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He G, Li W, Yuan B, Dong W. The complete mitochondrial genome of Echinolaelaps fukienensis provide insights into phylogeny and rearrangement in the superfamily Dermanyssoidea. PLoS One 2023; 18:e0288991. [PMID: 38100410 PMCID: PMC10723674 DOI: 10.1371/journal.pone.0288991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/09/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Echinolaelaps fukienensis is the dominant mite species parasitic on the body surface of the genus Niviventer. The mitochondrial genome (mitogenome) has its own independent genetic material and genetic system, and is now widely used in population genetics, genealogical biogeography, phylogeny and molecular evolution studies. Species diversity of the superfamily Dermanyssoidea is very rich, but its mitogenomes AT content is high, and it is difficult to amplify the complete mitogenome by routine PCR. To date, we have only obtained the mitogenomes of 6 species, scarcity on sequence data has greatly impeded the studies in the superfamily Dermanyssoidea. METHODS Echinolaelaps fukienensis were collected in 2019 from the body surface of Niviventer confucianus (Rodentia, Muridae) in Yunnan Province. The E. fukienensis mitogenome was determined and analyzed for the first time using the Illumina Novoseq 6000 platform. Phylogenetic analyses of the superfamily Dermanyssoidea were conducted based on the entire mitogenome sequences. RESULTS The E. fukienensis mitogenome was 14,402 bp, which is known the smallest genome of the superfamily Dermanyssoidea, encoding a total of 37 genes, including 13 PCGs, 22 tRNAs, 2 rRNAs and 1 control region. Most protein-coding genes use ATN as the start codon and TAN as the stop codon. AT and GC skew of atp8 genes in E. fukienensis were both 0. The average length of 22 tRNA genes of E. fukienensis was 64 bp, and secondary structures of tRNAs showed base mismatches and missing D-arms in many places. Compared with gene arrangement pattern of the hypothetical ancestor of arthropods, the E. fukienensis mitogenome shows a novel arrangement pattern. Phylogenetic tree supported the monophyly of the superfamily Dermanyssoidea. Echinolaelaps fukienensis being the least genetic distant (0.2762) and most closely related to Varroa destructor. CONCLUSIONS This study analyzed comprehensive the structure and evolution of the E. fukienensis mitogenome for the first time, enriches molecular data of the genus Echinolaelaps, which will contribute to further understand phylogeny and rearrangement patterns of the superfamily Dermanyssoidea.
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Affiliation(s)
- Gangxian He
- Institute of Pathogens and Vectors, Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Dali University, Dali, Yunnan, China
| | - Wei Li
- Asset and Laboratory Management Office, Dali University, Dali, Yunnan, China
| | - Bili Yuan
- Institute of Pathogens and Vectors, Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Dali University, Dali, Yunnan, China
| | - Wenge Dong
- Institute of Pathogens and Vectors, Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Dali University, Dali, Yunnan, China
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Yuan B, He G, Dong W. The evolutionary characterization of Gamasida based on mitochondrial genes codon usage pattern. Parasitol Res 2023; 123:30. [PMID: 38085374 DOI: 10.1007/s00436-023-08019-7] [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: 07/30/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023]
Abstract
Mites belonging to the suborder Gamasida are species-rich and habitat-diverse, with a worldwide distribution. To adapt to the environment and obtain better living conditions, all species of the suborder Gamasida have been undergoing constant evolution. The complete mitochondrial genome (mitogenome) is an invaluable molecular marker for studying the origin of species, genetic differentiation between closely related species, and between intraspecific groups. In some species of the suborder Gamasida, mitochondrial tRNA genes are truncated and carried unstable genetic information. This study presents a comparative analysis of codon usage pattern and preference of 13 protein-coding genes of 24 species in 17 genera and 10 families of the suborder Gamasida. Results showed that have an obvious AT preference (0.664-0.829) for codon usage in the suborder Gamasida. Most of the optimal and high-frequency codons also end in A/T. The degree of natural selection varies between the same protein-coding genes of different gamasid mites or among different protein-coding genes within the same gamasid mites. Base and codon usage pattern and preference are very similar between the same species and genus, namely the closer species, the more similar their bases and codons usage patterns and preference are. T bases and C bases were the preference bases for codon usage of 24 species in the suborder Gamasida. Evolution of the suborder Gamasida was dominated by natural selection (64.1%). This study provides the first comprehensive analysis of codon usage in the suborder Gamasida, which will greatly improve our understanding of codon usage patterns and preference, genetics, and evolution of the suborder Gamasida. It will help to evaluate the degree of molecular adaptation in the suborder Gamasida and to further explore evolutionary features of the suborder Gamasida.
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Affiliation(s)
- Bili Yuan
- Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Institute of Pathogens and Vectors, Dali University, Dali, 671000, Yunnan, China
| | - Gangxian He
- Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Institute of Pathogens and Vectors, Dali University, Dali, 671000, Yunnan, China
| | - Wenge Dong
- Yunnan Provincial Key Laboratory for Zoonosis Control and Prevention, Institute of Pathogens and Vectors, Dali University, Dali, 671000, Yunnan, China.
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3
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Fang Y, Tao L, Zhou X, Liu L, Li F, Yang Q, Xia X, Zhou S, Sun E. The complete mitochondrial genome of Scatoglyphus polytrematus (Acari: Acaridae). Mitochondrial DNA B Resour 2021; 6:1680-1681. [PMID: 34104735 PMCID: PMC8143620 DOI: 10.1080/23802359.2021.1927874] [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] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We assembled and annotated the complete mitochondrial genome of Scatoglyphus polytrematus. It is the first complete mitochondrial genome sequence from the genus Scatoglyphus. The mitogenome was 13,966 bp in length and contains 37 genes (including 13 protein-coding genes, 22 transfer RNA (tRNA), and two ribosomal RNA (rRNA)), and one largest non-coding region. The gene arrangement of S. polytrematus is consistent with the pattern of possible common ancestor of astigmatid mites. In the present study, phylogenetic analysis shows that genus Scatoglyphus was clustered into one branch with other Acaridae species.
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Affiliation(s)
- Yu Fang
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China.,Department of Medical Parasitology, Wannan Medical College, Wuhu, China
| | - Li Tao
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaoqian Zhou
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China.,Department of Medical Parasitology, Wannan Medical College, Wuhu, China
| | - Luyao Liu
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China
| | - Feiyan Li
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China
| | - Qianqian Yang
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China
| | - Xingquan Xia
- College of Life Science, The Provincial Key Lab of the Conservation and Exploitation Research of Biological Resources in Anhui, Anhui Normal University, Wuhu, China
| | - Shulin Zhou
- Department of Medical Parasitology, Wannan Medical College, Wuhu, China
| | - Entao Sun
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, China
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4
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Dong F, Fang W, Fang Y, Zhan X, Tao D, Su X, Xu J, Wang Y, Liu F, Liu Y, Chen B, Xia X, Sun E. The Complete Mitochondrial Genome of Suidasia nesbitti and Phylogenetic Relationships of Astigmata. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.00194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lu C, Huang X, Deng J. The challenge of Coccidae (Hemiptera: Coccoidea) mitochondrial genomes: The case of Saissetia coffeae with novel truncated tRNAs and gene rearrangements. Int J Biol Macromol 2020; 158:854-864. [PMID: 32387610 DOI: 10.1016/j.ijbiomac.2020.04.257] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 12/05/2019] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 11/23/2022]
Abstract
There have been few reports of complete mitochondrial genomes (mitogenomes) of scale insects, and it has been indicated that complex and novel structures in their mitogenomes may lead to difficulties in sequencing, assembly and annotation. Transfer RNAs (tRNAs) usually possess typical cloverleaf secondary structures, and truncated tRNAs are rarely found in insect mitogenomes. Here, we report a complete Saissetia coffeae mitogenome (15,389 bp) with high A+T content (84.7%) sequenced by next-generation sequencing (NGS) methods. Genes in the mitogenome were annotated, and nine tRNAs were not found using MITOS. Most of the detected tRNAs were significantly truncated without the dihydrouridine (DHU) arm or the TΨC (T) arm. In addition, the 9 "lost" tRNAs containing mismatched base pairs were retrieved based on the tRNA annotation workflow for Coccidae described in our study. The gene arrangement in the Saissetia coffeae mitogenome was significantly different from that in other hemipteran insects. Additionally, Bayesian and maximum likelihood trees based on the mitochondrial genes showed a long branch of the Saissetia lineage, indicating significant nonsynonymous substitutions or high evolutionary rates in the Saissetia lineage. We provide a reference mitogenome for the assembly and annotation of the Coccidae mitogenome and offer insights into the evolution of scale insects.
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Affiliation(s)
- Congcong Lu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xiaolei Huang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jun Deng
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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6
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Fang WX, Dong FY, Sun ET, Tao DD, Wang Y, Xu JY, Fang Y, Zhan XB, Ye CJ. De novo sequence of the mitochondrial genome of Tyrophagus putrescentiae (Acari: Sarcoptiformes) including 22 tRNA sequences and the largest non-coding region. Exp Appl Acarol 2020; 80:521-530. [PMID: 32162137 DOI: 10.1007/s10493-020-00477-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 02/29/2020] [Indexed: 06/10/2023]
Abstract
In this study, we de novo sequenced and analyzed the circular mitochondrial genome (mitogenome) of Tyrophagus putrescentiae. It was 14,156 bp long and contained a complete set of 37 genes, contrary to the initial published sequences; it included 22 tRNA sequences and the largest non-coding region. The mtDNA gene order of T. putrescentiae was found to be identical to that of Aleuroglyphus ovatus, Caloglyphus berlesei, and Rhizoglyphus robini (all Acaroidea). Most tRNAs of T. putrescentiae lack at least a D-arm or T-arm. Tyrophagus putrescentiae tRNAs also shared considerable structural and sequence similarity with the tRNAs of other reported Acaroidea species that have the full set of tRNAs. The largest non-coding region was located between trnF and trnS1, and it contained a microsatellite-like (AT)n sequence, short palindromic sequences, and several hairpin loops, as observed in other reported Acaroidea species (excepting Tyrophagus longior).
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Affiliation(s)
- Wei-Xi Fang
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
| | - Fang-Yuan Dong
- Department of Pathology, Wannan Medical College, Wuhu, China
| | - En-Tao Sun
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China.
| | - Dong-Dong Tao
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
| | - Yan Wang
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
| | - Jiao-Yang Xu
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
| | - Yu Fang
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
| | - Xue-Bing Zhan
- Department of Pathology, Wannan Medical College, Wuhu, China
| | - Chang-Jiang Ye
- Department of Health Inspection and Quarantine, Wannan Medical College, Wuhu, 241002, China
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7
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Xiong Q, Wan ATY, Tsui SKW. A Mini-review of the Genomes and Allergens of Mites and Ticks. Curr Protein Pept Sci 2020; 21:114-123. [DOI: 10.2174/1389203720666190719150432] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 06/18/2019] [Accepted: 06/21/2019] [Indexed: 12/20/2022]
Abstract
Mites and ticks are associated with many human diseases including allergic diseases and
scabies. With the recent advances in the high throughput DNA sequencing technology, many mitochondrial
nuclear genomes of these species have been sequenced and the resulting genomic resources
will certainly provide novel insights for the future investigation of the functionally important proteins
and peptides in these species. In this mini-review, the current situation of mite and tick genomes is
described and the future perspectives for the application of the genomic resources are discussed, especially
including the novel identification and structural analysis of allergens.
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Affiliation(s)
- Qing Xiong
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Angel Tsz Yau Wan
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong
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8
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Pons J, Bover P, Bidegaray-Batista L, Arnedo MA. Arm-less mitochondrial tRNAs conserved for over 30 millions of years in spiders. BMC Genomics 2019; 20:665. [PMID: 31438844 PMCID: PMC6706885 DOI: 10.1186/s12864-019-6026-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 08/12/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND In recent years, Next Generation Sequencing (NGS) has accelerated the generation of full mitogenomes, providing abundant material for studying different aspects of molecular evolution. Some mitogenomes have been observed to harbor atypical sequences with bizarre secondary structures, which origins and significance could only be fully understood in an evolutionary framework. RESULTS Here we report and analyze the mitochondrial sequences and gene arrangements of six closely related spiders in the sister genera Parachtes and Harpactocrates, which belong to the nocturnal, ground dwelling family Dysderidae. Species of both genera have compacted mitogenomes with many overlapping genes and strikingly reduced tRNAs that are among the shortest described within metazoans. Thanks to the conservation of the gene order and the nucleotide identity across close relatives, we were able to predict the secondary structures even on arm-less tRNAs, which would be otherwise unattainable for a single species. They exhibit aberrant secondary structures with the lack of either DHU or TΨC arms and many miss-pairings in the acceptor arm but this degeneracy trend goes even further since at least four tRNAs are arm-less in the six spider species studied. CONCLUSIONS The conservation of at least four arm-less tRNA genes in two sister spider genera for about 30 myr suggest that these genes are still encoding fully functional tRNAs though they may be post-transcriptionally edited to be fully functional as previously described in other species. We suggest that the presence of overlapping and truncated tRNA genes may be related and explains why spider mitogenomes are smaller than those of other invertebrates.
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Affiliation(s)
- Joan Pons
- Departamento de Biodiversidad y Conservación, Instituto Mediterráneo de Estudios Avanzados (CSIC-UIB), Miquel Marquès, 21, 07190 Esporles, Illes Balears Spain
| | - Pere Bover
- ARAID Foundation – IUCA Grupo-Aragosaurus, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12 -, 50009 Zaragoza, Spain
| | - Leticia Bidegaray-Batista
- Departamento de Biodiversidad y Genética, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, 11600 Montevideo, CP Uruguay
| | - Miquel A. Arnedo
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals & Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Av. Diagonal 643, E-8028 Barcelona, Catalonia Spain
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9
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Li WN, Xue XF. Mitochondrial genome reorganization provides insights into the relationship between oribatid mites and astigmatid mites (Acari: Sarcoptiformes: Oribatida). Zool J Linn Soc 2019. [DOI: 10.1093/zoolinnean/zlz044] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Oribatida s.l. represents one of the most species-rich mite lineages, including two recognized groups: oribatid mites (Oribatida s.s., non-astigmatan oribatids) and astigmatid mites (Astigmata). However, the relationship between these two groups has been debated. Here, we sequenced the complete mitochondrial (mt) genome of one oribatid mite and one astigmatid mite, retrieved complete mt genomes of three oribatid mites, and compared them with two other oribatid mites and 12 astigmatid mites sequenced previously. We find that gene orders in the mt genomes of both oribatid mites and astigmatid mites are rearranged relative to the hypothetical ancestral arrangement of the arthropods. Based on the shared derived gene clusters in each mt genome group, rearranged mt genomes are roughly divided into two groups corresponding to each mite group (oribatid mites or astigmatid mites). Phylogenetic results show that Astigmata nested in Oribatida. The monophyly of Astigmata is recovered, while paraphyly of Oribatida s.s. is observed. Our results show that rearranged gene orders in the mt genomes characterize various lineages of oribatid mites and astigmatid mites, and have potential phylogenetic information for resolving the high-level (cohort or supercohort) phylogeny of Oribatida.
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Affiliation(s)
- Wei-Ning Li
- Department of Entomology, Nanjing Agricultural University, Nanjing, Jiangsu, China
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10
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Li R, Wang G, Wen ZY, Zou YC, Qin CJ, Luo Y, Wang J, Chen GH. Complete mitochondrial genome of a kind of snakehead fish Channa siamensis and its phylogenetic consideration. Genes Genomics 2018; 41:147-157. [PMID: 30242740 DOI: 10.1007/s13258-018-0746-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 06/14/2018] [Accepted: 09/18/2018] [Indexed: 12/28/2022]
Abstract
The snakehead fish, Channa siamensis, belongs to the genus of Channa (perciformes: Channidae) and was first reported by Günther in 1861. Despite it has been described approximately for 15 decades, the genetic information is limited and the taxon status of this kind of fish is still unclear. The primary objective of this study is to get more genomic data and calculate the taxon location of this kind of fish. The next generation sequencing method was used to obtain the whole mitochondrial DNA information, and bioinformatic analysis was performed to investigate the evolutionary status and taxon location of C. siamensis. The circular mitochondrial DNA was 16,570 bp in length, and which showed typical piscine structure and arrangement. The overall nucleotide composition was 29.28% A, 24.72% T, 30.71% C, 15.29% G, with 54.1% AT, respectively. Phylogenetic analyses using concatenated amino acid and nucleotide sequences of the 13 protein-coding genes with two different methods (Maximum likelihood and Bayesian analysis) both highly supported C. siamensis belongs to the genus Channa and shows a close relationship with C. micropeltes. These data will provide more useful information for a better understanding of the mitochondrial genomic diversities and evolution in fish as well as novel genetic markers for studying population genetics and species identification.
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Affiliation(s)
- Rui Li
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Gang Wang
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Zheng-Yong Wen
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China. .,BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, 518083, China.
| | - Yuan-Chao Zou
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Chuan-Jie Qin
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Yu Luo
- Institute of Aquaculture, Neijiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, China
| | - Jun Wang
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Gui-Hong Chen
- Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
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11
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Khan AH, Zou Z, Xiang Y, Chen S, Tian XL. Conserved signaling pathways genetically associated with longevity across the species. Biochim Biophys Acta Mol Basis Dis 2018; 1865:1745-1755. [PMID: 31109448 DOI: 10.1016/j.bbadis.2018.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [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: 05/31/2018] [Revised: 07/26/2018] [Accepted: 09/04/2018] [Indexed: 02/08/2023]
Abstract
Advanced age is an independent risk factor for natural death and common diseases, such as cardiovascular diseases, dementia, and cancers, which are life-threatening and cause disabilities. On the other hand, individual with healthy longevity is a plausible model for successful aging. Thus, search for longevity-associated genes and pathways likely provides a unique approach to understand the genetic mechanisms underlying aging and healthspan, and emerging evidence from model organisms has highlighted the significance of genetic components in longevity. Here we reviewed the uses of model organisms including yeast, ciliate, nematode, arthropod, fish, rodent, and primate as well as human to identify the genetic determinants of longevity and discussed the genetic contributions of conserved longevity pathways, such as adrenergic system, AMPK, insulin/IGF-1, and mTOR signaling pathways.
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Affiliation(s)
- Abdul Haseeb Khan
- Human population genetics, Human Aging Research Institute (HARI), Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China; School of Life Science, Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China
| | - Zhiwen Zou
- School of Life Science, Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China
| | - Yang Xiang
- Human population genetics, Human Aging Research Institute (HARI), Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China; School of Life Science, Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China
| | - Shenghan Chen
- Human population genetics, Human Aging Research Institute (HARI), Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China; School of Life Science, Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China
| | - Xiao-Li Tian
- Human population genetics, Human Aging Research Institute (HARI), Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China; School of Life Science, Nanchang University, Xuefu Rd 999, Honggutan New District, Nanchang, Jiangxi Province 330031, China.
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12
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Xue XF, Deng W, Qu SX, Hong XY, Shao R. The mitochondrial genomes of sarcoptiform mites: are any transfer RNA genes really lost? BMC Genomics 2018; 19:466. [PMID: 29914378 PMCID: PMC6006854 DOI: 10.1186/s12864-018-4868-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 06/13/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Mitochondrial (mt) genomes of animals typically contain 37 genes for 13 proteins, two ribosomal RNA (rRNA) genes and 22 transfer RNA (tRNA) genes. In sarcoptiform mites, the entire set of mt tRNA genes is present in Aleuroglyphus ovatus, Caloglyphus berlesei, Dermatophagoides farinae, D. pteronyssinus, Histiostoma blomquisti and Psoroptes cuniculi. Loss of 16 mt tRNA genes, however, was reported in Steganacarus magnus; loss of 2-3 tRNA genes was reported in Tyrophagus longior, T. putrescentiae and Sarcoptes scabiei. Nevertheless, convincing evidence for mt gene loss is lacking in these mites. RESULTS We sequenced the mitochondrial genomes of two sarcoptiform mites, Histiostoma feroniarum (13,896 bp) and Rhizoglyphus robini (14,244 bp). Using tRNAScan and ARWEN programs, we identified 16 and 17 tRNA genes in the mt genomes of H. feroniarum and R. robini, respectively. The other six mt tRNA genes in H. feroniarum and five mt tRNA genes in R. robini can only be identified manually by sequence comparison when alternative anticodons are considered. We applied this manual approach to other mites that were reported previously to have lost mt tRNA genes. We were able to identify all of the 16 mt tRNA genes that were reported as lost in St. magnus, two of the three mt tRNA genes that were reported as lost in T. longior and T. putrescentiae, and the two mt tRNA genes that were reported as lost in Sa. scabiei. All of the tRNA genes inferred from these manually identified genes have truncation in the arms and mismatches in the stems. CONCLUSIONS Our results reveal very unconventional tRNA structures in sarcoptiform mites and do not support the loss of mt tRNA genes in these mites. The functional implication of the drastic structural changes in these tRNA genes remains to be investigated.
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Affiliation(s)
- Xiao-Feng Xue
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095 Jiangsu China
| | - Wei Deng
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095 Jiangsu China
| | - Shao-Xuan Qu
- Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014 Jiangsu China
| | - Xiao-Yue Hong
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095 Jiangsu China
| | - Renfu Shao
- GeneCology Research Centre, Centre for Animal Health Innovation, School of Science and Engineering, University of the Sunshine Coast, Maroochydore, QLD 4556 Australia
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Murillo P, Klimov P, Hubert J, OConnor B. Investigating species boundaries using DNA and morphology in the mite Tyrophagus curvipenis (Acari: Acaridae), an emerging invasive pest, with a molecular phylogeny of the genus Tyrophagus. Exp Appl Acarol 2018; 75:167-189. [PMID: 29700678 DOI: 10.1007/s10493-018-0256-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 04/14/2018] [Indexed: 05/09/2023]
Abstract
Mites of the genus Tyrophagus (Acari: Acaridae) are among the most widespread and common mites, inhabiting diverse natural and anthropogenic habitats. Some species are pests of agricultural products and stored food and/or live in house dust, causing allergies to humans. We sequenced 1.2 kb of the mitochondrial COI gene for 38 individuals belonging to seven species of Tyrophagus, including T. curvipenis, T. putrescentiae, T. fanetzhangorum, T. longior, T. perniciosus, and T. cf. similis. Molecular phylogenetic analyses (1) recovered two major clades corresponding to the presence or absence of eyespots, and (2) separated all included morphological species. Tyrophagus curvipenis and T. putrescentiae had the lowest between-species genetic distances (range, mean ± SD): 14.20-16.30, 15.17 ± 0.40 (K2P). The highest within-species variation was found in T. putrescentiae 0.00-4.33, 1.78 ± 1.44 (K2P). In this species, we recovered two distinct groups; however, no geographical or ecological dissimilarities were observed between them. Based on our analyses, we document important morphological differences between T. curvipenis and T. putrescentiae. For the first time, we record the occurrence of T. curvipenis in the New World and suggest that it may be an emerging pest as it is currently spreading in agricultural produce.
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Affiliation(s)
- Pamela Murillo
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA.
- Laboratorio de Acarologia- CIPROC, Universidad de Costa Rica, Ciudad Universitaria Rodrigo Facio, San Pedro, 2060, Costa Rica.
| | - Pavel Klimov
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
- Faculty of Biology, Tyumen State University, Tyumen, Russia
| | - Jan Hubert
- Biologically Active Substances in Crop Protection, Crop Research Institute, Prague, Czech Republic
| | - Barry OConnor
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
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Schäffer S, Koblmüller S, Klymiuk I, Thallinger GG. The mitochondrial genome of the oribatid mite Paraleius leontonychus: new insights into tRNA evolution and phylogenetic relationships in acariform mites. Sci Rep 2018; 8:7558. [PMID: 29765106 DOI: 10.1038/s41598-018-25981-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 05/02/2018] [Indexed: 01/06/2023] Open
Abstract
Bilaterian mitochondrial (mt) genomes are circular molecules that typically contain 37 genes. To date, only a single complete mitogenome sequence is available for the species-rich sarcoptiform mite order Oribatida. We sequenced the mitogenome of Paraleius leontonychus, another species of this suborder. It is 14,186 bp long and contains 35 genes, including only 20 tRNAs, lacking tRNAGly and tRNATyr. Re-annotation of the mitogenome of Steganacarus magnus increased the number of mt tRNAs for this species to 12. As typical for acariform mites, many tRNAs are highly truncated in both oribatid species. The total number of tRNAs and the number of tRNAs with a complete cloverleaf-like structure in P. leontonychus, however, clearly exceeds the numbers previously reported for Sarcoptiformes. This indicates, contrary to what has been previously assumed, that reduction of tRNAs is not a general characteristic for sarcoptiform mites. Compared to other Sarcoptiformes, the two oribatid species have the least rearranged mt genome with respect to the pattern observed in Limulus polyphemus, a basal arachnid species. Phylogenetic analysis of the newly sequenced mt genome and previously published data on other acariform mites confirms paraphyly of the Oribatida and an origin of the Astigmata within the Oribatida.
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Zou Y, Xie B, Qin C, Wang Y, Yuan D, Li R, Wen Z. The complete mitochondrial genome of a threatened loach (Sinibotia reevesae) and its phylogeny. Genes Genomics 2017; 39:767-78. [DOI: 10.1007/s13258-017-0541-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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