Different steps of sexual development are differentially regulated by the Sec8p and Exo70p exocyst subunits | Zendy

Sharifmoghadam Mohammad Reza | Zendy; De Leon Nagore | Zendy; Hoya Marta | Zendy; Curto MaríaÁngeles | Zendy; Valdivieso MaríaHenar | Zendy

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Different steps of sexual development are differentially regulated by the Sec8p and Exo70p exocyst subunits

Author(s) -

Sharifmoghadam Mohammad Reza,

De Leon Nagore,

Hoya Marta,

Curto MaríaÁngeles,

Valdivieso MaríaHenar

Publication year - 2010

Publication title -

fems microbiology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.899

H-Index - 151

eISSN - 1574-6968

pISSN - 0378-1097

DOI - 10.1111/j.1574-6968.2010.01915.x

Subject(s) - exocyst , schizosaccharomyces pombe , microbiology and biotechnology , biology , protein subunit , mutant , mating , mating type , genetics , gene

In this paper we show that in Schizosaccharomyces pombe , mating‐specific cell adhesion is dependent on the exocyst subunit Sec8p, but independent of the exocyst subunit Exo70p. In the absence of Exo70p, the forespore membrane does not develop properly and the leading edge protein Meu14p is abnormally distributed. Additionally, the spindle pole body is aberrant in a significant number of exo70 Δ asci. In both the sec8 ‐ 1 and the exo70 Δ mutants, the development of the spore cell wall is impaired. These results show that different steps of sexual development are differentially regulated by the exocyst and suggest the existence of exocyst subcomplexes with distinct roles in mating.

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