Báo cáo khoa học: "Isolation and characterization of a genotype 4 Hepatitis E virus strain from an infant in China" ppt

... Rayo CD, Bezanilla JC, Toth TE, Meng XJ: Identification of genotype 3 hepatitis E virus (HEV) in serum and faecal samples from pigs in Thailand and Mexico, where genotype 1 and 2 HEV strains are ... with another Shanghai HEV strain (AB1976 74 ) isolated from a Japanese patient who was reportedly infected during traveling in Shanghai of China [8]. Phylogeneti...

Ngày tải lên: 12/08/2014, 04:21

... have been found in the Caryophyllaceae, Sambucaceae, Cucurbitaceae, Euphorbiaceae, Phytolaccaceae and Poaceae [1]. Although many are potentially useful in agriculture and medicine because of their ... body mass. The mice had free access to food and water and tests were carried out over 48 h. The results were evaluated as the median lethal dose. Each assay had an animal contro...

Ngày tải lên: 18/02/2014, 16:20

... the amino group forming the imine linkage with the coenzyme. Enzymes of the b-family catalyse mainly b-replacement or b-elimination reac- tions. The d-alanine aminotransferase and the alanine racemase ... ground was used for the analyses. (A) Total RNA was extracted and 20 lg RNA was loaded in each lane and blotted as indicated in Experimental procedures. To prove equal loading o...

Ngày tải lên: 16/03/2014, 18:20

... were modified by alkylation, or replaced with alanine and valine, respect- ively, and the resultant V NAR s evaluated for retention of binding affinity. Material and methods Equipment and reagents Restriction ... (12F-11DCys). Use of alanine and valine was initially determined in a set of competitive selection experiments [35], and replacement with this pair of residues...

Ngày tải lên: 17/03/2014, 10:20

... upstream of this motif. The isolated pool was also enriched in sequences having a GAGA or GACCG. These motifs were often overlapping and the GAGA and GACCG sequences were located with a variable ... consisting of Mad/Medea and Shn. While the fundamental aspects of TGF-b signaling are highly conserved and the requirement of this pathway in embryonic patterning in both...

Ngày tải lên: 30/03/2014, 13:20

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Ngày tải lên: 07/08/2014, 18:21

... based therapies and tissue engineering which have been performed in trials to overcome the difficulties of gene based therapies and their medical limitations. The use of stem cell implantation ... or medical trials for preclinical purposes [23,30]. One advantage of using dogs is that canine model transplantation uses a large size animal [9]. The isolation and characteriz...

Ngày tải lên: 07/08/2014, 23:22

... DQ470656, EF05 741 1, EU375 741 – EU375 744 and EU41 048 4. BioMed Central Page 1 of 8 (page number not for citation purposes) Acta Veterinaria Scandinavica Open Access Research Isolation and characterization ... treat DD, take preventive measures and start control programmes the cause/s of the disease needs to be identified and characterized. We describe seven isolates of a...

Ngày tải lên: 12/08/2014, 18:22

... Streptomyces castaneoglobisporus [17] became available, and will enable more detailed analy- sis of the exact reaction mechanisms. The tyrosinase structure, wherein the active site was located at ... ligand amino acids of the active site are well conserved between the proteins, whereas the C-terminal domains are less conserved. Overexpression of the tyrosinase gene in Trichoderma re...

Ngày tải lên: 19/02/2014, 06:20

... current flow reached steady state. Currents evoked by PEPT1 or PEPT2 at a given membrane potential were calculated as the difference of the currents measured in the presence and the absence of ... scintillation spectrometry. For each experi- ment, the samples for the protein measurements were prepared and measured as described previously [20]. X. laevis oocytes expressing PEPT1 an...

Ngày tải lên: 07/03/2014, 05:20