Document Detail


Ingestion of saliva during carbohydrate feeding by Lutzomyia longipalpis (Diptera; Psychodidae).
MedLine Citation:
PMID:  16699714     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study was to obtain experimental evidence that phlebotomine saliva is actually ingested during the carbohydrate ingestion phase (before and after blood digestion). The ingestion of carbohydrate was simulated as it occurs in the field by offering the insects balls of cotton soaked in sucrose, sucrose crystals or orange juice cells. The results obtained here showed that ingestion occurred under each condition investigated, as indicated by the presence of apyrase, an enzyme used as a marker to detect saliva in the insect gut and/or carbohydrate sources. Saliva ingestion by phlebotomine during the carbohydrate ingestion phase is important to explain how it could promote starch digestion and to trigger Leishmania promastigotes to follow a differentiation pathway as proposed previously by some authors.
Authors:
Reginaldo R Cavalcante; Marcos H Pereira; Jorge M Freitas; Nelder de F Gontijo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-05-12
Journal Detail:
Title:  Memórias do Instituto Oswaldo Cruz     Volume:  101     ISSN:  0074-0276     ISO Abbreviation:  Mem. Inst. Oswaldo Cruz     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-05-15     Completed Date:  2006-08-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7502619     Medline TA:  Mem Inst Oswaldo Cruz     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  85-7     Citation Subset:  IM    
Affiliation:
Departamento de Parasitologia e Microbiologia, CCS, Universidade Federal do Piauí, Teresina, PI, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Animals
Apyrase / analysis*
Biological Markers / analysis
Calorimetry
Carbohydrates*
Diptera / physiology*
Eating / physiology*
Female
Phosphates / analysis
Saliva / enzymology,  physiology*
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Carbohydrates; 0/Phosphates; EC 3.6.1.5/Apyrase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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