PMID: 9177312May 1, 1997Paper

A phosphate-starvation inducible beta-glucosidase gene (psr3.2) isolated from Arabidopsis thaliana is a member of a distinct subfamily of the BGA family

Plant Molecular Biology
M A Malboobi, D D Lefebvre

Abstract

We have previously isolated a phosphate starvation-response (psr) cDNA clone, psr3.1, from Brassica nigra which encodes a beta-glucosidase. Southern blots of Arabidopsis thaliana genomic DNA probed with the psr3.1 cDNA indicated that this gene exists as a single locus. A genomic library of A. thaliana was screened at high stringency to isolate the corresponding genomic clone. The resultant clone was coined psr3.2 because of its sequence divergence from isolated psr3.1 cDNA clones. Northern blotting with probes derived from the coding region of the genomic clone showed that this gene is expressed at high levels in P(i)-starved roots and the enhancement occurred within two days of growth in medium lacking P(i). The expression of this gene is repressed by heat shock and anaerobic conditions, and it is not significantly induced by high salinity, or by nitrogen or sulfur deprivation. Sequence analysis of the genomic clone revealed the existence of 13 exons interrupted by 12 AT-rich introns and it possessed a high homology with the B. nigra psr3.1 as well as various other beta-glucosidase genes from other species. Sequence similarity and divergence percentages between the deduced amino acid sequences of the psr3 clones and other beta...Continue Reading

Citations

Dec 8, 2009·Plant & Cell Physiology·Young Ock AhnAsim Esen
May 22, 2010·Cellular and Molecular Life Sciences : CMLS·James R Ketudat Cairns, Asim Esen
Jan 1, 2002·The Arabidopsis Book·Yves Poirier, Marcel Bucher
Apr 12, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alberto Cruz RodríguezMargarito Martínez Cruz
Oct 19, 2017·Plant, Cell & Environment·Franklin Magnum de Oliveira SilvaAdriano Nunes-Nesi
Jan 14, 2004·Journal of Experimental Botany·José Manuel Franco-ZorrillaJavier Paz-Ares
Mar 12, 2004·Annual Review of Plant Physiology and Plant Molecular Biology·K. G. Raghothama
Dec 18, 2018·Iranian Journal of Biotechnology·Mohammad Sadegh SabetMostafa Valizadeh
Dec 18, 2004·Plant Molecular Biology·Zhiwei XuAsim Esen
Oct 7, 2006·Plant Physiology and Biochemistry : PPB·Z Minic, L Jouanin

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