The identification and molecular characterization of a previously unidentified lipase, gehD, from the human cutaneous commensal Staphylococcus epidermidis is reported. A lipase-GehC-deficient but otherwise isogenic mutant of S. epidermidis 9 was constructed by allele replacement. However, the mutant was found to retain 50% of the wild-type lipase activity in liquid culture. Rescreening of a gen...

Identification of three overlapping clones in a canine genomic lambda phage library allowed us to determine a detailed restriction enzyme map of the primary transcriptional unit of the pancreatic lipase gene (15.5 kilobase pairs) as well as 15 and 6 kilobase pairs of 5'- and 3'-flanking regions, respectively. DNA sequence analysis provided the primary structure of (a) 1,345 nucleotides (nt) of ...

Diabetes is a global health problem that is caused by impaired insulin production from pancreatic β-cells. Efforts to regenerate β-cells have been advancing rapidly in the past two decades with progress made towards identifying new agents that induce β-cells regeneration. ANGPTL8, also named betatrophin, has been recently identified as a hormone capable of inducing β-cells proliferation and inc...

Fourteen lipase low-producing (Lip-) mutants of Yarrowia lipolytica were obtained by UV mutagenesis. Complementation studies showed that ten of these mutants belonged to one complementation group. Two other mutants, Lip-132 and 223, complemented those of the first group. Lip-1123 complemented mutants of the first and second groups. Lip-1351 did not complement Lip-742, 417, 529 and 1133, which b...

The tremendous mounting interest in lipase production is pertinent to the biotechnological applications that these enzymes offer. Lipase, belonging to the hydrolyze enzymes, is involved in copious biological functions including: hydrolysis insoluble triacylglycerol to mono and diacylglycerols and glycerol. Submerge fermentation technique was applied for the efficient production of this. Briefly...

BACKGROUND Metagenomics, the application of molecular genomics to consortia of non-cultivated microbes, has the potential to have a substantial impact on the search for novel industrial enzymes such as esterases (carboxyl ester hydrolases, EC 3.1.1.1) and lipases (triacylglycerol lipases, EC 3.1.1.3). In the current work, a novel lipase gene was identified from a fosmid metagenomic library cons...

pseudomonas aeruginosa ef2, atcc 9027 and atcc 19660 were grown in a continuous culture under tween 80 (polyoxyethylene sorbitan monooleate) limitation and optimum conditions (ph 6.5, 37°c at dilution rate of 0.05/h). culture supernatants were carefully removed and stored at -20°c. to purify the lipases, the culture supernatant was reduced in volume to approximately 10 ml by an ultrafiltration ...

the tremendous mounting interest in lipase production is pertinent to the biotechnological applications that these enzymes offer. lipase, belonging to the hydrolyze enzymes, is involved in copious biological functions including: hydrolysis insoluble triacylglycerol to mono and diacylglycerols and glycerol. submerge fermentation technique was applied for the efficient production of this. briefly...