小黑麦的颗粒硬度:物理和分子评价

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2020-06-22 DOI:10.17221/96/2019-cjgpb

Veronika Kselíková, T. Vyhnánek, P. Hanáček, P. Martínek

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引用次数: 5

摘要

谷物硬度是谷物的一个重要品质性状。在本工作中，使用粒径指数（PSI）来评估13个小黑麦基因型、3个小麦基因型和1个黑麦基因型在随后的两个季节中生长的籽粒硬度的变异性。小黑麦样品的PSI值在7.7%至19.2%之间，代表中等硬度至非常坚硬的谷物。此外，对硬度（Ha）基因座中的基因进行测序显示，籽粒硬度基因，即secaroidoline-a（Sina）和secaroiduline-b（Sinb）的遗传变异性有限。两个可能的新的等位基因变体被鉴定出来，每个基因都有一个。小麦籽粒硬度的变异性及其候选基因的多态性是培育具有改良籽粒硬度的小黑麦新品种的良好起点。

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Grain hardness in triticale: a physical and molecular evaluation

Grain hardness is an important quality trait of cereals. In the present work, the particle size index (PSI) was used to assess the variability in grain hardness of thirteen triticale genotypes, three wheat genotypes and one rye genotype grown in two subsequent seasons. The PSI values of the triticale samples ranged between 7.7 to 19.2%, representing a medium hard to a very hard grain. Moreover, the sequencing of genes in the Hardness (Ha) locus revealed a limited genetic variability in the grain hardness genes, namely secaloindoline-a (Sina) and secaloindoline-b (Sinb). Two possible new allelic variants were identified, one for each of the secaloindoline genes. The existing variability in the grain hardness as well as polymorphisms in its candidate genes are a good starting point for efforts in breeding new varieties of triticale with improved grain hardness.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.