在面包小麦中鉴定了编码X型谷蛋白的Glu-B1-1基因的新核酸序列
1Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia Federal Research Center the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), St. Petersburg, Russia.
Vavilovskii zhurnal genetiki i selektsii
|October 9, 2023
概括
研究人员在面包小麦的Glu-B1-1基因中发现了新的遗传变异. 高分子量谷蛋白基因中的这些突变可以改变蛋白质结构,并且对小麦品种的基因定型有用.
科学领域:
- 农业科学 农业科学
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
背景情况:
- 面包小麦具有显著的遗传潜力,可以开发具有优越谷物技术和质性质的品种.
- 了解这些特征的遗传基础,特别是通过基因多态性研究,对于作物改进至关重要.
研究的目的:
- 在三种面包小麦品种中测序和分析Glu-B1-1基因的核酸和预测的氨基酸序列.
- 识别Glu-B1-1基因中的新型遗传变异及其对蛋白质结构的影响.
主要方法:
- 面包小麦品种和Glu-B1-1基因的基因定型.
- 核酸序列的比较分析.
- 预测的氨基酸序列的调整.
主要成果:
- 在"阿维斯塔"的Glu-B1-1基因",列宁格拉德卡克鲁普诺泽纳亚"和C-75094.4系中发现了以前未被描述的删除和单核酸替代.
- "阿维斯塔"和C-75094中的删除局部存在于中央蛋白质域中,影响含量.
- 在"Leningradka krupnozernaya"中的替代物导致氨基酸序列的改变,包括减少特定的重复.
结论:
- 在Glu-B1-1基因中发现了新的突变,影响高分子量谷蛋白蛋白质结构.
- 这些已识别的遗传变异为面包小麦品种的基因定型提供了有价值的标记.
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