L-Dihydroxyphenylalanine induces melanin production by members of the genus Trichosporon

Maria Helena Galdino Figueiredo-Carvalho, Fábio B. dos Santos, Joshua D. Nosanchuk, Rosely M. Zancope-Oliveira, Rodrigo Almeida-Paes

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Melanization of members of the genus Trichosporon is poorly described. In this study, six strains, including two clinical isolates, from four different species (Trichosporon asahii, T. asteroides, T. inkin, and T. mucoides) were grown in culture media with or without L-dihydroxyphenylalanine (L-DOPA). Each strain produced a brownish pigment compatible with melanin when cultured in presence of L-DOPA, suggesting that these species are able to produce eumelanin. L-tyrosine was not able to elicit any type of pigment production on cultures. As eumelanin is produced by several fungi during parasitism, this pigment may contribute to Trichosporon virulence.

Original languageEnglish (US)
Pages (from-to)988-991
Number of pages4
JournalFEMS Yeast Research
Volume14
Issue number6
DOIs
StatePublished - 2014

Fingerprint

Trichosporon
Dihydroxyphenylalanine
Melanins
Virulence
Tyrosine
Culture Media
Fungi
eumelanin

Keywords

  • L-DOPA
  • Melanin
  • Trichosporon

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Microbiology
  • Medicine(all)

Cite this

Figueiredo-Carvalho, M. H. G., dos Santos, F. B., Nosanchuk, J. D., Zancope-Oliveira, R. M., & Almeida-Paes, R. (2014). L-Dihydroxyphenylalanine induces melanin production by members of the genus Trichosporon. FEMS Yeast Research, 14(6), 988-991. https://doi.org/10.1111/1567-1364.12174

L-Dihydroxyphenylalanine induces melanin production by members of the genus Trichosporon. / Figueiredo-Carvalho, Maria Helena Galdino; dos Santos, Fábio B.; Nosanchuk, Joshua D.; Zancope-Oliveira, Rosely M.; Almeida-Paes, Rodrigo.

In: FEMS Yeast Research, Vol. 14, No. 6, 2014, p. 988-991.

Research output: Contribution to journalArticle

Figueiredo-Carvalho, MHG, dos Santos, FB, Nosanchuk, JD, Zancope-Oliveira, RM & Almeida-Paes, R 2014, 'L-Dihydroxyphenylalanine induces melanin production by members of the genus Trichosporon', FEMS Yeast Research, vol. 14, no. 6, pp. 988-991. https://doi.org/10.1111/1567-1364.12174
Figueiredo-Carvalho, Maria Helena Galdino ; dos Santos, Fábio B. ; Nosanchuk, Joshua D. ; Zancope-Oliveira, Rosely M. ; Almeida-Paes, Rodrigo. / L-Dihydroxyphenylalanine induces melanin production by members of the genus Trichosporon. In: FEMS Yeast Research. 2014 ; Vol. 14, No. 6. pp. 988-991.
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