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Identification of a domain in yeast chitin synthase 3 interacting with chitin synthase 4 by two-hybrid analysis

Title
Identification of a domain in yeast chitin synthase 3 interacting with chitin synthase 4 by two-hybrid analysis
Authors
Park, YSChoi, SJPark, NHKim, CHKim, SUChoi, W
Ewha Authors
최원자
SCOPUS Author ID
최원자scopus
Issue Date
2002
Journal Title
JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY
ISSN
1017-7825JCR Link
Citation
vol. 12, no. 6, pp. 943 - 949
Keywords
chitin synthase 3two-hybrid analysisSaccharomyces cerevisiaeScCHS4
Publisher
KOREAN SOC MICROBIOLOGY & BIOTECHNOLOGY
Indexed
SCIE; SCOPUS; KCI WOS scopus
Abstract
It has been proposed that chitin synthase 3 (CHS3)-mediated chitin synthesis during the vegetative cell cycle is regulated by chitin synthase 4 (CHS4) of Saccharomyces cerevisiae. To investigate direct protein-protein interaction between the coding products of these two genes, a domain of Chs3p that is responsible for interaction with Chs4p was identified, using the yeast two-hybrid system. This domain of 54 amino acids, termed MIRC3-4 (Maximum Interacting Region of Chs3p with Chs4p), is well conserved among CHS3 homologs of various fungi. Some mutations in MIRC3-4 resulted in a decrease in the enzymatic activity and chitin contents. Chs3p carrying those mutations exhibited weak interactions with Chs4p, when assayed by the yeast two-hybrid system. Surprisingly, all the mutants were sensitive to Calcofluor regardless of changes in enzymatic activities or chitin contents. This report deals with a core region in MIRC3-4 that affects the interaction with Chs4p.
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자연과학대학 > 생명과학전공 > Journal papers
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