In Vivo Insertional Mutagenesis in Corynebacterium pseudotuberculosis : an Efficient Means To Identify DNA Sequences Encoding Exported Proteins

Author:

Dorella Fernanda A.1,Estevam Estela M.1,Pacheco Luis G. C.1,Guimarães Cláudia T.2,Lana Ubiraci G. P.2,Gomes Eliane A.2,Barsante Michele M.3,Oliveira Sérgio C.3,Meyer Roberto4,Miyoshi Anderson1,Azevedo Vasco1

Affiliation:

1. Laboratório de Genética Celular e Molecular

2. Núcleo de Biologia Aplicada, Empresa Brasileira de Pesquisa Agropecuária, Sete Lagoas, Minas Gerais

3. Laboratório de Imunologia de Doenças Infecciosas, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte

4. Instituto de Ciências da Saúde, Vale do Canela, Salvador, Bahia, Brazil

Abstract

ABSTRACT The reporter transposon-based system TnFuZ was used to identify exported proteins of the animal pathogen Corynebacterium pseudotuberculosis . Thirty-four out of 1,500 mutants had detectable alkaline phosphatase (PhoZ) activity. This activity was from 21 C. pseudotuberculosis loci that code for fimbrial and transport subunits and for hypothetical and unknown-function proteins.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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