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Mycobacterium parmense sp. nov.

¹ Sezione di Microbiologia, Dipartimento di Patologia e Medicina di Laboratorio, Università degli Studi di Parma, 43100 Parma, Italy
² Laboratorio di Microbiologia e Virologia, Ospedale di Careggi, 50139 Florence, Italy
³ Mayo Clinic and Mayo Foundation, Division of Clinical Microbiology, Rochester, MN 55905, USA
⁴ Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, 38124 Braunschweig, Germany
⁵ Dipartimento Materno–Infantile, Reparto di Pediatria e Oncoematologia, Azienda Ospedaliera di Parma, 43100 Parma, Italy

Correspondence
Franco Fanti
micromed{at}unipr.it

The isolation and identification of a novel, slow-growing, scotochromogenic, mycobacterial species is reported. A strain, designated MUP 1182^T, was isolated from a cervical lymph node of a 3-year-old child. MUP 1182^T is alcohol- and acid-fast, with a lipid pattern that is consistent with those of species that belong to the genus Mycobacterium. It grows slowly at 25–37 °C, but does not grow at 42 °C. The isolate was revealed to be biochemically distinct from previously described mycobacterial species: it has urease and Tween hydrolysis activities and lacks nitrate reductase, 3-day arylsulfatase and -glucosidase activities. Comparative 16S rDNA sequencing showed that isolate MUP 1182^T represents a novel, slow-growing species that is related closely to Mycobacterium lentiflavum and Mycobacterium simiae. On the basis of these findings, the name Mycobacterium parmense sp. nov. is proposed, with MUP 1182^T (=CIP 107385^T=DSM 44553^T) as the type strain.

The GenBank/EMBL/DDBJ accession number for the 16S rDNA sequence of strain MUP 1182^T is AF466821.

Supplementary material showing the sequence alignment, fatty acid content and mycolic acid pattern of strain MUP 1182^T is available in IJSEM Online.

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