Document Detail


Fragmented environment affects birch leaf endophytes.
MedLine Citation:
PMID:  17635229     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effect of environmental fragmentation on the species distribution and frequency of horizontally transmitted endophytic fungi in Betula pubescens and Betula pendula leaves was studied in an archipelago in southwestern Finland. The study system consisted of 14 islands, ranging in size and distance to the mainland, and five mainland sites. Endophytic fungi were grown out from surface-sterilized leaves. The frequency of endophytic fungi mainly depended on the size of the island, explaining 32-35% of the variation, and the distance to the mainland explaining 29-35% of the variation. The birch trees on the largest islands near the mainland had the highest endophyte frequencies. Fusicladium betulae, Gnomonia setacea and Melanconium betulinum were the most commonly isolated fungi. Foliar endophytes of birch trees are able to disperse to fairly fragmented areas, but their frequencies seem to depend on environmental isolation and size of the island.
Authors:
M Helander; J Ahlholm; T N Sieber; S Hinneri; K Saikkonen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The New phytologist     Volume:  175     ISSN:  0028-646X     ISO Abbreviation:  New Phytol.     Publication Date:  2007  
Date Detail:
Created Date:  2007-07-19     Completed Date:  2007-09-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882884     Medline TA:  New Phytol     Country:  England    
Other Details:
Languages:  eng     Pagination:  547-53     Citation Subset:  IM    
Affiliation:
Section of Ecology, Department of Biology, University of Turku, FIN-20014 Turku, Finland. helander@utu.fi
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MeSH Terms
Descriptor/Qualifier:
Betula / microbiology*
Environment
Fungi*
Geography
Plant Leaves

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


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