Báo cáo khoa học: Vitamin C Biosynthesis, recycling and degradation in mammals doc

... typhimurium, and Klebsiellapneumoniae), but also in Lactobacillales (Enterococcusfaecium, Streptococcus agalactiae, Streptococcus pneu-moniae, Streptococcus pyogenes, and Streptococcusuberis) and in ... CraneFL (1988) Cell surface glycoconjugates control theactivity of the NADH-ascorbate free radical reductase Vitamin C metabolism and recycling in mammals C. L. Linster and E. Van Schaftingen20 FEBS ... Schaftingen Vitamin C metabolism and recycling in mammals FEBS Journal 274 (2007) 1–22 ª 2006 The Authors Journal compilation ª 2006 FEBS 19REVIEW ARTICLE Vitamin C Biosynthesis, recycling and degradation...

Báo cáo khoa học: Accessory proteins functioning selectively and pleiotropically in the biosynthesis of [NiFe] hydrogenases in Thiocapsa roseopersicina docx

... E. coli: ampicillin (100), kanamycin (25), tetra-cyclin (20); for T. roseopersicina: kanamycin (25), strepto-mycin (5), gentamycin (5).ConjugationThe conjugation was carried out as described ... were incubated in anaerobicjars using the AnaeroCult (Merck) system for two weeks.Escherichia coli strains were maintained on LB-agar plates.Antibiotics were used in the following concentrations(lgÆmL)1): ... a complex maturationprocess, including the incorporation of metal ions (Fe, Ni) and CO and CN ligands in the active centre, the orientationof the Fe–S clusters within the small subunit, and...

Tài liệu Báo cáo khoa học: Consequences of COP9 signalosome and 26S proteasome interaction doc

... addition, theCSN is associated with a deubiquitinating enzyme calledUbp12 in the ﬁssion yeast Schizosaccharomyces pombe[20], which counteracts autocatalytic degradation ofcomponents of cullin-based ... FEBSwell as recombinant CSN2, another substrate of CSNassociated kinases [25], were phosphorylated in acurcumin-sensitive manner; curcumin being a typicalinhibitor of CSN associated kinases [10,26].To ... has consequences for the complex integration ofthe chimerical CSN2-Rpn6 protein. The cDNA enco-ding the ﬁrst 343 amino acids of human CSN2 and thePCI domain of human Rpn6 (Rpn6 amino acids...

Báo cáo khoa học: "Some Comments on Algorithm and Grammar in the Automatic Parsing of Natural Languages" ppt

... very common in English and include many of the frequently cited instances of nesting. The second consideration is that the determination of external functioning by context searching is ... in which only the internal structure of a given construc- tion is taken into account; a context-sensitive one is one in which both the internal structure and the external functioning are ... are taken into account. This view fol- lows from the conception that internal structure and external functioning are two separate, related, but not identical, functional characteristics of the...

Báo cáo khoa học: "Bayesian Inference for Zodiac and Other Homophonic Ciphers" docx

... with deterministic key constraints. Corlett and Penn (2010) work with large ciphertexts con-taining thousands of characters and provide anotherexact decipherment method using an A* search al-gorithm. ... improvement in decipher-ment accuracy over EM on the homophonic cipherwith spaces. We observe that the word+3-gram LMproves highly effective when tackling more complexciphers and cracks the Zodiac-408 ... focused on solvingsimple substitution ciphers. But there are variantsof substitution ciphers, such as homophonic ciphers,which display increasing levels of difﬁculty and present signiﬁcant challenges...

Báo cáo khoa học: "The Modulation of Cooperation and Emotion in Dialogue: The REC Corpus" pdf

... min-utes of audiovisual and psychophysiological re-cordings (electrocardiogram and derived heart rate value, and skin conductance). Our goal is reaching 12 recordings in the confederate condi-tion. ... linguistic choices to successfully fulfill Map Task. The idea of evaluating utterance choices in rela-tion to task success can be traced back to Ander-son and Boyle (1994) who linked utterance choic-es ... REC Corpus Federica Cavicchio Mind and Brain Center/ Corso Bettini 31, 38068 Rovereto (Tn) Italy federica.cavicchio@unitn.it Abstract In this paper we describe the Rovereto Emotive Corpus...

Báo cáo khoa học: Kinetics of enzyme acylation and deacylation in the penicillin acylase-catalyzed synthesis of b-lactam antibiotics pptx

... eﬀect.Penicillin acylase (PA) (EC 3.5.1.11) of Escherichia coliATCC 11105 hydrolyses penicillin G to produce phenyl-acetic acid and 6-aminopenicillanic acid (6-APA). The lattercompound can be used industrially ... acid;NIPGB,D-2-nitro-5-[(phenylglycyl)amino]-benzoic acid; 6-APA,6-aminopenicillanic acid; 7-ADCA, 7-aminodesacetoxycephalospo-ranic acid; PGA,D-phenylglycinamide; PAA, phenylacetic acid amide;NIPAOB, 2-nitro-5-phenylacetoxy-benzoic acid; ... penicillin acylase. The kcatvalues for phenylacetic acidmethyl ester and phenylacetic acid ethyl ester were onlyslightly lower than the kcatof NIPAOB, indicating thatincreasing the reactivity...

Báo cáo khoa học: Peroxisomes as dynamic organelles: peroxisome abundance in yeast docx

... present and functional in other yeastspecies, including H. polymorpha. The ﬁnding thatH. polymorpha Inp2 interacted with Myo2 points to aconserved function for this protein as a binding factorfor ... unusual carbon and nitrogen sources, such as oleic acid, methanol, d-amino acids and purines [2]. Upon transfer of glucose-grown yeast cells to media containing these com-pounds, the number and ... dynamics in cultured mammalian cells. Traf c 10,1722–1733.18 Yan M, Rachubinski DA, Joshi S, Rachubinski RA &Subramani S (2008) Dysferlin domain-containing pro-teins, Pex30p and Pex31p, localized...

Báo cáo khoa học: "A Pilot Study of Opinion Summarization in Conversations" docx

... domains, including news articles, scienti c articles, web documents, reviews. Recently thereis an increasing research interest in speech sum-marization, such as conversational telephone speech(Zhu ... usingspeech speci c information, including prosodic fea-tures, dialog structure, and speech recognition con-ﬁdence. In order to provide a summary over opinions, weneed to ﬁnd out which utterances in ... news articles, scienti c articles, and speech do-mains including broadcast news, meetings, conver-sations and lectures. However, opinion summariza-tion has not been explored much. This can be...

Báo cáo khoa học: "Transfer Learning, Feature Selection and Word Sense Disambguation" doc

... selected and l is the complement of k, i.e. thenumber of times the ithfeature is not selected in the training data. In light of above, the coding scheme, which in- corporates the prior information ... Proceedings of the ACL-IJCNLP 2009 Conference Short Papers, pages 257–260,Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLPTransfer Learning, Feature Selection and Word Sense ... following coding schemes:Coding Scheme for SE:The term SErepresents the cost of coding theresidual errors given the models and can be writtenas:SE= − log(P (y|w, x))∆SErepresents the increase...

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