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In the present work we studied the karyotype stability during long-term in vitro maintenance in 3 cloned strains of Leishmania (Viannia) peruviana, Leishmania (Viannia) braziliensis and a hybrid between both species. Only the L. (V.) peruviana strain showed an unstable karyotype, even after subcloning. Four chromosomes were studied in detail, each of them(More)
We report the first case of natural infection of a domestic female cat (Felis catus) by Leishmania (Viannia) braziliensis in French Guiana. The infected animal had a cutaneous ulcer on the nose and nodules of different sizes in the ears. The diagnosis was confirmed by molecular analysis of cutaneous samples that detected the presence of Leishmania parasites(More)
The distribution of phlebotomine sand flies is widely reported to be changing in Europe. This can be attributed to either the discovery of sand flies in areas where they were previously overlooked (generally following an outbreak of leishmaniasis or other sand fly-related disease) or to true expansion of their range as a result of climatic or environmental(More)
Leishmaniases remain a major public health problem. Despite the development of elaborate experimental techniques and sophisticated statistical tools, how these parasites evolve, adapt themselves to new environmental compartments and hosts, and develop resistance to new drugs remains unclear. Leishmania parasites constitute a complex model from a biological,(More)
Multidrug-resistant tuberculosis is a major issue worldwide; however, accessibility to drug susceptibility testing (DST) is still limited in developing countries, owing to high costs and complexity. We developed a proportion method on 12-well microplates for DST. The assay reduced the time to results to <12 days and <10 days when bacterial growth was(More)
The Western Palearctic (WP) is composed of Europe, Middle East and North Africa. In this territory, the Mediterranean Sea, and the land under the influence of the Mediterranean Sea is the most important geographical character for both migration and dispersion of organisms; especially for invertebrates including sand flies. Anatolia (Asia-Minor) takes place(More)
One key process of the life cycle of pathogens is their mode of reproduction. Indeed, this fundamental biological process conditions the multiplication and the transmission of genes and thus the propagation of diseases in the environment. Reproductive strategies of protozoan parasites have been a subject of debate for many years, principally due to the(More)
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