耐盐油菜品种Na+分配的多样性。

IF 2 4区 农林科学 Q2 AGRONOMY Breeding Science Pub Date : 2022-09-01 DOI:10.1270/jsbbs.22012
Yusaku Noda, Ryohei Sugita, Atsushi Hirose, Naoki Kawachi, Keitaro Tanoi, Jun Furukawa, Ken Naito
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引用次数: 3

摘要

野生种是一种很好的耐各种胁迫的资源,包括盐度。我们之前已经筛选了Vigna属的遗传资源,并鉴定了几个独立进化出耐盐性的材料。然而,这种耐受性的许多方面仍然未知。因此,我们使用放射性钠(22Na+)放射自显影技术和电感耦合等离子体质谱(ICP-MS)来观察和比较角凤尾(Vigna angularis)的Na+分配。Ohwi & H.Ohashi(红豆),Vigna nakashimae (Ohwi) Ohwi & H.Ohashi, Vigna riukiuensis (Ohwi) Ohwi & H.Ohashi, Vigna luteola (Jacq)Benth。和Vigna marina (Burm)。稳定. .结果表明:1)与红豆相比,耐盐品种能抑制Na+积累。2)中岛弧菌和滨海弧菌通过积累较多的K+来达到这一目的,而柳基乌弧菌和luteola弧菌通过其他机制达到这一目的。3)紫菜通过将多余的Na+分配给新展开的叶片来避免盐的脱落。由于耐受性物种的机制不同,可以通过传统育种或基因工程或基因组编辑将它们堆积在一种作物中。
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Diversity of Na+ allocation in salt-tolerant species of the genus Vigna.

Wild species in the genus Vigna are a great resource of tolerance to various stresses including salinity. We have previously screened the genetic resources of the genus Vigna and identified several accessions that have independently evolved salt tolerance. However, many aspects of such tolerance have remained unknown. Thus, we used autoradiography with radioactive sodium (22Na+) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to visualize and compare Na+ allocation in Vigna angularis (Willd.) Ohwi & H.Ohashi (azuki bean), Vigna nakashimae (Ohwi) Ohwi & H.Ohashi, Vigna riukiuensis (Ohwi) Ohwi & H.Ohashi, Vigna luteola (Jacq.) Benth. and Vigna marina (Burm.) Merr.. The results indicated: 1) Tolerant accessions suppress Na+ accumulation compared to azuki bean. 2) V. nakashimae and V. marina does so by accumulating higher amount of K+, whereas V. riukiuensis and V. luteola does so by other mechanisms. 3) V. luteola avoids salt-shedding by allocating excess Na+ to newly expanded leaves. As the mechanisms of the tolerant species were different, they could be piled up in a single crop via classical breeding or by genetic engineering or genome editing.

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来源期刊
Breeding Science
Breeding Science 农林科学-农艺学
CiteScore
4.90
自引率
4.20%
发文量
37
审稿时长
1.5 months
期刊介绍: Breeding Science is published by the Japanese Society of Breeding. Breeding Science publishes research papers, notes and reviews related to breeding. Research Papers are standard original articles. Notes report new cultivars, breeding lines, germplasms, genetic stocks, mapping populations, database, software, and techniques significant and useful for breeding. Reviews summarize recent and historical events related breeding. Manuscripts should be submitted by corresponding author. Corresponding author must have obtained permission from all authors prior to submission. Correspondence, proofs, and charges of excess page and color figures should be handled by the corresponding author.
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