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Title: Cloning and characterization of a water deficit stress responsive transcription factor gene from Oryza sativa L.
Authors: Mawlong, Ibandalin
Ali, Kishwar
Tyagi, Aruna
Keywords: AP2-Apetela type 2 transcription factor;Drought;Ethylene responsive factor (ERF);N22;Paddy;Rice crop
Issue Date: Jan-2016
Publisher: NISCAIR-CSIR, India
Abstract: Understanding the biochemical and molecular basis of drought mechanism in rice is important as drought is one of the major causes affecting rice crop adversely. A 1017 bp gene sequence encoding AP2/ERF family TF was isolated from Oryza sativa sp. Indica cv N22 encoding a protein of 338 amino acid residues, with a molecular weight of 36.58 kDa, and no intron in the ORF. The gene was named as AP2/ERF-N22(2) different from the drought responsive gene AP2/ERF-N22 that we reported earlier. AP2/ERF-N22(2) has entirely different characteristics from that of AP2/ERF-N22. It has a single AP2 domain of 55 amino acid residues and a cluster of acidic amino acid residues at the C-terminal region, which could function as a trans-activation domain. Presence of NLS indicates that it is a nuclear localized transcription factor encoding gene. It falls in group VI L, sharing characteristic similarities. Arabidopsis members of group VI L have been shown to be involved in response to cytokinin under drought stress.
Page(s): 26-36
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.54(01) [January 2016]

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