The Gibberellic Acid Stimulated-Like gene family in maize and its role in lateral root development.

Plant Physiology
Roman ZimmermannFrank Hochholdinger

Abstract

In an approach to study lateral root development in monocots, genome-wide searches for homologs of the Gibberellic Acid Stimulated Transcript-like (GAST-like) gene family in rice (Oryza sativa) and maize (Zea mays) were carried out. Six novel GAST-like genes in rice and 10 members of the gene family in maize, which were designated ZmGSL (for Z. mays Gibberellic Acid Stimulated-Like), were identified. The ZmGSL family encodes small proteins of 75 to 128 amino acids, which are characterized by a conserved 59 to 64 amino acid C-terminal domain. Within this domain, 17 amino acids, including 12 cysteines, are perfectly conserved. The transcript of the ZmGSL1 gene is differentially spliced into the alternative variants ZmGSL1a and ZmGSL1b, the latter of which is translated into a premature protein that lacks the C-terminal domain. The presence of an additional N-terminal cleavable signal sequence in eight of the 10 ZmGSL proteins suggests that they are secreted into the extracellular matrix. In-depth root-specific gene expression analyses carried out in the wild type and the lateral root mutants lrt1 and rum1 suggest a role for ZmGSL genes in early lateral root development, which is likely regulated by gibberellic acid. Expression pa...Continue Reading

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Citations

Jun 4, 2013·Trends in Plant Science·Beata Orman-LigezaXavier Draye
Dec 13, 2012·Plant & Cell Physiology·Enriqueta Moyano-CañeteRosario Blanco-Portales
Nov 15, 2011·Plant Physiology·Vanesa NahirñakCecilia Vazquez-Rovere
Mar 19, 2014·Trends in Plant Science·Arthur Q VillordonNurit Firon
Jan 10, 2013·The Protein Journal·Ying-Nan BaiLi-Xia Tang
Feb 22, 2012·Physiologia Plantarum·Dalila TrupianoGabriella S Scippa
Apr 7, 2015·Molecular Genetics and Genomics : MGG·Matthew R ShentonNori Kurata
Jul 28, 2012·Plant Signaling & Behavior·Vanesa NahirñakCecilia Vazquez-Rovere
Aug 31, 2016·Plant Signaling & Behavior·Shengchun Zhang, Xiaojing Wang
Mar 5, 2013·Annals of Botany·Eva HusakovaAles Soukup
Jul 20, 2018·International Journal of Molecular Sciences·Hongbin WangChengbin Chen
Apr 4, 2019·Frontiers in Plant Science·Héctor H Torres-MartínezJoseph G Dubrovsky

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