Dataset Information

Draft Genome Sequence of Aspergillus ochraceus Strain DY1, a Lignin-Degrading Fungus Isolated from Wood Rot.

ABSTRACT: Aspergillus spp. are known for their lignin-degrading ability and also for the degradation of complex aromatic compounds. In this paper, we present the genome sequence of Aspergillus ochraceus strain DY1, which was isolated from rotten wood in a biodiversity park. The total genome size is 35,149,223 bp, including 13,910 hits of protein-encoding genes, with a GC content of 49.92%.

SUBMITTER: Salam MD

PROVIDER: S-EPMC10112058 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Draft Genome Sequence of Aspergillus ochraceus Strain DY1, a Lignin-Degrading Fungus Isolated from Wood Rot.

Salam Menaka Devi MD Nilza Namdol N Varma Ajit A

Microbiology resource announcements 20230306 4

Aspergillus spp. are known for their lignin-degrading ability and also for the degradation of complex aromatic compounds. In this paper, we present the genome sequence of Aspergillus ochraceus strain DY1, which was isolated from rotten wood in a biodiversity park. The total genome size is 35,149,223 bp, including 13,910 hits of protein-encoding genes, with a GC content of 49.92%. ...[more]

PMID: 36877046

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Project description:Novel bacterial isolates with the capabilities of lignin depolymerization, catabolism, or both, could be pertinent to lignocellulosic biofuel applications. In this study, we aimed to identify anaerobic bacteria that could address the economic challenges faced with microbial-mediated biotechnologies, such as the need for aeration and mixing. Using a consortium seeded from temperate forest soil and enriched under anoxic conditions with organosolv lignin as the sole carbon source, we successfully isolated a novel bacterium, designated 159R. Based on the 16S rRNA gene, the isolate belongs to the genus Sodalis in the family Bruguierivoracaceae. Whole-genome sequencing revealed a genome size of 6.38 Mbp and a GC content of 55 mol%. To resolve the phylogenetic position of 159R, its phylogeny was reconstructed using (i) 16S rRNA genes of its closest relatives, (ii) multilocus sequence analysis (MLSA) of 100 genes, (iii) 49 clusters of orthologous groups (COG) domains, and (iv) 400 conserved proteins. Isolate 159R was closely related to the deadwood associated Sodalis guild rather than the tsetse fly and other insect endosymbiont guilds. Estimated genome-sequence-based digital DNA-DNA hybridization (dDDH), genome percentage of conserved proteins (POCP), and an alignment analysis between 159R and the Sodalis clade species further supported that isolate 159R was part of the Sodalis genus and a strain of Sodalis ligni. We proposed the name Sodalis ligni str. 159R (=DSM 110549 = ATCC TSD-177). IMPORTANCE Currently, in the paper industry, paper mill pulping relies on unsustainable and costly processes to remove lignin from lignocellulosic material. A greener approach is biopulping, which uses microbes and their enzymes to break down lignin. However, there are limitations to biopulping that prevent it from outcompeting other pulping processes, such as requiring constant aeration and mixing. Anaerobic bacteria are a promising alternative source for consolidated depolymerization of lignin and its conversion to valuable by-products. We presented Sodalis ligni str. 159R and its characteristics as another example of potential mechanisms that can be developed for lignocellulosic applications.

Dataset Information

Draft Genome Sequence of Aspergillus ochraceus Strain DY1, a Lignin-Degrading Fungus Isolated from Wood Rot.

Publications

Draft Genome Sequence of Aspergillus ochraceus Strain DY1, a Lignin-Degrading Fungus Isolated from Wood Rot.

Similar Datasets

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