Melon diversity on the Silk Road by molecular phylogenetic analysis in Kazakhstan melons

文献类型： 外文期刊

第一作者： Tanaka, Katsunori

作者： Tanaka, Katsunori;Murakami, Ryoma;Ishikawa, Ryuji;Sugiyama, Mitsuhiro;Shigita, Gentaro;Nishida, Hidetaka;Kato, Kenji;Duong, Thanh-Thuy;Aierken, Yasheng;Artemyeva, Anna M.;Mamypbelov, Zharas

作者机构：

关键词： Central Asia; Cucumis melo; diversity; genetic resources; on-farm conservation

期刊名称：BREEDING SCIENCE （ 影响因子：2.4； 五年影响因子：2.8 ）

ISSN： 1344-7610

年卷期： 2023 年

页码：

收录情况： SCI

摘要： To uncover population structure, phylogenetic relationship, and diversity in melons along the famous Silk Road, a seed size measurement and a phylogenetic analysis using five chloroplast genome markers, 17 RAPD markers and 11 SSR markers were conducted for 87 Kazakh melon accessions with reference accessions. Kazakh melon accessions had large seed with exception of two accessions of weedy melon, Group Agrestis, and consisted of three cytoplasm types, of which Ib-1/-2 and Ib-3 were dominant in Kazakhstan and nearby areas such as northwestern China, Central Asia and Russia. Molecular phylogeny showed that two unique genetic groups, STIa-2 with Ib-1/-2 cytoplasm and STIa-1 with Ib-3 cytoplasm, and one admixed group, STIAD combined with STIa and STIb, were prevalent across all Kazakh melon groups. STIAD melons that phylogenetically overlapped with STIa-1 and STIa-2 melons were frequent in the eastern Silk Road region, including Kazakhstan. Evidently, a small population contributed to melon development and variation in the eastern Silk Road. Conscious preservation of fruit traits specific to Kazakh melon groups is thought to play a role in the conservation of Kazakh melon genetic variation during melon production, where hybrid progenies were generated through open pollination.

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