báo cáo khoa học: " Apospory appears to accelerate onset of meiosis and sexual embryo sac formation in sorghum ovules" doc

... et al.: Apospory appears to accelerate onset of meiosis and sexual embryo sac formation in sorghum ovules. BMC PlantBiology 2011 11:9.Submit your next manuscript to BioMed Central and take ... related sexuals.For example in diplosporous species of Tripsacum L.[26,27] and Elymus L. [28], onset of 2n ES formation, relative to stage of ovule development, occurs prior to onset of meiosis in ... apomixis program in certain genotypesappeared to accelerate onset of reproduction, whetherapomictic or sexual. The present study adds onset o f meiosis and sexual ES formation to onset of the vegetative/floral...

Tài liệu Báo cáo khoa học: "THE EFFEC TO FEST ABLISHING COHERENCE ELLIPSIS AND ANAPHORA RESOLUTION" pdf

... the Netherlands, April 1993. (Klein, 1987) Ewan Klein. VP-Ellipsis in DR the- ory. In Groenindijk and Stokhof, editors, Studies in Discourse Representation Theory and the The- ory of Generalized ... factor involved in integrating propositional representations into the discourse model. Therefore, the analysis described herein only indicates tendencies, as opposed to pre- dicting cut -and- dry ... resultmeaning of and as opposed to the parallel one. Unfortunately, Ehrlich's original data was not available at the time of this writing so an analysis distinguishing between uses of and...

Tài liệu Báo cáo khoa học: "A Word-to-Word Model of Translational Equivalence" pptx

... produces a set of links between word tokens in the bitext. We define a link token to be an ordered pair of word tokens, one from each half of the bitext. A link type is an ordered pair of word types. ... the total number of co-occuring word token pairs: K = ~(u,v) k(u,v/, N = ~(~,v) n(u,v). By definition, A = KIN. (4) Equating the right-hand sides of Equations (3) and (4) and rearranging ... on information extrinsic to the model, providing an easy way to inte- grate pre-existing knowledge such as part- of- speech, dictionaries, word order, etc Our model can link word tokens in...

Báo cáo khoa học: Evolutionary changes to transthyretin: evolution of transthyretin biosynthesis doc

... trans-thyretins in terms of ligand preference and strength of binding. For this reason, it would be interesting to analyse the distribution of deiodinases in marsupials. In addition, the regulation of ... ensuring delivery of TH to the brain under condi-tions of potentially restricted iodine supply? Could thechange in ligand binding from T3 to T4 be also attrib-uted to increased storage of iodine ... syndrome [18]. In the light of reports of decreased transthyretin synthesis and secretion in thebrains of ageing mammals [45], the role of transthyretin in the ageing brain requires further investigation.Visceral...

$Báo cáo khoa học: Cellular refractoriness to the heat-stable enterotoxin peptide is associated with alterations in levels of the differentially glycosylated forms of guanylyl cyclase C pdf$

Báo cáo khoa học: Cellular refractoriness to the heat-stable enterotoxin peptide is associated with alterations in levels of the differentially glycosylated forms of guanylyl cyclase C pdf

... cyclase domain of the 145 kDa form uponligand binding leads to a conformational change, exposing asignal that promotes internalization and exposure of aubiquitination signal, leading to selective ... desensitization of these receptors. GC-A is phos-phorylated on six serine and threonine residues present in the protein kinase-like domain in the basal state [2].Mutation of any of these sites to alanine ... are involved in internalization as well asdegradation of proteins. N-Linked glycosylation of Edg-1,which is a G-protein-coupled receptor, is essential fortargeting the receptor to caveolin-rich...

Báo cáo khoa học: "Discriminative Strategies to Integrate Multiword Expression Recognition and Parsing" docx

... contain a single word insert that can beeasily integrated in the MWE sequence. Constant and Sigogne (2011) proposed to combine MWE seg-mentation and part -of- speech tagging into a singlesequence ... labelling task by assigning to each token atag of the form TAG+X where TAG is the part -of- speech (POS) of the lexical unit the token belongs to and X is either B (i.e. the token is at the beginning of ... 2005. Coarse -to- Fine n-Best Parsing and MaxEnt Discriminative Reranking.Proceedings of the 43rd Annual Meeting of the Asso-ciation for Computational Linguistics (ACL’05).M. Constant and A. Sigogne....

Báo cáo khoa học: Differential gene expression proﬁles of red and green forms of Perilla frutescens leading to comprehensive identiﬁcation of anthocyanin biosynthetic genes doc

... GST-like gene involved in vacuoletransport of anthocyanin rescued the lesion of anthocyanin accumulation in tt19, indicating a function of PfGST1 in vacuole sequestration of antho-cyanin in perilla. ... the insert wastransferred into a binary vector pGWB2 downstream of theCaMV35S promoter to give pGWB2–PfGST1 for planttransformation. The resulting binary vector pGWB2–PfGST1 was introduced into ... color of seeds and ﬂowers, and the involvement of these genes in seques-tration of anthocyanin and proanthocyanidin into vac-uoles has been experimentally proven. However, thequestions of whether...

Báo cáo khoa học: The )148 to )124 region of c-jun interacts with a positive regulatory factor in rat liver and enhances transcription Dipali Sharma*, Sujata Ohri and Aparna Dixit ppt

... (JNKs) and mitogen activated proteinkinases. JNKs phosphorylate the N terminus of the trans-acting domain of Jun, thereby increasing its transactiva-tion potency [13–16]. Inhibition of the ... nonspeciﬁc DNA showing thatit has a high binding afﬁnity enabling it to compete with thenonspeciﬁc DNA-binding proteins present in the extract.Regulatory proteins are known to bind to their speciﬁcrecognition ... binding protein that becomestotally inactivated within 15 min of heat treatment at 47 °C[34], junRP retains its DNA-binding activity, although at arelatively low level, even when the binding...

Báo cáo khoa học: Mitochondrial connection to the origin of the eukaryotic cell pdf

... fusion proteinwas recently shown to be imported into mitochondria of diatoms and oomycetes. Notwithstanding the sister rela-tionship of c proteobacteria and Eukarya, these data wereinterpreted ... presence of a characteristic insertion (indel) in theN-terminal quadrant of proteobacterial and eukaryotichomologs, which is lacking in Hsp70 of archaea and Gram-positive bacteria, as well as in ... the mitochondrial form, and MSH4 and MSH5 are speciﬁc to meiosis ([114] and references therein). Curiously, the MutS (MSH1) gene wasreported to persist in the mitochondrial genome of octocoralSarcophyton...

Báo cáo khoa học: "DETERMINISTIC LEFT TO RIGHT PARSING OF TREE ADJOINING LANGUAGES*" ppt

... bottom of a stack, s~ is the top element of the top stack, Sx is the bottom element of the top stack, tl is the top element of the bottom stack and tm is the bottom element of the bottom ... sequence of stacks to store states. The parsing table consists of three parts, a pars- ing action function ACTION and two goto functions GOTOright and GOTOloot. The program driving the LR ... determines the state i currently on top of the top stack and the current input token at. Then it consults the ACTION table entry for state i and token 3The need to use bottom-up version of...

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