نتایج جستجو برای: argemone mexicana
تعداد نتایج: 4180 فیلتر نتایج به سال:
Immunologically intact BALB/c mice infected with Leishmania mexicana develop non-healing progressively growing lesions associated with a biased Th2 response while similarly infected IL-4Ra-deficient mice fail to develop lesions and develop a robust Th1 response. In order to determine the functional target(s) for IL-4/IL-13 inducing non-healing disease, the course of L. mexicana infection was mo...
Trypanosomatids cause deadly diseases in humans. Of the various biochemical pathways in trypanosomatids, glycolysis, has received special attention because of being sequestered in peroxisome like organelles critical for the survival of the parasites. This study focuses on phosphoglycerate kinase (PGK) from Leishmania spp. which, exists in two isoforms, the cytoplasmic PGKB and glycosomal PGKC d...
With Contributions by L .Brown, W.H.Barry , D.Charlemagne, E. Erdmann, A . A . L.Fox, U.Fricke, W.H.van Gilst, T.Godfraind, K.Greeff, M.Heller , Κ.-Ο. Haustein, G. Isenberg, R.Jacob, T.Kazazoglou, D . K i m , K.Kochsiek, J .M.Koomen, W.Krawietz, M.Lazdunski, L.G.Lelievre, H.Lül lmann, P.Mansicr, E.Noack, D.Noble, D.Palm, Th.Peters, H.-H.Pri l lwitz , J.F.Renaud, B.Rossi, J . A . M . Schevers, T...
Parasites belonging to Leishmania braziliensis, Leishmania donovani, Leishmania mexicana complexes and Trypanosoma cruzi (clones 20 and 39) were searched in blood, lesions and strains collected from 28 patients with active cutaneous leishmaniasis and one patient with visceral leishmaniasis. PCR-hybridization with specific probes of Leishmania complexes (L. braziliensis, L. donovani and L. mexic...
Distribution of the vector species is a major risk factor for the endemicity of leishmaniasis. In the present study, the vertical distribution of Lutzomyia (Lu.) ayacuchensis, the vector of Leishmania (Leishmania) mexicana in the Ecuadorian Andes, was surveyed at different altitudes (300-2500m above sea level) of the Andean slope. The vector species Lu. ayacuchensis was identified at an altitud...
Leishmaniasis is an infectious disease caused by Leishmania species. Leishmania amazonensis is a New World Leishmania species belonging to the Mexicana complex, which is able to cause all types of leishmaniasis infections. The L. amazonensis reference strain MHOM/BR/1973/M2269 was sequenced identifying 8,802 codifying sequences (CDS), most of them of hypothetical function. Comparative analysis ...
We detected a new outbreak focus with high incidence of cutaneous leishmaniasis in the Sub Andean region of La Paz. This area was never considered previously as an endemic zone of leishmaniasis. Leishmania stocks from human lesions were isolated: three stocks were explored by pulse field gradient electrophoresis, showing evidence for their affiliation to the L. mexicana complex. Eight stocks we...
In a survey of entomopathogenic nematodes in Brazil, a nematode isolate of the genus Heterorhabditis was found. The nematode was collected from soil by the insect-baiting technique and maintained in the laboratory on last instar Galleria mellonella (L.) larvae. Morphological and molecular studies of the isolate showed that the nematode is a new species. Light and scanning electron microscopy, D...
Leishmania mexicana mutants lacking cysteine proteinase genes cpa (delta cpa), cpb (delta cpb), or both cpa and cpb (delta cpa/cpb) have been generated by targeted gene disruption. Delta cpa mutants produce a disease phenotype in BALB/c mice close to that of wild-type L. mexicana, but delta cpb mutants are much less infective, producing very slowly growing small lesions, and delta cpa/cpb doubl...
BACKGROUND AND AIMS Recent research on the history of Platanus reveals that hybridization phenomena occurred in the central American species. This study has two goals: to help resolve the evolutive puzzle of central American Platanus, and to test the potential of real-time polymerase chain reaction (PCR) for detecting ancient hybridization. METHODS Sequencing of a uniparental plastid DNA mark...
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