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Related Experiment Videos

The A alpha mating-type transcripts of Schizophyllum commune

H Yang1, G P Shen, D C Park

  • 1Department of Botany, University of Vermont, Burlington 05405-0086, USA.

Experimental Mycology
|March 1, 1995
PubMed
Summary

Researchers identified Y and Z mating-type genes in Schizophyllum commune. Transcripts for these genes are present throughout the fungal life cycle, suggesting they regulate development.

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Area of Science:

  • Mycology
  • Molecular Biology
  • Developmental Biology

Background:

  • The A alpha mating-type locus in Schizophyllum commune is crucial for sexual development.
  • Previous studies hypothesized the existence of specific genes within this locus, termed Y and Z, based on DNA sequencing.

Purpose of the Study:

  • To identify, map, and characterize the transcripts produced by the A alpha mating-type locus.
  • To confirm the existence and structure of the proposed Y and Z mating-type genes.

Main Methods:

  • Utilized DNA probes (A alpha 1, A alpha 3, A alpha 4) to analyze poly(A+) RNA from various A alpha mating types via Northern blotting.
  • Mapped transcripts colinear with open reading frames identified through DNA sequencing.

Main Results:

Related Experiment Videos

  • Identified transcripts unique to the A alpha mating type, mapping colinear with open reading frames.
  • Confirmed the existence and structure of the Y and Z mating-type genes.
  • Detected Y and Z gene transcripts in vegetative cells (homokaryons, dikaryons) and fruiting bodies.

Conclusions:

  • The Y and Z genes are confirmed components of the A alpha mating-type locus in Schizophyllum commune.
  • The ubiquitous presence of Y and Z transcripts supports their role as master regulatory switches in A-regulated development throughout the fungal life cycle.