Year: 1959
Type: article
Abstract: Trabajo de la Cátedra de Microbiología y Parasitología (Prof. Dr. Leopoldo Briceño Iragorri) del Instituto deMedicina Tropical (Director: Dr. Félix Pifano), de la Escuela de Medicina, Universidad Central de Venezuela, Caracas.ABSTRACTFrom a black grained mycetoma pedis in a male labourer (all life resident of Paraguanapeninsula, in the Northern part of Venezuela) a mold has been repeatedly isolated in pureculture, which appear to be the type of a new species, to which the name has beenassigned of Pyrenochaeta romeroi. English translation of Latin diagnosis follows:Grains in mycetoma are black, soft, tubular, enrolled, 0,5 to 1,5 mm. in diameter.Colonies are woolly, grey-dark, rapidly growing, with whitish periphery and black reverse.Optimal growth temperature aprox. at 309C; maximal growth temperature: somewhat below389C.Pycnidia are superficial, solitary or grouped, ostiolated, externally brown-black, internallysubhyaline, 50-165 x 40-100 M, big, everywhere surrounded with brown, straight or flexuous,septated setae with round extremities. Pycnoconidia are subhyaline, ellipsoid, continuous,1,5-2 x 0,75-1 1L big, yellow and catenulated when in a mass, produced on the tips of thin,simple, hyaline, hardly visible conidiophores.Source: a mycetoma of a foot, secondary to a wound produced by a thorn of Palitoblanco tree (Machaonia ottonis Urban).
Source: Dermatología Venezolana
Author: Dante Borelli
Language: Italian
Subfield: Microbiology (medical)
Field: Medicine
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W1865654250