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在Cryptocarya alba的初始生长中,类抗氧化剂的保护:对两种侵入性 Fabaceae 的两种不同反应

Lorena Rodríguez-Cerda¹, Lubia M Guedes¹, Solange Torres²

¹Laboratorio de Semioquímica Aplicada, Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepción, Casilla 160-C, Concepción 4030000, Chile.

Plants (Basel, Switzerland)

|October 28, 2023

概括

侵袭性Fabaceae物种对Cryptocarya alba幼苗的生长和抗氧化能力产生负面影响. 尽管有压力,C. alba的生存是通过抗氧化机制来确保的,尽管最初的增长减少了.

科学领域:

植物生态学植物生态学
侵入性物种生物学生物学
生物化学生物化学

背景情况:

侵袭性 Fabaceae,Ulex europaeus和Teline monspessulana,构成了生态威胁.
一种植物对另一种植物的化学抑制,是入侵的关键机制.
阿尔巴加密虫幼苗容易受到来自入侵物种的列病性压力.

研究的目的:

调查U. europaeus和T. monspessulana对C. alba幼苗的等位基效应.
确定对C. alba.中化合物产生和抗氧化机制的影响.
评估在异构病性压力下生存和生长之间的权衡.

主要方法:

在C. alba的苗木中,使用T. monspessulana (TE) 和U. europaeus (UE) 的提取物进行了处理.
测量了形态测量变量,并用叶子组织进行了基因化学分析.
在叶子提取物中量化安东素,和抗氧化活性.

主要成果:

这两种入侵物种都抑制了C. alba的形态变量.
TE增加了4.9倍的抗生素含量,但没有改变含量;诱导叶子损伤.
UE降低了含量并诱导根损伤;安东含量没有受到影响.

结论:

从这两种入侵物种中提取的等位基因提取物改变了C. alba.的形状并降低了其抗氧化能力.
阿尔巴菌会激活抗氧化防御 (,红素,ROS积累) 以确保生存,即使以牺牲生长为代价.
观察到不同的反应,TE影响氨酸,UE影响醇.

关键词:

电话专用电话专用电话专用电话乌莱克斯欧洲动物 (Ulex europaeus)所有的化物.水性提取物中的水性提取物.侵入性植物侵入性植物

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