Ultraviolet-B radiation co-opts defense signaling pathways

被引：100

作者：

Stratmann, J ^{[1
]}

机构：

[1] Univ S Carolina, Dept Biol Sci, Columbia, SC 29208 USA

来源：

TRENDS IN PLANT SCIENCE | 2003年 / 8卷 / 11期

关键词：

D O I：

10.1016/j.tplants.2003.09.011

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Plants in the field exposed to ambient solar ultraviolet-B (UV-B) radiation (280-320 nm) often show an increased resistance to herbivorous insects compared with control plants grown under filters that exclude the UV-B component of solar radiation. This corresponds with a significant overlap in gene expression between the UV-B and the wounding/herbivory response. Furthermore, wound-responsive signaling components such as mitogen-activated protein kinases are activated by UV-B. A mechanistic explanation for these overlaps might be that UV-B co-opts cell surface receptors for defense signals such as systemin and oligosaccharide elicitors in a ligand-independent manner.

引用

页码：526 / 533

页数：8

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