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ZMVHA-B1, the gene for subunit B of vacuolar H+-ATPase from the eelgrass Zostera marina L. Is able to replace vma2 in a yeast null mutant

Paper ID Volume ID Publish Year Pages File Format Full-Text
22509 43300 2006 6 PDF Available
Title
ZMVHA-B1, the gene for subunit B of vacuolar H+-ATPase from the eelgrass Zostera marina L. Is able to replace vma2 in a yeast null mutant
Abstract

A vacuolar H+-ATPase (VHA) gene (ZMVHA-B1) was isolated from an eelgrass (Zostera marina) leaf cDNA library and was characterized to be approximately 1.4 kbp in length and to encode the B subunit protein of VHA comprising 488 amino acids. ZMVHA-B1 was highly expressed in all organs of eelgrass; the expression level was highest in the leaves. On transformation of a yeast vma2 null mutant with ZMVHA-B1, yeast cells became able to grow at pH 7.5, accompanied by the vesicular accumulation of LysoSensor green DND-189. Thus, ZMVHA-B1 expressed in yeast cells produced a functional B subunit that was efficiently incorporated into the VHA complex and eventually restored vacuolar morphology and activity. This success expedites the application of heterologous expression in yeast mutant cells to the screening of eelgrass genes involved in salt-resistance mechanisms, which are to be utilized in improving important crops.

Keywords
Zostera marina; ZMVHA-B1; yeast complementation; salt stress; vacuolar H+-ATPase
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ZMVHA-B1, the gene for subunit B of vacuolar H+-ATPase from the eelgrass Zostera marina L. Is able to replace vma2 in a yeast null mutant
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 102, Issue 5, November 2006, Pages 390–395
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us