Báo cáo khoa học: "Evidence of osmoregulation in Larix decidua at Alpine treeline and comparative responses to water availability of two co-occurring evergreen species" potx

... Furlanetto L.,Urbinati C., Carrer M., Tree water relations and climatic varia-tions at the alpine timberline: seasonal changes of sap flux and Osmoregulation in L. decidua 629shown that no osmoregulation ... Seasonalvariations in hydraulic resistance (R) for L. decidua, P. abies and P. cembra are shown below in (d).Original articleEvidence of osmoregulation in Larix decidua at Alpine treeline and comparative ... The main aim of the research was to assess the extent of osmoregulation in L. decidua and the compared responses to water availability of two co-occurring ever-green species. We concentrated...

Tài liệu Báo cáo khoa học: Aldehydes release zinc from proteins. A pathway from oxidative stress⁄lipid peroxidation to cellular functions of zinc pptx

... acetaldehyde and acrolein, is their reaction with the cysteine ligands of zinc sites in proteins and concomitant zinc release. Stoichiometric amounts of acrolein releasezinc from zinc–thiolate coordination ... [55],thus increasing lipid peroxidation and aldehyde con-centrations, releasing more zinc from proteins, and initiating a vicious cycle that will exacerbate zinc deﬁ-ciency and increase the toxicity ... levels of aldehydesaffect zinc metabolism and that zinc release and ensu-ing binding of zinc to other proteins is one aspect of the molecular actions of aldehydes that are generatedduring lipid...

Báo cáo khoa học: Starch-binding domains in the CBM45 family – low-afﬁnity domains from glucan, water dikinase and a-amylase involved in plastidial starch metabolism pptx

... demonstrated that both iso-lated single and double CBM45 domains from StGWDare capable of binding to starch, and that full-lengthAtAMY3 binds to starch both in vitro and in planta.Conclusion In ... 2011)doi:10.1111/j.1742-4658.2011.08043.xStarch-binding domains are noncatalytic carbohydrate-binding modulesthat mediate binding to granular starch. The starch-binding domains fromthe carbohydrate-binding module family ... carbohydrate-bind-ing module (CBM) known as a starch-binding domain(SBD) [3].CBMs are noncatalytic structural domains thatmediate the binding of proteins to polysaccharides,thus bringing the...

Báo cáo khoa học: G protein-coupled receptor 30 down-regulates cofactor expression and interferes with the transcriptional activity of glucocorticoid pdf

... established t he regulation of cofactor activity by membrane-initiated signaling. Indeed,regulation of GRIP1 and CBP coactivator activity bycytoplasmic Rho GDP-GDI leads to ER activation [36].Our ... for 20 min and denaturation at 95 °C for 30 s. Forty -two cycles of PCRwere carried out. The cycle included d enaturation at 95 °Cfor 1 s, annealing at 51 °C for 5 s and elongation at 72 °Cfor10 ... activation of protein kinase A (PKA) [10]. Indeed, TIF2-mediatedcoactivation of the nuclear receptor peroxisome prolifera-tor-activated receptor, liver X nuclear receptor and retinoidX receptor...

Tài liệu Báo cáo khoa học: Evidence that the assembly of the yeast cytochrome bc1 complex involves the formation of a large core structure in the inner mitochondrial membrane pdf

... c1, the two core proteins, Qcr7p and Qcr8p. We can also conclude that Qcr6p and Qcr9pare not required for Bcs1p binding and that the bind-ing of ISP and Qcr10p is subsequent to that of Bcs1p.Previous ... complexes of the mitochon-drial respiratory chain, the assistance of speciﬁcchaperone proteins is also required. The available dataindicate that the accessory factor Bcs1p is involved in the binding ... ﬂuoride] containing 1% digitonin(w ⁄ v) for 10 min at 0 °C. After a clarifying centrifugation at 20 000 g for 30 min (5810R centrifuge, F-45-30-11 rotor) to remove insoluble material, 2.5 lL of sample...

Báo cáo khoa học: Evidence for the presence of ferritin in plant mitochondria pdf

... ATPaseinhibitor), baﬁlomycin A1(tonoplast ATPase inhibitor) and molybdate (soluble phosphatase inhibitor), but stronglyinhibited by oligomycin (mitochondrial ATPase inhibitor). In addition, ... available to mitochondrial ferritin as it is to cytosolic ferritin [11].Ferritins are highly conserved p roteins consisting of largemultimeric shells that can store up to 4500 atoms of iron[12,13]. ... protein to be targeted to mitochondria(Table 3).The data presented in this paper strongly indicate amitochondrial localization for ferritins in P. sativum and A. thaliana and could be rationalized...

Báo cáo khoa học: Evidence of a new phosphoryl transfer system in nucleotide metabolism doc

... 5¢-nucleotidase, adenosine kinase and adenosine deaminase in tissues from vertebrates and invertebrates in relation to the control of the concentra-tion and the physiological role of adenosine. Biochem ... simulation. Using the MD trajectory, possiblechanges in AMP position and in the network of bondsbetween the AMP molecules and binding pockets wereexamined. In the case of rat MK, one of the two bound ... and NMR analysis of the incubation mix-ture at several points during the incubation indicatedthat no intermediate products were formed. In all cases,we observed a decrease in AMP concentration...

Báo cáo khoa học: "Within crown variation in hydraulic architecture in beech (Fagus sylvatica L): evidence for a stomatal control of xylem embolism" docx

... VPDin the shade thatinduces low transpiration.Therefore, sun-exposed branches are able to sustain ahigh climatic water demand andare able toresist to water deficit by maintaining xylem integrity ... tensions increase drasticallyfollowing the limitation of the soil water supply. Accli-mation of sun branches allows the tree to maintain suffi-cient stomatal conductance to maintain gas exchange at very ... tree was cut to limit disturbance in global CO2 and water fluxes [7, 8, 12].Stomatal control of embolism in Fagus 21When water stress increased, our measurements indi-cated that stomata closed...

Tài liệu Báo cáo khoa học: An alternative isomerohydrolase in the retinal Muller cells of a cone-dominant species doc

... substrate of RPE65 in the RPE isatRE [12]. To verify the substrate speciﬁcity of zebra-ﬁsh RPE65c, total cell lysates expressing RPE65c wereincubated with either atRE or atROL incorporatedinto ... was incubated with liposomes con-taining atRE (A), liposomes containing atRE in the presence of 1mM bipyridine (B) and liposomes containing atRE, in the presence of 1 mM bipyridine and 6 mM ... retinoid-binding proteins in vertebrate retina. J Cell Biol 97, 703–712.32 Bok D, Ong DE & Chytil F (1984) Immunocytochemi-cal localization of cellular retinol binding protein in therat...

Tài liệu Báo cáo khoa học: TEC family kinases in health and disease – loss-of-function of BTK and ITK and the gain-of-function fusions ITK–SYK and BTK–SYK pptx

... infectivity of HIV and also have anti -in ammatory activity. Since 2006, several patients carry-ing a fusion protein, originating from a translocation joining genes encodingthe kinases ITK and spleen ... that the combined inactivation of BTK and TEC in mice causes a phenotype resembling XLA,thus delineating species-speciﬁc redundancy. The R28Cmutation, which abolishes binding to activation-induced ... secondary to the strong in uence of prolineson peptide folding [21]. Thus, proline is a rigid aminoacid creating a ﬁxed kink in a protein chain.Similar to the situation in many other genes, CpGdinucleotides...

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