PMID: 9002605Dec 1, 1996Paper

The petunia homologue of tomato gast1: transcript accumulation coincides with gibberellin-induced corolla cell elongation

Plant Molecular Biology
Gili Ben-Nissan, D Weiss

Abstract

Gibberellins (GAs) regulate petunia corolla pigmentation and elongation. To study this hormone's effect at the molecular level, we used the tomato gast1 gene as a probe to isolate a gibberellin-induced gene (gip) from petunia corollas. The deduced sequence of gip exhibited 82% identity with GAST1 protein and contained a short, highly hydrophobic N-terminal region. High levels of gip expression were detected in elongating corollas and young stem intemodes. When detached corollas were grown in vitro in sucrose medium, gip expression was strongly induced by gibberellic acid (GA3). GA3-induced gip expression in corollas was inhibited by abscisic acid (ABA). The expression of the gene was also induced by GA3 in detached young stem segments. Sucrose was not essential for GA-induced gip expression in corollas but enhanced its effect. In stems, on the other hand, sucrose inhibited the effect of the hormone. The results of the present work support the possible role of gip in GA-induced corolla and stem elongation.

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Citations

Jan 10, 2013·The Protein Journal·Ying-Nan BaiLi-Xia Tang
Feb 5, 2009·Plant Molecular Biology·Shengchun ZhangXiaojing Wang
Jun 26, 2002·Physiologia Plantarum·Anat IzhakiDavid Weiss
Feb 8, 2007·Plant & Cell Physiology·Ingrid RoxrudHilde-Gunn Opsahl-Sorteberg
Dec 13, 2012·Plant & Cell Physiology·Enriqueta Moyano-CañeteRosario Blanco-Portales
May 4, 2004·Plant Physiology·Merijn R KantRobert C Schuurink
Nov 21, 2009·Plant Physiology·Roman ZimmermannFrank Hochholdinger
Apr 6, 2011·Plant Physiology·Thomas A ColquhounDavid G Clark
Nov 15, 2011·Plant Physiology·Vanesa NahirñakCecilia Vazquez-Rovere
Jan 6, 1999·Proceedings of the National Academy of Sciences of the United States of America·K SchumacherK Theres
Jan 13, 1999·Molecular Plant-microbe Interactions : MPMI·A SeguraF García-Olmedo
Mar 20, 2016·Plant Science : an International Journal of Experimental Plant Biology·Jie QuJyan-Chyun Jang
Nov 6, 2009·Phytochemistry·Thomas A ColquhounDavid G Clark
May 20, 2008·Science in China. Series C, Life Sciences·JianZong PengXiaoJing Wang
Oct 21, 2005·The Plant Journal : for Cell and Molecular Biology·Maria IsraelssonThomas Moritz
Dec 24, 2003·The Plant Journal : for Cell and Molecular Biology·Gili Ben-NissanDavid Weiss
Dec 12, 2007·Plant Biotechnology Journal·Naser FarrokhiJudy A Brusslan
Nov 2, 2006·The Plant Journal : for Cell and Molecular Biology·Noa WigodaDavid Weiss
Nov 5, 2008·The Plant Journal : for Cell and Molecular Biology·Li WangKang Chong
Dec 15, 2010·The Plant Journal : for Cell and Molecular Biology·Lior Rubinovich, David Weiss
Jul 28, 2012·Plant Signaling & Behavior·Vanesa NahirñakCecilia Vazquez-Rovere
Oct 25, 2011·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Lili ZhangXiaojing Wang
Aug 31, 2016·Plant Signaling & Behavior·Shengchun Zhang, Xiaojing Wang
Feb 22, 2021·The Journal of Biological Chemistry·Anutthaman ParthasarathyAndré O Hudson

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