A root-specific bZIP transcription factor is responsive to water deficit stress in tepary bean (Phaseolus acutifolius) and common bean (P. vulgaris)

Journal of Experimental Botany
Laura Rodriguez-Uribe, Mary A O'Connell

Abstract

Root cDNA libraries were differentially screened to isolate water deficit-responsive transcripts in the relatively drought-resistant plant tepary bean (Phaseolus acutifolius). A novel root-specific, water deficit-responsive transcript was identified and predicted to encode a bZIP transcription factor. The orthologous form of this gene was isolated from the drought-sensitive P. vulgaris and the patterns of expression of these genes compared. These genes have predicted amino acid sequences in the bZIP domain that are 64% similar to a soybean bZIP protein. There were three amino acid differences between the P. acutifolius bZIP and the P. vulgaris gene product. Both species transcribed this gene in a root-specific and water deficit-responsive manner. The cell-specific pattern of expression for the gene was determined using in situ hybridization and immunolocalization. Two tissues in the root accumulated the protein: epidermis and phloem. The nuclear localization of this protein was determined by electron microscopy. The bZIP protein accumulated in the nuclei of both the epidermal cell and the vascular cell in response to water deficit stress in both species in a similar manner.

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Citations

Mar 31, 2009·Functional & Integrative Genomics·Neslihan Z ErgenHikmet Budak
Sep 29, 2011·Journal of Experimental Botany·Laura Rodriguez-UribeMary A O'Connell
Apr 18, 2013·Biochemistry. Biokhimii︠a︡·Yue JiangZhi-Fu Guo
Aug 15, 2012·BMC Genomics·Patricia M GuimarãesDavid J Bertioli
Apr 25, 2014·PloS One·Mehmet Cengiz BalogluTurgay Unver
Dec 15, 2015·Journal of Experimental Botany·Agnieszka JaniakIwona Szarejko
Aug 8, 2014·International Journal of Molecular Sciences·Senlei ZhangXia Li
Oct 3, 2012·Journal of Proteomics·Tanja ZadražnikJelka Šuštar-Vozlič
Jun 29, 2010·Plant Science : an International Journal of Experimental Plant Biology·Ivette GuzmanMary A O'Connell
Jul 1, 2008·Plant Physiology and Biochemistry : PPB·Pablo A ManavellaRaquel L Chan
Nov 20, 2008·Journal of Integrative Plant Biology·Oswaldo Valdés-López, Georgina Hernández
May 1, 2012·Molecular Ecology Resources·Matthew W BlairPrem Sharma
Aug 26, 2009·Plant Signaling & Behavior·Víctor Montero-TaveraBeatriz Xoconostle-Cázares
Mar 23, 2011·Plant Science : an International Journal of Experimental Plant Biology·Laura Rodriguez-UribeJinfa Zhang
Mar 30, 2013·International Journal of Molecular Sciences·Gustavo Henrique RecchiaSiu Mui Tsai
Jun 28, 2011·Molecular Biology Reports·Pardeep Kumar BhardwajSanjay Kumar
Jun 2, 2020·Molecular Biology Reports·Weiwei WangFengli Sun
Mar 4, 2021·International Journal of Molecular Sciences·Evangelia StavridouIrini Nianiou-Obeidat

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