Ocurrence of the antibiotic producing bacterium Burkholderia sp in colonies of the leaf-cutting ant Atta sexdens rubropilosa

Santos, A V and Dillon, R J and Dillon, V M and Reynolds, S E and Samuels, R I (2004) Ocurrence of the antibiotic producing bacterium Burkholderia sp in colonies of the leaf-cutting ant Atta sexdens rubropilosa. FEMS Microbiology Letters, 239 (2). pp. 319-323. ISSN 0378-1097

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Abstract

Fungus garden material from recently established Atta sexdens rubropilosa colonies (6-12 months old) was sampled to detect antibiotic producing microorganisms that inhibited the growth of pathogens of insects and of the fungus gardens but did not affect their mutualistic fungus. A bacterium with activity against the entomopathogenic fungus Beauveria bassiana was isolated from 56% of the gardens tested (n = 57) and identified from its biochemical profile and from 16S and 23S ribosomal DNA sequences as a member of the genus Burkholderia. The ant-associated Burkholderia isolates secreted a potent, anti-fungal agent that inhibited germination of conidia of the entomopathogenic fungi B. bassiana, Metarhizium anisopliae, of the saprophytic Verticillium lecanii, and also of a specialist fungus garden Escovopsis weberi. Growth of the ant's mutualist fungus was unaffected.

Item Type:
Journal Article
Journal or Publication Title:
FEMS Microbiology Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1300/1311
Subjects:
?? antibioticpathogenic microorganismbiological controlburkholderiaentomopathogenic fungileaf-cutting antpseudomonas-cepaciabiological-controldna fragmentsribosomal-rnadiversityrecoveryidentificationsymbiosiscomplexmediageneticsmolecular biologymicrobiology ??
ID Code:
50574
Deposited By:
Deposited On:
28 Oct 2011 12:43
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 12:24