Genetic Diversity of Daphnia pulex in the Middle and Lower Reaches of the Yangtze River
Increased human activities and environmental changes may lead to genetic diversity variations of Cladocerans in water. Daphnia pulex are distributed throughout the world and often regarded as a model organism. The 16S rDNA, cytochrome c oxidase subunit I (COI), and 18S genes were used as molecular m...
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| description | Increased human activities and environmental changes may lead to genetic diversity variations of Cladocerans in water. Daphnia pulex are distributed throughout the world and often regarded as a model organism. The 16S rDNA, cytochrome c oxidase subunit I (COI), and 18S genes were used as molecular marks. The genetic diversity and phylogeny of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River were studied. For 16S rDNA, COI gene, and 18S gene, the A+T content (65.4%, 58.4%, and 54.6%) was significantly higher than the G+C content (34.6%, 41.6% and 45.4%). This result was consistent with higher A and T contents among invertebrates. Based on the genetic distances of 16S rDNA and COI genes, the genetic differences of D. pulex from 10 water bodies located in the middle and lower reaches of the Yangtze River in China was minimal (0%-0.8% for 16S rDNA and 0%-1.5% for COI gene). However, D. pulex evolved into two branches in the phylogenetic trees, which coincided with its geographical distribution. Compared with D. pulex from other countries, the average genetic distance of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River reached 9.1%-10.5%, thereby indicating that D. pulex may have evolved into different subspecies. |
| doi_str_mv | 10.1371/journal.pone.0152436 |
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Daphnia pulex are distributed throughout the world and often regarded as a model organism. The 16S rDNA, cytochrome c oxidase subunit I (COI), and 18S genes were used as molecular marks. The genetic diversity and phylogeny of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River were studied. For 16S rDNA, COI gene, and 18S gene, the A+T content (65.4%, 58.4%, and 54.6%) was significantly higher than the G+C content (34.6%, 41.6% and 45.4%). This result was consistent with higher A and T contents among invertebrates. Based on the genetic distances of 16S rDNA and COI genes, the genetic differences of D. pulex from 10 water bodies located in the middle and lower reaches of the Yangtze River in China was minimal (0%-0.8% for 16S rDNA and 0%-1.5% for COI gene). However, D. pulex evolved into two branches in the phylogenetic trees, which coincided with its geographical distribution. Compared with D. pulex from other countries, the average genetic distance of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River reached 9.1%-10.5%, thereby indicating that D. pulex may have evolved into different subspecies.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0152436</identifier><identifier>PMID: 27015539</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Analysis ; Animals ; Aquatic ecosystems ; Base Composition ; Bayes Theorem ; Biodiversity ; Biology and Life Sciences ; Branches ; China ; Cladocera ; COI protein ; Crustacea ; Crustaceans ; Cytochrome ; Cytochrome-c oxidase ; Daphnia ; Daphnia - genetics ; Daphnia obtusa ; Daphnia pulex ; Daphnia pulicaria ; Deoxyribonucleic acid ; DNA ; Earth Sciences ; Ecology ; Ecology and Environmental Sciences ; Electron Transport Complex IV - genetics ; Environmental changes ; Evolution ; Female ; Genes ; Genetic distance ; Genetic diversity ; Genetic Variation ; Genomics ; Geographical distribution ; Invertebrates ; Laboratories ; Life sciences ; Likelihood Functions ; Mitochondrial DNA ; Parthenogenesis ; Phylogenetics ; Phylogeny ; Phylogeography ; Plant biology ; Research and Analysis Methods ; Ribosomal DNA ; Rivers ; RNA, Ribosomal, 16S - genetics ; RNA, Ribosomal, 18S - genetics ; rRNA 16S ; Sequence Analysis, DNA ; Sexual reproduction ; Studies ; Water fleas</subject><ispartof>PloS one, 2016-03, Vol.11 (3), p.e0152436-e0152436</ispartof><rights>COPYRIGHT 2016 Public Library of Science</rights><rights>2016 Wang et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2016 Wang et al 2016 Wang et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-b058a43f28a1f4f3055b102dcb443c0d0b2d807e72fe6e7ba4cdcc0751572da73</citedby><cites>FETCH-LOGICAL-c692t-b058a43f28a1f4f3055b102dcb443c0d0b2d807e72fe6e7ba4cdcc0751572da73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4807850/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4807850/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27015539$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Zhu, Chao-Dong</contributor><creatorcontrib>Wang, Wenping</creatorcontrib><creatorcontrib>Zhang, Kun</creatorcontrib><creatorcontrib>Deng, Daogui</creatorcontrib><creatorcontrib>Zhang, Ya-Nan</creatorcontrib><creatorcontrib>Peng, Shuixiu</creatorcontrib><creatorcontrib>Xu, Xiaoxue</creatorcontrib><title>Genetic Diversity of Daphnia pulex in the Middle and Lower Reaches of the Yangtze River</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Increased human activities and environmental changes may lead to genetic diversity variations of Cladocerans in water. Daphnia pulex are distributed throughout the world and often regarded as a model organism. The 16S rDNA, cytochrome c oxidase subunit I (COI), and 18S genes were used as molecular marks. The genetic diversity and phylogeny of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River were studied. For 16S rDNA, COI gene, and 18S gene, the A+T content (65.4%, 58.4%, and 54.6%) was significantly higher than the G+C content (34.6%, 41.6% and 45.4%). This result was consistent with higher A and T contents among invertebrates. Based on the genetic distances of 16S rDNA and COI genes, the genetic differences of D. pulex from 10 water bodies located in the middle and lower reaches of the Yangtze River in China was minimal (0%-0.8% for 16S rDNA and 0%-1.5% for COI gene). However, D. pulex evolved into two branches in the phylogenetic trees, which coincided with its geographical distribution. Compared with D. pulex from other countries, the average genetic distance of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River reached 9.1%-10.5%, thereby indicating that D. pulex may have evolved into different subspecies.</description><subject>Analysis</subject><subject>Animals</subject><subject>Aquatic ecosystems</subject><subject>Base Composition</subject><subject>Bayes Theorem</subject><subject>Biodiversity</subject><subject>Biology and Life Sciences</subject><subject>Branches</subject><subject>China</subject><subject>Cladocera</subject><subject>COI protein</subject><subject>Crustacea</subject><subject>Crustaceans</subject><subject>Cytochrome</subject><subject>Cytochrome-c oxidase</subject><subject>Daphnia</subject><subject>Daphnia - genetics</subject><subject>Daphnia obtusa</subject><subject>Daphnia pulex</subject><subject>Daphnia pulicaria</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>Earth Sciences</subject><subject>Ecology</subject><subject>Ecology and Environmental Sciences</subject><subject>Electron Transport Complex IV - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Wenping</au><au>Zhang, Kun</au><au>Deng, Daogui</au><au>Zhang, Ya-Nan</au><au>Peng, Shuixiu</au><au>Xu, Xiaoxue</au><au>Zhu, Chao-Dong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic Diversity of Daphnia pulex in the Middle and Lower Reaches of the Yangtze River</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2016-03-25</date><risdate>2016</risdate><volume>11</volume><issue>3</issue><spage>e0152436</spage><epage>e0152436</epage><pages>e0152436-e0152436</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Increased human activities and environmental changes may lead to genetic diversity variations of Cladocerans in water. Daphnia pulex are distributed throughout the world and often regarded as a model organism. The 16S rDNA, cytochrome c oxidase subunit I (COI), and 18S genes were used as molecular marks. The genetic diversity and phylogeny of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River were studied. For 16S rDNA, COI gene, and 18S gene, the A+T content (65.4%, 58.4%, and 54.6%) was significantly higher than the G+C content (34.6%, 41.6% and 45.4%). This result was consistent with higher A and T contents among invertebrates. Based on the genetic distances of 16S rDNA and COI genes, the genetic differences of D. pulex from 10 water bodies located in the middle and lower reaches of the Yangtze River in China was minimal (0%-0.8% for 16S rDNA and 0%-1.5% for COI gene). However, D. pulex evolved into two branches in the phylogenetic trees, which coincided with its geographical distribution. Compared with D. pulex from other countries, the average genetic distance of D. pulex obtained from 10 water bodies in the middle and lower reaches of the Yangtze River reached 9.1%-10.5%, thereby indicating that D. pulex may have evolved into different subspecies.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>27015539</pmid><doi>10.1371/journal.pone.0152436</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Animals Aquatic ecosystems Base Composition Bayes Theorem Biodiversity Biology and Life Sciences Branches China Cladocera COI protein Crustacea Crustaceans Cytochrome Cytochrome-c oxidase Daphnia Daphnia - genetics Daphnia obtusa Daphnia pulex Daphnia pulicaria Deoxyribonucleic acid DNA Earth Sciences Ecology Ecology and Environmental Sciences Electron Transport Complex IV - genetics Environmental changes Evolution Female Genes Genetic distance Genetic diversity Genetic Variation Genomics Geographical distribution Invertebrates Laboratories Life sciences Likelihood Functions Mitochondrial DNA Parthenogenesis Phylogenetics Phylogeny Phylogeography Plant biology Research and Analysis Methods Ribosomal DNA Rivers RNA, Ribosomal, 16S - genetics RNA, Ribosomal, 18S - genetics rRNA 16S Sequence Analysis, DNA Sexual reproduction Studies Water fleas |
| title | Genetic Diversity of Daphnia pulex in the Middle and Lower Reaches of the Yangtze River |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-30T17%3A15%3A49IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Genetic%20Diversity%20of%20Daphnia%20pulex%20in%20the%20Middle%20and%20Lower%20Reaches%20of%20the%20Yangtze%20River&rft.jtitle=PloS%20one&rft.au=Wang,%20Wenping&rft.date=2016-03-25&rft.volume=11&rft.issue=3&rft.spage=e0152436&rft.epage=e0152436&rft.pages=e0152436-e0152436&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0152436&rft_dat=%3Cgale_plos_%3EA453470360%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1775975561&rft_id=info:pmid/27015539&rft_galeid=A453470360&rft_doaj_id=oai_doaj_org_article_17d8ad22783d4cd089602c7f1ec855fd&rfr_iscdi=true |