Genetic diversity and population structure analysis in a large collection of white clover ( Trifolium repens L.) germplasm worldwide
White clover is an important temperate legume forage with high nutrition. In the present study, 448 worldwide accessions were evaluated for the genetic variation and polymorphisms using 22 simple sequence repeat (SSR) markers. All the markers were highly informative, a total of 341 scored bands were...
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description | White clover is an important temperate legume forage with high nutrition. In the present study, 448 worldwide accessions were evaluated for the genetic variation and polymorphisms using 22 simple sequence repeat (SSR) markers. All the markers were highly informative, a total of 341 scored bands were amplified, out of which 337 (98.83%) were polymorphic. The PIC values ranged from 0.89 to 0.97 with an average of 0.95. For the AMOVA analysis, 98% of the variance was due to differences within the population and the remaining 2% was due to differences among populations. The white clover accessions were divided into different groups or subgroups based on PCoA, UPGMA, and STRUCTURE analyses. The existence of genetic differentiation between the originally natural and introduced areas according to the PCoA analysis of the global white clover accessions. There was a weak correlation between genetic relationships and geographic distribution according to UPGMA and STRUCTURE analyses. The results of the present study will provide the foundation for future breeding programs, genetic improvement, core germplasm collection establishment for white clover. |
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In the present study, 448 worldwide accessions were evaluated for the genetic variation and polymorphisms using 22 simple sequence repeat (SSR) markers. All the markers were highly informative, a total of 341 scored bands were amplified, out of which 337 (98.83%) were polymorphic. The PIC values ranged from 0.89 to 0.97 with an average of 0.95. For the AMOVA analysis, 98% of the variance was due to differences within the population and the remaining 2% was due to differences among populations. The white clover accessions were divided into different groups or subgroups based on PCoA, UPGMA, and STRUCTURE analyses. The existence of genetic differentiation between the originally natural and introduced areas according to the PCoA analysis of the global white clover accessions. There was a weak correlation between genetic relationships and geographic distribution according to UPGMA and STRUCTURE analyses. The results of the present study will provide the foundation for future breeding programs, genetic improvement, core germplasm collection establishment for white clover.</description><identifier>ISSN: 2167-8359</identifier><identifier>EISSN: 2167-8359</identifier><identifier>DOI: 10.7717/peerj.11325</identifier><identifier>PMID: 33987011</identifier><language>eng</language><publisher>United States: PeerJ. 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For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited. 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In the present study, 448 worldwide accessions were evaluated for the genetic variation and polymorphisms using 22 simple sequence repeat (SSR) markers. All the markers were highly informative, a total of 341 scored bands were amplified, out of which 337 (98.83%) were polymorphic. The PIC values ranged from 0.89 to 0.97 with an average of 0.95. For the AMOVA analysis, 98% of the variance was due to differences within the population and the remaining 2% was due to differences among populations. The white clover accessions were divided into different groups or subgroups based on PCoA, UPGMA, and STRUCTURE analyses. The existence of genetic differentiation between the originally natural and introduced areas according to the PCoA analysis of the global white clover accessions. There was a weak correlation between genetic relationships and geographic distribution according to UPGMA and STRUCTURE analyses. The results of the present study will provide the foundation for future breeding programs, genetic improvement, core germplasm collection establishment for white clover.</description><subject>Agricultural Science</subject><subject>Beans</subject><subject>Biodiversity</subject><subject>Bioinformatics</subject><subject>Biological diversity</subject><subject>Cluster analysis</subject><subject>Cultivars</subject><subject>Genetic analysis</subject><subject>Genetic diversity</subject><subject>Genetic polymorphisms</subject><subject>Genetic relationship</subject><subject>Genetic variation</subject><subject>Genetics</subject><subject>Geographical distribution</subject><subject>Geography</subject><subject>Germplasm</subject><subject>Legumes</subject><subject>Mimosaceae</subject><subject>Plant growth</subject><subject>Plant Science</subject><subject>Polymorphism</subject><subject>Population genetics</subject><subject>Population structure</subject><subject>SSR</subject><subject>Trifolium repens</subject><subject>White clover</subject><issn>2167-8359</issn><issn>2167-8359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNptkk1rGzEQhpfS0oQ0p96LoFBSil19rnYvhRDaNGDoJT2LsXbWltGuttJujO_94ZWdNNil0kFi5plXmo-ieMvoXGumPw-IcTNnTHD1ojjnrNSzSqj65dH9rLhMaUPzqnhJK_G6OBOirjRl7Lz4fYs9js6Sxj1gTG7cEegbMoRh8jC60JM0xsmOU8TsAL9LLhHXEyAe4gqJDd6jPYChJdu1G7PNh6xFrsh9dG3wbupIxAH7RBbzj2SFsRs8pI5sQ_TN1jX4pnjVgk94-XReFD-_fb2_-T5b_Li9u7lezKzSYpw1YGVjOSJvK7HktEYmgFKsdFsqoaWESjHZSku1ViVaBRSY1bWttVACKnFR3D3qNgE2Zoiug7gzAZw5GEJcGYi5GB4NBSFkzcVS10wybQG0lapty5K3CmSTtb48ag3TssPGYj9G8Ceip57erc0qPJiKUSb1_jNXTwIx_JowjaZzyaL30GOYkuGKV0xrmVO_KN7_g27CFHM3DhTjJdPyiFpBTsD1bcjv2r2ouS5LqijlVZ2p-X-ovBvsnA09ti7bTwI-HAWsEfy4TsFP-56nU_DTI2hjSCli-1wMRs1-WM1hWM1hWDP97rh-z-zf0RR_AHuo5MM</recordid><startdate>20210503</startdate><enddate>20210503</enddate><creator>Wu, Feifei</creator><creator>Ma, Sainan</creator><creator>Zhou, Jie</creator><creator>Han, Chongyang</creator><creator>Hu, Ruchang</creator><creator>Yang, Xinying</creator><creator>Nie, Gang</creator><creator>Zhang, Xinquan</creator><general>PeerJ. 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In the present study, 448 worldwide accessions were evaluated for the genetic variation and polymorphisms using 22 simple sequence repeat (SSR) markers. All the markers were highly informative, a total of 341 scored bands were amplified, out of which 337 (98.83%) were polymorphic. The PIC values ranged from 0.89 to 0.97 with an average of 0.95. For the AMOVA analysis, 98% of the variance was due to differences within the population and the remaining 2% was due to differences among populations. The white clover accessions were divided into different groups or subgroups based on PCoA, UPGMA, and STRUCTURE analyses. The existence of genetic differentiation between the originally natural and introduced areas according to the PCoA analysis of the global white clover accessions. There was a weak correlation between genetic relationships and geographic distribution according to UPGMA and STRUCTURE analyses. The results of the present study will provide the foundation for future breeding programs, genetic improvement, core germplasm collection establishment for white clover.</abstract><cop>United States</cop><pub>PeerJ. Ltd</pub><pmid>33987011</pmid><doi>10.7717/peerj.11325</doi><oa>free_for_read</oa></addata></record> |
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subjects | Agricultural Science Beans Biodiversity Bioinformatics Biological diversity Cluster analysis Cultivars Genetic analysis Genetic diversity Genetic polymorphisms Genetic relationship Genetic variation Genetics Geographical distribution Geography Germplasm Legumes Mimosaceae Plant growth Plant Science Polymorphism Population genetics Population structure SSR Trifolium repens White clover |
title | Genetic diversity and population structure analysis in a large collection of white clover ( Trifolium repens L.) germplasm worldwide |
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