ArticleApplied microbiology and biotechnology2025
Isolation of lignocellulosic biomass-degrading bacteria from Porcellio dilatatus gut-enriched cultures.
Article in Applied microbiology and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Synergistic Bioconversion of Date Palm Leaves Into Ruminant Feed by a Leopard Moth (Food science & nutrition · 2026Article
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Abstract
The lignocellulosic biomass (LCB) is an attractive, sustainable, and environmentally friendly alternative to fossil sources to produce biofuel, biomaterials, and biochemicals. However, its recalcitrant and heterogenous structure challenges its biodegradation and valorization. The gut microbiome of soil invertebrate species has emerged as a rich source of LCB-degrading bacteria and enzymes in terrestrial ecosystems. The primary objective of this investigation was to identify the bacterial communities within the Porcellio dilatatus gut (Crustacea: Isopods), to obtain enriched cultures, and to identify bacterial isolates with LCB-degrading activity. A total of 112 enriched cultures were screened, all exhibiting xylanolytic activity. Among them, 94 displayed cellulolytic activity, 30 showed chitinolytic activity, and 21 demonstrated ligninolytic activity. Four enriched cultures were selected, and 128 bacteria with cellulolytic, xylanolytic, chitinolytic, or ligninolytic activity were isolated and taxonomically classified. The obtained results reinforce the potential of bacterial communities within the digestive tract of soil invertebrates as a valuable source of lignocellulose-degrading microorganisms. Thirty-one isolates underwent in-depth enzymatic characterization, and five were selected and functionally evaluated. An artificial bacterial consortium was constructed to assess the potential benefits of using consortia to achieve enhanced LCB degradation. The positive results of this proof-of-concept artificial consortium (PdG-AC) can be used in future applications and is a valuable tool for enzymatic and microbial consortia engineering by, e.g., changing growth conditions for enhanced LCB-degrading abilities. KEY POINTS: • The gut microbiome of Porcellio dilatatus was characterized. • Porcellio dilatatus gut hosts many lignocellulose-degrading bacteria. • Developed an artificial bacterial consortium for lignocellulose degradation.
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