Abstract

Abstract Trichoderma reesei is a key fungus for industrial production of lignocellulolytic enzymes. The genome sequences of the T. reesei hyper-cellulolytic strain RUT-C30 and its parental strain QM6a were compared at the nucleotide level. Approximately 97% of the 87 genomic-sequence scaffolds of T. reesei QM6a (33Mb) were found to have the corresponding nucleotide in the 182 genome-sequence scaffolds of RUT-C30 (32Mb). There are 455 loci within the QM6 sequence not detected in the RUT-C30 sequence. Regions at the termini of QM6a scaffolds as well as 14 small scaffolds do not have corresponding regions in RUT-C30 genomic scaffolds. Seventy-eight protein-encoding genes are included within these regions. Mutated nucleotide(s) in 2,371 positions, including short insertion/deletions (indels), were detected in the aligned regions. The predicted protein-coding regions of 97 gene models contain mutations, 34 of which were not previously described. Twenty-seven out of 34 newly discovered genes were found to have ...

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