Involvement of YODA and mitogen activated protein kinase 6 in Arabidopsis post-embryogenic root development through auxin up-regulation and cell division plane orientation

Involvement of YODA and mitogen activated protein kinase 6 in Arabidopsis post-embryogenic root development through auxin up-regulation and cell division plane orientation

© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 203(2014), 4 vom: 22. Sept., Seite 1175-1193
1. Verfasser: Smékalová, Veronika (VerfasserIn)
Weitere Verfasser: Luptovčiak, Ivan, Komis, George, Šamajová, Olga, Ovečka, Miroslav, Doskočilová, Anna, Takáč, Tomáš, Vadovič, Pavol, Novák, Ondřej, Pechan, Tibor, Ziemann, Anja, Košútová, Petra, Šamaj, Jozef
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis MAP65-1 MAPKKK MPK6 YODA cell division plane microtubules root mehr... Arabidopsis Proteins Indoleacetic Acids alpha-(2,4-dimethylphenylethyl-2-oxo)indole-3-acetic acid MPK6 protein, Arabidopsis EC 2.7.11.24 Mitogen-Activated Protein Kinases MAP Kinase Kinase Kinases EC 2.7.11.25 YODA protein, Arabidopsis
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100 1 |a Smékalová, Veronika  |e verfasserin  |4 aut 
245 1 0 |a Involvement of YODA and mitogen activated protein kinase 6 in Arabidopsis post-embryogenic root development through auxin up-regulation and cell division plane orientation 
264 1 |c 2014 
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520 |a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust. 
520 |a The role of YODA MITOGEN ACTIVATED PROTEIN KINASE KINASE KINASE 4 (MAPKKK4) upstream of MITOGEN ACTIVATED PROTEIN KINASE 6 (MPK6) was studied during post-embryonic root development of Arabidopsis thaliana. Loss- and gain-of-function mutants of YODA (yda1 and ΔNyda1) were characterized in terms of root patterning, endogenous auxin content and global proteomes. We surveyed morphological and cellular phenotypes of yda1 and ΔNyda1 mutants suggesting possible involvement of auxin. Endogenous indole-3-acetic acid (IAA) levels were up-regulated in both mutants. Proteomic analysis revealed up-regulation of auxin biosynthetic enzymes tryptophan synthase and nitrilases in these mutants. The expression, abundance and phosphorylation of MPK3, MPK6 and MICROTUBULE ASSOCIATED PROTEIN 65-1 (MAP65-1) were characterized by quantitative polymerase chain reaction (PCR) and western blot analyses and interactions between MAP65-1, microtubules and MPK6 were resolved by quantitative co-localization studies and co-immunoprecipitations. yda1 and ΔNyda1 mutants showed disoriented cell divisions in primary and lateral roots, abortive cytokinesis, and differential subcellular localization of MPK6 and MAP65-1. They also showed deregulated expression of TANGLED1 (TAN1), PHRAGMOPLAST ORIENTING KINESIN 1 (POK1), and GAMMA TUBULIN COMPLEX PROTEIN 4 (GCP4). The findings that MPK6 localized to preprophase bands (PPBs) and phragmoplasts while the mpk6-4 mutant transformed with MPK6AEF (alanine (A)-glutamic acid (E)-phenylanine (F)) showed a root phenotype similar to that of yda1 demonstrated that MPK6 is an important player downstream of YODA. These data indicate that YODA and MPK6 are involved in post-embryonic root development through an auxin-dependent mechanism regulating cell division and mitotic microtubule (PPB and phragmoplast) organization 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis 
650 4 |a MAP65-1 
650 4 |a MAPKKK 
650 4 |a MPK6 
650 4 |a YODA 
650 4 |a cell division plane 
650 4 |a microtubules 
650 4 |a root 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a alpha-(2,4-dimethylphenylethyl-2-oxo)indole-3-acetic acid  |2 NLM 
650 7 |a MPK6 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a Mitogen-Activated Protein Kinases  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a MAP Kinase Kinase Kinases  |2 NLM 
650 7 |a EC 2.7.11.25  |2 NLM 
650 7 |a YODA protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.11.25  |2 NLM 
700 1 |a Luptovčiak, Ivan  |e verfasserin  |4 aut 
700 1 |a Komis, George  |e verfasserin  |4 aut 
700 1 |a Šamajová, Olga  |e verfasserin  |4 aut 
700 1 |a Ovečka, Miroslav  |e verfasserin  |4 aut 
700 1 |a Doskočilová, Anna  |e verfasserin  |4 aut 
700 1 |a Takáč, Tomáš  |e verfasserin  |4 aut 
700 1 |a Vadovič, Pavol  |e verfasserin  |4 aut 
700 1 |a Novák, Ondřej  |e verfasserin  |4 aut 
700 1 |a Pechan, Tibor  |e verfasserin  |4 aut 
700 1 |a Ziemann, Anja  |e verfasserin  |4 aut 
700 1 |a Košútová, Petra  |e verfasserin  |4 aut 
700 1 |a Šamaj, Jozef  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 203(2014), 4 vom: 22. Sept., Seite 1175-1193  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:203  |g year:2014  |g number:4  |g day:22  |g month:09  |g pages:1175-1193 
856 4 0 |u http://dx.doi.org/10.1111/nph.12880  |3 Volltext 
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