Single-nucleotide polymorphism in a local population of Trichophyton rubrum

Med Mycol. 2018 Jan 1;56(1):125-128. doi: 10.1093/mmy/myx009.

Abstract

Trichophyton rubrum is an important causative agent of superficial mycoses worldwide. To uncover a genetic composition of a local population of this fungus, we sequenced A7C99_6411 and A7C99_6714 loci, coding for hypothetical proteins and revealed two complex genotypes, differing by a single missense mutation in each locus. One of the two A7C99_6411/6714 genotypes was not found in tinea pedis cases and demonstrated mostly longer TRS-1 elements when compared to another genotype. Thus, we present a description of nucleotide polymorphism in protein-coding loci in T. rubrum and provide evidence for ecological preferences of T. rubrum genotypes at a local scale.

Keywords: NTS typing; SNP; dermatophyte; epidemiology; tinea pedis.

MeSH terms

  • DNA, Fungal / chemistry
  • DNA, Fungal / genetics
  • Genetic Loci
  • Genotype*
  • Humans
  • Polymorphism, Single Nucleotide*
  • Sequence Analysis, DNA
  • Tinea / microbiology
  • Trichophyton / classification*
  • Trichophyton / genetics*
  • Trichophyton / isolation & purification

Substances

  • DNA, Fungal