Two receptor-like protein kinases, MUSTACHES and MUSTACHES-LIKE, regulate lateral root development in Arabidopsis thaliana

© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 227(2020), 4 vom: 01. Aug., Seite 1157-1173
1. Verfasser: Xun, Qingqing (VerfasserIn)
Weitere Verfasser: Wu, Yunzhe, Li, Hui, Chang, Jinke, Ou, Yang, He, Kai, Gou, Xiaoping, Tax, Frans E, Li, Jia
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis MUSTACHES MUSTACHES-LIKE RECEPTOR-LIKE KINASE auxin lateral root root Arabidopsis Proteins mehr... Indoleacetic Acids Protein Kinases EC 2.7.-
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520 |a Receptor-like protein kinases (RLKs) play key roles in regulating plant growth, development and stress adaptations. There are at least 610 RLKs (including receptor-like cytoplasmic kinases) in Arabidopsis. The functions of the majority of RLKs have not yet been determined. We previously generated promoter::GUS transgenic plants for all leucine-rich repeat (LRR)-RLKs in Arabidopsis and analyzed their expression patterns during various developmental stages. We found the expression of two LRR-RLKs, MUSTACHES (MUS) and MUSTACHES-LIKE (MUL), are overlapped in lateral root primordia. Independent mutants, mus-3 mul-1 and mus-4 mul-2, show a significantly decreased emerged lateral root phenotype. Our analyses indicate that the defects of the double mutant occur mainly at stage I of lateral root development. Exogenous application of auxin can dramatically enhance the transcription of MUS, which is largely dependent on AUXIN RESPONSE FACTOR 7 (ARF7) and ARF19. MUS and MUL are inactive kinases in vitro but are phosphorylated in planta, possibly by an unknown kinase. The kinase activity of MUS is dispensable for its function in lateral root development. Many cell wall related genes are down regulated in mus-3 mul-1. In conclusion, we identified MUS and MUL, two kinase-inactive RLKs, in controlling the early development of lateral root primordia likely via regulating cell wall synthesis and remodeling 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis 
650 4 |a MUSTACHES 
650 4 |a MUSTACHES-LIKE 
650 4 |a RECEPTOR-LIKE KINASE 
650 4 |a auxin 
650 4 |a lateral root 
650 4 |a root 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a Protein Kinases  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
700 1 |a Wu, Yunzhe  |e verfasserin  |4 aut 
700 1 |a Li, Hui  |e verfasserin  |4 aut 
700 1 |a Chang, Jinke  |e verfasserin  |4 aut 
700 1 |a Ou, Yang  |e verfasserin  |4 aut 
700 1 |a He, Kai  |e verfasserin  |4 aut 
700 1 |a Gou, Xiaoping  |e verfasserin  |4 aut 
700 1 |a Tax, Frans E  |e verfasserin  |4 aut 
700 1 |a Li, Jia  |e verfasserin  |4 aut 
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773 1 8 |g volume:227  |g year:2020  |g number:4  |g day:01  |g month:08  |g pages:1157-1173 
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