Monitoring expression profiles of antioxidant genes to salinity, iron, oxidative, light and hyperosmotic stresses in the highly salt tolerant grey mangrove, Avicennia marina (Forsk.) Vierh. by mRNA analysis

Plant Cell Reports
M N JitheshAjay Parida

Abstract

Plant photosynthesis results in the production of molecular oxygen. An inevitable consequence of this normal process is the production of reactive oxygen species (ROS) by the transfer of electrons to molecular oxygen. Plants are adequately protected by the presence of multiple antioxidative enzymes in different organelles of the plant such as chloroplasts, cytosol, mitochondria and peroxisomes. Under high light and CO(2) limiting conditions caused by environmental stress like salinity, these antioxidative enzymes play an important role in scavenging toxic radicals. To investigate the functions of antioxidative enzymes in a mangrove plant, we isolated three cDNAs encoding cytosolic Cu-Zn SOD (Sod1), catalase (Cat1) and ferritin (Fer1) from Avicennia marina cDNA library. Sod1, Cat1 and Fer1 cDNA encoded full-length proteins with 152, 492 and 261 amino acids respectively. We studied the expression of these antioxidant genes in response to salt, iron, hydrogen peroxide, mannitol and light stress by mRNA expression analysis. Cat1, Fer1 showed short-term induction while Sod1 transcript was found to be unaltered in response to NaCl stress. A decrease in mRNA levels was observed for Sod1, Cat1 while Fer1 mRNA levels remained unaltered ...Continue Reading

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Citations

Dec 26, 2013·Journal of Experimental Botany·Jayakumar BoseSergey Shabala
Apr 5, 2007·Journal of Genetics·M N JitheshAjay K Parida
Jan 30, 2008·Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine·Karina B BalestrasseMaria L Tomaro
Dec 27, 2015·Plant Science : an International Journal of Experimental Plant Biology·Sergey ShabalaJayakumar Bose
Mar 30, 2010·Plant Physiology and Biochemistry : PPB·Munkhbaatar PurevDeok-Chun Yang
Jun 19, 2009·Journal of Plant Physiology·Mohammad BasyuniHirosuke Oku
Aug 26, 2015·Journal of the Science of Food and Agriculture·Xiaobo WangWenming Zhang
Jun 7, 2015·International Journal of Biological Macromolecules·Farrokhzad ZeinaliEhsan Kamrani
Oct 1, 2008·Functional Plant Biology : FPB·Shrinivasrao P ManeRuth Grene
Mar 25, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Mahsa MohammadiEhsan Mohseni Fard
Feb 10, 2021·G3 : Genes - Genomes - Genetics·Guillermo FriisJohn A Burt
Mar 28, 2021·Plant Physiology and Biochemistry : PPB·Nicolle Louise Ferreira BarrosCláudia Regina Batista de Souza
Feb 24, 2010·Journal of Agricultural and Food Chemistry·Paula M NobileCarlos A Colombo

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