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一个新型豆科植物特异性基因，调控 中的根瘤形成和植物生长。

, a Novel Fabacean Specific Gene, Regulates Root Nodulation and Plant Growth in .

机构信息

College of Agro-Grassland Science, Nanjing Agricultural University, Nanjing 210095, China.

出版信息

Genes (Basel). 2022 Jan 22;13(2):193. doi: 10.3390/genes13020193.

DOI:10.3390/genes13020193
PMID:35205237
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8871812/
Abstract

Fabaceans symbiotically interact with nitrogen-fixing rhizobacteria to form root nodules. Some fabacean specific proteins play important roles in the symbiosis. WRKY-related Protein (WRP) is a novel fabacean specific protein, whose functions have not been well characterized. In this study, MtWRP1 was functionally characterized in . It contains a WRKY domain at C-terminal and a novel transmembrane (TM) domain at N-terminal, and its WRKY domain was highly similar to the N-terminal WRKY domain of the group I WRKY proteins. The TM domain was highly homologous to the eukaryotic cytochrome b561 (Cytb561) proteins from birds. Subcellular localization revealed that MtWRP1 was targeted to the Golgi apparatus through the novel TM domain. was highly expressed in roots and nodules, suggesting its possible roles in the regulation of root growth and nodulation. Both -overexpression transgenic and mutants showed altered root nodulation and plant growth performance. Specifically, the formation of root nodules was significantly reduced in the absence of . These results demonstrated that plays critical roles in root nodulation and plant growth.

摘要

菜豆族与固氮根瘤菌共生形成根瘤。一些菜豆族特有的蛋白质在共生中起着重要作用。WRKY 相关蛋白 (WRP) 是一种新型的菜豆族特有的蛋白，其功能尚未得到很好的描述。在本研究中，MtWRP1 在 中进行了功能表征。它在 C 端含有一个 WRKY 结构域，在 N 端含有一个新的跨膜 (TM) 结构域，其 WRKY 结构域与 I 组 WRKY 蛋白的 N 端 WRKY 结构域高度相似。TM 结构域与鸟类的真核细胞色素 b561 (Cytb561) 蛋白高度同源。亚细胞定位表明 MtWRP1 通过新的 TM 结构域靶向高尔基体。在根和根瘤中高度表达，表明其可能在调节根生长和根瘤形成中起作用。过表达 - 转基因 和 突变体显示出改变的根结瘤和植物生长表现。具体而言，根瘤的形成在 缺失时显著减少。这些结果表明 在根瘤形成和植物生长中起着关键作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/03062ac56f06/genes-13-00193-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/a10e6f4fe059/genes-13-00193-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/69926d0f4d52/genes-13-00193-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/23c144bc541e/genes-13-00193-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/2b1ea9489c20/genes-13-00193-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/46b780acf79e/genes-13-00193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/4217b494af87/genes-13-00193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/b8df886a4506/genes-13-00193-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/03062ac56f06/genes-13-00193-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/a10e6f4fe059/genes-13-00193-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/69926d0f4d52/genes-13-00193-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/23c144bc541e/genes-13-00193-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/2b1ea9489c20/genes-13-00193-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/46b780acf79e/genes-13-00193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/4217b494af87/genes-13-00193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/b8df886a4506/genes-13-00193-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/46b6/8871812/03062ac56f06/genes-13-00193-g008.jpg

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本文引用的文献

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Science. 2021 Oct 29;374(6567):625-628. doi: 10.1126/science.abg5945. Epub 2021 Oct 28.
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Cross-talk between clathrin-dependent post-Golgi trafficking and clathrin-mediated endocytosis in Arabidopsis root cells.在拟南芥根细胞中网格蛋白依赖的高尔基体后转运与网格蛋白介导的内吞作用之间的串扰。
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A CEP Peptide Receptor-Like Kinase Regulates Auxin Biosynthesis and Ethylene Signaling to Coordinate Root Growth and Symbiotic Nodulation in .
CEP 肽受体样激酶调节生长素生物合成和乙烯信号转导，以协调 中的根系生长和共生结瘤。
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A plant's diet, surviving in a variable nutrient environment.植物的食谱：在多变的养分环境中求生存。
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The rhizobial type III effector ErnA confers the ability to form nodules in legumes.根瘤菌 III 型效应蛋白 ErnA 赋予豆科植物结瘤的能力。
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