Case Study: Chromoblastomycosis

Bobba, Sangeetha

doi:10.4172/2329-891x.1000143

Cited by 1 publication

(2 citation statements)

References 8 publications

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“…floridana (Obase et al . 2015 ). Cladophialophora rhizosphaerae forms long acropetal conidial chains that are mostly unbranched and arise terminally or laterally.…”

Section: Taxonomymentioning

confidence: 99%

“…Black yeast-like fungi are melanized and belong to the orders Dothideales and Chaetothyriales (de Hoog et al 2000 ). The most important family, Herpotrichiellaceae ( Chaetothyriales ) comprises environmental species (Vicente et al 2014 ; Nascimento et al 2017 ) of which a large number are able to cause severe opportunistic infections in humans (De Azevedo et al 2015 ). Chromoblastomycosis, phaeohyphomycosis (Queiroz-Telles et al 2017 ; Revankar et al 2017 ), and primary brain infection (Horré & de Hoog 1999 ) are particularly significant.…”

Section: Introductionmentioning

confidence: 99%

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Sugarcane: an unexpected habitat for black yeasts in Chaetothyriales

Costa,

Souza,

Voidaleski

et al. 2023

IMA Fungus

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Sugarcane (Saccharum officinarum, Poaceae) is cultivated on a large scale in (sub)tropical regions such as Brazil and has considerable economic value for sugar and biofuel production. The plant is a rich substrate for endo- and epiphytic fungi. Black yeasts in the family Herpotrichiellaceae (Chaetothyriales) are colonizers of human-dominated habitats, particularly those rich in toxins and hydrocarbon pollutants, and may cause severe infections in susceptible human hosts. The present study assessed the diversity of Herpotrichiellaceae associated with sugarcane, using in silico identification and selective isolation. Using metagenomics, we identified 5833 fungal sequences, while 639 black yeast-like isolates were recovered in vitro. In both strategies, the latter fungi were identified as members of the genera Cladophialophora, Exophiala, and Rhinocladiella (Herpotrichiellaceae), Cyphellophora (Cyphellophoraceae), and Knufia (Trichomeriaceae). In addition, we discovered new species of Cladophialophora and Exophiala from sugarcane and its rhizosphere. The first environmental isolation of Cladophialophora bantiana is particularly noteworthy, because this species up to now is exclusively known from the human host where it mostly causes fatal brain disease in otherwise healthy patients.

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“…floridana (Obase et al . 2015 ). Cladophialophora rhizosphaerae forms long acropetal conidial chains that are mostly unbranched and arise terminally or laterally.…”

Section: Taxonomymentioning

confidence: 99%