ArticleMicrobiome2024
Unveiling lignocellulolytic potential: a genomic exploration of bacterial lineages within the termite gut.
Article in Microbiome, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed.
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- Metabolic capacities of large "pillotinaceous" spirochetes from termite guts and their placement among Breznakiellaceae.BMC biology · 2026Article
- Insect Gut Microbiota as a Reservoir of Industrially Relevant Enzymes: A Comprehensive Review.Microbial ecology · 2026Review
- Fungal-bacterial interaction networks in lignocellulose degradation: an integrated ecological and mechanistic perspective.Biotechnology for biofuels and bioproducts · 2026Review
- Discovery and functional characterization of endoglucanases fromApplied and environmental microbiology · 2026Article
- Microbial Mediators of Pine Defense Resistance: Stage-Specific Gut Symbionts Enable Acantholyda posticalis to Overcome Terpenoid Barriers.Microbial ecology · 2026Article
- How Habitat Micromodification Influences Gut Microbiota and Diet Composition of Reintroduced Species: Evidence from Endangered Père David's Deer.Microorganisms · 2026Article
- Comparative metagenomic analysis of gut microbiota inFrontiers in insect science · 2026Article
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- A molecular inventory of the faecal microbiomes of 23 marsupial species.Microbial genomics · 2026Article
- Effects of cotton straw and apple pomace mixed ensilage on growth performance, slaughter performance, meat quality, rumen microbiota and metabolome of Xinjiang Brown cattle.Frontiers in veterinary science · 2026Article
- Gut Symbiont-Driven Adaptive Evolution of Herbivorous Insect-Plant Interactions and Its Ecological Implications.Plants (Basel, Switzerland) · 2025Review
- Caracterização taxonômica integrativa de comunidades bacterianas e fúngicas de tripas de cupins e areia de folhas.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
- Low-Protein-Fed Chickens Benefit from ProbioticAnimals : an open access journal from MDPI · 2025Article
- Changes in the Microbiota of the Scale Insect (Biology · 2025Article
- Metagenomics reveals fibre fermentation and AMR pathways in red grouse (Lagopus scotica) microbiota.BMC microbiology · 2025Article
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe microbial landscape within termite guts varies across termite families. The gut microbiota of lower termites (LT) is dominated by cellulolytic flagellates that sequester wood particles in their digestive vacuoles, whereas in the flagellate-free higher termites (HT), cellulolytic activity has been attributed to fiber-associated bacteria. However, little is known about the role of individual lineages in fiber digestion, particularly in LT.
resultsWe investigated the lignocellulolytic potential of 2223 metagenome-assembled genomes (MAGs) recovered from the gut metagenomes of 51 termite species. In the flagellate-dependent LT, cellulolytic enzymes are restricted to MAGs of Bacteroidota (Dysgonomonadaceae, Tannerellaceae, Bacteroidaceae, Azobacteroidaceae) and Spirochaetota (Breznakiellaceae) and reflect a specialization on cellodextrins, whereas their hemicellulolytic arsenal features activities on xylans and diverse heteropolymers. By contrast, the MAGs derived from flagellate-free HT possess a comprehensive arsenal of exo- and endoglucanases that resembles that of termite gut flagellates, underlining that Fibrobacterota and Spirochaetota occupy the cellulolytic niche that became vacant after the loss of the flagellates. Furthermore, we detected directly or indirectly oxygen-dependent enzymes that oxidize cellulose or modify lignin in MAGs of Pseudomonadota (Burkholderiales, Pseudomonadales) and Actinomycetota (Actinomycetales, Mycobacteriales), representing lineages located at the hindgut wall.
conclusionsThe results of this study refine our concept of symbiotic digestion of lignocellulose in termite guts, emphasizing the differential roles of specific bacterial lineages in both flagellate-dependent and flagellate-independent breakdown of cellulose and hemicelluloses, as well as a so far unappreciated role of oxygen in the depolymerization of plant fiber and lignin in the microoxic periphery during gut passage in HT. Video Abstract.
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