Document Detail

Multihost saprobes are facultative pathogens of bullfrog Lithobates catesbeianus eggs.
MedLine Citation:
PMID:  23047187     Owner:  NLM     Status:  In-Data-Review    
Pathogens that infect more than one host species create complex linkages in ecological communities. We tested whether saprobes that grow on multiple host species in aquatic systems can be facultative pathogens of amphibian eggs. We isolated oomycetes from dead arthropods, vertebrates, plant leaves, and frog eggs that coexisted in a small pond. Analysis of internal transcribed spacer regions of rDNA (ITS1-5.8S-ITS2) indicated that several of the strains colonized more than one substrate, including bullfrog Lithobates catesbeianus eggs. In a controlled experiment, isolates from 7 different host species were pathogenic to L. catesbeianus eggs. These results demonstrate that dead organisms can serve as reservoirs for facultative pathogens.
Gregory R Ruthig; Katie N Provost-Javier
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Diseases of aquatic organisms     Volume:  101     ISSN:  0177-5103     ISO Abbreviation:  Dis. Aquat. Org.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8807037     Medline TA:  Dis Aquat Organ     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  13-21     Citation Subset:  IM    
Mountain Lake Biological Station, University of Virginia, Charlottesville, Virginia 22904, USA.
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