Abstract:
BACKGROUND:Unveiling fungal genome structure and function reveals the potential biotechnological use of fungi. Trichoderma harzianum is a powerful CAZyme-producing fungus. We studied the genomic regions in T. harzianum IOC3844 containing CAZyme genes, transcription factors and transporters. RESULTS:We used bioinformatics tools to mine the T. harzianum genome for potential genomics, transcriptomics, and exoproteomics data and coexpression networks. The DNA was sequenced by PacBio SMRT technology for multiomics data analysis and integration. In total, 1676 genes were annotated in the genomic regions analyzed; 222 were identified as CAZymes in T. harzianum IOC3844. When comparing transcriptome data under cellulose or glucose conditions, 114 genes were differentially expressed in cellulose, with 51 being CAZymes. CLR2, a transcription factor physically and phylogenetically conserved in Trichoderma spp., was differentially expressed under cellulose conditions. The genes induced/repressed under cellulose conditions included those important for plant biomass degradation, including CIP2 of the CE15 family and a copper-dependent LPMO of the AA9 family. CONCLUSIONS:Our results provide new insights into the relationship between genomic organization and hydrolytic enzyme expression and regulation in T. harzianum IOC3844. Our results can improve plant biomass degradation, which is fundamental for developing more efficient strains and/or enzymatic cocktails to produce hydrolytic enzymes.
journal_name
BMC Genomicsjournal_title
BMC genomicsauthors
Ferreira Filho JA,Horta MAC,Dos Santos CA,Almeida DA,Murad NF,Mendes JS,Sforça DA,Silva CBC,Crucello A,de Souza APdoi
10.1186/s12864-020-07158-wsubject
Has Abstractpub_date
2020-11-02 00:00:00pages
757issue
1issn
1471-2164pii
10.1186/s12864-020-07158-wjournal_volume
21pub_type
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