Báo cáo khoa học: "Borrelia burgdorferi sensu lato in Ixodes ricinus ticks collected from migratory birds in Southern Norway" docx

... B. burgdorferi prevalence and genotypes in Ixodes ricinus ticks feeding on birds during spring and autumn migration in Norway. Methods: 6538 migratory birds were captured and examined for ticks ... Observatory during the spring and the autumn migration in 2008. 822 immature I. ricinus ticks were collected from 215 infested birds. Ticks were investigated for in...

Ngày tải lên: 12/08/2014, 18:22

... also be involved in the formation of glucuronate. Interestingly, vitamin C for- mation is induced in Gunn rats by phenobarbital [8], an inducer of UGT2s, which is indirect evidence for the involvement ... vitamin C in animals and enhance the excretion of l-xylulose in humans with pentosuria and have shown that aminopyrine, metyrapone and other xenobiotics cause an almost instantaneous...

Ngày tải lên: 19/02/2014, 07:20

... Pro20 aH protons indicates that the peptide bond is in cis conforma- tion, thus creating a kink in the polypeptide chain. A final set of restraints consisting of 580 non-redundant interproton distances ... generally unusual for globular proteins, is shared by a number of other proteins, including toxins such as cobratoxin, erabutoxin b, myotoxins and a-neurotoxins [34,35]. The presence of...

Ngày tải lên: 20/02/2014, 11:20

... O-speci®c polysaccha- rides from LPS of Acinetobacter in order to establish an O-serotyping scheme, t here exists considerable interest in investigating the LPS core regions from this genus which obviously ... genus has gained increasing importance as a causative agent of nosocomial infections (e.g. bacteremia, secondary meningitis) in recent years [1]. As in other G ram-negative...

Ngày tải lên: 21/02/2014, 03:20

... subunit c in chloroform:methanol (1 : 1) was found to stabilize interhelix contacts in a concentration depending manner (M. Girvin, Biochemistry Department, Albert Einstein College of Medicine, New ... membrane intrinsic F 0 moiety, which in bacteria has the subunit composition ab 2 c x . The mechanism for ATP synthesis, proposed to involve binding changes of the three catalytic binding...

Ngày tải lên: 08/03/2014, 10:20

... l-glutamine, l-alanine, l-arginine, l-cysteine, l-proline, l-phenylalanine, l-lysine, l-tryptophan, l-isoleucine, l-tyrosine, l-histi- dine, l-leucine, l-valine, l-methionine, l-glutamate and glycine ... two-step conversion of l-threonine into glycine [27,28]. In addition, it has been shown in E. coli that these enzymes are responsible for the formation of threon- ine from glycine in...

Ngày tải lên: 16/03/2014, 14:20

... Over-expression of dominant-negative caveolin-1 and short hairpin RNA-mediated knock- down of caveolin-1 significantly inhibited infection without affecting the initial internalization [63]. In addition, ... surface, indicating that a secreted HSPG must be involved [11]. HPV31 was reported to not require HSPG interaction for infection of keratinocytes in vitro, but did interact with COS-7...

Ngày tải lên: 23/03/2014, 04:20

... disease have continued to be a problem in Thailand [1]. In this study, thirteen IBV isolates from different commercial poultry farms in Thailand were analyzed by sequencing of the HVR in S1 gene. ... showed that IBV isolates in group I had a distant relation to vaccine strains used in Thailand including Ma5, H120, M41, and Connecticut. New serotypes or variant strains can e...

Ngày tải lên: 07/08/2014, 23:22

... in pairwise combinations in order to determine their copy number in the individual samples. This was accomplished by calculating ratios between the peak areas for two alleles in all samples in which ... accessions) were collected from minor production areas in several provinces, notably in the mountainous Northwest of Iran. Conclusion: This is the first study that uncovered...

Ngày tải lên: 12/08/2014, 05:20

... insulin levels were increased after treatment with thiazolidinediones in diabetic mice through regulation of insulin produc- tion in pancreatic islet cells [39–41]. Thus, the increased insulin ... collected from the tail vein (t = 0 min) and immediately measured for glucose, using an Antsense II. Porcine insulin was injected subcutaneously, and blood was collected at 30, 60, 90 and...

Ngày tải lên: 16/02/2014, 09:20