Báo cáo khoa học: "Histological investigation of the multiplication step in secondary somatic embryogenesis of Quercus robur L" pptx

... pathways. 3.2.1. Indirect secondary embryogenesis The initial evidence of indirect secondary embryogenesis consisted in cell divisions occurring within the cortical tissue (figure 2-1) that provoked the swelling ... potentials for germination and further growth [30, 47]. In order to optimize the multiplication step in one Q. robur embryogenic line, we investigate...

Ngày tải lên: 08/08/2014, 14:20

... bois initial / vaisseaux / variabilité Summary — Determination of the area of vessels in the earlywood of indigenous oaks in France (Quercus robur L, Quercus ... the control; in the juvenile wood of adult trees the individual effect and the cambial age of the tree are equally important, together they explain 67% of...

Ngày tải lên: 08/08/2014, 23:22

... Dmrt1, the ancestor of Dmrt1bY, is one of the downstream effec- tors of Sry in the male pathway. In medaka, the duplicated copy of dmrt1 has acquired an upstream position in the sex-determining cascade. ... well studied in the context of gonadal induction and main- tenance, illuminating its important function. But what about the other dmrt genes? Table 2 summar...

Ngày tải lên: 14/02/2014, 19:20

... behalf In this case, the binding should take place in two steps, the flagging of the need for a forward binding and the moving of the pointer from the antecedent, once detected, to the flag. ... concerns fragments of it. At any point of the process this structure contains the current hypothesis about the analysis of the parsed segment of the input...

Ngày tải lên: 24/03/2014, 05:21

... passed into the core of the injection site. These WGA-HRP labeled neurons were often observed in most of the BDA-labeled axons in the RF (Fig. 4). Retrograde labeling using WGA-HRP In all cases, the ... terminals within the Rgc in the pontomedullary junction, which were distinguished from the fibers by their location, morphology, and intensity of staining (Figs....

Ngày tải lên: 07/08/2014, 17:22

... from flushing buds on branches collected in winter and forced in the greenhouse later in the spring. DNA was also extracted from leaves of seedlings germinated in the greenhouse. ... 48 of Quercus petraea and 24 of Quercus robur. Seventy-one had the same genotype (with HindIII: variant 5.8 kb; with Cfol: variant 4.3-4.5 kb). A si...

Ngày tải lên: 08/08/2014, 19:21

... effective in clinical trials in cancer patients [72]. Therefore, understanding the detailed sig- naling mechanisms of the diverse and opposing func- tions of ERK1 ⁄ 2 is paramount for designing strategies that ... PH, Trzaskos JM & Feuerstein GZ (2003) Signifi- cant neuroprotection against ischemic brain injury by inhibition of the MEK1 protein kinase in mice: explora- ti...

Ngày tải lên: 29/03/2014, 08:20

... of linearity (the summation approach in Jarvis [33]) in the respective contributions of the sap flows of the dominant species in reconstituting the flow at the ecosystem ... The overall functioning of the ecosystem would therefore be the linear combination of each of its three compartments. The analyses that follow concern the...

Ngày tải lên: 09/08/2014, 04:20

... in a wide range of proteins, including other GHs (clans E, F and J) [3] and hemo- pexin [20]. The CD spectrum of the latter protein [21] is very similar to the one observed here; therefore, the unusual ... between the catalytic domain and the carbohydrate-binding module. Regions 725–739 and 764–782 of the Cel74A linker were not identified in the chymotryptic map and,...

Ngày tải lên: 19/02/2014, 05:20

... [L 0 ], the binding constant of the nucleotide can be determined from the slope of the linear plot of the apparent binding constants K app diss and [L 0 ]. With the ligand ATP, a binding constant K lig diss of ... that the rate-deter- mining step of our reaction is the slow ‘snapping‘ process of the domains to the intermediate I form with rate constant k 1 ....

Ngày tải lên: 07/03/2014, 00:20