Base de dados : HANSEN
Pesquisa : EVOLUCAO MOLECULAR [Descritor de assunto]
Referências encontradas : 5 [refinar]
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Id:18506
Autor:Sassetti, Christopher M; Boyd, Dana H; Rubin, Eric J
Título:Genes required for mycobacterial growth defined by high density mutagenesis
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Fonte:s.l; s.n; 2003. 8 p. tab, graf.
Resumo:Despite over a century of research, tuberculosis remains a leading cause of infectious death worldwide. Faced with increasing rates of drug resistance, the identification of genes that are required for the growth of this organism should provide new targets for the design of antimycobacterial agents. Here, we describe the use of transposon site hybridization (TraSH) to comprehensively identify the genes required by the causative agent, Mycobacterium tuberculosis, for optimal growth. These genes include those that can be assigned to essential pathways as well as many of unknown function. The genes important for the growth of M. tuberculosis are largely conserved in the degenerate genome of the leprosy bacillus, Mycobacterium leprae, indicating that non-essential functions have been selectively lost since this bacterium diverged from other mycobacteria. In contrast, a surprisingly high proportion of these genes lack identifiable orthologues in other bacteria, suggesting that the minimal gene set required for survival varies greatly between organisms with different evolutionary histories. (AU).
Descritores:ELEMENTOS DE DNA TRANSPONIVEIS
GENES BACTERIANOS
MUTAGÊNESE
MYCOBACTERIUM LEPRAE/cresc
MYCOBACTERIUM LEPRAE/genet
MYCOBACTERIUM TUBERCULOSIS/cresc
MYCOBACTERIUM TUBERCULOSIS/genet
EVOLUCAO MOLECULAR
Limites:SUPPORT, NON-U.S. GOV'T
SUPPORT, U.S. GOV'T, P.H.S.
Meio Eletrônico: - .
Localização:BR191.1; 09138/s


  2 / 5 HANSEN  
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Id:17405
Autor:Vissa, Varalakshmi D; Brennan, Patrick J
Título:The genome of Mycobacterium leprae: minimal mycobacterial gene set
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Fonte:s.l; s.n; 2001. 8 p. ilus.
Descritores:membrana celular
evolução molecular
genoma bacteriano
mycobacterium leprae
Localização:BR191.1; 08933/s


  3 / 5 HANSEN  
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Id:16214
Autor:Cole, S. T; Eigimeier, K; Parkhill, J; James, K. D; Thomson, N. R; Wheeler, P. R; Honore, N; Garnier, T; Churcher, C; Harris, D; Mungall, K; Basham, D; Brown, D; Chillingworth, T; Connor, R; Davies, R. M; Devlin, K; Duthoy, S; Feltwell, T; Fraser, A; Hamlin, N; Holroyd, S; Hornsby, T; Jagels, K; Lacroix, C; Maclean, J; Moule, S; Murphy, L; Oliver, K; Quail, M. A; Rajandream, M.-A; Rutherford, K. M; Rutter, S; Seeger, K; Simon, S; Simmonds, M; Skelton, J; Squares, S; Stevens, K; Taylor, K; Whitehead, S; Woodward, J. R; Barrell, B. G
Título:Massive gene decay in the leprosy bacillus
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Fonte:s.l; s.n; feb. 2001. 5 p. ilus, tab, graf.
Descritores:TATUS
DNA BACTERIANO
METABOLISMO ENERGÉTICO
EVOLUÇAO MOLECULAR
GENOMA BACTERIANO
HANSENIASE
DADOS DE SEQUENCIA MOLECULAR
GENES REITERADOS
MYCOBACTERIUM LEPRAE
MYCOBACTERIUM LEPRAE
ANALISE DE SEQUENCIA DE DNA
Transferência Genética Horizontal
Limites:ANIMAL
Localização:BR191.1; 08699/s


  4 / 5 HANSEN  
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Id:15465
Autor:Cole, S. T; Eigimeier, K; Parkhill, J; James, K. D; Thomson, N. R; Wheeler, P. R; Honoré, N; Garnier, T; Churcher, C; Harris, D; Mungall, K; Basham, D; Brown, D; Chillingworth, T; Connor, R; Davies, R. M; Devlin, K; Duthoy, S; Feltwell, T; Fraser, A; Hamlin, N; Holroyd, S; Hornsby, T; Jagels, K; Lacroix, C; Maclean, J; Moule, S; Murphy, L; Oliver, K; Quail, M. A; Rajandream, M.-A; Rutherford, K. M; Rutter, S; Seeger, K; Simon, S; Simmonds, M; Skelton, J; Squares, R; Stevens, K; Taylor, K; Whitehead, S; Woodward, J. R; Barrell, B. G
Título:Masssive gene decay in the leprosy bacillus
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Fonte:s.l; s.n; 2001. 5 p. ilus, tab, graf.
Descritores:TATUS
METABOLISMO ENERGÉTICO
DNA BACTERIANO
EVOLUÇAO MOLECULAR
GENOMA BACTERIANO
HANSENIASE
DADOS DE SEQUENCIA MOLECULAR
GENES REITERADOS
MYCOBACTERIUM LEPRAE
MYCOBACTERIUM LEPRAE
ANALISE DE SEQUENCIA DE DNA
Transferência Genética Horizontal
Localização:BR191.1; 08320/s


  5 / 5 HANSEN  
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Id:15043
Autor:Ulrichs, T; Porcelli, S. A
Título:CD1 proteins: targets of T cell recognition in innate and adaptive immunity
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Fonte:s.l; s.n; 2000. 17 p. ilus, tab.
Descritores:FORMAÇAO DE ANTICORPOS
APRESENTAÇAO DO ANTIGENO
ANTIGENOS DE BACTÉRIAS
ANTIGENOS DE BACTÉRIAS
ANTIGENOS CD1
ANTIGENOS CD1
ANTIGENOS CD1
ANTIGENOS CD1
EVOLUÇAO MOLECULAR
GLICOLIPIDIOS
GLICOLIPIDIOS
IMUNIDADE NATURAL
CÉLULAS KILLER NATURAIS
HANSENIASE
LIPIDIOS
LIPIDIOS
COMPLEXO PRINCIPAL DE HISTOCOMPATIBILIDADE
MAMIFEROS
MAMIFEROS
CAMUNDONGOS
MODELOS MOLECULARES
MYCOBACTERIUM
MYCOBACTERIUM
CONFORMAÇAO PROTÉICA
ESTRUTURA TERCIARIA DE PROTEINA
RATOS
RECEPTORES PARA ANTIGENOS DE CÉLULAS T GAMA-DELTA
ESPECIFICIDADE DE ESPÉCIES
SUB-POPULAÇOES DE LINFOCITOS T
TUBERCULOSE
Isoformas de Proteínas/CH/CL/GE/IM
Limites:ANIMAL
Localização:BR191.1; 07486/s



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