Distribution of flagellin CD2-1, flg22, and flgII-28 recognition systems in plant species and regulation of plant immune responses through these recognition systems
Distribution of flagellin CD2-1, flg22, and flgII-28 recognition systems in plant species and regulation of plant immune responses through these recognition systems
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鞭毛蛋白 CD2-1、flg22 和 flgII-28 识别系统在植物物种中的分布以及通过这些识别系统调节植物免疫反应
DOI：
10.1093/bbb/zbac007
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
Fang-Sik Che
中科院分区：
文献类型：
--
作者：
Takahiko Murakami;Yuya Katsuragi;Hiroyuki Hirai;Koki Wataya;Machiko Kondo;Fang-Sik Che
植物主动免疫的第一层依赖于病原相关分子模式（PAMPs）的识别和PTI的诱导。鞭毛蛋白是细菌鞭毛的主要蛋白质组分。鞭毛蛋白衍生的肽片段如CD 2 -1、flg 22和flgII-28在大多数高等植物中作为PAMP起作用。为了确定CD 2 -1、flg 22和flgII-28识别系统在植物物种中的分布，研究了8种植物物种（包括单子叶和双子叶植物）中CD 2 -1、flg 22和flgII-28对PTI的诱导。CD 2 -1在水稻、二穗短柄草和白芦笋中引起PTI反应，flg 22在毛竹、白芦笋中引起PTI反应。persicus、拟南芥、烟草、番茄和百脉根; flgII-28仅在番茄中引起PTI反应。此外，FLS 2受体的定量分析表明，flg 22在植物中的反应性依赖于受体的表达水平。
The first layer of active plant immunity relies upon the recognition of pathogen-associated molecular patterns (PAMPs), and the induction of PTI. Flagellin is the major protein component of the bacterial flagellum. Flagellin-derived peptide fragments such as CD2-1, flg22, and flgII-28 function as PAMPs in most higher plants. To determine the distribution of CD2-1, flg22, and flgII-28 recognition systems within plant species, the inducibility of PTI by CD2-1, flg22, and flgII-28 in 8 plant species, including monocotyledonous and dicotyledonous plants, was investigated. CD2-1 caused PTI responses inOryza sativa, Brachypodium distachyon, andAsparagus persicus; flg22 caused PTI responses inPhyllostachys nigra, A. persicus, Arabidopsis thaliana, Nicotiana tabacum, Solanum lycopersicum, andLotus japonicus; and flgII-28 caused PTI responses only inS. lycopersicum. Furthermore, quantitative analysis of FLS2 receptor revealed that the responsiveness of flg22 in plants was dependent on the expression level of the receptor.