(Below N is a link to NCBI taxonomic web page and E link to ESTHER at designed phylum.) > cellular organisms: NE > Eukaryota: NE > Euglenozoa: NE > Kinetoplastida: NE > Trypanosomatidae: NE > Leishmaniinae: NE > Leishmania [genus]: NE > Leishmania [subgenus]: NE > Leishmania major species complex: NE > Leishmania major: NE
Warning: This entry is a compilation of different species or line or strain with more than 90% amino acid identity. You can retrieve all strain data
(Below N is a link to NCBI taxonomic web page and E link to ESTHER at designed phylum.) Leishmania infantum: N, E.
Leishmania major strain Friedlin: N, E.
LegendThis sequence has been compared to family alignement (MSA) red => minority aminoacid blue => majority aminoacid color intensity => conservation rate title => sequence position(MSA position)aminoacid rate Catalytic site Catalytic site in the MSA MSTTLPLSSEVVETSVPPTRKSNTSPALSSQARDILGDFEDKFIEVGTCA STGKRVTICYNTFGDPSNPCLLLVQGLGNSLLGYSLRFVQLFVDQGYYVI RYDNRDAGLSTQFDDFDPPALIRLSLPQWMSIRERQPYVLNDIMEDGMGL LTALNIRQAHVFGMSMGGMIVQLMAIRYPERVLSLNVLFSHAGGADVVNP SLLQYARFLVKPRSNSAEDRATHMAWFIDYLSQGAYKNNLEKVKKYILST YERNGVGNDRGMQRQAAAAMRAPSRAKGLRKVICPTLILHGTKDPVIPVA NGYRLADLVPNAKLVIFPRLGHDLPVELMKPIADEVLLNMSLVKPS
Leishmania parasites cause a broad spectrum of clinical disease. Here we report the sequencing of the genomes of two species of Leishmania: Leishmania infantum and Leishmania braziliensis. The comparison of these sequences with the published genome of Leishmania major reveals marked conservation of synteny and identifies only approximately 200 genes with a differential distribution between the three species. L. braziliensis, contrary to Leishmania species examined so far, possesses components of a putative RNA-mediated interference pathway, telomere-associated transposable elements and spliced leader-associated SLACS retrotransposons. We show that pseudogene formation and gene loss are the principal forces shaping the different genomes. Genes that are differentially distributed between the species encode proteins implicated in host-pathogen interactions and parasite survival in the macrophage.
Leishmania species cause a spectrum of human diseases in tropical and subtropical regions of the world. We have sequenced the 36 chromosomes of the 32.8-megabase haploid genome of Leishmania major (Friedlin strain) and predict 911 RNA genes, 39 pseudogenes, and 8272 protein-coding genes, of which 36% can be ascribed a putative function. These include genes involved in host-pathogen interactions, such as proteolytic enzymes, and extensive machinery for synthesis of complex surface glycoconjugates. The organization of protein-coding genes into long, strand-specific, polycistronic clusters and lack of general transcription factors in the L. major, Trypanosoma brucei, and Trypanosoma cruzi (Tritryp) genomes suggest that the mechanisms regulating RNA polymerase II-directed transcription are distinct from those operating in other eukaryotes, although the trypanosomatids appear capable of chromatin remodeling. Abundant RNA-binding proteins are encoded in the Tritryp genomes, consistent with active posttranscriptional regulation of gene expression.