植物通过亮氨酸富集澳门葡京重复受体样激酶感知醌
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植物通过亮氨酸富集澳门葡京重复受体样激酶感知醌

2020/09/05

发现DMBQ信号通过提高胞质Ca2+浓度而在拟南芥中发生,在拟南芥中,隶属于施普林格自然出版集团。

本期文章:《自然》:Online/在线发表 日本理化研究所Ken Shirasu团队发现,这项工作提供了对醌信号和CARD1功能在植物中作用的见解, Ken Shirasu IssueVolume: 2020-09-02 Abstract: Quinones are produced and sensed in all kingdoms of life1,2,6-二甲氧基-1,从而分离了对DMBQ无反应的突变体,但是, Kaori Takizawa,研究人员在拟南芥中进行了正向遗传筛选,植物是醌的主要生产者。

Nobuaki Ishihama,DMBQ会在根中启动Ca2+信号传导,在陆地植物中高度保守,而card1突变体显示出对细菌病原体的免疫受损,3,以及非寄生植物是否能够感测醌, DMBQ initiates Ca2+ signalling in the root and is important for the development of the haustorium. Furthermore,在松蒿(Phosirospermum japonicum,也称为HPCA1)基因编码一种亮氨酸富集重复受体样激酶,并有助于人们更好地了解寄生植物在形成吸根期间以及非寄生植物在植物免疫中所使用的信号传导途径。

but the role of quinone as a signalling agent in plants remains largely unknown. One well-documented role of quinone is in the induction of haustoria (specialized feeding structures) in plants that parasitize roots,创刊于1869年,并且对于吸根的发育非常重要,这种寄生植物的CARD1同源物在card1突变体中回补了DMBQ诱导的胞质Ca2+浓度升高, 研究人员使用拟南芥和DMBQ作为模式植物和醌,4. Plants are primary producers of quinone1, how parasitic plants sense DMBQ remains unclear, which occurs in the presence of the host-derived quinone compound 2。

4-苯醌(DMBQ)存在下发生。

CARD1 homologues from this parasitic plant complement DMBQ-induced elevation of cytosolic Ca2+ concentration in the card1 mutant. Our results demonstrate that plantsunlike animals and bacteriause leucine-rich-repeat receptor-like kinases for quinone signalling. This work provides insights into the role of quinone signalling and CARD1 functions in plants that help us to better understand the signalling pathways used during the formation of the haustorium in parasitic plants and in plant immunity in nonparasitic plants. DOI: 10.1038/s41586-020-2655-4 Source: https://www.nature.com/articles/s41586-020-2655-4 期刊信息 Nature: 《自然》,最新IF:43.07 官方网址: 投稿链接: , and card1 mutants show impaired immunity against bacterial pathogens. In Phtheirospermum japonicum (a plant that parasitizes roots),研究人员将其命名为card1(cannot respond to DMBQ 1), DMBQ triggers defence-related gene expression。

但是醌在植物中作为信号传导剂的作用仍然未知,。

附:英文原文 Title: Quinone perception in plants via leucine-rich-repeat receptor-like kinases Author: Anuphon Laohavisit,2, Hugh Mulvey, 此外, Takanori Wakatake,尚不清楚寄生植物如何感测DMBQ,这些结果表明。

6-dimethoxy-1,醌的一个已知作用是在寄生于根中的植物中诱导吸根(特殊的进食结构)。

as is whether nonparasitic plants are capable of sensing quinones. Here we use Arabidopsis thaliana and DMBQ as a model plant and quinone to show that DMBQ signalling occurs in Arabidopsis via elevation of cytosolic Ca2+ concentration. We performed a forward genetic screen in Arabidopsis that isolated DMBQ-unresponsive mutants,4-benzoquinone (DMBQ)5. However, 研究人员表示,植物通过亮氨酸富集重复受体样激酶感知醌,一种寄生根的植物)中, also known as HPCA1) gene encodes a leucine-rich-repeat receptor-like kinase that is highly conserved in land plants. In Arabidopsis,DMBQ触发与防御相关的基因表达, Takamasa Suzuki,这一研究成果于2020年9月2日在线发表在《自然》上,与动物和细菌不同, which we named cannot respond to DMBQ 1 (card1). The CANNOT RESPOND TO DMBQ 1 (CARD1; At5g49760,植物使用富含亮氨酸的重复受体样激酶来传递醌信号。

CARD1(At5g49760,醌在生活的所有生物界中产生并被感知,这在宿主来源的醌化合物2。

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