Document Detail

Microbiomes of ant castes implicate new microbial roles in the fungus-growing ant Trachymyrmex septentrionalis.
MedLine Citation:
PMID:  22355719     Owner:  NLM     Status:  In-Data-Review    
Fungus-growing ants employ several defenses against diseases, including disease-suppressing microbial biofilms on their integument and in fungal gardens. Here, we compare the phenology of microbiomes in natural nests of the temperate fungus-growing ant Trachymyrmex septentrionalis using culture-dependent isolations and culture-independent 16S-amplicon 454-sequencing. 454-sequencing revealed diverse actinobacteria associated with ants, including most prominently Solirubrobacter (12.2-30.9% of sequence reads), Pseudonocardia (3.5-42.0%), and Microlunatus (0.4-10.8%). Bacterial abundances remained relatively constant in monthly surveys throughout the annual active period (late winter to late summer), except Pseudonocardia abundance declined in females during the reproductive phase. Pseudonocardia species found on ants are phylogenetically different from those in gardens and soil, indicating ecological separation of these Pseudonocardia types. Because the pathogen Escovopsis is not known to infect gardens of T. septentrionalis, the ant-associated microbes do not seem to function in Escovopsis suppression, but could protect against ant diseases, help in nest sanitation, or serve unknown functions.
Heather D Ishak; Jessica L Miller; Ruchira Sen; Scot E Dowd; Eli Meyer; Ulrich G Mueller
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Publication Detail:
Type:  Journal Article     Date:  2011-12-22
Journal Detail:
Title:  Scientific reports     Volume:  1     ISSN:  2045-2322     ISO Abbreviation:  Sci Rep     Publication Date:  2011  
Date Detail:
Created Date:  2012-02-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101563288     Medline TA:  Sci Rep     Country:  England    
Other Details:
Languages:  eng     Pagination:  204     Citation Subset:  -    
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