1887

Abstract

Fourteen mycobacterial strains isolated from pulmonary samples of independent patients in the state of Pará (Brazil), and three strains isolated in Italy, were characterized using a polyphasic approach. Thorough genetic investigation, including whole-genome sequencing, demonstrated that the strains belong to the complex, being most closely related to . For 14 of the strains, evidence emerged supporting their inclusion in a previously unreported species of the genus , for which the name sp. nov. is proposed (type strain, IEC26 = DSM 46749 = CCUG 66121). The novel species is characterized by slow growth, unpigmented or pale yellow scotochromogenic colonies, and a HPLC mycolic acid profile different from other known mycobacteria. In different genetic regions, high sequence microheterogeneity was detected.

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2015-02-01
2020-09-27
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