publication . Article . 2008

RESPONSES OF A BACTERIAL PATHOGEN TO PHOSPHORUS LIMITATION OF ITS AQUATIC INVERTEBRATE HOST

Dieter Ebert; Frost, Pc; Smith, Vh;
  • Published: 01 Jan 2008
  • Country: Switzerland
Abstract
Host nutrition is thought to affect the establishment, persistence, and severity of pathogenic infections. Nutrient-deficient foods possibly benefit pathogens by constraining host immune function or benefit hosts by limiting parasite growth and reproduction. However, the effects of poor elemental food quality on a host's susceptibility to infection and disease have received little study. Here we show that the bacterial microparasite Pasteuria ramosa is affected by the elemental nutrition of its aquatic invertebrate host, Daphnia magna. We found that high food carbon : phosphorus (C:P) ratios significantly reduced infection rates of Pasteuria in Daphnia and led t...
Subjects
Medical Subject Headings: fungi
free text keywords: Ecological stoichiometry, Ecology, Microbiology, Biology, Daphnia, biology.organism_classification, Pathogen, Daphnia magna, Cladocera, Microparasite, Pasteuria ramosa, medicine.disease_cause, medicine, Pasteuria
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