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1.
Braz. j. microbiol ; 41(3): 700-706, Oct. 2010. ilus, graf, tab
Article in English | LILACS | ID: lil-549426

ABSTRACT

The aim of this research was the analysis of the possible antagonistic effect of Penicillium oxalicum over the pathogen rice fungus A. alternata under different conditions of temperature, water activity and culture media. The macroscopic study of the dual growth revealed that according to the Index of Dominance P. oxalicum was more competitive that A. alternata at 25ºC whereas at 15ºC was this species. Microscopic analysis showed that P. oxalicum was a mycoparasite of A. alternata at all conditions tested. The antagonist penetrated into A. alternata and disintegrated its conidiophores and conidia. The results suggests that P. oxalicum may be a possible biological control agent of the rice pathogens in a future.


Subject(s)
Alternaria/growth & development , Alternaria/isolation & purification , Oryza , Penicillium/pathogenicity , Food Samples , Methods , Methods , Virulence
2.
Rev. mex. radiol ; 39(1): 11-8, ene.-mar. 1985. tab, ilus
Article in Spanish | LILACS | ID: lil-26677

ABSTRACT

Se presentan nueve casos de tumor de Warthin afectando a la glándula parótida, estudiados desde un punto de vista clínico, radiológico e histopatológico. Se discuten los aspectos más interesantes en el diagnóstico de esta entidad. En todos ellos se practicó sialografía y estudio radioisotópico. El seguimiento medio efectuado fue de dos años y nueve meses tras el tratamiento quirúrgico, que se practicó en todos los casos, no existiendo recidiva alguna. Tan sólo en un caso se apreció paresia del facial superior homolateral, que desapareció posteriormente con tratamiento médico


Subject(s)
Middle Aged , Humans , Male , Female , Adenolymphoma/pathology , Parotid Neoplasms/pathology
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