novel 108 bp deletion and nine SNPs were detected. Among SNPs, five (c314A>G, c.454T>A, c.579G>C, c.642G>C and c.672G>C) were detected for the first time in this study. Bioinformatics findings showed that c.579G>C (Q193H), c.454T>A (Y152N) and c.457G>A (E153K) variants have deleterious effects on prion protein and c.579G>C (Q193H) has high amyloid propensities. This study demonstrates prion protein variants of stray cats and their deleterious effects on prion protein for the first time.
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Affiliation(s)
- Mervenur Güvendi
- Ege University Faculty of Science, Department of Biology, Molecular Biology Section, İzmir, Türkiye
| | - Hüseyin Can
- Ege University Faculty of Science, Department of Biology, Molecular Biology Section, İzmir, Türkiye
| | - Ahmet Efe Köseoğlu
- Biruni University, Faculty of Engineering and Natural Sciences, Department of Molecular Biology and Genetics, İstanbul, Türkiye
| | - Sedef Erkunt Alak
- Ege University Faculty of Science, Department of Biology, Molecular Biology Section, İzmir, Türkiye
| | - Cemal Ün
- Ege University Faculty of Science, Department of Biology, Molecular Biology Section, İzmir, Türkiye.
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Mehdizadeh A, Soleimani M, Amjadi F, Sene AA, Sheikhha MH, Dehghani A, Ashourzadeh S, Aali BS, Dabiri S, Zandieh Z. Implication of Novel BMP15 and GDF9 Variants in Unexpected Poor Ovarian Response. Reprod Sci 2024; 31:840-850. [PMID: 37848645 DOI: 10.1007/s43032-023-01370-1] [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: 06/14/2023] [Accepted: 09/22/2023] [Indexed: 10/19/2023]
Abstract
Unexpected poor ovarian response (UPOR) occurs when nine or fewer oocytes are retrieved from a young patient with normal ovarian reserve. Bone morphogenetic protein15 (BMP15) and growth differentiation factor 9 (GDF9) are two oocyte-specific factors with pivotal role in folliculogenesis. The aim of this study was to assess the relation between BMP15 and GDF9 variants with UPOR. Hundred women aged ≤ 39 with AMH ≥ 1.27 IU/ml participated as UPOR and normal ovarian responders (NOR) based on their oocyte number. Each group consisted of 50 patients. After genomic DNA extraction, the entire exonic regions of BMP15 and GDF9 were amplified and examined by direct sequencing. Western blotting was performed to determine the expression levels of BMP15 and GDF9 in follicular fluid. Additionally, in silico analysis was applied to predict the effect of discovered mutations. From four novel variants of BMP15 and GDF9 genes, silent mutations (c.744 T > C) and (c.99G > A) occurred in both groups, whereas missense variants: c.967-968insA and c.296A > G were found exclusively in UPORs. The latter variants caused reduction in protein expression. Moreover, the mutant allele (T) in a GDF9 polymorphism (C447T) found to be more in NOR individuals (58% NOR vs. 37% UPOR (OR = 2.3, CI 1.32-4.11, p = 0.004).The novel missense mutations which were predicted as damaging, along with other mutations that happened in UPORs might result in ovarian resistance to stimulation. The mutant allele (T) in C447T polymorphism has a protective effect. It can be concluded that there is an association between BMP15 and GDF9 variants and follicular development and ovarian response.
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Affiliation(s)
- Anahita Mehdizadeh
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mansoureh Soleimani
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemehsadat Amjadi
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Shahid Akbarabadi Clinical Research Development Unit (ShACRDU), Iran University of Medical Sciences, Tehran, Iran
| | - Azadeh Akbari Sene
- Shahid Akbarabadi Clinical Research Development Unit (ShACRDU), Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hassan Sheikhha
- Department of Medical Genetics, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Dehghani
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sareh Ashourzadeh
- Afzalipour Clinical Center for Infertility, Kerman University of Medical Sciences, Kerman, Iran
| | - Bibi Shahnaz Aali
- FRANZCOG Rockingham Peel Group, South Metropolitan Health Service, Murdoch, Australia
| | - Shahriar Dabiri
- Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Zahra Zandieh
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Shahid Akbarabadi Clinical Research Development Unit (ShACRDU), Iran University of Medical Sciences, Tehran, Iran.
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Gaston DC, Chiang AD, Dee K, Dulek D, Banerjee R, Humphries RM. Diagnostic Stewardship for Next-Generation Sequencing Assays in Clinical Microbiology: An Appeal for Thoughtful Collaboration. Clin Lab Med 2024; 44:63-73. [PMID: 38280798 DOI: 10.1016/j.cll.2023.10.002] [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: 01/29/2024]
Abstract
Next-generation sequencing (NGS)-based assays are primarily available from reference laboratories for diagnostic use. These tests can provide helpful diagnostic data but also can be overused by ordering providers not fully understanding their limitations. At present, there are few best practice guidelines for use. NGS-based assays can carry a high cost to institutions and individual patients, requiring thoughtful use through application of diagnostic stewardship principles. This article provides an overview of diagnostic stewardship approaches as applied to these assays, focusing on principles of collaboration, differential diagnosis formation, and seeking the best patient, syndrome, sample, timing, and test for improved patient care.
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Affiliation(s)
- David C Gaston
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, 1301 Medical Center Drive TVC 4519, Nashville, TN 37232, USA.
| | - Augusto Dulanto Chiang
- Division of Infectious Diseases, Vanderbilt University Medical Center, 1211 21st Avenue South, Suite 102A, Nashville, TN 37232, USA
| | - Kevin Dee
- Division of Infectious Diseases, Vanderbilt University Medical Center, 1211 21st Avenue South, Suite 102A, Nashville, TN 37232, USA
| | - Daniel Dulek
- Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, 1161 21st Avenue South, Medical Center North D7234, Nashville, TN 37232, USA
| | - Ritu Banerjee
- Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, 1161 21st Avenue, Medical Center North D7227, Nashville, TN 37232, USA
| | - Romney M Humphries
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, 1301 Medical Center Drive TVC 4519, Nashville, TN 37232, USA
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You Y, Chen Z, Hu WW. The role of microglia heterogeneity in synaptic plasticity and brain disorders: Will sequencing shed light on the discovery of new therapeutic targets? Pharmacol Ther 2024; 255:108606. [PMID: 38346477 DOI: 10.1016/j.pharmthera.2024.108606] [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: 10/31/2023] [Revised: 01/05/2024] [Accepted: 02/02/2024] [Indexed: 02/18/2024]
Abstract
Microglia play a crucial role in interacting with neuronal synapses and modulating synaptic plasticity. This function is particularly significant during postnatal development, as microglia are responsible for removing excessive synapses to prevent neurodevelopmental deficits. Dysregulation of microglial synaptic function has been well-documented in various pathological conditions, notably Alzheimer's disease and multiple sclerosis. The recent application of RNA sequencing has provided a powerful and unbiased means to decipher spatial and temporal microglial heterogeneity. By identifying microglia with varying gene expression profiles, researchers have defined multiple subgroups of microglia associated with specific pathological states, including disease-associated microglia, interferon-responsive microglia, proliferating microglia, and inflamed microglia in multiple sclerosis, among others. However, the functional roles of these distinct subgroups remain inadequately characterized. This review aims to refine our current understanding of the potential roles of heterogeneous microglia in regulating synaptic plasticity and their implications for various brain disorders, drawing from recent sequencing research and functional studies. This knowledge may aid in the identification of pathogenetic biomarkers and potential factors contributing to pathogenesis, shedding new light on the discovery of novel drug targets. The field of sequencing-based data mining is evolving toward a multi-omics approach. With advances in viral tools for precise microglial regulation and the development of brain organoid models, we are poised to elucidate the functional roles of microglial subgroups detected through sequencing analysis, ultimately identifying valuable therapeutic targets.
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Affiliation(s)
- Yi You
- Department of Pharmacology and Department of Pharmacy of the Second Affiliated Hospital, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, School of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Zhong Chen
- Department of Pharmacology and Department of Pharmacy of the Second Affiliated Hospital, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, School of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China; Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Wei-Wei Hu
- Department of Pharmacology and Department of Pharmacy of the Second Affiliated Hospital, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, School of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China.
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Wu X, Xiu W, Zhou N, Zhang J, Hao X, Dong Q. Identifying a novel PHOX2B gene variant in a neuroblastoma family: A case report. Heliyon 2024; 10:e26581. [PMID: 38420445 PMCID: PMC10900999 DOI: 10.1016/j.heliyon.2024.e26581] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
Neuroblastoma is a childhood cancer characterized by the formation of tumors derived from neuroblasts. Identifying the genetic mutations underlying neuroblastoma for genetic counseling and early diagnosis is essential. Thus, this study aimed to screen for pathogenic gene variants within a neuroblastoma family, aiming to contribute to genetic counseling practices. Clinical data was collected from a family affected by neuroblastoma, and peripheral blood DNA samples were obtained from all family members. A combination of whole-exome sequencing and Sanger sequencing was utilized to detect potential gene mutations. Proband 1 and her sister (Proband 2) were diagnosed with neuroblastoma, while their parents and siblings were unaffected. The analysis revealed a novel missense mutation, c.422G > A (p.Arg141Gln), in the PHOX2B gene, which was inherited from the mother. Notably, this mutation represents a previously unreported variant within the PHOX2B gene. Detecting the missense mutation c.422G > A (p.Arg141Gln) in the PHOX2B gene implies its potential pathogenic role within this neuroblastoma family. This finding widens the range of mutations observed in the PHOX2B gene and has important implications for early neuroblastoma diagnosis within this family.
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Affiliation(s)
- Xiongwei Wu
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Wenli Xiu
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Na Zhou
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jingli Zhang
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiwei Hao
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Qian Dong
- Department of Pediatric Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
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Hong SH, Kim TM. High-resolution genomic configuration of FGFR rearrangements dictates the therapeutic vulnerability of squamous cell lung cancers. Transl Lung Cancer Res 2024; 13:236-239. [PMID: 38496689 PMCID: PMC10938093 DOI: 10.21037/tlcr-23-705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/10/2024] [Indexed: 03/19/2024]
Affiliation(s)
- Sook-Hee Hong
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tae-Min Kim
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Medical Informatics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- CMC Institute for Basic Medical Science, the Catholic Medical Center of The Catholic University of Korea, Seoul, Republic of Korea
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Zhu F, Lu J, Sun K, Deng C, Xu Y. Polyploidization of Indotyphlops braminus: evidence from isoform- sequencing. BMC Genom Data 2024; 25:23. [PMID: 38408920 PMCID: PMC10895795 DOI: 10.1186/s12863-024-01208-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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 02/14/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND Indotyphlops braminus, the only known triploid parthenogenetic snake, is a compelling species for revealing the mechanism of polyploid emergence in vertebrates. METHODS In this study, we applied PacBio isoform sequencing technology to generate the first full-length transcriptome of I. braminus, aiming to improve the understanding of the molecular characteristics of this species. RESULTS A total of 51,849 nonredundant full-length transcript assemblies (with an N50 length of 2980 bp) from I. braminus were generated and fully annotated using various gene function databases. Our analysis provides preliminary evidence supporting a recent genome duplication event in I. braminus. Phylogenetic analysis indicated that the divergence of I. braminus subgenomes occurred approximately 11.5 ~ 15 million years ago (Mya). The full-length transcript resource generated as part of this research will facilitate transcriptome analysis and genomic evolution studies in the future.
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Affiliation(s)
- Fei Zhu
- School of Life Sciences, Guizhou Normal University, 550025, Guiyang, Guizhou, China.
| | - Jing Lu
- School of Life Sciences, Guizhou Normal University, 550025, Guiyang, Guizhou, China
| | - Ke Sun
- School of Life Sciences, Guizhou Normal University, 550025, Guiyang, Guizhou, China
| | - Cao Deng
- Department of Bioinformatics, DNA Stories Bioinformatics Center, 610000, Chengdu, China
| | - Yu Xu
- School of Life Sciences, Guizhou Normal University, 550025, Guiyang, Guizhou, China
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Shen S, Meng J, Zhang T, Zhou C, Xu Y. Purification effect and microbial community structure of bio filter on rural dispersed sewage. Heliyon 2024; 10:e25301. [PMID: 38317885 PMCID: PMC10839599 DOI: 10.1016/j.heliyon.2024.e25301] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/16/2024] [Accepted: 01/24/2024] [Indexed: 02/07/2024] Open
Abstract
Taking rural dispersed sewage for research objects, the treatment effect and microbial community structure characteristics of a bio filter (BF) reactor was studied. At fixed time and location, the removal efficiencies of common pollutants were investigated. By using high-throughput sequencing method, the heterogeneities of microbial community structure in fillers and plant roots were analyzed. The results showed that the average annual removal rates of CODCr, NH3-N, TN, and TP by the BF were 83.10 %, 65.67 %, 60.25 %, and 80.32 % respectively, and the effluent could reach the first grade of the water pollutant discharge standard of rural sewage treatment facility (DB51/2626-2019). During the sewage treatment process, Scindapsus could effectively establish complex and stable microbial communities, and could better degrade pollutants, especially nitrogen removal. The dominant microbial communities were more than 11 phyla and 19 classes. At the genus level, the dominant bacteria included Nitrospira, Arthrobacter, Rhodoplanes, etc.
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Affiliation(s)
- Songtao Shen
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Junlong Meng
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Tuodi Zhang
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Chuanhui Zhou
- School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Yingyi Xu
- School of Culture and Education, Tianfu College of Southwestern University of Finance and Economics, Mianyang, 621010, China
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Tynybayeva I, Tekebayeva Z, Bissenova G, Mynbayeva M, Sarmurzina Z. Multilocus genotyping for classification and genetic structuring of Lactobacillus casei: insights from source and geographical origin. World J Microbiol Biotechnol 2024; 40:93. [PMID: 38349588 DOI: 10.1007/s11274-024-03898-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: 10/16/2023] [Accepted: 01/12/2024] [Indexed: 02/15/2024]
Abstract
The aim of the study in this article is to systematise the newly introduced strains of Lactobacillus based on determining the nucleotide sequence of a particular set of their genes (loci). The primary approach employed to address this issue involves conducting a laboratory experiment. During this experiment, a thorough examination was carried out on a set of organic compounds consisting of small DNA elements from the Lactobacillus genus. The Multilocus genotyping method served as the central technique, complemented by additional molecular-biological and population methods. These additional methods were utilized to determine the extent of phylogenetic similarity among pure cultures of Lactobacillus and to classify them accordingly. The article presents the gene isolates that were used for Multilocus typing; the number of L. casei isolates suitable for Multilocus genotyping was revealed; the gene alleles that allowed classifying L. casei isolates into five sequencing types were revealed; the effectiveness of genetic typing method for Multilocus sequencing was substantiated. The article is of practical value for microbiologists and geneticists in the field of molecular biology, as well as for technologists in the food industry. With the development of applied methods in genetic systematics, it has become possible to study pure culture of Lactobacillus species. The application of modern methods of genotypic classification of Lactobacillus species will make it possible to increase the efficiency of using better and safer products in the food industry and medicine.
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Affiliation(s)
- Indira Tynybayeva
- Laboratory of Genetics and Biochemistry of Microorganisms, Republican Collection of Microorganisms, Astana, 010000, Republic of Kazakhstan.
| | - Zhanar Tekebayeva
- Laboratory of Microbiology, Republican Collection of Microorganisms, Astana, 010000, Republic of Kazakhstan
| | - Gulmira Bissenova
- Laboratory of Microbiology, Republican Collection of Microorganisms, Astana, 010000, Republic of Kazakhstan
| | - Maryana Mynbayeva
- Laboratory of Biotechnology, Astana Bioscience Business Centre LLP, Astana, 010000, Republic of Kazakhstan
| | - Zinigul Sarmurzina
- Center for Study of Antibiotics and Secondary Metabolites, Republican Collection of Microorganisms, Astana, 010000, Republic of Kazakhstan
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Rhoden J, Hoffmann AT, Stein JF, da Silva MS, Gularte JS, Filippi M, Demoliner M, Girardi V, Spilki FR, Fleck JD, Rigotto C. Diversity of Omicron sublineages and clinical characteristics in hospitalized patients in the southernmost state of Brazil. BMC Infect Dis 2024; 24:193. [PMID: 38350887 PMCID: PMC10863127 DOI: 10.1186/s12879-024-09089-3] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 02/02/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Omicron has become the dominant variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) since first reported in November 2021. From the initially detected Wuhan lineage, sublineages BA.2, BA.4, BA.5, BQ, XAG, and XBB have emerged over time and are dominant in many countries. Therefore, the aim is to evaluate which variants are circulating and the clinical characteristics of inpatients infected with the Omicron variant. METHODS This retrospective cohort study selected hospitalized patients admitted with respiratory symptoms to a hospital in the state of Rio Grande do Sul, Brazil, between June and July 2022. SARS-CoV-2 results were analyzed together with clinical outcomes and vaccination status. A viral genome library was prepared and forwarded to the Illumina MiSeq Platform for sequencing. RESULTS In total, 37 genomes were sequenced. Concerning the Omicron sublineages, our study detected: BA.1 (21 K), BA.2 (21 L), BA.4 (22A), BA.5 (22B), BA.2.12.1 (22C), BQ.1 (22E), XBB (22F), and XAG recombinant. Omicron BA.5 (30%), BA.2 (19%), and BQ.1 (19%) were the most frequent sublineages, respectively. In total, 38% of patients present hypertension, and the most common symptoms were coughing (62%). Analyzing the COVID-19 vaccination, 30% of patients were fully vaccinated, 49% had a partial vaccination status, and 21% were unvaccinated (no dose). CONCLUSIONS BA.5 was the most prevalent sublineage in our study and surpassed the predominance of BA.2, as reported by the national genomic surveillance program. BQ.1 was diagnosed earlier in this study than it was officially reported in the state. Current data have demonstrated that the Omicron variant causes less severe infections, with the high rate of transmissibility and mutational landscape causing the rapid emergence of new sublineages.
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Affiliation(s)
- Jaqueline Rhoden
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil.
- Santa Casa de Misericórdia de Porto Alegre, Hospital Dom Vicente Scherer, Centro Histórico. Av. Independência, n. 155, CEP 90035-074, Porto Alegre, Rio Grande do Sul, Brazil.
| | - Andressa Taíz Hoffmann
- Santa Casa de Misericórdia de Porto Alegre, Hospital Dom Vicente Scherer, Centro Histórico. Av. Independência, n. 155, CEP 90035-074, Porto Alegre, Rio Grande do Sul, Brazil
| | - Janaína Franciele Stein
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Mariana Soares da Silva
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Juliana Schons Gularte
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Micheli Filippi
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Meriane Demoliner
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Viviane Girardi
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Fernando Rosado Spilki
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Juliane Deise Fleck
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
| | - Caroline Rigotto
- Laboratório de Microbiologia Molecular, Universidade Feevale, Rodovia ERS-239, n. 2755, Prédio Vermelho, Piso 1, sala 103, Vila Nova, CEP 93525-075, Novo Hamburgo, Rio Grande do Sul, Brazil
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Shi Q, Zhang Z, Liu S. Precision Sequence-Defined Polymers: From Sequencing to Biological Functions. Angew Chem Int Ed Engl 2024; 63:e202313370. [PMID: 37875462 DOI: 10.1002/anie.202313370] [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: 09/08/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 10/26/2023]
Abstract
Precise sequence-defined polymers (SDPs) with uniform chain-to-chain structure including chain length, unit sequence, and end functionalities represent the pinnacle of sophistication in the realm of polymer science. For example, the absolute control over the unit sequence of SDPs allows for the bottom-up design of polymers with hierarchical microstructures and functions. Accompanied with the development of synthetic techniques towards precision SDPs, the decoding of SDP sequences and construction of advanced functions irreplaceable by other synthetic materials is of central importance. In this Minireview, we focus on recent advances in SDP sequencing techniques including tandem mass spectrometry (MS), chemically assisted primary MS, as well as other non-destructive sequencing methods such as nuclear magnetic resonance (NMR) spectroscopy, circular dichroism (CD), and nanopore sequencing. Additionally, we delve into the promising prospects of SDP functions in the area of cutting-edge biological research. Topics of exploration include gene delivery systems, the development of hybrid materials combining SDPs and nucleic acids, protein recognition and regulation, as well as the interplay between chirality and biological functions. A brief outlook towards the future directions of SDPs is also presented.
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Affiliation(s)
- Qiangqiang Shi
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, and Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China
| | - Shiyong Liu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, and Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, China
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Andrade LDAS, Ortúzar-Ferreira CN, Oliveira MDS, Cardozo SV, Lima VMD, Berto BP. Isospora juruviarae n. sp. (Apicomplexa: Eimeriidae) from chivi vireos Vireo chivi (Vieillot, 1817) (Passeriformes: Vireonidae) in South America. Parasitol Int 2024; 98:102806. [PMID: 37684002 DOI: 10.1016/j.parint.2023.102806] [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: 07/08/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Chivi vireos Vireo chivi (Vieillot, 1817) are passerine birds widely distributed throughout Brazil, but mainly observed in the Atlantic Forest of the South and Southeast regions of the country. In this context, the current study identifies a new species of Isospora Schneider, 1881 from V. chivi captured in the Marambaia Island, on the coast of the State of Rio de Janeiro, Southeastern Brazil. The oocysts of Isospora juruviarae Andrade & Berto n. sp. are subspheroidal to ovoidal, measuring on average 26 by 24 μm. Micropyle is absent or inconspicuous. Oocyst residuum absent, but polar granules are present. Sporocysts are ellipsoidal with pointed posterior end, measuring on average 17 by × 11 μm. Stieda and Sub-Stieda bodies are present. Sporocyst residuum is present among the vermiform sporozoites, which have refractile bodies and nucleus. This morphology was different from the other Isospora spp. recorded in the same family, superfamily and parvorder as the host. Molecular identification was targeted by the amplification and sequencing of two different loci of the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene and one locus of the 18S small subunit ribosomal RNA (18S) gene. Phylogenetic analyses were not very efficient in forming monophyletic groups associated with host taxon, zoogeographical region or taxonomic character; however, they confirmed the identification as a new species through comparison with sequences from Isospora spp. of wild passerines. Finally, based on the morphological and molecular analyses of the oocysts recovered from the chivi vireo V. chivi in the current work, I. juruviarae is considered new to science, being the second species recorded in the host family Vireonidae and the first to have a supplementation by molecular identification.
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Affiliation(s)
- Lucas de Assis Silva Andrade
- Programa de Pós-Graduação em Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil
| | - Carlos Nei Ortúzar-Ferreira
- Programa de Pós-Graduação em Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil
| | - Mariana de Souza Oliveira
- Programa de Pós-Graduação em Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil
| | - Sergian Vianna Cardozo
- Programa de Pós-Graduação em Biomedicina Translacional, Universidade do Grande Rio, Rua Professor José de Souza Herdy 1160, 25071-202 Duque de Caxias, Rio de Janeiro, Brazil
| | - Viviane Moreira de Lima
- Departamento de Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil
| | - Bruno Pereira Berto
- Departamento de Biologia Animal, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, BR-465 km 7, 23897-000 Seropédica, Rio de Janeiro, Brazil.
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Hosokawa M, Nishikawa Y. Tools for microbial single-cell genomics for obtaining uncultured microbial genomes. Biophys Rev 2024; 16:69-77. [PMID: 38495448 PMCID: PMC10937852 DOI: 10.1007/s12551-023-01124-y] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 08/23/2023] [Indexed: 03/19/2024] Open
Abstract
The advent of next-generation sequencing technologies has facilitated the acquisition of large amounts of DNA sequence data at a relatively low cost, leading to numerous breakthroughs in decoding microbial genomes. Among the various genome sequencing activities, metagenomic analysis, which entails the direct analysis of uncultured microbial DNA, has had a profound impact on microbiome research and has emerged as an indispensable technology in this field. Despite its valuable contributions, metagenomic analysis is a "bulk analysis" technique that analyzes samples containing a wide diversity of microbes, such as bacteria, yielding information that is averaged across the entire microbial population. In order to gain a deeper understanding of the heterogeneous nature of the microbial world, there is a growing need for single-cell analysis, similar to its use in human cell biology. With this paradigm shift in mind, comprehensive single-cell genomics technology has become a much-anticipated innovation that is now poised to revolutionize microbiome research. It has the potential to enable the discovery of differences at the strain level and to facilitate a more comprehensive examination of microbial ecosystems. In this review, we summarize the current state-of-the-art in microbial single-cell genomics, highlighting the potential impact of this technology on our understanding of the microbial world. The successful implementation of this technology is expected to have a profound impact in the field, leading to new discoveries and insights into the diversity and evolution of microbes.
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Affiliation(s)
- Masahito Hosokawa
- Department of Life Science and Medical Bioscience, Waseda University, 2-2 Wakamatsu-Cho, Shinjuku-Ku, Tokyo, 162-8480 Japan
- Computational Bio Big-Data Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology, 3-4-1 Okubo, Shinjuku-Ku, Tokyo, 169-8555 Japan
- Research Organization for Nano and Life Innovation, Waseda University, 513 Wasedatsurumaki-Cho, Shinjuku-Ku, Tokyo, 162-0041 Japan
- Institute for Advanced Research of Biosystem Dynamics, Waseda Research Institute for Science and Engineering, 3-4-1 Okubo, Shinjuku-Ku, Tokyo, 169-8555 Japan
- bitBiome, Inc., 513 Wasedatsurumaki-Cho, Shinjuku-Ku, Tokyo, 162-0041 Japan
| | - Yohei Nishikawa
- Computational Bio Big-Data Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology, 3-4-1 Okubo, Shinjuku-Ku, Tokyo, 169-8555 Japan
- Research Organization for Nano and Life Innovation, Waseda University, 513 Wasedatsurumaki-Cho, Shinjuku-Ku, Tokyo, 162-0041 Japan
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Williams ME. HIV-1 Vif protein sequence variations in South African people living with HIV and their influence on Vif-APOBEC3G interaction. Eur J Clin Microbiol Infect Dis 2024; 43:325-338. [PMID: 38072879 PMCID: PMC10821834 DOI: 10.1007/s10096-023-04728-0] [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: 07/24/2023] [Accepted: 11/28/2023] [Indexed: 01/28/2024]
Abstract
PURPOSE Despite extensive research, HIV-1 remains a global epidemic with variations in pathogenesis across regions and subtypes. The Viral Infectivity Factor (Vif) protein, which neutralizes the host protein APOBEC3G, has been implicated in differences in clinical outcomes among people living with HIV (PLHIV). Most studies on Vif sequence diversity have focused on subtype B, leaving gaps in understanding Vif variations in HIV-1C regions like South Africa. This study aimed to identify and compare Vif sequence diversity in a cohort of 51 South African PLHIV and other HIV-1C prevalent regions. METHODS Sanger sequencing was used for Vif analysis in the cohort, and additional sequences were obtained from the Los Alamos database. Molecular modeling and docking techniques were employed to study the influence of subtype-specific variants on Vif-APOBEC3G binding affinity. RESULTS The findings showed distinct genetic variations between Vif sequences from India and Uganda, while South African sequences had wider distribution and closer relatedness to both. Specific amino acid substitutions in Vif were associated with geographic groups. Molecular modeling and docking analyses consistently identified specific residues (ARGR19, LYS26, TYR30, TYR44, and TRP79) as primary contributors to intermolecular contacts between Vif and APOBEC3G, essential for their interaction. The Indian Vif variant exhibited the highest predicted binding affinity to APOBEC3G among the studied groups. CONCLUSIONS These results provide insights into Vif sequence diversity in HIV-1C prevalent regions and shed light on differential pathogenesis observed in different geographical areas. The identified Vif amino acid residues warrant further investigation for their diagnostic, prognostic, and therapeutic potential.
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Mehlhorn C, Uhrlaß S, Klonowski E, Krüger C, Paasch U, Simon JC, Nenoff P. [Conventional and molecular diagnostics in onychomycosis-part 1 : Conventional differentiation of dermatophytes-Trichophyton rubrum, Trichophyton interdigitale]. Dermatologie (Heidelb) 2024; 75:134-146. [PMID: 38066287 DOI: 10.1007/s00105-023-05260-0] [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] [Accepted: 10/27/2023] [Indexed: 01/23/2024]
Abstract
Onychomycosis is a common infectious nail disease occurring worldwide. The mycological diagnosis of onychomycosis is primarily used for differential diagnostic differentiation from other, mostly inflammatory nail diseases, such as nail psoriasis or onychodystrophies of other causes. Conventional laboratory diagnostics when onychomycosis is suspected is based on microscopic detection of fungi in the nail material using fluorescence-optical potassium hydroxide preparations and culture of the pathogen. Molecular amplification methods allow a more sensitive and specific identification of the causative dermatophyte. Here, in 108 patients with onychomycosis, the dermatophytes were identified by culture and/or molecular biology using polymerase chain reaction (PCR) and the species identification was confirmed with subsequent sequencing. The dermatophytes were analyzed based on macromorphological and microscopic features. A dermatophyte was cultured in 56 of the 108 patients. Among them were 31 isolates of Trichophyton (T.) rubrum and 25 of T. interdigitale. All species identifications were subsequently confirmed by rDNA sequencing with concordant results in 54 of 56 patients. Two primarily as T. interdigitale identified specimens were revealed to be T. quinckeanum and T. tonsurans by molecular methods. T. quinckeanum, which is a zoophilic dermatophyte and a so-called emerging pathogen in dermatomycology, was isolated here for the first time as the causative agent of onychomycosis. The other dermatophyte, initially thought to be T. interdigitale, turned out to be T. tonsurans on molecular biology. This anthropophilic dermatophyte is also a rarity in onychomycosis. In addition, T. rubrum was identified by PCR in 34 of the 52 nail specimens that did not grow culture, and T. interdigitale in 18 nail specimens. However, the morphological identification of the four different dermatophytes species proved problematic. Neither the colony morphology nor the microscopic features of the dermatophytes allow clear differentiation of the pathogens. Microconidia, macroconidia, chlamydospores, and arthrospores are inconsistent in occurrence, number, microscopic distribution, and shape. The urease activity also did not allow an assignment of the dermatophyte species. These results indicate that the most sensitive detection and reliable identification of causative dermatophytes in onychomycosis is only possible by molecular methods.
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Affiliation(s)
- Carolin Mehlhorn
- labopart - Medizinische Laboratorien, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - Silke Uhrlaß
- labopart - Medizinische Laboratorien, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - Esther Klonowski
- labopart - Medizinische Laboratorien, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - Constanze Krüger
- labopart - Medizinische Laboratorien, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - Uwe Paasch
- Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Leipzig AöR und Medizinische Fakultät der Universität Leipzig, Leipzig, Deutschland
| | - Jan C Simon
- Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Leipzig AöR und Medizinische Fakultät der Universität Leipzig, Leipzig, Deutschland
| | - Pietro Nenoff
- labopart - Medizinische Laboratorien, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland.
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