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的可用性调节胡卜生物合成,染色体生物发生和胡卜的细胞壁组成

Tomasz Oleszkiewicz¹, Katarzyna Sala-Cholewa², Kamila Godel-Jędrychowska²

¹Department of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. Mickiewicza 21, 31-120, Krakow, Poland. t.oleszkiewicz@urk.edu.pl.

Plant cell reports

|January 17, 2025

概括

胡卜中的增加减少了胡卜的积累,并改变了基因表达,塑类型和细胞壁组成. 这项研究揭示了如何影响植物代谢和发育.

科学领域:

植物生理学植物生理学
分子生物学分子生物学
生物化学生物化学

背景情况:

胡卜素生物合成对于植物的发育和质量至关重要.
在不同的营养条件下,对胡卜素生物合成的调节还不太清楚.
(N) 的可用性是影响植物代谢过程的关键因素.

研究的目的:

研究的可用性对胡卜积累和相关分子和细胞变化的影响.
探索不同的含量和比例如何影响基因表达,塑体形态和细胞壁组成.

主要方法:

在含有不同和NO3−/NH4+比例的介质上种植的胡卜.
高性能液体色谱 (HPLC) 用于胡卜素分析.
传输电子显微镜 (TEM) 用于塑体形态学.
细胞壁组件的免疫化学.
用于基因表达造型的RNA测序 (RNA-Seq).

主要成果:

补充剂减少了50%的胡卜素含量,特别是β-胡卜素和α-胡卜素.
染色体类型的转变从球状/晶状到囊状在N处理的质中占主导地位.
在N处理细胞的细胞壁中增加了高化pectins和arabinogalactan蛋白的存在.
1704个基因的差异表达,包括关键的胡卜素生物合成基因 (PSY2,ZEP) 和参与运输,同化,细胞壁修饰和烯胺通路的基因.

结论:

的可用性显著扰乱了胡卜的胡卜生物合成.
改变的含量会触发广泛的染色体和细胞壁重塑.
研究结果提供了关于植物中营养调节的代谢转变的见解.

关键词:

达库斯·卡罗塔 (Daucus carota) 是一个大的植物.氨运输商氨运输商阿拉伯人的银河系蛋白质.胡卜素是一种胡卜素.染色体超结构的超结构亚酸盐运输商亚酸盐运输商质素 (pectins) 是一种质素.植物合成酶的作用.

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