Báo cáo khoa học: Oxygen control of nif gene expression in Klebsiella pneumoniae depends on NifL reduction at the cytoplasmic membrane by electrons derived from the reduced quinone pool doc

... FEBS 2003 Oxygen control of nif gene expression in Klebsiella pneumoniae depends on NifL reduction at the cytoplasmic membrane by electrons derived from the reduced quinone pool Roman Grabbe ... by reduction of the FAD-cofactor by electrons derived from the reduced quinone pool, generated by anaerobic respiration,that favours membrane association of NifL. We furtherhypothesize that the quinol /quinone ... the possibility of an additional oxidoreduc-tase system mediating electrons from the reduced quinone pool onto NifL. The reduced conformation of the NifL protein favours membrane association...

Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

... the positive control of the ATP in ⁄ADP in ratio by ATP synthesis and the negative control by the proton leak. The negative control of the ATP in ⁄ADP in ratio by the ANT increased by 100% and ... of the reduction in Jp, 68% of the increase in Dw, 88% of the increase in the ATP in ⁄ ADP in ratio, and 69% of the reduction in the ATPout⁄ ADPoutratio. The exceptionwas the QH2⁄ Q ratio, ... Jo, 68% of the decrease in Jp, 56% of the increase in the QH2⁄ Qratio, 70% of the increase in Dw, 72% of the increase in the ATP in ⁄ ADP in ratio, and 59% of the decrease in the ATPout⁄...

Báo cáo khoa học: "Integrated Control of Chart Items for Error Repair" doc

... inconsistent. Consider the sentence I saw a pregnant man. The theme slot of SEE satisfies its restriction. However, the filler concept of the theme slot is inconsistent. In CHAPTER, the ... processing at present supports interpretation of only a single verbal (or verb phrasal) adjuncts. For example, the template of the verb GO allows either a temporal or destination adjunct at present ... than second among the repairs suggested, then it is counted under 'other repairs' in Table 1. In the case of the NED data, the 'other repairs' include 11 cases of incorrect...

Báo cáo khoa học: Enzymatic control of anhydrobiosis-related accumulation of trehalose in the sleeping chironomid, Polypedilum vanderplanki pdf

... lL of pro-tein extract, were incubated at 30 °C for 30 min, monitoring the change in A340that depends on NADH oxidation. In the case of samples from in vitro transcription and translation,1.2 ... veriﬁed the involvement of the glyoxylate cycle. Neither the expression of PvGpmRNA nor the activity of GP was elevated on desicca-tion (Figs 2A and 6A), indicating that PvGP is notinvolved in the ... FEBS 4219tion. The incubation of PvTREH with trehaloseresulted in the production of glucose, indicating thatPvTREH functions as TREH by hydrolysis of the a-1,1-glycosidic bond in trehalose...

Tài liệu Báo cáo khoa học: Molecular aspects of rheumatoid arthritis: chemokines in the joints of patients pdf

... in am-matory disease that occurs in about 1% of the popula-tion. The in ammatory process is characterized by in ltration of in ammatory cells into the joints, leadingto the proliferation of ... chemokines and chemokinereceptors [2]. Chemokines are small, chemoattractantcytokines that play key roles in the accumulation of in ammatory cells at the site of in ammation. There-fore, chemokines ... regulated mainly by TNF-a. The role of chemokines in RA pathogenesis The chemokines listed above are implicated in RApathogenesis via the recruitment and retention of leu-kocytes in the joints....

Tài liệu Báo cáo khoa học: Electrostatic role of aromatic ring stacking in the pH-sensitive modulation of a chymotrypsin-type serine protease, Achromobacter protease I pdf

... a single peak at 37 °C (Fig. 4). The dataindicate that the split signals were originated by the oneproton, His57 Nd1-Asp113 Oc2, i.e. at high temperature, the interchange rate of the proton ... pH-activity curve of API The pH-activity proﬁles depending on NaCl concentrationwere determined as part of the investigation into the shielding from solvent of the electrostatic interactionbetween ... thisprotease at pH9 [10]. Further interest in the aromaticstacking is in the role of the electrostatic properties in enzymatic catalysis of API, and in distinguishing the functionally catalytic quadruple...

Tài liệu Báo cáo khoa học: "Some Uses of Higher-Order Logic in Computational Linguistics" pdf

... structures that makes the determination of function values through unification a reasonable computational op- eration. The provision of function variables and higher-order unification has several ... the type of functions which map individuals to individuals, and (i * i) * o denotes the type of functions from that domain to the booleans. In reading such expressions we use the convention ... predicate variables is similar to the use of apply and lambda terms in Lisp: A-contraction followed by the goal invocation sim- ulates the apply operation in the Prolog context. However, the...

Báo cáo khoa học: Comprehensive interaction of dicalcin with annexins in frog olfactory and respiratory cilia pdf

... aprotinin, 5 lgÆmL)1;bestatin, 40 lgÆmL)1) was present at the indicated ﬁnal con-centrations during the preparation of the above fraction.Afﬁnity puriﬁcation of binding proteins of dicalcinA ... localizations and the effect of dicalcin on the activities of these annexins by measur-ing liposome aggregation.ResultsPuriﬁcation of binding proteins of dicalcinBinding proteins of dicalcin were searched ... that the speciﬁcity of binding of dicalcin to annexins is not so strict. From the above considerations, we speculate that the binding between annexins and dicalcin occurs via the interaction...

Báo cáo khoa học: Identiﬁcation of tyrosine-phosphorylation sites in the nuclear membrane protein emerin pot

... ‘P’ indicates identiﬁedtyrosine-phosphorylation sites. (B) Schematic representation of the binding interactions mapped onto the emerin structure. Black linesindicate the different phosphorylation ... conduction defects [19,21]. On the cellularlevel, EDMD is characterized by a mislocalization of emerin that is caused by the loss of emerin binding tolamin A (X- linked form) or by the loss of lamin ... Scheme for the identiﬁcation of emerin phos-phorylation sites. HeLa cells were grown in two different popula-tions, one in normal medium and the other in medium containingarginine and lysine labeled...

Báo cáo khoa học: Two types of replication protein A in seed plants Characterization of their functions in vitro and in vivo ppt

... experiment, the indicated pro-teins were incubated together in NaCl ⁄ Picontaining 250 mM NaCl at 4 °C for 1 h, and then incubated with Talon beads. The amount of protein present in the fraction bound ... also in DNA recombination in the ears. On the other hand,based on the high expression of OsRPA70b in activelydividing tissues [24,25], OsRPA70b may function in DNA repair and DNA replication. In ... of the OsRPA32 and OsRPA14 interac-tion. The interaction of OsRPA70b and OsRPA32yielded about 75% of the relative activity of the OsRPA32 and OsRPA14 interaction. The controls(interaction...

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