Project description:Filamentous fungus (anamorph: Trichoderma reesei; teleomorph: Hypocrea jecorina) important to industry for its cellulase production
Project description:Hypocrea jecorina (anamorph Trichoderma reesei) is one of the most well studied fungi used in biotechnology industry. This fungus is today a paradigm for the comercial scale production of different plant cell wall degrading enzymes, mainly cellulases and hemicellulases. The objective of this study was to analyze the transcriptional profiling of T. reesei (Δxyr1) grown in presence of cellulose, sophorose and glucose as the carbon source using RNA-seq approach.
Project description:Investigation of whole genome gene expression level changes in response to different light conditions of the T. reesei QM9414 parental strain and the deletion strains delta-phlp1, delta-gnb1 and delta gng1, cultivated on 1 % microcrystalline cellulose. The mutants analyzed in this study are further described in Tisch et al. 2011: Carbohydrate degradation is significantly regulated by light and the phosducin like protein PhLP1 in Trichoderma reesei (Hypocrea jecorina).
Project description:Expression analysis of Hypocrea jecorina CBS999.97(MAT1-2) wild-type and delta-env1 strains in four different light and darkness conditions
Project description:Investigation of whole genome gene expression level changes in response to different light conditions of the T. reesei QM9414 parental strain and the deletion strains delta-phlp1, delta-gnb1 and delta gng1, cultivated on 1 % microcrystalline cellulose. The mutants analyzed in this study are further described in Tisch et al. 2011: Carbohydrate degradation is significantly regulated by light and the phosducin like protein PhLP1 in Trichoderma reesei (Hypocrea jecorina). We used two biological replicates of four T. reesei strains (QM9414, delta-phlp1, delta-gnb1 and delta-gng1), cultivated in constant light (LL, 1800 lux) or constant darkness (DD) on microcrystalline cellulose.
Project description:A Trichoderma microarrays composed of 385,000 probes, designed against the genomes of Trichoderma reesei (= Hypocrea jecorina), ID: 431241 (9,129 genes) + Trichoderma virens (= Hypocrea virens), ID: 413071 (11,643 genes) + Trichoderma atroviride (= Hypocrea atroviridis) ID: 197014A (11,643 genes), was constructed (Roche-NimbleGen, Inc., Madison, WI, USA). Probes contained entere transcript sequence. This microarray was used to analyze the transcriptomic changes of T. atroviride IMI 352941 (T11) in three conditions: T11 growing alone, T11 growing at ca 5 mm of V. dahliae V-138I and T11 overgrowing V-138I.
Project description:The identification and characterization of the transcriptional regulatory networks governing the physiological behaviour and adaptation of microbial cells is a key step in understanding their behaviour. One such wide-domain regulatory circuit, essential to all cells, is carbon catabolite repression (CCR): it allows the cell to prefer some carbon sources, whose assimilation is of high nutritional value, over less profitable ones. This system has been investigated in bacteria, yeast and filamentous fungi. In the latter, the C2H2 zinc finger protein has been shown to act as the central transcriptional repressor in this process. Here, we deciphered the CRE1 regulon by profiling transcription in a wild-type and delta-cre1 mutant strains on glucose in the model cellulose and hemicellulose-degrading fungus Trichoderma reesei (anamorph of Hypocrea jecorina) at constant growth rates known to per se repress and derepress CCR-affected genes.
