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The Arabidopsis pi4kIIIβ1β2 double mutant is salicylic acid-overaccumulating: a new example of salicylic acid influence on plant stature
M. Janda, V. Šašek, E. Ruelland,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
NLK
Free Medical Journals
od 2006 do Před 1 rokem
PubMed Central
od 2006
Europe PubMed Central
od 2006 do Před 1 rokem
Medline Complete (EBSCOhost)
od 2011-01-01 do 2015-06-30
- MeSH
- 1-fosfatidylinositol-4-kinasa genetika MeSH
- Arabidopsis anatomie a histologie enzymologie MeSH
- kořeny rostlin anatomie a histologie MeSH
- kyselina salicylová metabolismus MeSH
- listy rostlin anatomie a histologie MeSH
- mutace genetika MeSH
- proteiny huseníčku genetika MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Growth is the best visible sign of plant comfort. If plants are under stress, a difference in growth with control conditions can indicate that something is going wrong (or better). Phytohormones such as auxin, cytokinins, brassinosteroids or giberellins, are important growth regulators and their role in plant growth was extensively studied. On the other hand the role of salicylic acid (SA), a phytohormone commonly connected with plant defense responses, in plant growth is under-rated. However, studies with SA-overaccumulating mutants directly showed an influence of SA on plant growth. Recently we characterized an Arabidopsis SA-overaccumulating mutant impaired in phosphatidylinositol-4-kinases (pi4kIIIβ1β2). This mutant is dwarf. The crossing with mutants impaired in SA signaling revealed that pi4kIIIβ1β2 stunted rosette is due to high SA, while the short root length is not. This brings into evidence that upper and lower parts of the plants, even though they may share common phenotypes, are differently regulated.
Citace poskytuje Crossref.org
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