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 Guyana M Béreau J Garbaye 1 INRA, Station de Recherches ... endomycorrhizas). DISCUSSION AND CONCLUSIONS The different tree species in the tropical rain forest of the French Guyana obviously dis- p...

Ngày tải lên: 08/08/2014, 19:21

Ngày tải lên: 07/08/2014, 18:21

... medium as in the starting conditions, with the addition of 5’-BrdU (Sigma, 10- I M, final concentration) to induce RBA-banding. In order to reduce chromosome 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 fus...

Ngày tải lên: 09/08/2014, 22:22

... 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 then analysed ... the activation of caspases, such as procaspase-9 and caspase-3, by binding to the inhibitor of apoptosis proteins and thus disrupts linkage of the caspase...

Ngày tải lên: 23/03/2014, 17:22

... 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 per- mutation 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...

Ngày tải lên: 24/03/2014, 03:20

... explants growing on agar (fig 4). Naphthoquinone content Regarding 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 a differential diffusion behavior of excreted subs...

Ngày tải lên: 08/08/2014, 23:22

... S= .3ZI.T;, then with 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...

Ngày tải lên: 09/08/2014, 22:23

... Golgi. Cells on the wound edge were divided equally into three sectors, 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 examin...

Ngày tải lên: 23/03/2014, 03:20

... phenylpropranolamine (PPA). They cause amphetamine like effects with release of dopamine and serotonin and inhibition of dopamine and serotonin transporters 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....

Ngày tải lên: 11/08/2014, 18:20

... study the HA protein of influenza A viruses at the entry level by incorporating 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 to be processed and activated by the substilin-like proteases. Competing interests The authors declare that they...

Ngày tải lên: 12/08/2014, 04:21