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Related Experiment Video

Updated: Mar 16, 2026

Sexual Crosses with the Mucoromycete Phycomyces blakesleeanus

Sexual Crosses with the Mucoromycete Phycomyces blakesleeanus

Published on: June 6, 2025

Fungal Evolution: Mucor and Phycomyces See Double.

Jason E Stajich¹

¹Department of Plant Pathology & Microbiology and Institute for Integrative Genome Biology, University of California-Riverside, Riverside, CA 92521, USA.

Current Biology : CB

|August 25, 2016

Summary

Genome sequencing of Mucoralean fungi reveals an ancient whole-genome duplication event. This duplication expanded gene families and likely contributed to their complex light-sensing abilities.

Area of Science:

Fungal genomics
Evolutionary biology
Molecular biology

Background:

Mucoralean fungi possess complex responses to environmental stimuli.
Understanding fungal genome evolution provides insights into gene family expansion and adaptation.

Purpose of the Study:

To investigate the genomic basis of whole-genome duplication in Mucoralean fungi.
To explore the relationship between genome evolution and light-sensing mechanisms in these fungi.

Main Methods:

Comparative genomics using newly available genome sequences of Phycomyces blakesleeanus and Mucor circinelloides.
Analysis of gene families and gene networks involved in light sensing and signaling.

Main Results:

Evidence for an ancient whole-genome duplication event in the studied Mucoralean fungi.

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Identification of expanded gene families potentially arising from this duplication.

Correlation between robust light responses and expanded gene networks for light sensing and signaling.

Conclusions:

Whole-genome duplication is a significant factor in the evolutionary history of Mucoralean fungi.
Gene family expansion following duplication likely facilitated the development of sophisticated light responses.