Results 171 to 180 of about 5,562 (213)

Studies on the gushing potential of Penicillium expansum

Food Research International, 2021
Gushing describes the spontaneous excessive over-foaming of carbonated beverages leading to considerable economic losses and reputational damages to the beverage industry. Surface-active proteins produced by filamentous fungi are involved in the induction of gushing.
Lisa M. Frisch, Magdalena A. Mann, David N. Marek, Melanie Baudrexl, Rudi F. Vogel, Ludwig Niessen   +5 more
openaire   +2 more sources

Cinnamon Oil Inhibits Penicillium expansum Growth by Disturbing the Carbohydrate Metabolic Process

Journal of Fungi (Basel, Switzerland), 2021
Penicillium expansum is a major postharvest pathogen that mainly threatens the global pome fruit industry and causes great economic losses annually. In the present study, the antifungal effects and potential mechanism of cinnamon oil against P.
Tongfei Lai
exaly   +2 more sources

AVIRULENCE IN PROTOTROPHS OF PENICILLIUM EXPANSUM

Canadian Journal of Botany, 1966
Over 100,000 prototrophic survivors from ultraviolet-irradiated stock were screened for pathogenicity on apple fruits. Of these, seven showed altered pathogenic capacity when compared with the wild type, five having reduced virulence and two being completely avirulent.
B. H. MacNeill, G. L. Barron
openaire   +1 more source

Acidification of apple and orange hosts by Penicillium digitatum and Penicillium expansum

International Journal of Food Microbiology, 2014
New information about virulence mechanisms of Penicillium digitatum and Penicillium expansum could be an important avenue to control fungal diseases. In this study, the ability of P. digitatum and P. expansum to enhance their virulence by locally modulating the pH of oranges and apples was evaluated. For each host, pH changes with a compatible pathogen
Vilanova, Laura, Viñas Almenar, Inmaculada, Torres Sanchis, Rosario, Usall i Rodié, Josep, Burón Moles, Gemma, Teixidó i Espasa, Neus   +5 more
openaire   +3 more sources

Detection of Penicillium expansum by polymerase chain reaction

International Journal of Food Microbiology, 2003
Penicillium expansum is a major causative agent of postharvest decay in a variety of fruits, including apples, peaches, nectarines, and cherries. It causes significant economic losses to the fruit industry and is also of potential public health significance, since it produces patulin, a mycotoxin known to cause harmful effects in animals.
Patrick, Marek, Thirunavukkarasu, Annamalai, Kumar, Venkitanarayanan   +2 more
openaire   +2 more sources

Distribution of Nuclei in a Heterocaryon of Penicillium expansum

Nature, 1963
THE overall frequency of diploid nuclei in a balanced heterocaryon has been estimated by Pontecorvo1 to be of the order of one in 106 or 107. Thus, a colony containing 1 × 109 conidia would include 100–1,000 diploid conidia.
openaire   +2 more sources

Purification and properties of a lipase from Penicillium expansum

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, 1993
Penicillum expansum DSM 1994 produces a new, inducible extracellular lipase when grown in medium containing 0.1% olive oil. Maximum activity was obtained after 4 days of incubation at 20 degrees C. The enzyme was purified 219-fold by cross-flow filtration, ammonium sulfate precipitation and hydrophobic interaction chromatography to a final specific ...
W, Stöcklein, H, Sztajer, U, Menge, R D, Schmid   +3 more
openaire   +2 more sources

Purification and preliminary crystallographic analysis of a Penicillium expansum lipase

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2005
PF898 is a strain of Penicillium expansum optimized for the high level production of Penicillium expansum lipase (PEL). This PEL is unique compared with other lipases in several aspects, For example, the PEL shows low sequence identities (
Chuanbing, Bian, Cai, Yuan, Lin, Lin, Junhan, Lin, Xiaoli, Shi, Xiaoming, Ye, Zixiang, Huang, Mingdong, Huang   +7 more
openaire   +2 more sources

Residue Val237 is critical for the enantioselectivity of Penicillium expansum lipase

Biotechnology Letters, 2013
The shape of the hydrophobic tunnel leading to the active site of Penicillium expansum lipase (PEL) was redesigned by single-point mutations, in order to better understand enzyme enantioselectivity towards naproxen. A variant with a valine-to-glycine substitution at residue 237 exhibited almost no enantioselectivity (E = 1.1) compared with that (E ...
Lianghua, Tang, Min, Su, Liying, Chi, Junling, Zhang, Huihui, Zhang, Ling, Zhu   +5 more
openaire   +2 more sources

Study on the role of patulin on pathogenicity and virulence of Penicillium expansum

International Journal of Food Microbiology, 2012
Although the antibacterial activity and toxicity to humans and animals of the mycotoxin patulin are well known, its role in the postharvest decay of apples by Penicillium expansum has never been investigated. In the present study the gene disruption technique was used to alter the sequence of 6-methyl-salicylic acid synthase, an enzyme involved in the ...
S. m. Sanzani, REVERBERI, Massimo, Marta Punelli, A. Ippolito, FANELLI, Corrado   +4 more
openaire   +3 more sources