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鉴定与作物（亚麻）种子脂肪酸含量相关的SSR标记

Identifying SSR Markers Related to Seed Fatty Acid Content in Crop ( L.).

作者信息

Park Hyeon, Sa Kyu Jin, Hyun Do Yoon, Lee Sookyeong, Lee Ju Kyong

机构信息

Department of Applied Plant Sciences, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea.

Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Korea.

出版信息

Plants (Basel). 2021 Jul 9;10(7):1404. doi: 10.3390/plants10071404.

DOI:10.3390/plants10071404
PMID:34371607
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8309404/
Abstract

seed oil has been attracting attention in South Korea as a health food. Five fatty acids of 100 accessions were identified as follows: palmitic acid (PA) (5.10-9.13%), stearic acid (SA) (1.70-3.99%), oleic acid (OA) (11.1-21.9%), linoleic acid (LA) (10.2-23.4%), and linolenic acid (LNA) (54.3-75.4%). Additionally, the 100 accessions were divided into two groups (high or low) based on the total fatty acid content (TFAC). By using an association analysis of 40 simple sequence repeat (SSR) markers and the six seed oil traits in the 100 accessions, we detected four SSR markers associated with TFAC, five SSR markers associated with LNA, one SSR marker associated with LA, two SSR markers each associated with OA and PA, and four SSR markers associated with SA. Among these SSR markers, four SSR markers (KNUPF14, KNUPF62, KNUPF72, KNUPF85) were all associated with TFAC and LNA. Moreover, two SSR markers (KNUPF62, KNUPF85) were both associated with TFAC, LNA, and OA. Therefore, these SSR markers are considered to be useful molecular markers for selecting useful accessions related to fatty acid contents in germplasm and for improving the seed oil quality of crop through marker-assisted selection (MAS) breeding programs.

摘要

籽油作为一种健康食品在韩国一直备受关注。对100份种质的五种脂肪酸进行了如下鉴定：棕榈酸（PA）（5.10 - 9.13%）、硬脂酸（SA）（1.70 - 3.99%）、油酸（OA）（11.1 - 21.9%）、亚油酸（LA）（10.2 - 23.4%）和亚麻酸（LNA）（54.3 - 75.4%）。此外，根据总脂肪酸含量（TFAC）将这100份种质分为两组（高或低）。通过对100份种质中40个简单序列重复（SSR）标记与六种籽油性状进行关联分析，我们检测到四个与TFAC相关的SSR标记、五个与LNA相关的SSR标记、一个与LA相关的SSR标记、两个分别与OA和PA相关的SSR标记以及四个与SA相关的SSR标记。在这些SSR标记中，四个SSR标记（KNUPF14、KNUPF62、KNUPF72、KNUPF85）均与TFAC和LNA相关。此外，两个SSR标记（KNUPF62、KNUPF85）均与TFAC、LNA和OA相关。因此，这些SSR标记被认为是用于在种质中选择与脂肪酸含量相关的有用种质以及通过标记辅助选择（MAS）育种计划改善作物籽油品质的有用分子标记。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/06d740e8100f/plants-10-01404-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/ef832e6707b0/plants-10-01404-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/d508c3381312/plants-10-01404-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/f22358f251a2/plants-10-01404-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/06d740e8100f/plants-10-01404-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/ef832e6707b0/plants-10-01404-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/d508c3381312/plants-10-01404-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/f22358f251a2/plants-10-01404-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/82b3/8309404/06d740e8100f/plants-10-01404-g004.jpg

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