Molecular genetic and biochemical analysis of Brassica napus proliferating cell nuclear antigen function

Molecular genetic and biochemical analysis of Brassica napus proliferating cell nuclear antigen... A cDNA encoding the proliferating cell nuclear antigen (PCNA) from Brassica napus (oilseed rape) was shown to complement the lethal deletion mutation in the PCNA gene (ΔPOL30) of Saccharomyces cerevisiae. We provide unequivocal evidence that the B. napus PCNA can perform all the essential functions of the yeast PCNA in DNA replication, although some species-specific differences may exist. In addition, the B. napus PCNA expressed as a fusion polypeptide with glutathione S-transferase (GST) was shown to stimulate the activity and processivity of two δ-like DNA polymerases from wheat in vitro. These experiments provide direct biochemical evidence that the B. napus PCNA may function as an auxiliary factor in plant cell DNA replication. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Molecular genetic and biochemical analysis of Brassica napus proliferating cell nuclear antigen function

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1997 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1005817220344
Publisher site
See Article on Publisher Site

Abstract

A cDNA encoding the proliferating cell nuclear antigen (PCNA) from Brassica napus (oilseed rape) was shown to complement the lethal deletion mutation in the PCNA gene (ΔPOL30) of Saccharomyces cerevisiae. We provide unequivocal evidence that the B. napus PCNA can perform all the essential functions of the yeast PCNA in DNA replication, although some species-specific differences may exist. In addition, the B. napus PCNA expressed as a fusion polypeptide with glutathione S-transferase (GST) was shown to stimulate the activity and processivity of two δ-like DNA polymerases from wheat in vitro. These experiments provide direct biochemical evidence that the B. napus PCNA may function as an auxiliary factor in plant cell DNA replication.

Journal

Plant Molecular BiologySpringer Journals

Published: Sep 29, 2004

References

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