نتایج جستجو برای: leishmania tarentolae
تعداد نتایج: 13657 فیلتر نتایج به سال:
Leishmaniasis is a disease that is a significant problem for people, especially in tropical regions of the world. Current drug therapies to treat the disease are expensive, not very effective, and/or of significant side effects. A series of alkyl bisphosphonate compounds and one amino bisphosphonate compound, as well as alendronate and zoledronate, were tested as potential agents against Leishm...
P-glycoproteins are responsible for multidrug resistance in tumor cell lines and are thought to have a physiologic role in exporting cellular metabolites. We now report that a P-glycoprotein gene in the H region of the trypanosomatid protozoan Leishmania confers resistance to heavy metals when present in multiple copies. The Leishmania H region is frequently amplified in drug-resistant lines an...
Mitochondrial protein import (MPI) is essential for the biogenesis of mitochondria in all eukaryotes. Current models of MPI are predominantly based on experiments with one group of eukaryotes, the opisthokonts. Although fascinating genome database-driven hypotheses on the evolution of the MPI machineries have been published, previous experimental research on non-opisthokonts usually focused on ...
We have identified telomerase activity in extracts of three evolutionarily diverse kinetoplastid species: Trypanosoma brucei, Leishmania major, and Leishmania tarentolae. Telomerase activity was initially detected in extracts from insect form cells of all three kinetoplastid species by using a modification of the one-tube telomere repeat amplification protocol [Kim, N., et al. (1994) Science 26...
BACKGROUND In recent years the generation of antibodies by recombinant methods, such as phage display technology, has increased the speed by which antibodies can be obtained. However, in some cases when recombinant antibodies have to be validated, expression in E. coli can be problematic. This primarily occurs when codon usage or protein folding of specific antibody fragments is incompatible wi...
The trypanosomatid protozoan Leishmania tarentolae has been extensively used as a model system for studying causative agents of several tropical diseases and more recently as a host for recombinant protein production. Here we analyze the rates of partial or complete deletions of expression cassettes integrated into small ribosomal RNA and tubulin gene clusters as well as into ornithine decarbox...
We report a cost efficient approach for amino-acid-type selective isotope labeling of proteins expressed in Leishmania tarentolae. The method provides an economically advantageous alternative to recently established protocol for isotopic labeling using expensive synthetic media. The method is based on cultivation of the L. tarentolae expression strain in a cheap complex medium supplemented with...
First characterized in Trypanosoma brucei, the spliced leader-associated (SLA) RNA gene locus has now been isolated from the kinetoplastids Leishmania tarentolae and Trypanosoma cruzi. In addition to the T. brucei SLA RNA, both L. tarentolae and T. cruzi SLA RNA repeat units also yield RNAs of 75 or 76 nucleotides (nt), 92 or 94 nt, and approximately 450 or approximately 350 nt, respectively, e...
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