Shift of bacterial community in synanthropic mite Tyrophagus putrescentiae induced by Fusarium fungal diet

Tyrophagus putrescentiae (Acari: Astigmata) and Fusarium sp. co-occur in poorly managed grain. In a laboratory experiment, mite grazing resulted in significant reduction of fungal mycelium on cultivation plates. The destruction of mycelium appeared to be a result of an interaction between the mites,...

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Published in:PloS one 2012-10, Vol.7 (10), p.e48429-e48429
Main Authors: Hubert, Jan, Nesvorná, Marta, Ságová-Marečková, Markéta, Kopecký, Jan
Format: Article
Language:English
Subjects:
Acari
Acaridae - microbiology
Animals
Bacteria
Bacteria - classification
Biology
Chitinase
Cloning
Communities
Cultivation
Culture Techniques
Diet
Edible Grain - microbiology
Epidemiology
Experiments
Feeding
Food safety
Fungi
Fusarium
Fusarium - growth & development
Fusarium avenaceum
Gene sequencing
Grain
Laboratories
Microorganisms
Mites
Mycelium - growth & development
Pest control
Phylogenetics
RNA
rRNA
Species Specificity
Tyrophagus putrescentiae
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cited_by cdi_FETCH-LOGICAL-c692t-9ef5c0c700867f7181f102e45e86fee1232c162b93295ffdb7ecbd4fdec4b723
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creator Hubert, Jan
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Ságová-Marečková, Markéta
Kopecký, Jan
description Tyrophagus putrescentiae (Acari: Astigmata) and Fusarium sp. co-occur in poorly managed grain. In a laboratory experiment, mite grazing resulted in significant reduction of fungal mycelium on cultivation plates. The destruction of mycelium appeared to be a result of an interaction between the mites, fungi and associated bacteria. A laboratory experiment was performed to simulate a situation of grain multiinfested by mites and Fusarium fungi. Changes of mite-associated bacterial community in T. putrescentiae were described in 3 habitats: (i) T. putrescentiae mites from a rearing diet prior to their transfer to fungal diet; (ii) fungal mycelium before mite introduction; (iii) mites after 7 day diet of each Fusarium avenaceum, F. culmorum, F. poae and F. verticillioides. Bacterial communities were characterized by 16 S rRNA gene sequencing. In total, 157 nearly full-length 16 S rRNA gene sequences from 9 samples representing selected habitats were analyzed. In the mites, the shift from rearing to fungal diet caused changes in mite associated bacterial community. A diverse bacterial community was associated with mites feeding on F. avenaceum, while feeding on the other three Fusarium spp. led to selection of a community dominated by Bacillaceae. The work demonstrated changes of bacterial community associated with T. putrescentiae after shift to fungal diets suggesting selection for Bacillaceae species known as chitinase producers, which might participate in the fungal mycelium hydrolysis.
doi_str_mv 10.1371/journal.pone.0048429
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subjects Acari
Acaridae - microbiology
Animals
Bacteria
Bacteria - classification
Biology
Chitinase
Cloning
Communities
Cultivation
Culture Techniques
Diet
Edible Grain - microbiology
Epidemiology
Experiments
Feeding
Food safety
Fungi
Fusarium
Fusarium - growth & development
Fusarium avenaceum
Gene sequencing
Grain
Laboratories
Microorganisms
Mites
Mycelium - growth & development
Pest control
Phylogenetics
RNA
rRNA
Species Specificity
Tyrophagus putrescentiae
title Shift of bacterial community in synanthropic mite Tyrophagus putrescentiae induced by Fusarium fungal diet
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