Molecular Cloning of Tomato Plasma Membrane H+-ATPase
نویسندگان
چکیده
منابع مشابه
Heavy metal regulation of plasma membrane H+-ATPase gene expression in halophyte Aeluropus littoralis
The present study was conducted to find the effect of three heavy metals, Ag, Hg and Pb on the expression level of a gene encoding plasma membrane H+-ATPase in Aeluropus littoralis. The experiment was laid out in a completely random design with three replications. The expression of the main gene was normalized to the expression of the housekeeping gene actin. Two 259 and 187 bp fragments were a...
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The localization of plasma membrane H+-ATPase has been studied at the optical microscope level utilizing frozen and paraffin sections of Avena sativa and Pisum sativum, specific antiATPase polyclonal antibody, and second antibody coupled to alkaline phosphatase. In leaves and stems the ATPase is concentrated at the phloem, supporting the notion that it generates the driving force for phloem loa...
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The proton-translocating, plasma membrane ATPase was purified from tomato roots. At the final stage of purification approximately 80% of the protein was found in a single band with an apparent molecular weight of 90 kilodaltons. Cross-linking studies indicated that the ATPase normally exists as a trimer of catalytic subunits. No evidence was found for any additional subunits. The pH optimum for...
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In plants, the transport of solutes across the plasma membrane is driven by a proton pump (H+-ATPase) that produces an electric potential and pH gradient. We have isolated and sequenced a full-length cDNA clone that encodes this enzyme in Arabidopsis thaliana. The protein predicted from its nucleotide sequence encodes 959 amino acids and has a molecular mass of 104,207 Da. The plant protein sho...
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Regulation by arbuscular mycorrhizal symbiosis of three tomato plasma membrane H+-ATPase genes (LHA1, LHA2 and LHA4) has been analysed in wild-type and mycorrhiza-defective tomato plants. Expression of these genes was differentially regulated in leaves and roots of both tomato phenotypes after inoculation with Glomus mosseae.
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1990
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.94.4.1874