Results 101 to 110 of about 17,388 (213)

Fleming's penicillin producing strain is not Penicillium chrysogenum but P. rubens

open access: yesIMA Fungus, 2011
Penicillium chrysogenum is a commonly occurring mould in indoor environments and foods, and has gained much attention for its use in the production of the antibiotic penicillin.
J. Houbraken, J.C. Frisvad, R.A. Samson
doaj  

Gene clusters for β-lactam antibiotics and control of their expression: why have clusters evolved, and from where did they originate? [PDF]

open access: yes, 2010
While β-lactam compounds were discovered in filamentous fungi, actinomycetes and gram-negative bacteria are also known to produce different types of β-lactams. All β-lactam compounds contain a four-membered β-lactam ring.
Juan F. Martín, Paloma Liras
core   +2 more sources

Environmental Detoxification of Benzimidazole Fungicide Fuberidazole via Microbial Action in Liquid Cultures

open access: yesMycobiology
Mitigation of the environment from hazardous pesticides is clamant for all living things. The behavior of the fungicide Fuberidazole was investigated toward biodegradation.
Jehad S. Al-Hawadi   +4 more
doaj   +1 more source

Effect of Gamma-Rays on the Growth and Penicillin Production of Penicillium chrysogenum

open access: yesJournal of Pure and Applied Microbiology, 2019
This study aimed to investigate the effects of different doses (25, 50, 75, 100, 125, 150, 200, 250, 500, 1000 and 2000 Gy) of gamma radiation on spore germination in Penicillium chrysogenum and on the production and efficacy of penicillin in this ...
Mohammed M. Aljeldah   +3 more
doaj   +1 more source

Occurrence of moulds from bee pollen in Central Italy – A preliminary study

open access: yesAnnals of Agricultural and Environmental Medicine, 2015
The present study aimed to preliminary evaluate the occurrence of fungi in 40 specimens of trapped pollen collected from April – September 2015 in 40 apiaries from Tuscany (Central Italy).
Simona Nardoni   +4 more
doaj   +1 more source

Respiration of Penicillium chrysogenum in Penicillin Fermentations [PDF]

open access: yesJournal of General Microbiology, 1952
Spore-inoculated penicillin fermentations using Penicillium chrysogenum W 48–701 were carried out in two different types of equipment: stirred and aerated laboratory fermentors, or shaken flasks. The respiration of the mycelium was measured in Warburg manometers. The maximum oxygen demand in the fermentations occurred at approximately 40 hr.
openaire   +2 more sources

Penicillium and Talaromyces diversity in cystic fibrosis patient sample and the description of a new species, Penicillium subluteum sp. nov. (Eurotiales, Aspergillaceae) [PDF]

open access: yesMycoKeys
Penicillium and Talaromyces species are frequently isolated from the respiratory tracts of cystic fibrosis (CF) patients, yet their diversity, ecological roles, and clinical significance remain poorly understood.
Ya Bin Zhou   +9 more
doaj   +3 more sources

Nitrogen-Containing Aromatic Compound from the Culture Medium of Penicillium chrysogenum THOM

open access: yesCHIMIA, 1993
Investigation of the culture medium of Penicillium chrysogenum THOM (contaminant of two strains of Ceratocystis fimbriata) led to the isolation of the sesquiterpene PR toxin (1) and 2-[(2-hydroxypropionyl)amino]benzamide (2) which have never ...
Meilieko C. Dai   +2 more
doaj   +2 more sources

Contamination of breakfast cereal products by fungi and mycotoxins - a potential risk for consumer's health [PDF]

open access: yes, 2013
The aim of research was assessment of breakfast cereal snacks available in trade for their contamination with fungi and selected mycotoxins in related to potential risk of consumers’ health. The contamination with fungi ranged from 1.3 x 101cfu g-1to 9.0
Piotrowska, Małgorzata
core  

Growth and biofilm formation of Penicillium chrysogenum in simulated microgravity [PDF]

open access: yes, 2017
Penicillium sp. are one of the main fungal genera detected on board the Russian Space Station (MIR) and the International Space Station (ISS), demonstrating its ability to grow on the space stations´ walls and to maintain growth under microgravity (1-3).
Cortesao, Marta   +8 more
core  

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