{"id":436,"date":"2018-07-19T08:00:55","date_gmt":"2018-07-19T11:00:55","guid":{"rendered":"http:\/\/pressreleases.scielo.org\/en\/?p=436"},"modified":"2023-03-28T13:49:54","modified_gmt":"2023-03-28T16:49:54","slug":"study-genotypes-southwestern-chinese-wheat-varieties","status":"publish","type":"post","link":"https:\/\/pressreleases.scielo.org\/en\/2018\/07\/19\/study-genotypes-southwestern-chinese-wheat-varieties\/","title":{"rendered":"Study genotypes southwestern Chinese wheat varieties"},"content":{"rendered":"

By Tianqing Chen, School of Crop Production Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand<\/strong>\"\"<\/a><\/p>\n

In the experiment \u201cPopulation structure of Chinese southwest wheat germplasms resistant to stripe rust and powdery mildew using the DArT-seq technique\u201d, published in Ci\u00eancia Rural<\/em> (vol. 48, no. 4), the researchers genotyped the whole genome of wheat cultivars from southwestern China using the DART-seq\u2122 technique. In the analysis, they obtained 30,485 markers and two groups of wheat varieties, identified by means of principal-coordinate analysis (PCoA) at the whole genome level and at the 6AS chromosome level. In addition to obtaining group I and group II, the researchers were also able to identify six subgroups of wheats, based on their origin, pedigree and disease resistance.<\/p>\n

According to the researcher Tianqing Chen, the data obtained in the research are useful for future studies on strains of wheat cultivars. “The genetic diversity and population structure of wheat in southwestern China can guide producers to broaden the genetic base of wheat germplasm and select the right pairs for crosses”. In addition, this information can also be used to map disease resistance in these cultivars.<\/p>\n

This research innovates by mapping the genetic diversity and population structure of wheat in southwestern China, a subject that has not yet been studied in the field. Genetic studies of wheat using different methods and techniques have already been made in other parts of the world, such as those made by Lopes, et al<\/em>. (2015), Prasad, et al<\/em>. (2000) and Zhang, et al<\/em>. (2011). This study is distinguished from these others by the use of the DArT-seq technique that had not yet been tested for the study of wheat cultivars.<\/p>\n

References<\/h3>\n

LOPES, M.S., et al<\/em>. Genetic characterization of the wheat association mapping initiative (WAMI) panel for dissection of complex traits in spring wheat. Theoretical and Applied Genetics<\/em> [online]. 2015, vol. 128, no. 3, pp. 453-464, eISSN: 1432-2242 [viewed 19 July 2018]. DOI: 10.1007\/s00122-014-2444-2<\/a>. Available from: https:\/\/link.springer.com\/article\/10.1007%2Fs00122-014-2444-2<\/a><\/p>\n

PRASAD, M., et al<\/em>. The use of microsatellites for detecting DNA polymorphism, genotype identification and genetic diversity in wheat. Theoretical and Applied Genetics<\/em> [online]. 2000, vol. 100, no. 3\/4, pp. 584-592, eISSN: 1432-2242 [viewed 19 July 2018]. DOI: 10.1007\/s001220050077<\/a>. Available from https:\/\/link.springer.com\/article\/10.1007%2Fs001220050077<\/a><\/p>\n

ZHANG, L., et al<\/em>. Investigation of genetic diversity and population structure of common wheat cultivars in northern China using DArT markers. BMC Genetics<\/em> [online]. 2011, vol. 12, no. 1, pp. 42, ISSN: 1471-2156 [viewed 19 July 2018]. DOI: 10.1186\/1471-2156-12-42<\/a>. Available from: https:\/\/bmcgenet.biomedcentral.com\/articles\/10.1186\/1471-2156-12-42<\/a><\/p>\n

To read the article, access it<\/h3>\n

CHEN, T., et al<\/em>. Population structure of Chinese southwest wheat germplasms resistant to stripe rust and powdery mildew using the DArT-seq technique. Cienc. Rural<\/em> [online]. 2018, vol. 48, no. 4, e20160066, ISSN: 0103-8478 [viewed 19 July 2018]. DOI: 10.1590\/0103-8478cr20160066<\/a>. Available from: http:\/\/ref.scielo.org\/q46nt3<\/a><\/p>\n

External link<\/h3>\n

Ci\u00eancia Rural \u2013 CR: <http:\/\/www.scielo.br\/cr<\/a>><\/p>\n","protected":false},"excerpt":{"rendered":"

Through the genotyping of 138 samples, researchers mapped two groups of wheat varieties from southwestern China. Group I presented non-T6VS\/6A1 lines from different origins, while group II presented T6VS\/6A1 lines, most of which originated from Guizhou, China. The study, conducted by researchers at the Suranaree University of Technology in Thailand and the Guizhou Academy of Agricultural Sciences in China. …<\/span> Read More →<\/span><\/a><\/span><\/p>\n","protected":false},"author":199,"featured_media":52,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3,20,12],"tags":[192,21],"class_list":["post-436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agricultural-sciences","category-cr","category-press-releases","tag-agronomy","tag-ciencia-rural"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t