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与大豆品种丰月水耐寒诱导种子开裂相关的一个新的数量性状位点。

A novel QTL associated with tolerance to cold-induced seed cracking in the soybean cultivar Toyomizuki.

作者信息

Yamaguchi Naoya, Sato Yumi, Taguchi-Shiobara Fumio, Yamashita Kazuki, Kawasaki Michio, Ishimoto Masao, Senda Mineo

机构信息

Hokkaido Research Organization Tokachi Agricultural Experiment Station, Shinsei, Memuro-cho, Kasai-gun, Hokkaido 082-0081, Japan.

Faculty of Agriculture and Life Science, Hirosaki University, Bunkyo, Hirosaki, Aomori 036-8561, Japan.

出版信息

Breed Sci. 2023 Apr;73(2):204-211. doi: 10.1270/jsbbs.22066. Epub 2023 Apr 25.

DOI:10.1270/jsbbs.22066
PMID:37404349
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10316309/
Abstract

Low temperatures after flowering cause seed cracking (SC) in soybean. Previously, we reported that proanthocyanidin accumulation on the dorsal side of the seed coat, controlled by the locus, may lead to cracked seeds; and that homozygous alleles at the locus confer SC tolerance in the line Toiku 248. To discover new genes related to SC tolerance, we evaluated the physical and genetic mechanisms of SC tolerance in the cultivar Toyomizuki (genotype ). Histological and texture analyses of the seed coat revealed that the ability to maintain hardness and flexibility under low temperature, regardless of proanthocyanidin accumulation in the dorsal seed coat, contributes to SC tolerance in Toyomizuki. This indicated that the SC tolerance mechanism differed between Toyomizuki and Toiku 248. A quantitative trait loci (QTL) analysis of recombinant inbred lines revealed a new, stable QTL related to SC tolerance. The relationship between this new QTL, designated as , and SC tolerance was confirmed in residual heterozygous lines. The distance between and the previously identified QTL , which is likely the allele, was estimated to be 2-3 Mb, so it will be possible to pyramid these regions to develop new cultivars with increased SC tolerance.

摘要

开花后低温会导致大豆种子开裂（SC）。此前，我们报道过，由该位点控制的原花青素在种皮背侧积累可能会导致种子开裂；并且该位点的纯合等位基因赋予了Toiku 248品系对种子开裂的耐受性。为了发现与种子开裂耐受性相关的新基因，我们评估了品种丰月水（基因型 ）对种子开裂耐受性的物理和遗传机制。种皮的组织学和质地分析表明，无论种皮背侧原花青素是否积累，在低温下保持硬度和柔韧性的能力有助于丰月水对种子开裂的耐受性。这表明丰月水和Toiku 248的种子开裂耐受性机制不同。对重组自交系进行的数量性状位点（QTL）分析揭示了一个与种子开裂耐受性相关的新的稳定QTL。在剩余杂合系中证实了这个新的QTL（命名为 ）与种子开裂耐受性之间的关系。估计 与之前鉴定的可能是 等位基因的QTL 之间的距离为2 - 3 Mb，因此有可能将这些区域聚合以培育出种子开裂耐受性增强的新品种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/91785daba7b8/73_204-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/41308b1b38a1/73_204-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/e10a3fe2b064/73_204-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/30d63782bd60/73_204-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/c5e4ce84af9e/73_204-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/47b801c7f206/73_204-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/91785daba7b8/73_204-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/41308b1b38a1/73_204-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/e10a3fe2b064/73_204-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/30d63782bd60/73_204-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/c5e4ce84af9e/73_204-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/47b801c7f206/73_204-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0c1/10316309/91785daba7b8/73_204-g006.jpg

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本文引用的文献

1
A pubescence color gene enhances tolerance to cold-induced seed cracking in yellow soybean.一个茸毛色基因增强了黄大豆对冷诱导种子开裂的耐受性。
Breed Sci. 2021 Sep;71(4):467-473. doi: 10.1270/jsbbs.21035. Epub 2021 Aug 27.
2
Field assessment of a major QTL associated with tolerance to cold-induced seed coat discoloration in soybean.大豆中与耐冷诱导种皮变色相关的一个主要数量性状位点的田间评估
Breed Sci. 2019 Sep;69(3):521-528. doi: 10.1270/jsbbs.19024. Epub 2019 Jul 19.
3
Nonallelic homologous recombination events responsible for copy number variation within an RNA silencing locus.
导致RNA沉默位点内拷贝数变异的非等位基因同源重组事件。
Plant Direct. 2019 Aug 27;3(8):e00162. doi: 10.1002/pld3.162. eCollection 2019 Aug.
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Occurrence and tolerance mechanisms of seed cracking under low temperatures in soybean (Glycine max).大豆（Glycine max）低温下种子开裂的发生和耐受机制。
Planta. 2018 Aug;248(2):369-379. doi: 10.1007/s00425-018-2912-z. Epub 2018 May 8.
5
Accumulation of proanthocyanidins and/or lignin deposition in buff-pigmented soybean seed coats may lead to frequent defective cracking.原花青素的积累和/或木质素在浅黄色大豆种皮中的沉积可能导致频繁的缺陷性开裂。
Planta. 2017 Mar;245(3):659-670. doi: 10.1007/s00425-016-2638-8. Epub 2016 Dec 19.
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Method for selection of soybeans tolerant to seed cracking under chilling temperatures.耐低温裂荚大豆的选育方法。
Breed Sci. 2014 May;64(1):103-8. doi: 10.1270/jsbbs.64.103.
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