Interrelationships of VEL1 and ENV1 in light response and development in Trichoderma reesei.

ABSTRACT: Sexual development is regulated by a complex regulatory mechanism in fungi. For Trichoderma reesei, the light response pathway was shown to impact sexual development, particularly through the photoreceptor ENVOY. Moreover, T. reesei communicates chemically with a potential mating partner in its vicinity, a response which is mediated by the velvet family protein VEL1 and its impact on secondary metabolism. We therefore studied the regulatory interactions of ENV1 and VEL1 with a focus on sexual development. Although individual mutants in both genes are female sterile under standard crossing conditions (light-dark cycles), an altered light regime enabled sexual development, which we found to be due to conditional female sterility of Δenv1, but not Δvel1. Phenotypes of growth and asexual sporu

SUBMITTER: Bazafkan H 

PROVIDER: S-EPMC5397039 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature