Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies.

Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies. Research Abstract Details 

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Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies. Abstract Text:

Paul A Bates,Paul A Bates,

A thorough understanding of the transmission mechanism of any infectious agent is crucial to implementing an effective intervention strategy. Here, our current understanding of the mechanisms that Leishmania parasites use to ensure their transmission from sand fly vectors by bite is reviewed. The most important mechanism is the creation of a "blocked fly" resulting from the secretion of promastigote secretory gel (PSG) by the parasites in the anterior midgut. This forces the sand fly to regurgitate PSG before it can bloodfeed, thereby depositing both PSG and infective metacyclic promastigotes in the skin of a mammalian host. Other possible factors in transmission are considered: damage to the stomodeal valve; occurrence of parasites in the salivary glands; and excretion of parasites from the anus of infected sand flies. Differences in the transmission mechanisms employed by parasites in the three subgenera, Leishmania, Viannia and Sauroleishmania are also addressed.

Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies. Publishing Authors By Initials

PA Bates,PA Bates,

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Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies. Journal Published:

PUBLICATION TYPE: Review

Journal: International journal for parasitology

VOLUME: 37

Page Numbers: 1097-106

Journal Abbreviation: Int. J. Parasitol.

ISSN: 0020-7519

DAY: 18

MONTH: 04

YEAR: 2007

Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies. Information

Number of References: 59

LANGUAGE: eng

NlmUniqueID: 314024

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Grant and Affiliation Information for Transmission of Leishmania metacyclic promastigotes by phlebotomine sand flies.

AFFILIATION: Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK. pbates@liverpool.ac.uk

Country: England

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MEDLINETA: Int J Parasitol

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