Proteomics

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Mixed colonies of Aspergillus niger and Aspergillus oryzae cooperatively degrading wheat bran


ABSTRACT: A. niger and A. oryzae are two filamentous fungi widely used in industry to produce various enzymes (e.g. pectinases, amylases) and metabolites (e.g. citric acid). Using proteomics, the co-cultivation of these two fungi in wheat bran showed an equal distribution of the two strains forming mixed colonies with a broad range of carbohydrate active enzymes produced. This stable mixed microbial system seems suitable for subsequent commercial processes such as enzyme production. XlnR knock-out strains for both aspergilli were used to study the influence of plant cell wall degrading enzyme production on the fitness of the mixed culture.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Aspergillus Oryzae Var. Oryzae Aspergillus Niger

SUBMITTER: Sjef Boeren  

LAB HEAD: Sjef Boeren

PROVIDER: PXD005532 | Pride | 2017-02-27

REPOSITORIES: Pride

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Mixed colonies of Aspergillus niger and Aspergillus oryzae cooperatively degrading wheat bran.

Benoit-Gelber I I   Gruntjes T T   Vinck A A   van Veluw J G JG   Wösten H A B HAB   Boeren S S   Vervoort J J M JJM   de Vries R P RP  

Fungal genetics and biology : FG & B 20170220


In both natural and man-made environments, microorganisms live in mixed populations, while in laboratory conditions monocultures are mainly used. Microbial interactions are often described as antagonistic, but can also be neutral or cooperative, and are generally associated with a metabolic change of each partner and cause a change in the pattern of produced bioactive molecules. A. niger and A. oryzae are two filamentous fungi widely used in industry to produce various enzymes (e.g. pectinases,  ...[more]

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