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PubMedDate not supplied

[INFLUENCE OF DDTIZATION ON THE INCIDENCE OF HUMAN KALA-AZAR IN CEARA. NEW DATA].

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Animals↗

PubMedDate not supplied

[MICROTOMUS LUNIFER BERG AS HOST, MAINTAINER AND ACCIDENTAL VECTOR OF T. CRUZI, AMONG THE WILD ANIMALS OF THE NORTH OF THE PROVINCE OF CORDOBA].

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Animals↗

PubMed1959

Studies on sucking lice (Anoplura) in Japan. Part V. Experimental transmission of Rickettsia orientalis, R. mooseri and R. prowazeki with murine lice.

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Animals↗

PubMed1995

Expression and processing of putative nonstructural proteins of hepatitis C virus in insect cells using baculovirus vector.

Processing of the putative nonstructural (NS) proteins, p70(NS3), p4(NS4A), p27(NS4B), p58/56(NS5A), and p66(NS5B), of Japanese type hepatitis C virus (HCV) in insect cells was analyzed by using a baculovirus expression system. Products processed by the HCV serine proteinase (Cpro-2) were essentially identical to those found in mammalian cultured cells transiently producing the NS region of the HCV precursor polyprotein. A series of internal and carboxy (C)-terminal deletion experiments coupled with epitope scanning analysis showed that efficient cleavage at the Cpro-2-dependent processing sites, except at the p4(NS4A)/p27(NS4B) site, is not significantly influenced by those mutations. Efficient cleavage at p4(NS4A)/p27(NS4B) required about 40% of the NS5A N-terminal region. Estimation of the processing sites by determination of the N-terminal amino acid sequences of the processed products revealed that all the Cpro-2-dependent cleavages occurred at essentially identical sites to those reported for another HCV genotype, suggesting that Cpro-2 is a possible target for the development of a strain-independent anti-HCV agent.

Amino Acid Sequence↗

PubMed1961

Studies on mosquito-borne viruses in their vectors. I. The normal fine structure of the midgut epithelium of the adult female Aedes aegypti (L.) and the functional significance of its modification following a blood meal.

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Aedes↗

PubMedDate not supplied

Influence of short time exposure to an insect growth regulator, hexaflumuron, on mortality and adult emergence of vector mosquitoes.

Hexaflumuron, an insect growth regulator (IGR), was found to greatly affect the development of immatures and emergence of adults of three species of vector mosquitoes, Culex quinquefasciatus, Aedes aegypti and Anopheles stephensi, when larvae were subjected to short time exposure of < or = 1 h. This IGR could completely prevent adult emergence even at a minimum exposure time of 10 min at 0.001, 0.01 and 0.1 mg/l. On treatment, larval and pupal mortality as well as varying degrees of morphogenetic abnormalities were induced in immatures and adults of the three species. Four weeks of control achieved in a slow moving sullage canal breeding Culex quinquefasciatus indicates that this IGR can be of use in such breeding habitats.

Aedes↗

PubMed1964