Mycoplasma sualvi

(Gourlay et al., 1983)

Etymology

Gr. n. mukes – fungus, Gr. neut. n. plasma – anything formed, N.L. neut. n. Mycoplasma – fungus form; L. n. sus – swine, L. n. alvus – bowel, N.L. gen. n. sualvi – of the bowel of a swine

Taxonomy

Mycoplasmatales – Mycoplasmataceae – Mycoplasma – Mycoplasma sualvi (not part of a cluster), related to Mycoplasma moatsii (16S rRNA gene sequence similarity – 96.82%) (Fig. 1)

Type strain

Mayfield clone B^T (swine, UK, ≤1976), (Fig. 2, 16S rRNA gene sequence)

Genomes

no genome published (per 11/05/2024)

Cell morphology

flask- or club-shaped

Colony morphology

fried egg morphology (Fig. 3)

Metabolism

fermentation of glucose and hydrolysis of arginine; non-urea-hydrolyzing

Host

swine

Habitat

intestinal tract, urogenital tract

Disease(s)

unknown, no disease reported

Pathogenicity

factors unknown

Epidemiology

unknown, once isolated from swine

Diagnosis

cultivation and species identification by MALDI-ToF MS, serology or genetically

Fig. 1. Maximum likelihood tree showing the phylogenetic position of Mycoplasma sualvi Mayfield (clone B)^T between the Bovis and Hyopneumoniae cluster of Mycoplasmataceae based on 16S rRNA gene sequences. Numbers at nodes represent bootstrap confidence values (1000 replications). Only values > 80% are shown. Bar, number of substitutions per nucleotide position. Credits: Joachim Spergser (Vetmeduni Vienna)

>Mycoplasma sualvi Mayfield clone B^T

CTTGCTGTGTGCCTAATACATGCATGTTGAGCGAGGTCTTTATGGCCTAGCAGCGAATGGGTGAGTAACACGTACCTAACCTACCTTTTAGATTGGGATAACTGTTGGAAACAATAGCTAATACCGAATACGTATTGAGATCGCATGATTTTTTTATAAAAGGGGCGTTTGCCTCACTAAAAGATGGGGGTGCGGCATATTAGCTAGTTGGTAGGGTAATGGCCTACCAAGGCAATGATATGTAGCCGGACTGAGAAGTTGATCGGCCACACTGGGACTGAGATACGGCCCAGACTCCTACGGGAGGCAGCAGTAGGGAATTTTCCGCAATGAGCGAAAGCTTGACGGAGCGACACAGCGTGCAGGATGAAGGTCTTCGGATTGTAAACTGCTGTTGTAAGGGAAGAAAAAATTTAATAGGAAATGATTAAATCTTGACGGTACCTTATTAGAAAGTGACGGCTAACTATGTGCCAGCAGCCGCGGTAATACATAGGTCACAAGCGTTATCCGGAATTATTGGGCGTAAAGAGTTTGTAGGCGGTTTATCAAGTCTAGAGTTAAAGCCTGAGGCTCAACCTCAGTCCGCTCTGGATACTGGTTAACTAGAGTTATATAGAGGTAAACGGAATTCTTAGTGAAGCGGTGGAATGCGTAGATATTAGGAAGAACACCAACGGCGAAGGCAGTTTACTGGATATACACTGACGCTCAAGAACGAAAGCGTGGGGAGCAAACAGGATTAGATACCCTGGTAGTCCACGCCGTAAACGATGATCATTAGTCGCTAGGGAACTTAGTGACGCAGCTAACGCATTAAATGATCCGCCTGAGTAGTATGCTCGCAAGAGTGAAACTTAAAGGAATTGACGGGGACCCGCACAAGCGGTGGAGCATGTGGTTTAATTTGATGTTACGCGTAGAACCTTACCCACTCTTGACATCTTCTGCAAAGCTATAGAGATATAGTGGAGGTTAACAGAATGACAGATGGTGCATGGTTGTCGTCAGCTCGTGCCGTGAGGTGTTTGGTTAAGTCCAGCAACGAGCGCAACCCTTGTCTTTAGTTACTAACATTTAGTTGAGGACTCTAGAGAAACTGCCTGGGTAACCAGGAGGAAGGTGAGGACGACGTCAAACCATCATGCCTCTTACGAGTGGGGCAACACACGTGCTACAATGGTTGGTACAAAGAGAAGCAATATGGTGACATGGAGCAAATCTCAAAAAACCAATCTCAGTTCGGATTGAAGTCTGCAACTCGACTTCATGAAGTCGGAATCGCTAGTAATCGTAGATCAGCTACGCTACGGTGAATACGTTCTCGGGTCTTGTACACACCGCCCGTCACACCATGAGAGTTGATAATACCCAAAGACGGCTAGTTAACCTCGGAGACGGTTGTCTAAGGTAGGATCGATGACTGGGGTGAAGTCGTAACAAGGT

Fig. 2. 16S rRNA gene sequence of Mycoplasma sualvi Mayfield clone B^T(Accession number: NR_041846)

Fig. 3. Colonies of Mycoplasma sualvi Mayfield clone B^T on modified SP-4 agar after 5 days of incubation exhibiting fried egg morphology. Bar, 1 mm. Credits: Joachim Spergser (Vetmeduni Vienna)

Species assigned by: Gourlay, R.N., Wyld, S.G., Leach, R.H. 1978. Mycoplasma sualvi, a new species from the intestinal and urogenital tracts of pigs. Int. J. Syst. Bacteriol. 28: 289-292.