Báo cáo khoa học: "Plasma Melatonin Levels in Relation to the LightDark Cycle and Parental Background in Domestic Pig" ppt
Báo cáo khoa học: "Plasma Melatonin Levels in Relation to the LightDark Cycle and Parental Background in Domestic Pig" ppt
... p<0.001 Andersson H: Plasma melatonin levels in relation to the light-dark cycle and parental background in domestic pigs. Acta vet. scand. 2001, 42, 287-294. – To study porcine melatonin secretion in ... genetic background. genetic. Acta vet. scand. 2001, 42, 287-294. Acta vet. scand. vol. 42 no. 2, 2001 Plasma Melatonin Levels in Relation to the...
Ngày tải lên: 12/08/2014, 15:20
báo cáo khoa học: "Trichoderma viride cellulase induces resistance to the antibiotic pore-forming peptide alamethicin associated with changes in the plasma membrane lipid composition of tobacco BY-2 cells" potx
... exposed to T. viride, and the situation is far from the soil situation where fungus and plant grow together and influence each other. The objective of the present investigation was to investigate ... cellulase and or macerozyme was inac- tivated by boiling prior to addit ion. In other cases, cells were incubated in CM medium for 20 min and then pelleted and trans...
Ngày tải lên: 11/08/2014, 11:21
Tài liệu Báo cáo khoa học: Reversible tetramerization of human TK1 to the high catalytic efficient form is induced by pyrophosphate, in addition to tripolyphosphates, or high enzyme concentration ppt
... TK1. In the first crystal structure of TK1-type enzymes of human and myco- plasmic origin [14], the feedback inhibitor dTTP was bound in the substrate pocket, similar to the binding of dTTP to the ... triphosphate to the 5¢-hydroxyl group of thymidine, forming dTMP. Human TK1 is cytosolic and its activity is absent in resting cells, appears in late G 1 , increases...
Ngày tải lên: 18/02/2014, 12:20
Báo cáo khoa học: NMR investigations of subunit c of the ATP synthase from Propionigenium modestum in chloroform/methanol/water (4 : 4 : 1) pot
... subunit c is due to the interaction of the monomer with the artificial environment lacking the stabilizing protein/protein contacts within the ring. The undecameric c ring of the ATP synthase from ... structure in the cystoplasmic loop region was not apparent, and neither was there a break in the a helix after the sodium ion-binding Glu65 residue. The folding of s...
Ngày tải lên: 08/03/2014, 10:20
Báo cáo khoa học: Treatment with small interfering RNA affects the microRNA pathway and causes unspecific defects in zebrafish embryos doc
... the enzyme responsible for the last processing step of miRNAs, siRNAs are known to be assembled into effector complexes (siRISCs) containing Argonaute proteins as well as Dicer and other factors [3]. ... pre- miRNA processing by siRNAs competing for binding to Dicer, TRBP, and ⁄ or other limiting factors. How- ever, since our northern blot analysis did not reveal a concomitant inc...
Ngày tải lên: 16/03/2014, 06:20
Báo cáo khoa học: Protective effect of active oxygen scavengers on protein degradation and photochemical function in photosystem I submembrane fractions during light stress pdf
... to obtain a better insight into the photo-induced changes in PSI. The submembrane particles used con- tain all the components of PSI, including the cyto- chrome b6 ⁄ f complex and plastocyanin ... at chilling temper- ature, photoinhibition of PSI coincided with the damage of both reaction-center proteins, PsaA and PsaB, and the proteins PsaD and PsaE on the acceptor...
Ngày tải lên: 16/03/2014, 18:20
Báo cáo khoa học: A novel mass spectrometric approach to the analysis of hormonal peptides in extracts of mouse pancreatic islets ppt
... insulin 1 and 2 (b) and C-peptides 1 and 2 (c) signals. The most abundant pep- tides turned out to be those from proinsulin. Insulin 1and2 andC-peptide 1and2 were identified, while the other prominent ... fragmentation In order to detect less dominating peptides and to verify the identities of the components assigned by mass accuracy in the direct infusion experimen...
Ngày tải lên: 17/03/2014, 10:20
Báo cáo khoa học: Complement factor 5a receptor chimeras reveal the importance of lipid-facing residues in transport competence doc
... no detectable binding. To determine whether the decrease in binding affinity in the other chimeras was the result of protein instability and misfolding or was merely a byproduct of the localization ... inter- action of the calcitonin-receptor-like receptor and the receptor-activity modifying proteins to dictate the ligand specificity of the receptor [14]. Another pos...
Ngày tải lên: 23/03/2014, 04:21
Báo cáo khoa học: Detergent-resistant membrane fractions contribute to the total 1 H NMR-visible lipid signal in cell potx
... however, neither the choline headgroups of PtdCho and sphingomyelin (except for a small peak in THP-1) nor the sphingosine chain of sphingomyelin were visible in the NMR spectra of DRMs. In bilayer ... DRMs are rich in cholesterol and sphingolipids (including GM1 and GM3) and selectively retain a number of proteins including CD4, GPI-anchored proteins such as CD48 [11,12...
Ngày tải lên: 23/03/2014, 17:21
Báo cáo khoa học: Irreversible cross-linking of heme to the distal tryptophan of stromal ascorbate peroxidase in response to rapid inactivation by H2O2 ppt
... cross-linked to the APX apoprotein. Identification of the heme-binding amino-acid residue in H 2 O 2 -inactivated stromal APX To determine which amino-acid residue in the apopro- tein was cross-linked ... of the apoprotein of the catalytic site (Fig. 4B). Because the indole ring of Trp35 is 3.18 A ˚ from the porphyrin ring in tsAPX (the distance between nitrogen of th...
Ngày tải lên: 30/03/2014, 08:20