Báo cáo Y học: ORF6 from the clavulanic acid gene cluster of

Báo cáo Y học: ORF6 from the clavulanic acid gene cluster of Streptomyces clavuligerus has ornithine acetyltransferase activity potx

... for the biosynthesis of other clavams [13,14]. Thus, only functions for the gene products of orfs2–5 in the early stages of the pathway and the ﬁnal stage (orf 9) of the clavulanic acid gene cluster ... clavuligerus .The orf6 gene of the clavulanic acid biosynthetic gene cluster in S. clavuligerus encodes a protein that shows sequence homolog...

Ngày tải lên : 08/03/2014, 22:20

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Báo cáo y học: " Polysaccharides from the root of Angelica sinensis protect bone marrow and gastrointestinal tissues against the cytotoxicity of cyclophosphamide in mice

... and the gastrointestinal tissues from the cytotoxicity of CY in mice. We also profiled the changes of the expression of growth factors in gastric tissues in response to the damage by CY and ... clinically necessary in cancer patients receiving chemotherapy, so as to allow their immune systems to restore function [2]. On the other hand, the death of GI cells break...

Ngày tải lên : 02/11/2012, 10:19

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Báo cáo Y học: Ferritin from the spleen of the Antarctic teleost Trematomus bernacchii is an M-type homopolymer doc

... results in the disassembly o f the quaternary structure, a s indicated by the shift of the size- exclusion chromatography elution volume from 7.8 mL (pH 7 .0) to 11.4 mL. The de polymerization of T. ... lower than that of the L -rich apoferritin of horse spleen (t 1/2 ¼ 60 0 s) [19]. The iron-oxidation capacity is maintained by T. bernacchii apoferritin at low temperat...

Ngày tải lên : 08/03/2014, 23:20

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Báo cáo Y học: Hemocyanin from the keyhole limpet Megathura crenulata (KLH) carries a novel type of N-glycans with Gal(b1–6)Man-motifs doc

... captivity of the animals [2], may clearly inﬂuence the molar proportions of the monosaccharide constituents of this glycoprotein. Furthermore, the ratio of KLH1 and KLH2 varies consid- erably in the ... analyses, glycans were sequentially released by enzyme treatment. Following reduction and carboxymethylation, the glycoprotein was ﬁrst digested with trypsin. The total p...

Ngày tải lên : 31/03/2014, 08:20

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Tài liệu Báo cáo Y học: Puriﬁcation, characterization, immunolocalization and structural analysis of the abundant cytoplasmic b-amylase from Calystegia sepium (hedge bindweed) rhizomes ppt

... 8C. Then 0.1 vol. of a solution of 0.5 M sodium acetate (pH 5.0) was added and the activity of the enzyme was measured by the dinitrosalicylic acid method. Inhibition of the enzyme activity by ... soybean b-amylase (Cys82, Cys97, Cys208 and Cys343). On the analogy of the soybean b-amylase, the active site of the C. sepium b-amylase most probably consists of...

Ngày tải lên : 22/02/2014, 07:20

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Báo cáo Y học: Conformational analysis by CD and NMR spectroscopy of a peptide encompassing the amphipathic domain of YopD from Yersinia potx

... understand the role of the YopD–LcrH complex in Yersinia pathogenesis by determining the a helical structure of the biologically relevant C-terminal amphipathic domain of YopD. Impor- tantly, this ... constructed with the VMD software [36]. Fig. 6. NMR structure of the amphipathic domain of YopD illustrating the hydrophobic and hydrophilic sidedness of the peptide....

Ngày tải lên : 31/03/2014, 21:21

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Báo cáo y học: "Mirror-Image Arachnoid Cysts in a Pair of Monozygotic Twins: A Case Report and Review of the Literature"

... pathogenesis of AC. The findings in our case indicate that early neuroimaging is mandatory in the counterpart of the sympto- matic patient with AC, irrespective of the absence of symptoms. Key ... an uneventful pregnancy of a healthy 24-year-old mother. They have no family history of genetic diseases. Both had Apgar scores of 9/9 at 1 minute and 9/9 at 5 minutes. T...

Ngày tải lên : 25/10/2012, 11:00

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Báo cáo y học: " Factors affecting the long-term response to tacrolimus in renal transplant patients: Pharmacokinetic and pharmacogenetic approac"

... pharmacokinetics are the drug transporters and the metabolizing en- zymes [7,9]. CYP3A, the primary subfamily of the cytoch- rome P450 (CYP) enzymatic system, is responsible for the metabolism of tacrolimus ... Results The characteristics of the study population are shown in Table 1. The frequency of CYP3A5*3/*3 genotype was 87.5% (35/40) whereas the frequency...

Ngày tải lên : 26/10/2012, 09:32

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Báo cáo y học: "Why are some children with early onset of asthma getting better over the years" -aneuploid-prostate-cancer-cells-after-tmz-tmz-bioshuttle-treatment.html#post143974

... obtained by investigations of the maternal medical records at the University Hospital, including PHC data of the statements made by the mid-wife in her records of the check-up of the mothers ... the same as those identified clinically. In a study of children between 1 – 2 years of age the pa- rental questionnaire was only able to identify 54% of the childr...

Ngày tải lên : 26/10/2012, 09:48

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Báo cáo y học: "Foundation for the Community Control of Hereditary Diseases, Budapest, Hungary"

... evaluated, the period of study (only at birth or in early neonatal period or prenatal or the whole infant period are included), the completeness of ascertainment, the diagnostic skill of experts, ... and genetic characteristics of the study population, etc. In Hungary the total prevalence of congenital abnormalities was 66.83 per 1000 informative offspring in the...

Ngày tải lên : 02/11/2012, 11:12

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