Lignin monomeric composition in soybean seed coats and resistance to mechanical damage

IF 1.1 4区农林科学 Q3 AGRONOMY

Journal of Seed Science Pub Date : 2023-01-01 DOI:10.1590/2317-1545v45273211

Thaís Valério Raimundo Menino, Breno Miguel Joia, Aline Marengoni Almeida, Francisco Carlos Krzyzanowski, Rogério Marchiosi, Osvaldo Ferrarese-Filho

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Abstract

Abstract: Soybean seeds are crucial for global food production. Various factors affect the quality of soybean seeds, including mechanical damage, which can lead to reduced germination potential and decreased seedling vigor. The presence of lignin in the seed coat contributes to resistance to mechanical damage. However, the relationship between the monomeric composition of lignin and mechanical damage is unknown. To fill this gap, we evaluated the contents of monomers hydroxyphenyl (H), guaiacyl (G), and syringyl (S) in seed coats of three cultivars of soybean, namely, Doko, IAS-5, and Savana. The results revealed that the monomeric composition of lignin varied between resistant and susceptible cultivars. The levels of G and S monomers were inverse in the cultivars Doko and Savana, suggesting that the composition of lignin monomers may play a crucial role in the resistance of soybean seeds to mechanical damage. In addition, negative linear regressions between lignin and S monomer contents and S/G ratios could be helpful as an alternative to identify resistance in soybean seeds.

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大豆种皮中木质素单体组成及抗机械损伤性

摘要:大豆种子对全球粮食生产至关重要。影响大豆种子品质的因素很多，包括机械损伤，会导致发芽势降低，幼苗活力下降。种皮中木质素的存在有助于抵抗机械损伤。然而，木质素的单体组成与机械损伤之间的关系尚不清楚。为了填补这一空白，我们对Doko、IAS-5和Savana三个大豆品种种皮中羟基苯基(H)、愈创木酰基(G)和丁香基(S)的含量进行了测定。结果表明，木质素的单体组成在抗性和敏感品种之间存在差异。木质素单体G和S的含量在Doko和Savana品种中呈反比，表明木质素单体的组成可能在大豆种子抗机械损伤中起关键作用。此外，木质素与S单体含量和S/G比之间的负线性回归可以作为鉴定大豆种子抗性的替代方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.00

自引率

30.00%

发文量

审稿时长

12 weeks

期刊介绍： From 2017 the Journal of Seed Science (JSS) will circulate online version only. Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version. The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area. The Editorial Board of the JSS may invite leading authors of recognized reputation to compose specific Review Articles covering topics of their specialization that will convey to the scientific community the state-of-the-art knowledge related to the specific theme.

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