Autophagy-associated alpha-arrestin signaling is required for conidiogenous cell development in Magnaporthe oryzae.

ABSTRACT: Conidiation patterning is evolutionarily complex and mechanism concerning conidiogenous cell differentiation remains largely unknown. Magnaporthe oryzae conidiates in a sympodial way and uses its conidia to infect host and disseminate blast disease. Arrestins are multifunctional proteins that modulate receptor down-regulation and scaffold components of intracellular trafficking routes. We here report an alpha-arrestin that regulates patterns of conidiation and contributes to pathogenicity in M. oryzae. We show that disruption of ARRDC1 generates mutants which produce conidia in an acropetal array and ARRDC1 significantly affects expression profile of CCA1, a virulence-related transcription factor required for conidiogenous cell differentiation. Although germ tubes normally develop appresso

SUBMITTER: Dong B 

PROVIDER: S-EPMC4976345 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature