Isolation and characterization of a new fungal genus and species, Aphanoascella galapagosensis, from carapace keratitis of a Galapagos tortoise (Chelonoidis nigra microphyes)

D. A. Sutton, Y. Marín, E. H. Thompson, Brian L Wickes, J. Fu, D. García, A. Swinford, T. De Maar, J. Guarro

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A new fungal genus and species, Aphanoascella galapagosensis, recovered from carapace keratitis in a Galapagos tortoise residing in a south Texas zoological collection, is characterized and described. The presence of a pale peridium composed of textura epidermoidea surrounded by scarce Hülle cell-like chlamydospores, and the characteristic reticulate ascospores with an equatorial rim separates it from other genera within the Onygenales. The phylogenetic tree inferred from the analysis of D1/D2 sequences demonstrates that this fungus represents a new lineage within that order. As D1/D2 and ITS sequence data also shows a further separation of Aphanoascus spp. into two monophyletic groups, we propose to retain the generic name Keratinophyton for species whose ascospores are pitted and display a conspicuous equatorial rim, and thereby propose new combinations in this genus for four Aphanoascus species.

Original languageEnglish (US)
Pages (from-to)113-120
Number of pages8
JournalMedical Mycology
Volume51
Issue number2
DOIs
StatePublished - Feb 2013

Fingerprint

Animal Shells
Onygenales
keratitis
Turtles
Keratitis
ascospores
Names
Fungi
chlamydospores
new combination
fungi
phylogeny
cells
Chelonoidis nigra

Keywords

  • Aphanoascella
  • Aphanoascella galapagosensis
  • Galapagos tortoise
  • Keratinophyton
  • Onygenales

ASJC Scopus subject areas

  • veterinary(all)
  • Infectious Diseases

Cite this

Isolation and characterization of a new fungal genus and species, Aphanoascella galapagosensis, from carapace keratitis of a Galapagos tortoise (Chelonoidis nigra microphyes). / Sutton, D. A.; Marín, Y.; Thompson, E. H.; Wickes, Brian L; Fu, J.; García, D.; Swinford, A.; De Maar, T.; Guarro, J.

In: Medical Mycology, Vol. 51, No. 2, 02.2013, p. 113-120.

Research output: Contribution to journalArticle

Sutton, D. A. ; Marín, Y. ; Thompson, E. H. ; Wickes, Brian L ; Fu, J. ; García, D. ; Swinford, A. ; De Maar, T. ; Guarro, J. / Isolation and characterization of a new fungal genus and species, Aphanoascella galapagosensis, from carapace keratitis of a Galapagos tortoise (Chelonoidis nigra microphyes). In: Medical Mycology. 2013 ; Vol. 51, No. 2. pp. 113-120.
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