Počet záznamů: 1
BRX promotes Arabidopsis shoot growth
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SYSNO ASEP 0351019 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název BRX promotes Arabidopsis shoot growth Tvůrce(i) Beuchat, J. (CH)
Scacchi, E. (CH)
Tarkowská, Danuše (UEB-Q) RID, ORCID
Ragni, L. (CH)
Strnad, Miroslav (UEB-Q) RID, ORCID
Hardtke, C.S. (CH)Zdroj.dok. New Phytologist - ISSN 0028-646X
Roč. 188, č. 1 (2010), s. 23-29Poč.str. 7 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova Arabidopsis ; auxin ; brassinosteroid Vědní obor RIV CC - Organická chemie CEP IAA400550801 GA AV ČR - Akademie věd CEZ AV0Z50380511 - UEB-Q (2005-2011) UT WOS 000281551500008 DOI 10.1111/j.1469-8137.2010.03387.x Anotace BREVIS RADIX (BRX) has been identified through a loss-of-function allele in the Umkirch-1 accession in a natural variation screen for Arabidopsis root growth vigor. Physiological and gene expression analyses have suggested that BRX is rate limiting for auxin-responsive gene expression by mediating cross-talk with the brassinosteroid pathway, as impaired root growth and reduced auxin perception of brx can be (partially) rescued by external brassinosteroid application. Using genetic tools, we show that brx mutants also display significantly reduced cotyledon and leaf growth. Furthermore, reciprocal grafting experiments between mutant and complemented brx shoot scions and root stocks suggest that the shoot phenotypes are not an indirect consequence of the root phenotype. In summary, our results demonstrate a ubiquitous, although quantitatively variable role of BRX in modulating the growth rate in both the root and shoot. Pracoviště Ústav experimentální botaniky Kontakt David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Rok sběru 2011
Počet záznamů: 1