Pseudochaetosphaeronema larense
Pseudochaetosphaeronema larense (Borelli & R. Zamora) Punith., Nova Hedwigia 31(1-3): 127 (1979).
≡ Cladosporium strumelloideum Milko & Dunaev, Nov. sist. Niz. Rast. 23: 134 (1986).
Index Fungorum number: IF 321757; Facesoffungi number: FoF 11595, Fig. 1
Description: see Ahmed et al. (2014).
Material considered: see Ahmed et al. (2014).
Fig. 1 Pseudochaetosphaeronema larense (CBS 640.73, re-drawn from Fig. 7 in Ahmed et al. 2014). a Colony on MEA. b Pycnidia. c Conidiophores. d Conidia. Scale bars: b = 10 μm, c, d = 5 μm.
Importance and distribution
Species of Pseudochaetosphaeronema are fungal pathogen responsible for black-grain mycetomas (Fraser et al. 2017). Some species are endophytic (Zhang et al. 2016). Pseudochaetosphaeronema larense causes black-grain eumycetoma (Borelli et al. 1976) while P. martinelli is the causal agent of phaeohyphomycosis (Ahmed et al. 2015). Pseudochaetosphaeronema comprises five species known on decaying twig of Cerasus pseudocerasus (Rosaceae) from Asia (China), from a human foot in South America (Venezuela), from subcutaneous nodule of sapiens human in Caribbean (Martinique), on dead leaves of Pandanus (Pandanaceae) and on fallen pod of Tamarindus (Fabaceae) in Asia (Thailand).
References
Ahmed SA, Desbois N, Quist D, Miossec C et al. 2015 – Phaeohyphomycosis caused by a novel species, Pseudochaetosphaeronema martinelli. Journal of Clinical Microbiology 53, 2927–2934.
Ahmed SA, van de Sande WWJ, Stevens DA, Fahal A et al. 2014 – Revision of agents of blackgrain eumycetoma in the order Pleosporales. Persoonia 33, 141–154.
Borelli D, Zamora R, Senabre G. 1976 – Chaetosphaeronema Larense nova species agente de micetoma. Gaceta Med Caracas 84, 307–318.
Fraser M, Borman AM, Johnson EM. 2017 – Rapid and Robust Identification of the Agents of Black-Grain Mycetoma by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry. Journal of Clinical Microbiology 55, 2521–2528. doi: 10.1128/JCM.00417-17.
Zhang T, Deng X, Yu Y, Zhang M, Zhang Y. 2016 – Pseudochaetosphaeronema ginkgonis sp. nov., an endophyte isolated from Ginkgo biloba. International Journal of Systematic and Evolutionary Microbiology 66, 4377–4381. doi: 10.1099/ijsem.0.001359.
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