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The auxin influx carriers AUX1 and LAX3 are involved in auxin-ethylene interactions during apical hook development in Arabidopsis thaliana seedlings
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SYSNO ASEP 0343964 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The auxin influx carriers AUX1 and LAX3 are involved in auxin-ethylene interactions during apical hook development in Arabidopsis thaliana seedlings Author(s) Vandenbussche, F. (BE)
Petrášek, Jan (UEB-Q) RID, ORCID
Žádníková, P. (BE)
Hoyerová, Klára (UEB-Q) RID, ORCID
Pešek, Bedřich (UEB-Q) RID
Raz, V. (NL)
Swarup, R. (GB)
Bennett, M. (NL)
Zažímalová, Eva (UEB-Q) RID, ORCID
Benková, E. (BE)
Van Der Straeten, D. (BE)Source Title Development. - : Company of Biologists - ISSN 0950-1991
Roč. 137, č. 4 (2010), s. 597-606Number of pages 10 s. Language eng - English Country GB - United Kingdom Keywords Apical hook ; Auxin biosynthesis ; Auxin transport Subject RIV ED - Physiology R&D Projects LC06034 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z50380511 - UEB-Q (2005-2011) UT WOS 000274016900008 DOI 10.1242/dev.040790 Annotation Dark-grown dicotyledonous seedlings form a hook-like structure at the top of the hypocotyl, which is controlled by the hormones auxin and ethylene. Hook formation is dependent on an auxin signal gradient, whereas hook exaggeration is part of the triple response provoked by ethylene in dark-grown Arabidopsis seedlings. Several other hormones and light are also known to be involved in hook development, but the molecular mechanisms that lead to the initial installation of an auxin gradient are still poorly understood. In this study, we aimed to unravel the cross-talk between auxin and ethylene in the apical hook. Auxin measurements, the expression pattern of the auxin reporter DR5::GUS and the localization of auxin biosynthesis enzymes and influx carriers collectively indicate the necessity for auxin biosynthesis and efficient auxin translocation from the cotyledons and meristem into the hypocotyl in order to support proper hook development. Workplace Institute of Experimental Botany Contact David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Year of Publishing 2011
Number of the records: 1