Báo cáo khoa học: "The use of formal language models in the typology of the morphology of Amerindian languages" potx

Báo cáo khoa học: Muramyl-dipeptide-induced mitochondrial proton leak in macrophages is associated with upregulation of uncoupling protein 2 and the production of reactive oxygen and reactive nitrogen species docx

... of induction of in ammatory responses [22].Despite a long-standing interest in the ﬁeld of mura-myl peptides, the impact of these molecules at the mitochondrial level has not yet been examined.Recently ... [28]. These ﬁndings agree with the hypothesis [29] that an increase in the mitochondrialmembrane potential would slow the transport of elec-trons through the respiratory chain, increasing the ... uncoupling [33].However, the role of mild uncoupling in the regulation of the response to MDP has not been elucidated.Thus, we aimed in the present study (a) to demonstrate the involvement of mitochondria...

Báo cáo khoa học: "The use of formal language models in the typology of the morphology of Amerindian languages" potx

... whatclass of formal languages is the natural for de-scribing the morphology of one particular lan-guage. On the other hand, the criteria of classi-fication of Amerindian languages, do not involvecomplexity ... somepreliminary results of an investigation in course on the typology of the morphol-ogy of the native South American lan-guages from the point of view of the for-mal language theory. With this object,we ... contrasting examples of de-scriptions of two Aboriginal languages fi-nite verb forms morphology: ArgentineanQuechua (quichua santiagueño) and Toba. The description of the morphology of the finite...

Tài liệu Báo cáo khoa học: An ecdysteroid-inducible insulin-like growth factor-like peptide regulates adult development of the silkmoth Bombyx mori docx

... suggesting that this peptide may alsoaffect the development of the wing disks at the prepu-pal stages. It is interesting to note that bombyxin-IIalso stimulated the growth of the wing disks in the butterﬂy ... butenhances the growth-promoting effect of 20E [32]. In the present study, BIGFLP stimulated BrdU incorpo-ration into the wing disk in the absence of 20E. How-ever, the observed synergistic effect of ... homologous peptides of BIG-FLP in the genomes of other insects on the basis of sequence homology, because amino acid sequences of insect ILPs are highly diverged between insect orders,except...

Tài liệu Báo cáo khoa học: A tyrosinase with an abnormally high tyrosine hydroxylase/dopa oxidase ratio Role of the seventh histidine and accessibility to the active site docx

... as shown in Fig. 7B.Binding of monophenols to resting met-tyrosinaseresults in the inactive dead-end complex, but binding of o-diphenols leads the enzyme to the oxy-tyrosinaseform, the active ... related to the presence or absence of a seventhhistidine, adjacent to the sixth histidine involved in copper binding. Preceding the sixth histidine(H3Baccording to the nomenclature used in [6]), ... that the most characteristic signatures in the sequences are present in both proteins, tyrosinases andcatechol oxidases; these include the six histidine resi-dues involved in the binding of a...

Tài liệu Báo cáo khoa học: A novel coupled enzyme assay reveals an enzyme responsible for the deamination of a chemically unstable intermediate in the metabolic pathway of 4-amino-3-hydroxybenzoic acid inBordetellasp. strain 10d doc

... enzyme The activity of the enzyme present in the crude extract of strain 10d that used 2 -amino-5-carboxymuconic 6-semi-aldehyde as substrate was measured by monitoring the increase in the absorbance ... analysis, and the determination of released ammonia. The coupled enzymeassay revealed the mechanism of the deamination reactionand the subsequent metabolism, including the deaminationstep. The product ... of the puriﬁed enzyme at 266 nm. The typicalprotein absorption p eak of 2 80 nm shifts to 265 nm if the protein contains a ﬂavin-type cofac tor [28]. We failed toidentify the cofactor of the...

Tài liệu Báo cáo khoa học: An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii pptx

... production of inter-leukins and secretion of immunoglobulins on the mucosal surface of the intestine [49,50]. The antibacte-rial defence of the intestinal mucosa depends in parton stimulation of CCK ... euge-nin, indicating that eugenin is indeed acting throughCCK2receptors.To further investigate the interaction of eugenin withCCK2receptors, we investigated the effect of eugeninon lymphocyte ... in mouse lymphocytes.Lymphocytes were exposed to increasing concentrations of euge-nin in the presence of the mitogen concanavalin A. Lymphocyteproliferation was measured by the increase in...

Tài liệu Báo cáo khoa học: "Using adaptor grammars to identify synergies in the unsupervised acquisition of linguistic structure" docx

... it gives us a way of learning theseinteracting linguistic structures simultaneously.Adaptor grammars are also interesting becausethey can be viewed as directly inferring linguisticstructure. ... terminal in the grammar. If Ais a terminal then GAis the distribution that puts all of its mass on the unit tree (i.e., tree consisting of asingle node) labeled A. If A is a nonterminal thenGAis ... parse of thatstring with a PCFG approximation to the adaptorgrammar. This PCFG contains a production for eachadapted subtree in the parses of the other strings in the training corpus. A ﬁnal...

Tài liệu Báo cáo khoa học: "STRING-TREE CORRESPONDENCE GRAMMAR: A DECLARATIVE GRAMMAR FORMALISM FOR DEFINING THE CORRESPONDENCE BETWEEN STRINGS OF TERMS AND TREE STRUCTURES" pdf

... SAINT-MARTIN-D'HERES FRANCE ABSTRACT The paper introduces a grammar formalism for defining the set of sentences in a language, a set of labeled trees (not the derivation trees of the ... substrings of the related sentence The characteristic of the linguistic approach is the design of the multilevel structures, while the grammar formalism is the tool (notation) for expressing these ... representation is defined as a mapping between elements of the set of substrings of the string and elements of the set of subtrees of the tree : such a relation is called a string- tree correspondence....

Báo cáo khoa học: Nuclear actin and actin-binding proteins in the regulation of transcription and gene expression docx

... that the RPEL domain of MRTF-A bindsactin more strongly than the RPEL domain of myocar-din, and that the RPEL motif itself is an actin-bindingelement. RPEL1 and RPEL2 of myocardin bind actinweakly ... asSTARS-interacting proteins. These novel proteins con-tain four LIM domains and a C-terminal villin head-piece domain, which mediates actin-binding in severalproteins, such as villin and dematin ... cell lines [94].Table 1. Role of nuclear actin-binding proteins interacting with the androgen receptor. AR, androgen receptor; LBD, ligand-binding domain.Actin-bindingproteinTargetingsequence...

Báo cáo khoa học: Caenorhabditis elegans metallothionein isoform speciﬁcity – metal binding abilities and the role of histidine in CeMT1 and CeMT2 potx

... noteworthy in view of their coordinative potential, CeMT1 includesfour histidines, whereas CeMT2 only has a terminalone. In the absence of a comprehensive analysis of the metal-binding abilities of ... retainedZn(II) ions. The discussion of the Cu(I) coordination behaviorbecomes more complex in view of the difﬁcultiesinvolved in calculating the exact Zn(II) and Cu(I) stoi-chiometry of the ... levelto be of the highest interest, in order to shed light on the possible physiological functions of MTs in thisorganism and to further the understanding of the forces driving MT isoform differentiation,...

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