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Moderation of pathogen-induced mortality: the role of density in Bacillus thuringiensis virulence.

Abstract:

Virulence in pathogens may be increased or decreased in order to maximize reproduction and transmission. We investigated how reproduction and virulence in the entomopathogen Bacillus thuringiensis (Bt) changed with bacterial density. We predicted that virulence would be moderated at high pathogen densities because extended time to death allows more growth in hosts. We found that pathogen reproduction (spores produced per cadaver) peaked at an intermediate time to death and was lowest in hosts...

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Publication status:
Published

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Publisher copy:
10.1098/rsbl.2008.0610

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Institution:
University of Oxford
Department:
Oxford, MPLS, Zoology
Role:
Author
Journal:
Biology letters
Volume:
5
Issue:
2
Pages:
218-220
Publication date:
2009-04-05
DOI:
EISSN:
1744-957X
ISSN:
1744-9561
URN:
uuid:7d36e43f-eddc-438d-84eb-70251717ad66
Source identifiers:
161180
Local pid:
pubs:161180

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