Báo cáo khoa học: "First observations on the root morphology and symbioses of 21 major tree species in the primary tropical rain forest of French Guyana" pps

... observations on the root morphology and symbioses of 21 major tree species in the primary tropical rain forest of French GuyanaM BéreauJ Garbaye1 INRA, Station de Recherches ... endomycorrhizas).DISCUSSION AND CONCLUSIONS The different tree species in the tropical rain forest of the French Guyana obviously dis-play a wide range of strategies in exploring the soil and ... after the apparition of the short root, close to the elongating tip of the long root. The mostspectacular diversity was found on Voua-capoua americana and on the 2...

Báo cáo khoa học: "Some observations on the adaptation of Eimeria tenella (local isolates) sporozoites on chicken embryos through chorioallantoic membrane" pot

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báo cáo khoa học: "Cytogenetic observations on a Robertsonian translocation in Saanen goats " potx

... medium as in the starting conditions, with the addition of 5’-BrdU(Sigma, 10-IM, final concentration) to induce RBA-banding. In order to reducechromosome contraction, 1 hour ... incidence of Robertsonian translocations in this breed, but many other questions arise, concerning the origin and the biological meaning of the centric fusions, which remain to ... literature. The increasing diffusion of the Saanen goat in the world and the lack of cytogene-tic screening of the imported-exported animals may account for the large incidence...

Báo cáo khoa học: Etoposide upregulates Bax-enhancing tumour necrosis factor-related apoptosis inducing ligand-mediated apoptosis in the human hepatocellular carcinoma cell line QGY-7703 pdf

... function of TRAIL containing the extracellular domain (amino acids 114–281) of the human liver cancer cell line, QGY-7703 [27], we treated the cells with increasing concentrations of TRAIL and thenanalysed ... the activation of caspases, such as procaspase-9 and caspase-3,by binding to the inhibitor of apoptosis proteins and thusdisrupts linkage of the caspase–inhibitor of apoptosisproteins complex during ... targetgenes of p53 include p21, Bax, DR4, DR5, DcRs and Bcl-2.Upregulation of p53, resulting in the enhanced expression of DR4 and/ or DR5 in some cancer cell lines, is believed to beone of the mechanisms...

Báo cáo khoa học: "A Note on Categorial Grammar, Disharmony and Permutation" doc

... if X =~ Z\Y then X =~ Z/Y and Y ~ Z\X then X Y =~ Z then Y X ::~ Z Permutation Closure of language L (PermL) PermL = { s [ s' in L and s is a permutation of s'} and L C_ PermL ... Proceedings of EACL '99 A Note on Categorial Grammar, Disharmony and Permutation Crit Cremers Leiden University, Department of General Linguistics P.O. box 9515, 2300 RA Leiden, The Netherlands ... or / and is conserved under composition. (Summarizing combinatory categorial grammar:) Fact 3 GenComp entails DishComp (and you need it for the famous crossing de- pendencies in Dutch,...

Báo cáo khoa học: "gelling agents on growth, mineral composition and naphthoquinone content of in vitro explants of hybrid walnut tree (Juglans regia x Juglans nigra)" pdf

... explantsgrowing on agar (fig 4).Naphthoquinone contentRegarding the content of hydrojuglone glu-coside and juglone in leaves, stem and callus, significant differences were found in ... the interface of the solidified medium and the basal part of the explants. These events could be adifferential diffusion behavior of excretedsubstances in the 2 gelling ... w3 h1a" alt="" Original articleEffects of gelling agents on growth,mineral composition and naphthoquinone content of in vitro explants of hybrid walnut tree (Juglans regia...

báo cáo khoa học: "Best linear unbiased prediction when error vector is correlated with other random vectors in the model" pptx

... S= .3ZI.T;, thenwith solutions In practice, B and B-’ may be difficult to construct depending on the definition of S. In such cases, the alternative equations (3.2) may ... exemple est donné qui illustre ces consid.,rations.Mots-clés : Prédiction linéaire, vecteurs corrélés.I. Introduction In mixed linear models, the covariances among the residual ... is the key to the solution. Computational difficulties depend on the structure of the covariancematrix. An example is used to illustrate the calculations.Key-words : linear...

Báo cáo khoa học: Cas utilizes Nck2 to activate Cdc42 and regulate cell polarization during cell migration in response to wound healing docx

... Golgi.Cells on the wound edge were divided equally into threesectors, including the front sector between the nucleus and the leading edge. The Golgi in the front sector was deter-mined to be in the ... trafﬁcking of Cdc42 to the leading edge of migrating cells. In addition to intracellular location, the effects of Cas on Cdc42 activation were also examined. A previ-ous study demonstrated the ... cells on the edge of the wound develop a polarized morphology [1]. Polarizedcells on the wound edge extend membrane protrusions and reorient the Golgi in the direction of migration[25]. Integrin-mediated...

báo cáo khoa học: " Drug choice, spatial distribution, HIV risk, and HIV prevalence among injection drug users in St. Petersburg, Russia" ppsx

... phenylpropranolamine (PPA). They causeamphetamine like effects with release of dopamine and serotonin and inhibition of dopamine and serotonintransporters after multiple administrations [11,12]. The stimulant ... Users.Results: Among Heroin Only Users, younger age, front/backloading of syringes, sharing cotton and cookers were all significant predictors of HIV infection. In contrast, sharing needles and rinse water ... syringe sharing. The risks specific to the other two groupsare common to the process of sharing drugs in preparation to injecting. Across the board, IDUs couldprofit from prevention education...

Báo cáo khoa học: " Comparative analysis between a low pathogenic and a high pathogenic influenza H5 hemagglutinin in cell entry" pptx

... study the HA protein of influenza A viruses at the entry level byincorporating the HA gene into HIV virion particles and using them for transduction to the target cells. Briefly,human embryonic ... patho-genic strains if they acquire the necessary amino acids tobe processed and activated by the substilin-like proteases.Competing interests The authors declare that they have no competing interests.Authors' ... contributionsERB, YG, JW, MC, and LR participated in the design of the study and drafted the manuscript. ERB, YG, and JW per-formed the experiments. All authors have read and approved the final...

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