Báo cáo khoa học: " Rôle de la nutrition minérale et de l’approvisionnement en eau sur la croissance du pin laricio de Corse dans l’ouest de la France" doc

... comparaison des valeurs desArticle original Rôle de la nutrition minérale et de l’approvisionnement en eau sur la croissance du pin laricio de Corse dans l’ouest de la FranceF ... le rôle de la nutrition minérale et des condi-tions d’approvisionnement local en eau sur la croissance radiale des arbres de peuple-ments adultes de pin laricio de Corse ... cadre de l’étude présentée ici. La qualité de la nutrition phosphoréedépend en grande partie de la disponibilité de cet élément au niveau du sol (tableauxV et VI). Cependant,...

Báo cáo khoa học: Role of disulﬁde bonds in goose-type lysozyme potx

... J, Jauregui-Adell J, Bernier I & Jolle`s P (1963) La structure chimique du lysozyme de blanc d’oeuf de poule: etude detailee. Biochim Biophys Acta 78, 668–689.3 Blake CCF, Koenig DF, Mair ... in a large devia-tion in DGH2O, due to a long extrapolation to 0 mdenaturant, and as the concentration of guanidinehydrochloride at the midpoint of the denaturation(Cm) is regarded as ... G-type lysozyme in an indepen-dent manner. The results also suggested that thereduced stabilities caused by deletion of one or bothof the disul de bonds are due mainly to entropiceffects. The...

Báo cáo khoa học: " Rôle d’Hylobius abietis (L) (Col, Curculionidae) dans le transport de Leptographium procerum (Kendr) Wingf et son inoculation au pin sylvestre" pps

... suite de morsures de maturation de l’insecte. Des inoculations de L procerum au niveau de larges blessures, pratiquées artificiellement sur des plants de pin sylvestre et imitant ... pales, entre 46 et 60%; P picivorus, entre 30 et 70%) et beaucoup moins fréquemment à partir du scolytide Dendroctonus valens. Lewis et Alexander (1986), dans des plantations ... présence de L procerum, isolé à partir de galeries de Pissodes pini prélevées sur Pinus sp en Su de. En Amérique du Nord, la présence simultanée de L procerum et de galeries...

Báo cáo khoa học: "Influence d’une fertilisation cuprique et phosphatée sur la croissance et la nutrition minérale du pin maritime (Pinus pinaster Soland in Ait) en sol sableux riche en matière organique" docx

... au sol(tableau IV). Cette augmentation s’effec-tue surtout en faveur des partiesaériennes et traduit un bon transfert de cetélément dans la plante. Dans cet essai, lephosphore ... l eau du sol. L’apport de doses croissantes de sulfate de cuivre n’augmente pas la teneur en cet élément dans les parties aériennes mais accroît celles en cuivre et en ... paraître a et b). Olden-kamp et Smilde (1966) avaient déjà mon-tré une interaction entre la richesse du sol en phosphore soluble à l eau et la nutrition en cuivre de Pseudotsuga...

Tài liệu Báo cáo khoa học: Role of Kupffer cells in pathogenesis of sepsis-induced drug metabolizing dysfunction pptx

... methoxyre-sourﬁn O-demethylase and pentoxyresourﬁn O-dealkylaseactivities, respectively, using the method previouslydescribed by Burke et al. [42]. Microsomal CYP2E1 activitywas determined by measurement ... GSSG was determined by thesame method in the presence of 2-vinylpyridine and reducedGSH was calculated from the difference between total glu-tathione and GSSG [39]. CYP content was calculated ... inﬂammation induced by Cit-robacter rodentium infection was mainly TLR4-inde-pendent because hepatic CYPs mRNA expression wassimilarly downregulated and cytokine mRNAs weresimilarly induced in...

Tài liệu Báo cáo khoa học: Role of the cag-pathogenicity island encoded type IV secretion system in Helicobacter pylori pathogenesis pptx

... (more details are also provided in Doc. S1).During the last two decades, the cellular and molecularmechanisms acquired by H. pylori to undermine hostdefences have been investigated intensively ... target genes such as IL-8 in a CagA phos-phorylation-independent manner, as discussed recently[26]. These data suggest the presence of distinctEPIYA-independent domains within CagA that playessential ... integrin b1. Injected CagA can then induce cascades as depicted in the panels below. (A) Highlighting a multitude of knownT4SS-dependent but CagA-independent pathways involved in the activation...

Tài liệu Báo cáo khoa học: Role for nectin-1 in herpes simplex virus 1 entry and spread in human retinal pigment epithelial cells docx

... D)[34–36] and latrunculin A (Lat A) [7]. Both can preventcytoskeletal changes by preventing actin polymerization.Cyto D and Lat A caused dose-dependent inhibition ofHSV-1 entry into RPE cells ... nectin-1CorrespondenceD. Shukla, Department of Ophthalmology &Visual Sciences, 1855 West Taylor Street(M ⁄ C648), Chicago, IL 60612, USAFax: +1 312 996 7773Tel: +1 312 355 0908E-mail: dshukla@uic.edu(Received ... (HSV-1) demonstrates a unique ability to infect avariety of host cell types. Retinal pigment epithelial (RPE) cells form theoutermost layer of the retina and provide a potential target for viral...

Tài liệu Báo cáo khoa học: Role of ceramide kinase in peroxisome proliferatoractivated receptor beta-induced cell survival of mouse keratinocytes ppt

... spontaneous cell-death pheno-type and accumulates Cer late in development [4]. InA549 human lung adenocarcinoma cells transfectedwith CERK siRNA, downregulation of CerKreduced cellular proliferation ... heterodimers with the retinoidX receptor (RXR) in a ligand-dependent manner.Together, these heterodimers regulate the expression oftarget genes by binding to their PPAR response ele-ments (PPREs) [6,7]. ... harlequinichthyosis, a genetic disorder in which the keratino-cytes carry abnormal lamellar granules [13]. In harle-quin ichthyosis, mutations have been identiﬁed in theABCA12 gene, which encodes a member...

Tài liệu Báo cáo khoa học: Role of receptor-mediated endocytosis, endosomal acidiﬁcation and cathepsin D in cholera toxin cytotoxicity pdf

... C-terminal KDEL endoplasmic reticulum (ER)retrieval signal [2].The intervening steps between CT binding andadenylate cyclase activation are not fully understood.There is a characteristic lag period ... concentrates within acidiccompartments and has been widely used to assessvacuolar H+-ATPase activity [14,15]. A time-dependentdecrease in ﬂuorescence intensity was observed withinhepatic endosomes ... addition of Laemmli sample buffer [54], andthis was followed by SDS ⁄ PAGE and autoradiography.Cell-free assay for ATP-dependent endosomalacidiﬁcationATP-dependent acidiﬁcation of isolated endosomes...

Tài liệu Báo cáo khoa học: Role of transcription factor activator protein 1 (AP1) in epidermal growth factor-mediated protection against apoptosis induced by a DNA-damaging agent doc

... & Rodeck U(2001) Epidermal growth factor receptor-dependent con-trol of keratinocyte survival and Bcl-xL expressionthrough a MEK-dependent pathway. J Biol Chem 276,6320–6326.20 Pugazhenthi ... dose-dependentmanner, and EGF markedly protected the cells againstthis DNA fragmentation when present at 10 or100 ngÆmL)1. The protective action of EGF against20 lm ADR was time dependent, ... (nrs) and then with32P-labeleddouble-stranded AP1 site oligomer as described in Experimentalprocedures. Complexes were separated by electrophoresis on anondenaturing 4% acrylamide gel and...

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