Strains of Aureobasidium pullulans Can Lower Ochratoxin A Contamination in Wine Grapes
نویسندگان
چکیده
منابع مشابه
Antibacterial Activity of Aureobasidium Pullulans
Aureobasidium pullulans is ubiquitous, polymorphic and black fungus producing a variety of important metabolites including enzymes, polysaccharides and single cell protein. It is considered as a probable source for antagonistic activity against a number of phytopathogenic fungi and possible biocontrol agent of post harvest diseases. The present work aims at the antibacterial compounds produced ...
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Aureobasidium pullulans strain Y117 was transformed to hygromycin resistance using plasmid pDH33, which contains the bacterial hygromycin B phosphotransferase gene (hph) fused to promoter elements of the Aspergillus niger glucoamylase gene (glaA). Southern hybridizations of transformants revealed multiple, integrated copies of the vector. The glaA promoter was not induced by starch in A. pullul...
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Using media with low water activity, a large numbers of aureobasidium-like black yeasts were isolated from glacial and subglacial ice of three polythermal glaciers from the coastal Arctic environment of Kongsfjorden (Svalbard, Spitsbergen), as well as from adjacent sea water, sea ice and glacial meltwaters. To characterise the genetic variability of Aureobasidium pullulans strains originating f...
متن کاملBiosynthesis of novel exopolymers by Aureobasidium pullulans.
Aureobasidium pullulans ATCC 42023 was cultured under aerobic conditions with glucose, mannose, and glucose analogs as energy sources. The exopolymer extracts produced under these conditions were composed of glucose and mannose. The molar ratio of glucose to mannose in the exopolymer extract and the molecular weight of the exopolymer varied depending on the energy source and culture time. The g...
متن کاملOchratoxin A in wine.
A high-performance liquid chromatography (HPLC) method for determination of ochratoxin A (OTA) in wine was developed and checked on 14 samples of wine produced in the Republic of Croatia. OTA detection in red and white wine was validated checking the linearity of the method (r2=0.997 and 0.999, respectively), recovery (88 and 95 %, respectively), and precision (RSD=3.1 and 1.4 %, respectively)....
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ژورنال
عنوان ژورنال: Phytopathology®
سال: 2008
ISSN: 0031-949X,1943-7684
DOI: 10.1094/phyto-98-12-1261