Enterococcus infantis sp. nov., isolated from the faeces of an infant with atopic dermatitis.

Authors

Chin-Kan Chan, Li-Jyun Tsai, Misa Otoguro, Fujitoshi Yanagida, Yun-Shien Lee, Hui-Chung Wu, Yu-Chung Chang, Yi-Sheng Chen

Published in

International journal of systematic and evolutionary microbiology. Volume 75. Issue 10.

Abstract

A Gram-positive, coccal-shaped organism, designated AD013-P3^T, was isolated from the stool specimen of a 10-month-old male infant with atopic dermatitis (AD). The phylogenetic analysis based on 16S rRNA gene sequences showed that strain AD013-P3^T was most closely related to Enterococcus diestrammenae (98.7%) and Enterococcus asini (97.8%). Genomic comparisons using pairwise average nucleotide identity and digital DNA-DNA hybridization analyses between strain AD013-P3^T and E. diestrammenae JCM 18359^T resulted in values of 75.4-80.4% and 22.1%, respectively. The G+C content of the genomic DNA of strain AD013-P3^T was 43.5 mol%. Strain AD013-P3^T is distinguishable from other established Enterococcus species both phylogenetically and phenotypically. Based on the data presented, strain AD013-P3^T represents a novel species of the genus Enterococcus, for which the name Enterococcus infantis sp. nov. is proposed. The type strain is AD013-P3^T (=NBRC 117136^T=BCRC 81462^T).

PMID:
41134294
Bibliographic data and abstract were imported from PubMed on 24 Oct 2025.

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