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Article

Variants of astA gene among extra-intestinal Escherichia coli of human and avian origin.

FEMS microbiology letters - 1 Mar 2017

Maluta Renato Pariz, Leite Janaína Luisa, Rojas Thaís Cabrera Galvão, Scaletsky Isabel Cristina Affonso, Guastalli Elisabete Aparecida Lopes, Ramos Marcelo de Carvalho, Dias da Silveira Wanderley

Abstract excerpt

Many Escherichia coli strains harbour astA, which is the gene encoding the enteroaggregative E. coli heat-stable enterotoxin (EAST1). This gene is embedded in a putative transposase (ORF1) and presents polymorphism in diarrheagenic strains. Although astA and orf1 are detected in extraintestinal strains, little is known about polymorphism and differential gene transcription in this pathotype. In the present work,...

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PMID: 27993929
DOI: 10.1093/femsle/fnw285

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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