Phylogeny and evolution of the aspartyl protease family from clinically relevant Candida species
Mem. Inst. Oswaldo Cruz
; 104(3): 505-512, May 2009. ilus
Article
en En
| LILACS
| ID: lil-517023
Biblioteca responsable:
BR1.1
ABSTRACT
Aspartyl proteases are a class of enzymes that include the yeast aspartyl proteases and secreted aspartyl protease (Sap) superfamilies. Several Sap superfamily members have been demonstrated or suggested as virulence factors in opportunistic pathogens of the genus Candida. Candida albicans, Candida tropicalis, Candida dubliniensis and Candida parapsilosis harbour 10, four, eight and three SAP genes, respectively. In this work, genome mining and phylogenetic analyses revealed the presence of new members of the Sap superfamily in C. tropicalis (8), Candida guilliermondii (8), C. parapsilosis(11) and Candida lusitaniae (3). A total of 12 Sap families, containing proteins with at least 50 percent similarity, were discovered in opportunistic, pathogenic Candida spp. In several Sap families, at least two subfamilies or orthologous groups were identified, each defined by > 90 percent sequence similitude, functional similarity and synteny among its members. No new members of previously described Sap families were found in a Candida spp. clinical strain collection; however, the universality of SAPT gene distribution among C. tropicalis strains was demonstrated. In addition, several features of opportunistic pathogenic Candida species, such as gene duplications and inversions, similitude, synteny, putative transcription factor binding sites and genome traits of SAP gene superfamily were described in a molecular evolutionary context.
Palabras clave
Texto completo:
1
Índice:
LILACS
Asunto principal:
Filogenia
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Candida
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Ácido Aspártico Endopeptidasas
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Evolución Molecular
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Asunto de la revista:
MEDICINA TROPICAL
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PARASITOLOGIA
Año:
2009
Tipo del documento:
Article
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Project document