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Curr Microbiol ; 77(5): 762-768, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-31919672

RESUMO

Emcibacter congregatus ZYLT was isolated from a sediment sample cultured in situ in a coast located in the East China Sea. The genome of E. congregatus ZYLT was sequenced and assembled into one single circular chromosome with the size of 4,189,011 bp and G+C content of 52.6%. Genomic annotation showed that E. congregatus ZYLT had an intact Type II-C CRISPR-Cas system consists of three cas genes (cas 9, cas 1, and cas 2), 34 direct repeat sequences with the length of 36 bp, and 33 spacers. The predicted Cas 9 protein was smaller than most of existing genome editing tools. This structure might have potential in developing new gene editing system and uncovering the regulatory mechanisms of CRISPR-Cas system. Besides, the comparison between E. congregatus ZYLT and its relative species living in neritic environments unraveled some common traits of the defective strategies of these bacteria to face inshore challenges including the motility, multidrug resistance, and universal efflux pumps.


Assuntos
Alphaproteobacteria/genética , Sistemas CRISPR-Cas/genética , Genoma Bacteriano , Organismos Aquáticos/genética , Composição de Bases , China , Edição de Genes , Genômica , Sedimentos Geológicos/microbiologia , Filogenia , Análise de Sequência de DNA
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