NODULES WITH ACTIVATED DEFENSE 1 is required for maintenance of rhizobial endosymbiosis in Medicago truncatula

© 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 212(2016), 1 vom: 01. Okt., Seite 176-91
1. Verfasser: Wang, Chao (VerfasserIn)
Weitere Verfasser: Yu, Haixiang, Luo, Li, Duan, Liujian, Cai, Liuyang, He, Xinxing, Wen, Jiangqi, Mysore, Kirankumar S, Li, Guoliang, Xiao, Aifang, Duanmu, Deqiang, Cao, Yangrong, Hong, Zonglie, Zhang, Zhongming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, Non-U.S. Gov't Medicago truncatula Tnt-insertion mutant defense-like responses legume necrosis nitrogen fixation nodules mehr... rhizobial endosymbiosis Phenols Plant Proteins
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520 |a The symbiotic interaction between legume plants and rhizobia results in the formation of root nodules, in which symbiotic plant cells host and harbor thousands of nitrogen-fixing rhizobia. Here, a Medicago truncatula nodules with activated defense 1 (nad1) mutant was identified using reverse genetics methods. The mutant phenotype was characterized using cell and molecular biology approaches. An RNA-sequencing technique was used to analyze the transcriptomic reprogramming of nad1 mutant nodules. In the nad1 mutant plants, rhizobial infection and propagation in infection threads are normal, whereas rhizobia and their symbiotic plant cells become necrotic immediately after rhizobia are released from infection threads into symbiotic cells of nodules. Defense-associated responses were detected in nad1 nodules. NAD1 is specifically present in root nodule symbiosis plants with the exception of Morus notabilis, and the transcript is highly induced in nodules. NAD1 encodes a small uncharacterized protein with two predicted transmembrane helices and is localized at the endoplasmic reticulum. Our data demonstrate a positive role for NAD1 in the maintenance of rhizobial endosymbiosis during nodulation 
650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Medicago truncatula 
650 4 |a Tnt-insertion mutant 
650 4 |a defense-like responses 
650 4 |a legume 
650 4 |a necrosis 
650 4 |a nitrogen fixation 
650 4 |a nodules 
650 4 |a rhizobial endosymbiosis 
650 7 |a Phenols  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
700 1 |a Yu, Haixiang  |e verfasserin  |4 aut 
700 1 |a Luo, Li  |e verfasserin  |4 aut 
700 1 |a Duan, Liujian  |e verfasserin  |4 aut 
700 1 |a Cai, Liuyang  |e verfasserin  |4 aut 
700 1 |a He, Xinxing  |e verfasserin  |4 aut 
700 1 |a Wen, Jiangqi  |e verfasserin  |4 aut 
700 1 |a Mysore, Kirankumar S  |e verfasserin  |4 aut 
700 1 |a Li, Guoliang  |e verfasserin  |4 aut 
700 1 |a Xiao, Aifang  |e verfasserin  |4 aut 
700 1 |a Duanmu, Deqiang  |e verfasserin  |4 aut 
700 1 |a Cao, Yangrong  |e verfasserin  |4 aut 
700 1 |a Hong, Zonglie  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhongming  |e verfasserin  |4 aut 
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