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Comparative Study
. 1993 Apr;238(1-2):304-7.
doi: 10.1007/BF00279559.

The A mating-type genes of the mushroom Coprinus cinereus are not differentially transcribed in monokaryons and dikaryons

W V Richardson  1 , U Kües, L A Casselton
Affiliations
Comparative Study

The A mating-type genes of the mushroom Coprinus cinereus are not differentially transcribed in monokaryons and dikaryons

W V Richardson et al. Mol Gen Genet. 1993 Apr.

Abstract

The A mating type factor of Coprinus cinereus regulates part of a developmental sequence that leads to the conversion of the asexual monokaryon into the fertile dikaryon. The A42 factor is a complex of seven genes, at least four of which are involved in determining the specificity of mating interactions. In this report we show that the A42 genes are constitutively expressed in both monokaryons and dikaryons. This has important implications with respect to intracellular recognition of a compatible mating, which requires an interaction between proteins already present within the cells of the mating partners, and for the subsequent maintenance of dikaryotic growth.

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