Báo cáo khoa học: Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants ppt

Báo cáo khoa học: Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants ppt

Báo cáo khoa học: Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants ppt

... Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants Bettina E. Bauer 1, *, ... overexpressing the Tat2p high a nity tryp- tophan permease. Weak acid stress therefore inhibits uptake of aromatic amino ac...
Ngày tải lên : 23/03/2014, 21:20
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Tài liệu Báo cáo khoa học: Chromatin under mechanical stress: from single 30 nm fibers to single nucleosomes pdf

Tài liệu Báo cáo khoa học: Chromatin under mechanical stress: from single 30 nm fibers to single nucleosomes pdf

... behavior of a 36 nucleosome long array reconsti- tuted on the tandem repeat of 5s DNA under torsional stress [70]. The acquired data allowed the determina- tion of several elastic parameters of ... summarize the available data and their impact on our knowledge of both nucleosomal structure and the dynamics of nucleosome and chromatin fiber assembly and organizatio...
Ngày tải lên : 14/02/2014, 18:20
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Tài liệu Báo cáo khoa học: Helicobacter pylori acidic stress response factor HP1286 is a YceI homolog with new binding specificity pdf

Tài liệu Báo cáo khoa học: Helicobacter pylori acidic stress response factor HP1286 is a YceI homolog with new binding specificity pdf

... Ala25 of chain A is close to Asn77 of chain B, then Asn77 of chain A is close to Ala25 of chain B. Chain A Chain B Hydrogen bonds Ala25 Asn77, Arg80 AlaO–ArgNH1 AlaO–ArgND2 Asn26 His35, Arg80, Asn39 ... genomic DNA using the following primers: forward, 5¢-CACCAAACCTTATACGATTGATAAGGCA AAC-3¢; and reverse, 5¢-TTATTATTGGGCGTAAGCT TCTAG-3¢. The construct was cloned directly into...
Ngày tải lên : 16/02/2014, 14:20
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Báo cáo khoa học: Human skin cell stress response to GSM-900 mobile phone signals In vitro study on isolated primary cells and reconstructed epidermis docx

Báo cáo khoa học: Human skin cell stress response to GSM-900 mobile phone signals In vitro study on isolated primary cells and reconstructed epidermis docx

... sam- ples was analysed as a percentage of HSP expression in the positive controls using aphelionÒ image analysis software. Statistical analysis The nonparametric Mann–Whitney unpaired test was ... plates were always placed at the centre of the cross-linker at a distance of 13.5 cm (minus the height of the culture dish) from the UV lamp. The apparatus calculates th...
Ngày tải lên : 07/03/2014, 11:20
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Báo cáo khoa học: Fasting-induced oxidative stress in very long chain acyl-CoA dehydrogenase-deficient mice pdf

Báo cáo khoa học: Fasting-induced oxidative stress in very long chain acyl-CoA dehydrogenase-deficient mice pdf

... microsomal oxidation pathways was analyzed by RT-PCR. In addition, glutathione peroxidase and catalase activities, as well as thiobarbituric acid reactive substances, were examined. In VLCAD knockout ... which may be associated with a substantial risk of ROS-induced liver damage. Fasting is characterized by a considerable influx of fatty acids into the liver. As a consequence...
Ngày tải lên : 15/03/2014, 23:20
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Báo cáo khoa học: Weak oligomerization of low-molecular-weight protein tyrosine phosphatase is conserved from mammals to bacteria pot

Báo cáo khoa học: Weak oligomerization of low-molecular-weight protein tyrosine phosphatase is conserved from mammals to bacteria pot

... 281, 6520–6527. 37 Madhurantakam C, Rajakumara E, Mazumdar PA, Saha B, Mitra D, Wiker HG, Sankaranarayanan R & Das AK (2005) Crystal structure of low-molecular- weight protein tyrosine phosphatase from ... theoretical relaxation data of the monomer and the haddock model of the dimer were computed using HydroNMR [49,50], and the dissociation constant of the dimer (K d ),...
Ngày tải lên : 16/03/2014, 02:20
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Báo cáo khoa học: Weak toxin WTX from Naja kaouthia cobra venom interacts with both nicotinic and muscarinic acetylcholine receptors potx

Báo cáo khoa học: Weak toxin WTX from Naja kaouthia cobra venom interacts with both nicotinic and muscarinic acetylcholine receptors potx

... dis- sociation constant of the radioligand, K a is the equilibrium dissociation constant of WTX, and a is the cooperativity factor between radioligand and WTX. For the concentration response of [ 35 S]GTP[cS] ... transmission. The nicotinic AChRs (nAChRs) are activated by nicotine and belong to the ligand-gated ion channel superfam- ily, whereas muscarinic AChRs (mAChR...
Ngày tải lên : 23/03/2014, 05:22
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Tài liệu Báo cáo khoa học: Mouse recombinant protein C variants with enhanced membrane affinity and hyper-anticoagulant activity in mouse plasma pptx

Tài liệu Báo cáo khoa học: Mouse recombinant protein C variants with enhanced membrane affinity and hyper-anticoagulant activity in mouse plasma pptx

... to the cofactor and thus influence the anticoagulant activity of APC. An influence of position 23 on the interaction to APC substrates FVa and FVIIIa also cannot be ruled out. The same reasoning ... R max is the binding at saturation or maximum surface coverage, C corresponds to the injected analyte concentration and K D is the equilibrium dissocia- tion constant. We are...
Ngày tải lên : 18/02/2014, 06:20
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Tài liệu Báo cáo khoa học: Influence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx

Tài liệu Báo cáo khoa học: Influence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx

... revealed that both the kinetics of enzyme acylation (k 2 ) and deacylation (k 3 ) are reduced by chemical glycosylation, also as a function of the glycan molar content of the conjugates (Table ... A 3 where A 1 , A 2 , and A 3 are the fractions of the fast, slow and stable amide protons and k HX,1 and k HX,2 are the apparent exchange rate constants for the fa...
Ngày tải lên : 19/02/2014, 05:20
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Báo cáo khoa học: Krit 1 interactions with microtubules and membranes are regulated by Rap1 and integrin cytoplasmic domain associated protein-1 doc

Báo cáo khoa học: Krit 1 interactions with microtubules and membranes are regulated by Rap1 and integrin cytoplasmic domain associated protein-1 doc

... transported in its closed conformation along MT toward the plasma membrane. On reaching the membrane, Krit1 would detach from MT and be captured by activated Rap1 and ICAP-1 on the plasma membrane ... toward the plasma membrane. When reaching the membrane, Krit1 would detach from MT and be captured by activated Rap1 and ICAP-1 on the plasma membrane. S. Be ´ raud...
Ngày tải lên : 16/03/2014, 05:20
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