Hunger tolerance and Leishmania in sandflies

Yosef Schlein () and Raymond L. Jacobson
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Yosef Schlein: Hebrew University Hadassah Medical School
Raymond L. Jacobson: Hebrew University Hadassah Medical School

Nature, 2001, vol. 414, issue 6860, 168-168

Abstract: Abstract The sandfly Phlebotomus papatasi transmits Leishmania major, the agent of cutaneous leishmaniasis, in desert and savannah regions of the Old World1, where seasonal stress of dehydration and heat reduces the quantity of sugar in plant leaves2. Without essential sugar, only a few flies that feed on leaves can survive for long enough to deposit eggs and transmit Leishmania3,4. Accordingly, selection for hunger tolerance may also select for pathogen susceptibility in flies. Here we provide evidence of a link between these advantageous and costly5,6 properties by testing the susceptibility of flies selected by sugar deprivation and of flies from irrigated and arid habitats.

Date: 2001
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DOI: 10.1038/35102679

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