Báo cáo khoa học: " Resistance to penicillin of Staphylococcus aureus isolates from cows with high somatic cell counts in organic and conventional dairy herds in Denmark" potx

... Veterinaria Scandinavica Open Access Research Resistance to penicillin of Staphylococcus aureus isolates from cows with high somatic cell counts in organic and conventional dairy herds in Denmark Torben ... averages of prevalence of S. aureus and penicillin- resistant S. aureus in different Danish herd groups of cows with high ri...

Ngày tải lên: 12/08/2014, 18:21

... recorded. Then, in sequence: i) pressure was gradually increased (0.01 MPa s –1 ) to a total increase of 0.3–0.4 MPa and maintained for 5 minutes with the exuded sap being blot- ted off; ii) pressure ... 92% of discriminating power. The discriminating power of the first function Water stress in Aleppo pine provenances 667 Table III. Water content(% )in 24-week-old Aleppo pine...

Ngày tải lên: 08/08/2014, 14:20

... up-regulated in the Figure 4 Functional categories of transcripts modulated in F1 21/66 and in Merzling upon infection with P. viticola.Transcripts modulated in F1 21/66 and in Merzling within 12 hpi and ... concentra- tions of stilbenoid viniferins in the leaves and the pro- gress of infection was demonstrated. Moreover, a comprehensive transcriptome profiling of...

Ngày tải lên: 11/08/2014, 11:21

... Shedding pattern of Staphylococcus aureus from bovine intramam- mary infections. J Dairy Sci 1990, 2:78-99. 5. Hindhede J, Thysen I: Milk yield and growth in dairy cows in dif- ferent types of housing. Beretning ... farm. Information like diagnoses at treatment, somatic cell counts (SCC) and results of bacteriological culturing of milk samples from cows...

Ngày tải lên: 12/08/2014, 18:21

... [30] and prosa [31] and visualized with pymol [32]. Automatic fitting of a helix model comprising two turns made up of nine dimers of the J1 nitrilase model without the insertions or the C-terminal extension, ... viewed from the inside. In this representation the left-handed one-start helices run from lower left to top right. The set of right-handed four-start helices are...

Ngày tải lên: 19/02/2014, 00:20

... reducing the binding affinity for substrate of Glu168 and Asn189. Evaluation of the cytotoxicity of ATB107 To determine the cytotoxicity of ATB107, we exam- ined its effect on the proliferation of ... (num- bering in red) of the 11 residues surrounding ATB107 within 5 A ˚ in mIGPS (A) were also included in the 14 residues surrounding sub- strate within 5 A ˚ (B). (C) Bind...

Ngày tải lên: 07/03/2014, 03:20

... were obtained, indicating that equilibrium was attained within this time. Near-UV CD was employed to exam- ine the asymmetry of aromatic amino acids, and thereby to monitor the changes in the tertiary ... of IbeA in solution using spectroscopic techniques to identify protein fold- ing intermediates. Results The initial step in the action of IbeA for E. coli K1 traversal o...

Ngày tải lên: 07/03/2014, 05:20

... re-cloning of the enzyme gene into the Nco I-HindIII site of pATE19, the second amino acid of the enzyme was changed from arginine to glycine. The plasmid pBASPR was introduced into E. coli cells. ... 4799 Kyoto, Japan) using a solvent system of 0.1% trifluoroacetic acid and acetonitrile containing 0.7% trifluoroacetic acid. A 90-min linear gradie nt from 5 to 50% acetonitrile...

Ngày tải lên: 07/03/2014, 16:20

... families of cysteine pro- tease inhibitors. Clitocypin inhibits papain, cathepsins L and K, legumain and bromelain, but is inactive against cathepsin H, trypsin and pepsin. Clitocypin is encoded by ... in most macrocypins, and of several histidine and methionine residues in all the macrocypin sequences, all of which are absent in clitocypin. High proline and glycine...

Ngày tải lên: 16/03/2014, 02:20

... scFvs are engineered proteins that contain the heavy chain and light chain variable domains (V H and V L , respectively) of an antibody connected by a linker [7]. Each domain has an intradomain disulfide ... modification of this method. We used a biotin ligation enzyme from E. coli for biotinylation [9]. A biotin tag sequence was introduced in the middle of the original linker of...

Ngày tải lên: 16/03/2014, 23:20