Journal
FEMS MICROBIOLOGY LETTERS
Volume 300, Issue 2, Pages 180-187Publisher
OXFORD UNIV PRESS
DOI: 10.1111/j.1574-6968.2009.01778.x
Keywords
Entomophthorales; Entomophthoraceae; entomopathogenic fungi; evolution; Hemiptera; Diptera
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Funding
- CONICET (National Research Council of Argentina)
- ANPCyT [PICT 20337-04]
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Three DNA regions (ITS 1, LSU rRNA and GPD) of isolates from the insect-pathogenic fungus genus Entomophthora originating from different fly (Diptera) and aphid (Hemiptera) host taxa were sequenced. The results documented a large genetic diversity among the fly-pathogenic Entomophthora and only minor differences among aphid-pathogenic Entomophthora. The evolutionary time of divergence of the fly and the aphid host taxa included cannot account for this difference. The host-driven divergence of Entomophthora, therefore, has been much greater in flies than in aphids. Host-range differences or a recent host shift to aphid are possible explanations.
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