báo cáo khoa học: " On the road to diploidization? Homoeolog loss in independently formed populations of the allopolyploid Tragopogon miscellus (Asteraceae)" pptx

... in Soltis et al. 2004; Symonds et al. in prep.). In this study, we examine ten populations of T. miscellus for 13 loci to investigate the fate of homoeologous loci in natural populations of Tragopogon ... population exists (in Tragopogon populations sampledFigure 1 Tragopogon populations sampled. Populations of Tragopogon sampled (boxed) in the United States and repre-sentative capitula of the diploid ... diploid individu-als as possible to screen for potential variation in the lociexamined. The number of populations and number of individuals from the diploid populations included in the study...

Báo cáo khoa học: "Relation between ecological conditions and fir decline in a sandstone region of the Vosges mountains (northeastern France) Anne-Laure Thomasa, Jean-Cl." potx

... function of texture, stoniness and thickness of the horizons ac-cording to [13].2.2. Analysis of the relationships between forestdamage and ecological conditions In order to study the effect of ... sites. The aims of this study were to: (1) analyse the rela-tionships between the distribution of ecological condi-tions and the condition of silver fir trees in the sandstoneVosges with the ... 2001)Abstract – The present study re-examines the influence of ecological conditions on the health of silver fir (Abies alba) measured in 1989, during the so-called forest decline crisis, in the sandstone...

Báo cáo khoa học: Copper-containing nitrite reductase fromPseudomonas chlororaphis DSM 50135 Evidence for modulation of the rate of intramolecular electron transfer through nitrite binding to the type 2 copper center pot

... straight lines, conﬁrming the applicability of the Nicholson and Shain theory to the present system, and the variation of the pseudo-ﬁrst order rate constant with CuNirconcentrations (between ... center, the proton of this hydrogenbond is transferred from the Asp98 residue to the oxygenatom of the substrate, yielding an O¼N–O–H intermediate. The N–O bond in this oxygen atom is then broken, ... yielding the product NO, whose release re-establishes the originalcoordination of the active center. HisB255 could be involved in the formation of additional hydrogen bonding, stabilizingthe...

báo cáo khoa học: "Hemolytic anemia due to acute cytomegalovirus infection in an immunocompetent adult: a case report and review of the literature" doc

... for conclu-sive answers regarding the specific treatment of hemoly-tic anemia due to CMV infection.ConsentWritten informed consent was obtained from the patientfor the publication of this ... evidence of the onset of hemolysis in patients with nega-tive Coombs test during CMV infection [5]. In our spe-cific case, the presence o f cold agglutinins may be apossible explanation for the onset ... justified.ConclusionsClinicians should consider CMV infection in the differ-ential diagnosis of hemolytic anemia in immunocompe-tent adults. The true incidence of this complication maybe underestimated,...

Tài liệu Báo cáo khoa học: High-afﬁnity ligand binding by wild-type/mutant heteromeric complexes of the mannose pptx

... results obtained in experimentswith the I ⁄ T mutation, suggesting that the ligand bind-ing functions of the receptor’s ectodomain can operate independently of one other within each receptor andrelative ... the I1572T mutation residing in the heart of the IGF-II binding domain in repeat 11 disruptsIGF-II binding to the receptor [22,31–33]. The ligandblotting data shown in Fig. 1C conﬁrm that the ... onemonomer interfere with IGF-II binding on the othermonomer? The present study aimed to test the hypothesisthat IGF-II binds independently to its binding sites on each receptor monomer, but...

Báo cáo khoa học: Saccharomyces cerevisiae Ybr004c and its human homologue are required for addition of the second mannose during glycosylphosphatidylinositol precursor assembly ppt

... prevented.These defects are a block in the incorporation of [3H]inositol into protein, consistent with abolition of GPI anchoring, and the accumulation of a PI-PLC-resistant, base-labile [3H]inositol-labeled ... deﬁnedgenetically in that at least one gene’s product has beenimplicated in all but one of the predicted reactions in the GPI pathway. The exception is the addition of the second mannose to the GPI core. ... weexamined the ability of Ybr004cp-depleted cells to incor-porate [3H]inositol into proteins. The ybr004cD-pGAL-YBR004c strain was grown and labeled with [3H]inositol in medium containing...

Báo cáo khoa học: 15-Deoxy D12,14-prostaglandin J2 suppresses transcription by promoter 3 of the human thromboxane A2 receptor gene through peroxisome proliferator-activated receptor c in human erythroleukemia cells ppt

... with the growing recognition of the importance of PPARc and its agonists in the regu-lation of those events. In addition, these data point to further differences in the modes of transcriptionalregulation ... largelyindependent of 15d-PGJ2stimulation.Examination of PPARc ⁄ RXRa interactions within the PPRE To further investigate the identity and speciﬁcity of the DNA ⁄ protein interactions within the ... 6–8,respectively). The ﬁdelity of PPARc:RXRa binding to the PPREwas further demonstrated by examining their binding to a c32P-labelled ds oligonucleotide spanning the )168 ⁄ )141 region of Prm3 in which...

Báo cáo khoa học: "ON FORMALISMS AND ANALYSIS, GENERATION AND SYNTHESIS IN MACHINE TRANSLATION" pptx

... the input to synthesis, may contain a mixture of the information. Some of this information are pertinent, namely the information associated to the level of transfer (in this case the semantic ... as the specifications for analysis), the synthesis phase has to be split into two subphases: the first phase has the role of transforming the input into a structure conforming to the one ... GRADE in the Mu-system, to linguistic formalisms like those of the Government and Binding theory and the Lexical Functional Grammar theory. Our interest lies mainly in their role in the domain...

Báo cáo khoa học: [Na+]i-induced c-Fos expression is not mediated by activation of the 5¢-promoter containing known transcriptional elements ppt

... The ﬁrsthypothesis contradicts our results, which showed com-plete inhibition of c-Fos mRNA accumulation in cellstreated with ouabain in the presence of actinomycin D,a potent inhibitor of ... extension of the 5¢-UTR from position ) 650 to ) 1264 did not lead to signiﬁcant elevation of the F-luc ⁄ R-luc ratio in ouabain-treated cells as compared to the controls(Table 3). The role of introns ... withregulation of the 5¢-UTR by transcription factors, geneactivation or silencing is under the complex control of three-dimensional positioning of genetic materials andchromatin in the nuclear...

Báo cáo khoa học: It’s cheap to be colorful Anthozoans show a slow turnover of GFP-like proteins potx

... coupled to the eyepiece of the microscope. To assess the in uence of the light intensity on photoconver-sion, different colonies of M. cavernosa growing underweak light conditions (photon ﬂux ... [27].Photoconversion offers a strategy to precisely andnoninvasively monitor protein degradation in the cell.Cells expressing one of these photoactivatable proteinsare irradiated with activating ... half-lives of green- to- red photoconvertible proteins in corals in order to obtain insights into GFP-like protein turnover in anthozoans. To this end, we ﬁrst had to verify thatgreen -to- red conversion...

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