RRC ID 75249
Author Li Z, Li Y, Li S, Li Z, Mai Y, Cheng J, Su D, Zhan Y, Zhong N, Ye F.
Title Identification of a novel drug-resistant community-acquired Nocardia spp. in a patient with bronchiectasis.
Journal Emerg Microbes Infect
Abstract A previously unknown Nocardia species was isolated from the lung tissue and bronchoalveolar lavage fluid (BALF) of a 58-year-old woman with bronchiectasis and recurrent pneumonia. This Nocardia (GZ2020T), which grew readily in Columbia blood agar and could induce pneumonia in a mouse model, represents a novel Nocardia species, and its closest known relatives are Nocardia anaemiae NBRC 100462T, Nocardia pseudovaccinii NBRC 100343T and Nocardia vinacea NBRC 16497T. However, unlike all previously known species, GZ2020T is the first genus of Nocardia spp. that is not susceptible to multiple drugs but does show susceptibility to linezolid and moxifloxacin, and thus, GZ2020T potentially represents a substantial health threat to patients with bronchiectasis and immunocompromised individuals. Although the original pathogen source and method of spreading remain uncertain, a mode of transmission from the environment to humans could exist. Vigilance with respect to its spread in the population and the transmission of antibiotic resistance genes in the environment should be maintained.
Volume 11(1)
Pages 1346-1355
Published 2022-12-1
DOI 10.1080/22221751.2022.2069514
PMID 35450515
PMC PMC9132467
MeSH Animals Bronchiectasis* / epidemiology Humans Immunocompromised Host Mice Nocardia* / genetics Nocardia Infections* / drug therapy Nocardia Infections* / epidemiology Pneumonia*
Resource
General Microbes JCM 34519