根瘤器官发生:豆科植物中一种独特的侧边器官发生。

IF 2 4区 农林科学 Q2 AGRONOMY Breeding Science Pub Date : 2023-03-01 DOI:10.1270/jsbbs.22067
Takuya Suzaki
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引用次数: 1

摘要

在植物进化过程中,豆科植物和少数植物物种建立了根结共生(root nodule symbiosis, RNS),这是植物与固氮细菌相互作用的氮养分获取策略之一。除了其有用的农艺性状外,RNS还包括一种独特的植物侧枝器官发生形式;根瘤发育过程中,细菌感染可诱导根部皮层细胞的去分化和活化。近年来,对NODULE INCEPTION转录因子作为RNS潜在关键创新因子意义的阐明、其功能的细节以及其靶基因的陆续发现,促进了我们对结节器官发生的分子机制的理解。此外,最近对豆科植物shortroot -稻草人模块的作用的阐明,为豆科植物皮质细胞的独特特性提供了见解。在此,我总结了这些关于结节器官发生的新功能关键参与者的最新发现,这可能为理解RNS的进化基础提供线索。
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Root nodule organogenesis: a unique lateral organogenesis in legumes.

During the course of plant evolution, leguminous and a few plants species have established root nodule symbiosis (RNS), one of the nitrogen nutrient acquisition strategies based on mutual interaction between plants and nitrogen-fixing bacteria. In addition to its useful agronomic trait, RNS comprises a unique form of plant lateral organogenesis; dedifferentiation and activation of cortical cells in the root are induced upon bacterial infection during nodule development. In the past few years, the elucidations of the significance of NODULE INCEPTION transcription factor as a potentially key innovative factor of RNS, the details of its function, and the successive discoveries of its target genes have advanced our understanding underlying molecular mechanisms of nodule organogenesis. In addition, a recent elucidation of the role of legume SHORTROOT-SCARECROW module has provided the insights into the unique properties of legume cortical cells. Here, I summarize such latest findings on the neofunctionalized key players of nodule organogenesis, which may provide clue to understand an evolutionary basis of RNS.

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来源期刊
Breeding Science
Breeding Science 农林科学-农艺学
CiteScore
4.90
自引率
4.20%
发文量
37
审稿时长
1.5 months
期刊介绍: Breeding Science is published by the Japanese Society of Breeding. Breeding Science publishes research papers, notes and reviews related to breeding. Research Papers are standard original articles. Notes report new cultivars, breeding lines, germplasms, genetic stocks, mapping populations, database, software, and techniques significant and useful for breeding. Reviews summarize recent and historical events related breeding. Manuscripts should be submitted by corresponding author. Corresponding author must have obtained permission from all authors prior to submission. Correspondence, proofs, and charges of excess page and color figures should be handled by the corresponding author.
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