Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants.

Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants. Research Abstract Details 

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Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants. Abstract Text:

A Na(+)/H(+) antiporter gene (CvNHA1) was cloned from the salt-tolerant yeast Candida versatilis. CvNHA1 encodes an antiporter with a typical yeast plasma membrane Na(+)/H(+) antiporter structure. Transcription of CvNHA1 in C. versatilis cells was dependent on the salinity of the culture. When CvNHA1 was expressed in salt-sensitive Saccharomyces cerevisiae cells, increased salt-tolerance was observed, indicating that Cvnha1p possesses an Na(+)/H(+) antiporter function, because the increased salt-tolerance was dependent on the extracellular pH. It appears that Cvnha1p mediates only the transport of Na(+). In an S. cerevisiae transformant harboring a CvNHA1-EGFP fusion plasmid in which the greater part of the C-terminal hydrophilic region of Cvnha1p was deleted by fusion with enhanced green fluorescent protein (EGFP), the Cvnha1-EGFP fusion protein was localized mainly in the plasma membrane, and the NaCl-tolerance of this transformant was greater than that of a strain harboring the entire CvNHA1 gene.

Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants. Publishing Authors By Initials

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Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Bioscience, biotechnology, and biochemistry

VOLUME: 72

Page Numbers: 1005-14

Journal Abbreviation: Biosci. Biotechnol. Biochem.

ISSN: 1347-6947

DAY: 7

MONTH: 04

YEAR: 2008

Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants. Information

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LANGUAGE: eng

NlmUniqueID: 9205717

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Grant and Affiliation Information for Heterologous expression of Na+/H+ antiporter gene (CvNHA1) from salt-tolerant yeast Candida versatilis in Saccharomyces cerevisiae Na+-transporter deficient mutants.

AFFILIATION: Department of Biological Resources, Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan. watanabe@agr.ehime-u.ac.jp

Country: Japan

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MEDLINETA: Biosci Biotechnol Biochem

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