Transcriptional and genomic profiling of industrial Trichoderma reesei strains

Susanna Mäkinen, Marja Paloheimo, Tiina Pakula, Mikko Arvas, Merja Oja, Markku Saloheimo, Merja Penttilä, Jarno Kallio, Jari Vehmaanperä, Terhi Puranen

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific


Trichoderma reesei has a long history in industrial enzyme production because of its high protein secretion capability and easy processability. Despite its many positive features, further strain engineering is still being pursued to remove any remaining protein production and secretion bottlenecks. Systems biology methods were applied to study protein production in selected proprietary T. reesei strains. Transcriptional analysis using microarrays was performed to identify differentially expressed genes in various cultivation conditions and high-density Comparative Genomic Hybridization (CGH) was used to characterize genomic alterations in the strains. Combined data from CGH and transcriptional analyses was utilized to identify target genes for further improvement of protein production/secretion. Deletions and/or overexpressions of 16 genes involved in protein transport, post-translational modification, basic energy metabolism or regulatory functions were studied in detail.
Original languageEnglish
Title of host publicationFungal Genetics Conference
Subtitle of host publication26th Fungal Genetics Conference at Asilomar
PublisherNew Prairie Press
ChapterPoster Abstracts
Publication statusPublished - 2011
MoE publication typeNot Eligible
Event26th Fungal Genetics Conference - Asilomar, United States
Duration: 15 Mar 201120 Mar 2011

Publication series

SeriesFungal Genetics Reports


Conference26th Fungal Genetics Conference
CountryUnited States

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