Document Detail

Comparative effect of the fungicide Prochloraz-Mn on Agaricus bisporus vegetative-mycelium and fruit-body cell walls.
MedLine Citation:
PMID:  15666248     Owner:  NLM     Status:  MEDLINE    
Fungicides to control mycopathogens of commercial Agaricus bisporus, a mushroom cultivated for human consumption, are a major field of study, since these chemicals are toxic to both the host and its fungal parasites. The fungicide Prochloraz-Mn, used at its LD50 for A. bisporus, partially inhibited protein biosynthesis in the vegetative mycelial cell walls of this mushroom and caused significant changes in cell-wall polysaccharide structure, as deduced by methylation analysis and gas liquid chromatography-mass spectrometry (GLC-MS). Furthermore, the aggregated mycelial walls showed distinct alterations in their overall chemical composition following the administration of Prochloraz-Mn at the LD50 and the LD50 x1000. As expected, GLC-MS studies indicated that the latter dose caused more appreciable differences in polysaccharide structure. The decrease in mushroom crop yields obtained from industrial cultures treated with Prochloraz-Mn to control V. fungicola infection depended on the dose of the fungicide employed, whereas fruit-body morphology was only slightly affected at the highest Prochloraz-Mn concentration used.
Dolores Bernardo; Amelia Pérez Cabo; Monique Novaes-Ledieu; José Pardo; Concepción García Mendoza
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International microbiology : the official journal of the Spanish Society for Microbiology     Volume:  7     ISSN:  1139-6709     ISO Abbreviation:  Int. Microbiol.     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2005-01-24     Completed Date:  2005-04-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9816585     Medline TA:  Int Microbiol     Country:  Spain    
Other Details:
Languages:  eng     Pagination:  277-81     Citation Subset:  IM    
Biological Research Center, CSIC, Madrid, Spain.
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MeSH Terms
Agaricus / drug effects*,  growth & development
Cell Wall / chemistry,  drug effects
Fruiting Bodies, Fungal / drug effects*,  growth & development
Fungicides, Industrial / pharmacology*
Gas Chromatography-Mass Spectrometry
Imidazoles / pharmacology*
Mycelium / drug effects*,  growth & development
Polysaccharides / metabolism
Reg. No./Substance:
0/Fungicides, Industrial; 0/Imidazoles; 0/Polysaccharides; 67747-09-5/prochloraz

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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