Document Detail


Patterns in the occurrence of saprophytic fungi carried by arthropods caught in traps baited with rotted wood and dung.
MedLine Citation:
PMID:  17663118     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fungi from approximately 1700 individual arthropods that had been captured in traps set in aspen-dominated woodland in western Canada and baited with coyote dung, moose dung, white-rotted wood, brown-rotted wood and fiberglass were isolated in pure culture and identified. These data were analysed with principal components analysis (PCA) to determine whether different types of substrate attracted specific arthropods and whether these animals carried unique assemblages of fungi with known proclivities for the new habitat. Mycobiotic agar was used to restrict the numbers of fungi isolated and resulted in the recovery of 1687 isolates representing 65 species across 12 orders. Isolates of cosmopolitan fungal taxa such as species of Cladosporium, Penicillium, and Beauveria were the most numerous. Taxa with predilections for specific substrates, such as Myxotrichum and Cryptendoxyla that are known inhabitants of cellulose-rich materials (i.e. rotted wood), and various representatives of the keratinophilic Onygenales were recovered from arthropods attracted respectively to baits rich in cellulose and keratin. When traps were analysed according to the identity and numbers of arthropods captured, there was considerable overlap among clusters representing specific bait types, with traps baited with coyote dung being the most divergent partly because they captured significantly more arthropods than those baited with moose dung or rotted wood. When bait type was examined according to the identity and numbers of fungi on trapped arthropods the degree of overlap was also high although a few trends could be discerned. In particular traps baited with brown-rotted wood and coyote dung diverged slightly indicating that arthropods visiting these bait types were carrying somewhat different suites of fungi.
Authors:
M D Greif; R S Currah
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Mycologia     Volume:  99     ISSN:  0027-5514     ISO Abbreviation:  Mycologia     Publication Date:    2007 Jan-Feb
Date Detail:
Created Date:  2007-07-31     Completed Date:  2007-09-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0400764     Medline TA:  Mycologia     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7-19     Citation Subset:  IM    
Affiliation:
Department of Botany, The Field Museum of Natural History, 1400 S. Lakeshore Dr., Chicago, IL 60605, USA. mgreif@fieldmuseum.org
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MeSH Terms
Descriptor/Qualifier:
Animals
Arthropods / microbiology*
Biodiversity*
Canada
Fungi / classification*,  isolation & purification*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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