Breeding a black soybean line with green cotyledon free from lectin, KTI, P34, lipoxygenase, and stachyose

IF 1.6 3区 农林科学 Q2 AGRONOMY Euphytica Pub Date : 2024-07-29 DOI:10.1007/s10681-024-03391-6
Sarath Ly, Byeong Eon Park, Sang In Shim, Min Chul Kim, Jin Young Moon, Jong Il Chung
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Abstract

Black soybeans with green cotyledon have long been widely consumed in the East due to their high content of health-promoting anthocyanins and lutein. However, major anti-nutritional and allergenic components such as lectin, Kunitz trypsin inhibitor (KTI), P34, lipoxygenase, and stachyose are contained in mature seed. The objective of this research is to breed a soybean line with a black seed coat, a green cotyledon, and the penta null genotype (lele-titi-p34p34-lox1lox1lox2lox2lox3lox3-rs2rs2) for all five components. The F2 plant strain with penta null genotype for lectin, KTI, P34, lipoxygenase, and stachyose components was developed. The breeding line has purple flower, determinate growth habit, brown pod, black seed coat and green cotyledon. The stem height of the breeding line was 57.0 cm and 100 seed weight was 31.5 g. This is the first soybean breeding line with black seed coat, green cotyledon and penta null genotypes for lectin, KTI, P34, lipoxygenase, and stachyose factors. This line will be used as parent to improve a black soybean cultivar with green cotyledon that have significantly reduced anti-nutritional and allergenic traits.

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培育不含凝集素、KTI、P34、脂肪氧化酶和水苏糖的绿色子叶黑大豆品系
子叶绿色的黑大豆由于含有大量促进健康的花青素和叶黄素,长期以来在东方被广泛食用。然而,成熟种子中含有主要的抗营养和致敏成分,如凝集素、库尼茨胰蛋白酶抑制剂(KTI)、P34、脂肪氧化酶和水苏糖。本研究的目的是培育出一个具有黑色种皮、绿色子叶和 penta 空基因型(lele-titi-p34p34-lox1lox1lox2lox2lox3lox3-rs2rs2)的大豆品系,以获得所有五种成分。育成的 F2 株系在凝集素、KTI、P34、脂氧合酶和水苏糖成分上都具有 penta 基因型。该育种品系具有紫色花、行列式生长习性、棕色豆荚、黑色种皮和绿色子叶。这是第一个具有黑色种皮、绿色子叶和凝集素、KTI、P34、脂氧合酶和水苏糖五项无效基因型的大豆育种品系。该品系将被用作改良具有绿色子叶的黑大豆栽培品种的亲本,这种栽培品种的抗营养和致敏性状显著减少。
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来源期刊
Euphytica
Euphytica 农林科学-农艺学
CiteScore
3.80
自引率
5.30%
发文量
157
审稿时长
4.5 months
期刊介绍: Euphytica is an international journal on theoretical and applied aspects of plant breeding. It publishes critical reviews and papers on the results of original research related to plant breeding. The integration of modern and traditional plant breeding is a growing field of research using transgenic crop plants and/or marker assisted breeding in combination with traditional breeding tools. The content should cover the interests of researchers directly or indirectly involved in plant breeding, at universities, breeding institutes, seed industries, plant biotech companies and industries using plant raw materials, and promote stability, adaptability and sustainability in agriculture and agro-industries.
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