Genome Analysis of Nicotinamide Adenine Dinucleotide-Independent Mycoplasma synoviae Isolates from Korea

Yongjun Song,Tae-Min La,Taesoo Kim,Gyuhee Ahn,W. Hur,Hong-Jae Lee,H. Shin,S. Song,E. Park,Joong-Bok Lee,Seung-Yong Park,I. Choi,Sang-Won Lee

Published 2021 in Pathogens

ABSTRACT

Mycoplasma synoviae (MS) is an avian pathogen that causes respiratory disease, infectious synovitis, and eggshell apex abnormalities in chickens. Nicotinamide adenine dinucleotide (NAD)-independent MS was first reported in 1975. Despite the atypical traits of NAD-independent MS, its independence from NAD has not been studied. In this study, we isolated five NAD-independent strains from Korea and assembled their genomes using sequencing reads obtained from Illumina and Oxford Nanopore Technology platforms. The assembled genomes were compared with the genomes of MS-H vaccine strain and type strain WVU1853. We found that the coding sequences of nicotinate phosphoribosyltransferase and glycerol-3-phosphate acyltransferase, and a unique coding sequence were present only in the genomes of NAD-independent isolates.

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