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不同环境下水稻粒形和粒重的全基因组关联研究

Genome-Wide Association Study of Rice Grain Shape and Weight in Different Environments.

作者信息

Wang Nansheng, Zhang Wanyang, Wang Xinchen, Zheng Zhenzhen, Bai Di, Li Keyang, Zhao Xueyu, Xiang Jun, Liang Zhaojie, Qian Yingzhi, Wang Wensheng, Shi Yingyao

机构信息

College of Agronomy, Anhui Agricultural University, Hefei 230000, China.

Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China.

出版信息

Plants (Basel). 2023 Jul 4;12(13):2549. doi: 10.3390/plants12132549.

DOI:10.3390/plants12132549
PMID:37447110
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10347298/
Abstract

Drought is one of the key environmental factors affecting the growth and yield potential of rice. Grain shape, on the other hand, is an important factor determining the appearance, quality, and yield of rice grains. Here, we re-sequenced 275 accessions and then conducted a genome-wide association study (GWAS) on six agronomic traits with the 404,411 single nucleotide polymorphisms (SNPs) derived by the best linear unbiased prediction (BLUP) for each trait. Under two years of drought stress (DS) and normal water (NW) treatments, a total of 16 QTLs associated with rice grain shape and grain weight were detected on chromosomes 1, 2, 3, 4, 5, 7, 8, 11, and 12. In addition, these QTLs were analyzed by haplotype analysis and functional annotation, and one clone () and five new candidate genes were identified in the candidate interval. The findings provide important genetic information for the molecular improvement of grain shape and weight in rice.

摘要

干旱是影响水稻生长和产量潜力的关键环境因素之一。另一方面，谷粒形状是决定水稻谷粒外观、品质和产量的重要因素。在此，我们对275份种质进行了重测序，然后利用对每个性状通过最佳线性无偏预测（BLUP）得出的404,411个单核苷酸多态性（SNP），对六个农艺性状进行了全基因组关联研究（GWAS）。在两年的干旱胁迫（DS）和正常水分（NW）处理下，在第1、2、3、4、5、7、8、11和12号染色体上共检测到16个与水稻谷粒形状和粒重相关的QTL。此外，通过单倍型分析和功能注释对这些QTL进行了分析，并在候选区间鉴定出一个克隆（）和五个新的候选基因。这些发现为水稻谷粒形状和重量的分子改良提供了重要的遗传信息。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/ecd93c1061e5/plants-12-02549-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/a1c79b98a147/plants-12-02549-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/6b3b594ebfe6/plants-12-02549-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/64d8e160f4db/plants-12-02549-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/09e267fd0ab6/plants-12-02549-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/515d1c67301e/plants-12-02549-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/3f8c49835387/plants-12-02549-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/f31aa0d8fb6c/plants-12-02549-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/3f4ff9372d9d/plants-12-02549-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/ecd93c1061e5/plants-12-02549-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/a1c79b98a147/plants-12-02549-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/6b3b594ebfe6/plants-12-02549-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/64d8e160f4db/plants-12-02549-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/09e267fd0ab6/plants-12-02549-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/515d1c67301e/plants-12-02549-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/3f8c49835387/plants-12-02549-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/f31aa0d8fb6c/plants-12-02549-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/3f4ff9372d9d/plants-12-02549-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27cd/10347298/ecd93c1061e5/plants-12-02549-g009.jpg

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本文引用的文献

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Plants (Basel). 2023 Jan 17;12(3):419. doi: 10.3390/plants12030419.
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Molecular bases of rice grain size and quality for optimized productivity.优化水稻产量的籽粒大小和品质的分子基础。
Sci Bull (Beijing). 2023 Feb 15;68(3):314-350. doi: 10.1016/j.scib.2023.01.026. Epub 2023 Jan 18.
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Enhancement of Heat and Drought Stress Tolerance in Rice by Genetic Manipulation: A Systematic Review.
通过基因操作提高水稻对热胁迫和干旱胁迫的耐受性：一项系统综述。
Rice (N Y). 2022 Dec 23;15(1):67. doi: 10.1186/s12284-022-00614-z.
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Targeted manipulation of grain shape genes effectively improves outcrossing rate and hybrid seed production in rice.靶向操控粒形基因可有效提高水稻异交结实率和杂交种子产量。
Plant Biotechnol J. 2023 Feb;21(2):381-390. doi: 10.1111/pbi.13959. Epub 2022 Nov 26.
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Fine-tuning OsCPK18/OsCPK4 activity via genome editing of phosphorylation motif improves rice yield and immunity.通过磷酸化模体的基因组编辑精细调节 OsCPK18/OsCPK4 的活性可提高水稻产量和免疫力。
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