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The phosphatidylcholine-hydrolysing phospholipase C NPC4 plays a role in response of Arabidopsis roots to salt stress

  1. 1.
    SYSNO ASEP0369946
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleThe phosphatidylcholine-hydrolysing phospholipase C NPC4 plays a role in response of Arabidopsis roots to salt stress
    Author(s) Kocourková, Daniela (UEB-Q) ORCID
    Krčková, Zuzana (UEB-Q) ORCID
    Pejchar, Přemysl (UEB-Q) RID, ORCID
    Veselková, Štěpánka (UEB-Q)
    Valentová, O. (CZ)
    Wimalasekera, R. (DE)
    Scherer, G. F. E. (DE)
    Martinec, Jan (UEB-Q) RID, ORCID
    Source TitleJournal of Experimental Botany. - : Oxford University Press - ISSN 0022-0957
    Roč. 62, č. 11 (2011), s. 3753-3763
    Number of pages11 s.
    Languageeng - English
    CountryGB - United Kingdom
    KeywordsArabidopsis thaliana ; diacylglycerol ; phospholipase C
    Subject RIVED - Physiology
    R&D ProjectsGA522/07/1614 GA ČR - Czech Science Foundation (CSF)
    LC06034 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    CEZAV0Z50380511 - UEB-Q (2005-2011)
    UT WOS000292838700006
    DOI10.1093/jxb/err039
    AnnotationPhosphatidylcholine-hydrolysing phospholipase C, also known as non-specific phospholipase C is a new member of the plant phospholipase family that reacts to environmental stresses such as phosphate deficiency and aluminium toxicity, and has a role in root development and brassinolide signalling. Expression of NPC4, one of the six NPC genes in Arabidopsis, was highly induced by NaCl. Maximum expression was observed from 3 h to 6 h after the salt treatment and was dependent on salt concentration. Results of histochemical analysis of PNPC4:GUS plants showed the localization of salt-induced expression in root tips. On the biochemical level,increased NPC enzyme activity, indicated by accumulation of diacylglycerol, was observed as early as after 30 min of salt treatment of Arabidopsis seedlings. Phenotype analysis of NPC4 knockout plants showed increased sensitivity to salinity as compared with wildtype plants.These observations demonstrate a role for NPC4 in the response of Arabidopsis to salt stress.
    WorkplaceInstitute of Experimental Botany
    ContactDavid Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469
    Year of Publishing2012
Number of the records: 1  

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