نتایج جستجو برای: lipase gene
تعداد نتایج: 1154330 فیلتر نتایج به سال:
AIMS To establish a relationship between lipase gene expression and aflatoxin production by cloning the lipA gene and studying its expression pattern in several aflatoxigenic and nontoxigenic isolates of Aspergillus flavus and A. parasiticus. METHODS AND RESULTS We have cloned a gene, lipA, that encodes a lipase involved in the breakdown of lipids from aflatoxin-producing A. flavus, A. parasi...
The GDSL-lipase gene family is a very large subfamily within the supergene family of SGNH esterases, defined by the distinct GDSL amino acid motif and several highly conserved domains. Plants retain a large number of GDSL-lipases indicating that they have acquired important functions. Yet, in planta functions have been demonstrated for only a few GDSL-lipases from diverse species. Considering t...
Preliminary observations in a large-scale fermentation process suggested that the lipase expression of Pseudomonas alcaligenes can be switched on by the addition of certain medium components, such as soybean oil. In an attempt to elucidate the mechanism of induction of lipase expression, we have set up a search method for genes controlling lipase expression by use of a cosmid library containing...
Background: Lipases are one of the most important catalysts in detergent, dairy, and textile industries due to their biocatalytic activity aqueous non-aqueous media. Lipase-producing bacteria effectively produced used various by screening different habitats optimizing fermentation parameters. The present study aimed isolate identify lipase-producing investigate characteristics importance findin...
Candida parapsilosis is a major cause of human disease, yet little is known about the pathogen's virulence. We have developed an efficient gene deletion system for C. parapsilosis based on the repeated use of the dominant nourseothricin resistance marker (caSAT1) and its subsequent deletion by FLP-mediated, site-specific recombination. Using this technique, we deleted the lipase locus in the C....
Lipoprotein lipase (LIPL or LPL; E.C.3.1.1.34) serves a dual function as a triglyceride lipase of circulating chylomicrons and very-low-density lipoproteins (VLDL) and facilitates receptor-mediated lipoprotein uptake into heart, muscle and adipose tissue. Comparative LPL amino acid sequences and protein structures and LPL gene locations were examined using data from several vertebrate genome pr...
The molecular defects resulting in a deficiency of lipoprotein lipase activity in a patient with the familial hyperchylomicronemia syndrome have been identified. Increased lipoprotein lipase mass but undetectable lipoprotein lipase activity in the patient's post-heparin plasma indicate the presence of an inactive enzyme. No major gene rearrangements were identified by Southern blot analysis of ...
The lipase from Pseudomonas cepacia ATCC 21808 (recently reclassified as Burkholderia cepacia) is widely used by organic chemists for enantioselective synthesis and is manufactured from recombinant P. cepacia harboring on a plasmid the clustered genes for lipase and its chaperone. High levels of expression of inactive lipase (40%) in Escherichia coli were achieved with pCYTEXP1 under the contro...
A thermophilic lipolytic bacterium identified as Bacillus sp. L2 via 16S rDNA was previously isolated from a hot spring in Perak, Malaysia. Bacillus sp. L2 was confirmed to be in Group 5 of bacterial classification, a phylogenically and phenotypically coherent group of thermophilic bacilli displaying very high similarity among their 16S rRNA sequences (98.5-99.2%). Polymerase chain reaction (PC...
lipases catalyze hydrolysis and synthesis of triacylglycerols. these enzymes,especially the microbial ones, have wide commercial and industrial usage. bacillus subtilis lipase has interesting properties such as small size and tolerance to basic ph; therefore, developing techniques for its recognition and isolation is the focus of research in many laboratories. in the present study, two factors ...
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