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Leishmania / l iː ʃ ˈ m eɪ n i ə,-ˈ m æ n-/ [1] is a parasitic protozoan, a single-celled organism of the genus Leishmania that is responsible for the disease leishmaniasis. [2] [3] [4] They are spread by sandflies of the genus Phlebotomus in the Old World, and of the genus Lutzomyia in the New World.
For example, in Leishmania, protein-coding genes are understood to be organized as large polycistronic units in a head-to-head or tail-to-tail manner; RNA polymerase II transcribes long polycistronic messages in the absence of defined RNA pol II promoters, and Leishmania has unique features concerning the regulation of gene expression in ...
Leishmania infantum JPCM5: Parasitic protozoan Human pathogen (Visceral leishmaniasis) 33 Mb 8,195 [55] Sanger Institute, Imperial College and University of Glasgow 2007 [55] Leishmania major Strain:Friedlin: Parasitic protozoan Human pathogen (Cutaneous leishmaniasis) 32.8 Mb 8,272 [56] Sanger Institute and Seattle Biomedical Research ...
Leishmaniavirus (also known as Leishmania RNA virus or LRV) is a genus of double-stranded RNA virus, in the family Totiviridae. Protozoa serve as natural hosts, and Leishmaniaviruses are present in several species of the human protozoan parasite Leishmania .
Leishmania amazonensis is a parasite responsible for the disease leishmaniasis. This species has been known to spread by using sandflies as its vector and a vertebrate as its primary host, just like other species of Leishmania. [ 1 ]
Leishmania tropica is a flagellate parasite and the cause of anthroponotic [dubious – discuss] cutaneous leishmaniasis in humans. [2] This parasite is restricted to Afro-Eurasia and is a common cause of infection in Afghanistan , Iran , Syria , Yemen , Algeria , Morocco , and northern India .
Leishmania mexicana can induce the cutaneous and diffuse cutaneous clinical manifestations in humans and certain other mammalian hosts. The cutaneous type develops an ulcer at the bite site, here the amastigotes do not spread and the ulcers become visible either a few days or several months after the initial bite.
Leishmania infantum in a bone marrow smear. L. longipalpis plays a primary role in the transmission of Leishmania infantum throughout several countries in South America.This parasite directly causes visceral leishmaniasis, which is a severe disease that affects internal organs, including the spleen, liver, and bone marrow. The parasitic ...