Báo cáo y học: " The amazing world of bacterial structured RNAs" ppsx
... non-Watson-Crick pairs and the modules they form are an integral part of the tertiary structure; consequently, they are not predicted by the usual secondary structure programs that consider only Watson-Crick ... article as: Westhof E: The amazing world of bacterial structured RNAs. Genome Biology 2010, 11:108. Westhof Genome Biology 2010, 11:108 http://genomebiology.co...
Ngày tải lên: 09/08/2014, 20:21
... observations that, in the majority of patients, premonitory signs and symptoms of cardio- pulmonary instability are often present hours before clinical deterioration [6]. By encouraging early responses ... rates of adverse events [4,5]. All of these detection methods require substantial investments of time and money. Moreover, especially in the case of chart review, missing in...
Ngày tải lên: 25/10/2012, 10:06
... Aesthetic Surgery, Dokuz Eylul University, Faculty of Medicine, Izmir, TURKEY. 2. Clinic of Plastic Reconstructive and Aesthetic Surgery, Public Hospital, Mus, Turkey. 3. Clinic of Plastic Reconstructive ... superior to the origin of the temporal muscle. Then, the TPF is ele- vated from the deep temporal fascia by blunt dissec- tion. If lengthening of the pedicle is ne...
Ngày tải lên: 25/10/2012, 11:00
Báo cáo y học: "The Natural History of Hepatitis C Virus (HCV) Infection"
... death. The liver biopsy is the gold standard for the grading and staging of chronic hepatitis C. The activity of liver disease or grade, is gauged by the number of mononuclear inflammatory cells ... lack of error proofreading by the viral RNA polymerase are reasons why the HCV RNA genome mutates frequently.[9] There are six known genotypes (numbered 1 through 6) an...
Ngày tải lên: 02/11/2012, 09:56
Báo cáo y học: "The primary prevention of birth defects: Multivitamins or folic acid"
... the social consequences of the defects, or to terminate the pregnancy. The great majority of prospective parents elect for termination of the pregnancy. Of course, this is a last resort rather ... to do therefore our best to introduce the only one good solution, the primary prevention of CAs. No doubt that the primary prevention is better than the termination...
Ngày tải lên: 03/11/2012, 10:05
Báo cáo Y học: The inhibitory region of troponin-I alters the ability of F-actin to interact with different segments of myosin pot
... troponin C, and in the presence of tropomyosin the inhibition of the MgATPase of actomyosin by the peptide is markedly increased [7]. The inhibitory peptide in the presence of tropomyosin is about ... enhanced by tropomyosin. Interaction of the myosin light chain N-terminal peptide with actin and reversal by the TnI inhibitory peptide The effect of the IP on t...
Ngày tải lên: 17/03/2014, 10:20
Báo cáo Y học: The solution structure of gomesin, an antimicrobial cysteine-rich peptide from the spider pptx
... in the headgroup region of the membrane, leading to a decrease of the thickness of the lipid bilayer, and then to (b) an active state, when the peptide penetrates the hydrocarbon core of the ... hydrophobic and hydrophilic residues. The N- and C -te rmini , the b turn and one face of the b sheet are hydrophilic, but the h ydrophobicity of the other f ace de...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo Y học: The phosphotransferase system of Streptomyces coelicolor IIACrr exhibits properties that resemble transport and inducer exclusion function of enzyme IIAGlucose of Escherichia coli pptx
... this hypothesis. The demonstration of the IIA Crr –MalK interaction suggests that IIA Crr may regulate the function of some of the > 140 MalK homologues found in the S. coelicolor genome. The ... phosphoimager (Fuji). Enzyme assays IIA Crr activity was assayed by complementation of the glucose-specific PTS of E. coli measuring phosphoenolpyru- vate-dependent phosphor...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo Y học: The N-terminus of m5C-DNA methyltransferase Msp I is involved in its topoisomerase activity docx
... members of the m5C-MTase family, undergo self-methylation in the absence of substrate DNA [15,16]. M.MspI catalyzes the exchange of tritium at C-5 of cytosine from tritiated water in the absence of ... activity shown by M.MspI, in addition to cytosine methylation, suggests that the interaction of M.MspI with DNA may be different from that of other m5C-MTases. The add...
Ngày tải lên: 24/03/2014, 00:21
Báo cáo Y học: The a1b1 contact of human hemoglobin plays a key role in stabilizing the bound dioxygen Further evidence from the iron valency hybrids potx
... 4). Similarly, Shaanan [31] reported the stereochemistry of the iron-dioxygen bond in human HbO 2 by single-crystal X-ray analysis. In the a chain, the distance between N e of His (E7) and the terminal ... particularly of the b chains [8]. In the autoxidation reaction of HbO 2 ,aswellasMbO 2 , pH can affect the rate in many d ifferent ways. Recent kinetic and thermodyn...
Ngày tải lên: 31/03/2014, 15:20