báo cáo khoa học: " Development-dependent changes in the tig

báo cáo khoa học: " Development-dependent changes in the tight DNA-protein complexes of barley on chromosome and gene level" pot

... distribution of transcription factor binding sites along the genes and transcription factor binding modules were revealed. Compar- ison of the predicted MAR with the TBP binding sites in the Bmy1 gene ... degradation of TBPs could be one of the mechanisms of the promoter inactivation. Interest- ingly in the dormant Bmy 1gene the 300 bp region upstream the...

Ngày tải lên : 12/08/2014, 03:20

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Tài liệu Báo cáo khoa học: Adaptive changes in the expression of nuclear and mitochondrial encoded subunits of cytochrome c oxidase and the catalytic activity during hypoxia pptx

... CytOX gene expression and its activity are secondary to suppression of respiration during hypoxia. In the absence of differential regulation of a speciﬁc nuclear gene coding for the subunits of ... regulation of both the nuclear and mitochondrial genes coding for the CytOX enzyme complex. These results are also consistent with a coordinated up or down regulation o...

Ngày tải lên : 20/02/2014, 23:20

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Báo cáo khoa học: Local changes in the catalytic site of mammalian histidine decarboxylase can affect its global conformation and stability pptx

... suggest that the conformational change involves alterations in the environ- ment of the aromatic amino acid residues of the protein. Resistance of the different conformational states to thermal denaturation Results ... suggestions by Pauling in 1948 and the later formulation of the induced-ﬁt hypothesis by Koshland, it is well established that the interactions be...

Ngày tải lên : 08/03/2014, 08:20

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báo cáo khoa học: " Transcriptome changes in the phenylpropanoid pathway of Glycine max in response to Pseudomonas syringae infection" ppsx

... family and exhibit tissue compartmental- ized expression of the isoflavonoid pathway leading to the synthesis of isoflavones in the roots and cotyledons and an inducible isoflavonoid-phytoalexins ... by the corresponding genes function upstream of CHS, and CCR, CAD, COMT and CCoAMT drive the synthesis of lignin. In contrast, transcripts of genes encoding en...

Ngày tải lên : 12/08/2014, 05:20

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Tài liệu Báo cáo khoa học: Proton transfer in the oxidative half-reaction of pentaerythritol tetranitrate reductase Structure of the reduced enzyme-progesterone complex and the roles of residues Tyr186, His181 and His184 pdf

... unreactive conformation. Rescue of the unreactive conformation involves release of steroid and re-binding in the reactive conformation. In the second model, the steroid ﬂips its conformation from the ... productive binding of steroid substrates: in the ﬁrst, a (small) sub population of enzyme binds directly the steroid in the reactive conformation, with th...

Ngày tải lên : 20/02/2014, 02:21

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Báo cáo khoa học: Structural features in the C-terminal region of the Sinorhizobium meliloti RmInt1 group II intron-encoded protein contribute to its maturase and intron ppt

... for protein interactions with the high-afﬁnity binding site in subdomain DIVa of the intron, whereas other regions of the RT and domain X interact with con- served catalytic core regions [12]. Domain ... mutations in the C-terminal region of the RmInt1 IEP on intron mobility To test the retrohoming ability of the RmInt1 C-terminal mutants, mobility assays were...

Ngày tải lên : 15/03/2014, 09:20

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Báo cáo khoa học: Identiﬁcation in the yeast Pichia stipitis of the ﬁrst L-rhamnose-1-dehydrogenase gene docx

... was done by compar- ing the results of the SDS ⁄ PAGE that was done after the zymogram staining with those of the SDS ⁄ PAGE of the active fractions after the DEAE column and correlating them ... either at the N-terminus or at the C-terminus. To introduce the histidine-tag at the N-terminus, we introduced a coding sequence for MHHHHHHGG before the original start...

Ngày tải lên : 30/03/2014, 04:20

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Báo cáo hóa học: "Dynamic changes in cellular infiltrates with repeated cutaneous vaccination: a histologic and immunophenotypic analysis" pot

... negative effects on induction of Th1/Tc1 responses at the vaccination site. These included evidence of an early Th2 dominant microenvironment, with subsequent accumulation of eosinophils and FoxP3 + T-cells. ... immune response at the vaccination site and in t he peripheral blood is currently underway. Conclusions Despite the induction of CD4 + and CD8 + T-cell respons...

Ngày tải lên : 18/06/2014, 16:20

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Tài liệu Báo cáo khoa học: Nuclear receptors in the mosquito Aedes aegypti Annotation, hormonal regulation and expression proﬁling ppt

... lack of ﬂuctuation in the protein levels of AaEcR and AaUSP isoforms during vitellogenesis [13], suggest a lack of signiﬁcant transcriptional and translational regulation of the two components that ... during vitellogenesis. Indeed, the analysis of the upstream region of the gene encoding AaHR3 has revealed the presence of two regions rich in putative b...

Ngày tải lên : 18/02/2014, 13:20

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Tài liệu Báo cáo khoa học: Electrostatic contacts in the activator protein-1 coiled coil enhance stability predominantly by decreasing the unfolding rate docx

... Fra1 and Fra2) were synthesized for analysis, extending the number of interactions from 10 to 45, permitting a rigid interpretation in distinguish- ing interacting from noninteracting proteins. One Fig. ... constant for the ﬁrst folding transition at a given peptide concentration, k f2 is the rate constant associated with the second folding transition, and t is time. In...

Ngày tải lên : 18/02/2014, 13:20

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