The role of carbon starvation in the induction of enzymes that degrade plant-derived carbohydrates in Aspergillus niger.

ABSTRACT: Fungi are an important source of enzymes for saccharification of plant polysaccharides and production of biofuels. Understanding of the regulation and induction of expression of genes encoding these enzymes is still incomplete. To explore the induction mechanism, we analysed the response of the industrially important fungus Aspergillus niger to wheat straw, with a focus on events occurring shortly after exposure to the substrate. RNA sequencing showed that the transcriptional response after 6h of exposure to wheat straw was very different from the response at 24h of exposure to the same substrate. For example, less than half of the genes encoding carbohydrate active enzymes that were induced after 24h of exposure to wheat straw, were also induced after 6h exposure. Importantly, over a thir

SUBMITTER: van Munster JM 

PROVIDER: S-EPMC4217149 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature