Preprint Article Version 1 This version is not peer-reviewed

Identification of Cryptic Species of Four Candida Complexes in a Culture Collection

Version 1 : Received: 23 November 2019 / Approved: 24 November 2019 / Online: 24 November 2019 (16:05:45 CET)

How to cite: Fontecha, G.; Montes, K.; Ortiz, B.; Galindo, C.; Braham, S. Identification of Cryptic Species of Four Candida Complexes in a Culture Collection. Preprints 2019, 2019110293 (doi: 10.20944/preprints201911.0293.v1). Fontecha, G.; Montes, K.; Ortiz, B.; Galindo, C.; Braham, S. Identification of Cryptic Species of Four Candida Complexes in a Culture Collection. Preprints 2019, 2019110293 (doi: 10.20944/preprints201911.0293.v1).

Abstract

Candida spp. are the most common cause of fungal infections worldwide. The taxonomy of Candida is controversial and has undergone recent changes due to novel genetically related species. Therefore, some complexes of cryptic species have been proposed. In clinical settings, the correct identification of Candida species is relevant since some species are associated with high resistance to antifungal drugs and increased virulence. This study aimed to identify the species of four Candida complexes (C. albicans, C. glabrata, C. parapsilosis, and C. haemulonii) by molecular methods. This is the first report of six cryptic Candida species in Honduras: C. dubliniensis, C. africana, C. duobushaemulonii, C. orthopsilosis, and C. metapsilosis, and it is also the first report of the allele hwp1-2 of C. albicans sensu stricto. It was not possible to demonstrate the existence of C. auris among the isolates of the C. haemulonii complex. We also propose a simple method based on PCR-RFLP for the discrimination of the multi-resistant pathogen C. auris within the C. haemulonii complex.

Subject Areas

Candida spp; cryptic species; Honduras; PCR-RFLP; hwp1 gene; gpi gene; C. auris

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