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紫米的基因型变异是对产量阴影的反应,安东含量和基因表达的反应

Nantapat Danpreedanan¹, Supapohn Yamuangmorn², Sansanee Jamjod^1,2

¹Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand.

Plants (Basel, Switzerland)

|July 14, 2023

概括

紫色米 (Oryza sativa L.) 降低了产量,但增加了素含量. 基因表达是多样化的,这表明一些品种可以容忍低光对高安托素的生产.

科学领域:

农业科学农业科学
植物生理学植物生理学
生物化学生物化学

背景情况:

紫米 (Oryza sativa L.) 的价值是因为其抗氧化剂安托西亚尼含量.
米中的安托西亚宁生产依赖于光线,阴影可能会影响生物合成基因.
了解光,素和基因表达之间的相互作用对于优化种植至关重要.

研究的目的:

为了确定四种紫米品种在不同阴影水平下的产量和素含量.
为了评估阴影对OsDFR基因表达的影响.
在不同的光照条件下阐明谷物安东素,基因表达和叶子颜色之间的关系.

主要方法:

进行了四个阴影水平 (0%,30%,50%,70%) 作为主要图片的分割图片设计实验.
四种紫米品种 (KJ CMU-107,K2,K4,KDK10) 被用作子地块.
测量包括产量,产量组件,谷物中安东含量,以及从合成到成熟的OsDFR基因表达.

主要成果:

遮阳显著降低了产量和产量组成部分,但增加了谷物中抗生素含量.
在紫色和绿色叶子品种之间,产量和素对阴影的反应没有显著差异.
OsDFR基因表达随着阴影水平的变化而变化;它在K4的30%阴影和KDK10的50%阴影处是最高的,并且在绿叶品种中未被检测到.

结论:

一些紫色大米品种表现出阴影耐受性,在弱光下保持高的抗素含量,产量损失最小.
在光应激下,谷物中的安托西亚宁积累和OsDFR基因表达可能与叶子颜色没有直接联系.
进一步研究光强度对安东素合成途径和基因的影响是有必要的.

关键词:

这是OSDFR.含有安托西亚尼的含量低光强度的低光强度的低光强度.紫色的米饭是什么意思阴影压力的压力.收益率收益率收益率收益率

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