ArticlePloS one2017
Structure and dynamics of the gut bacterial microbiota of the bark beetle, Dendroctonus rhizophagus (Curculionidae: Scolytinae) across their life stages.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 64 citations in OpenAlex.
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- Pedal effect: aerobic and facultative anaerobic Enterobacter hormaechei maintain the homeostasis of the house fly gut microbiota under different oxygen conditions.Parasites & vectors · 2025Article
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- Bacterial communities inHeliyon · 2025Article
- Limited Variation in Bacterial Communities ofInsects · 2024Article
- Variation and functional profile of gut bacteria in the scarab beetle, Anomala dimidiata, under a cellulose-enriched microenvironment.Scientific reports · 2024Article
- Composition and Diversity of Gut Bacterial Community in Different Life Stages ofMicroorganisms · 2024Article
- Gut Bacterial Communities in the Ground BeetleInsects · 2024Article
- The Eurasian spruce bark beetleFrontiers in microbiology · 2024Article
- Comparative metagenomic study unveils new insights on bacterial communities in two pine-feedingFrontiers in microbiology · 2024Article
- The impact of carvacrol on the larval gut bacterial structure and function ofFrontiers in microbiology · 2024Article
- Comparative metabarcoding and biodiversity of gut-associated fungal assemblages ofFrontiers in microbiology · 2024Article
- Composition and Diversity of the Endobacteria and Ectobacteria of the Invasive Bark BeetleInsects · 2023Article
- Gut microbial diversity inFrontiers in veterinary science · 2023Article
- A polyphasic taxonomy analysis reveals the presence of an ecotype ofFrontiers in microbiology · 2023Article
- Comparative study of gut microbiota from decomposer fauna in household composter using metataxonomic approach.Archives of microbiology · 2022Article
- Metabarcoding of mycetangia from theFrontiers in microbiology · 2022Article
- Bacteriophage: A Useful Tool for Studying Gut Bacteria Function of Housefly Larvae, Musca domestica.Microbiology spectrum · 2021Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bark beetles play an important role as agents of natural renovation and regeneration in coniferous forests. Several studies have documented the metabolic capacity of bacteria associated with the gut, body surface, and oral secretions of these insects; however, little is known about how the bacterial community structure changes during the life cycle of the beetles. This study represents the first comprehensive analysis of the bacterial community of the gut of the bark beetle D. rhizophagus during the insect's life cycle using 454 pyrosequencing. A total of 4 bacterial phyla, 7 classes, 15 families and 23 genera were identified. The α-diversity was low, as demonstrated in previous studies. The dominant bacterial taxa belonged to the Enterobacteriaceae and Pseudomonadaceae families. This low α-diversity can be attributed to the presence of defensive chemical compounds in conifers or due to different morpho-physiological factors in the gut of these insects acting as strong selective factors. Members of the genera Rahnella, Serratia, Pseudomonas and Propionibacterium were found at all life stages, and the first three genera, particularly Rahnella, were predominant suggesting the presence of a core microbiome in the gut. Significant differences in β-diversity were observed, mainly due to bacterial taxa present at low frequencies and only in certain life stages. The predictive functional profiling indicated metabolic pathways related to metabolism of amino acids and carbohydrates, and membrane transport as the most significant in the community. These differences in the community structure might be due to several selective factors, such as gut compartmentalization, physicochemical conditions, and microbial interactions.
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