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Bacterial microflora in the gut of the sand fly
Kučerová, Alena ; Hypša, Václav (referee)
Leishmaniasis is an important human parasitic disease of tropical and subtropical areas transmitted by bloodsucking insects of the genus Phlebotomus or Lutzomyia. There are many people under threat, especially in Africa, Latin America, South and Central Asia, in the Mediterannean and the Middle East. The disease manifests from mild skin symptoms to fatal viscerals forms. Leishmania parasites proliferat and develop in the digestive tracts of sand fly. Phlebotomine sandflies feed on sugar solutions produced by plants or other insets (eg. honeydew of aphids). Intake of various food causes the contamination of gut with many microorganisms that may affect the vector and/or transmitted parasites. In addition, microbial colonization of the digestive tract occurs during larval development. Females lay eggs in places rich in organic detritus and decaying animal faeces serving as a larval food. The article published in Folia Parasitologica deals with the composition of the bacterial microflora in laboratory-reared colony of Phlebotomus duboscqi. Mainly aerobic or facultative anaerobic gramnegative rod-shaped bacteria were identified in the gut of larvae and adults. We demonstrated, for the first time in the sandflies, transstadial passage of bacteria from larvae to adults. Bacteria of strain AK, identified...
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