Genome-wide association study in accessions of the mini-core collection of mungbean ( Vigna radiata ) from the World Veg
- PDF / 1,207,056 Bytes
- 9 Pages / 595.276 x 790.866 pts Page_size
- 44 Downloads / 215 Views
RESEARCH
Open Access
Genome-wide association study in accessions of the mini-core collection of mungbean (Vigna radiata) from the World Vegetable Gene Bank (Taiwan) Alena Sokolkova1, Marina Burlyaeva2, Tatjana Valiannikova3, Margarita Vishnyakova2, Roland Schafleitner4, Cheng-Ruei Lee5, Chau-Ti Ting5, Ramakrishnan Madhavan Nair6, Sergey Nuzhdin1,7, Maria Samsonova1* and Eric von Wettberg1,8* From Fifth International Scientific Conference “Plant Genetics, Genomics, Bioinformatics, and Biotechnology” (PlantGen2019) Novosibirsk, Russia. 24-29 June 2019
Abstract Background: Mungbean (Vigna radiata (L.) R. Wilczek, or green gram) is important tropical and sub-tropical legume and a rich source of dietary protein and micronutrients. In this study we employ GWAS to examine the genetic basis of variation in several important traits in mungbean, using the mini-core collection established by the World Vegetable Center, which includes 296 accessions that represent the major market classes. This collection has been grown in a common field plot in southern European part of Russia in 2018. Results: We used 5041 SNPs in 293 accessions that passed strict filtering for genetic diversity, linkage disequilibrium, population structure and GWAS analysis. Polymorphisms were distributed among all chromosomes, but with variable density. Linkage disequilibrium decayed in approximately 105 kb. Four distinct subgroups were identified within 293 accessions with 70% of accessions attributed to one of the four populations. By performing GWAS on the mini-core collection we have found several loci significantly associated with two important agronomical traits. Four SNPs associated with possibility of maturation in Kuban territory of Southern Russia in 2018 were identified within a region of strong linkage which contains genes encoding zinc finger A20 and an AN1 domain stress-associated protein. (Continued on next page)
* Correspondence: [email protected]; [email protected] 1 Peter the Great St. Petersburg Polytechnic University, Department of Applied Mathematics, St. Petersburg, Russia Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative
Data Loading...
