Báo cáo khoa học: "Biology and ecology of Elatophilus nigricornis Zetterstedt (Hemiptera Anthocoridae) predator of Matsucoccus feytaudi Ducasse (Homoptera Matsucoccidae) in the South-East of France" pot

... the beginning of March onwards, coincides with the appearance of the adults and the lay- ing of the pine scale which extends from the end of February / beginning of March to mid-April / end of May, ... a hypothesis con- cerning the behaviour of the laying females. According to this hypothesis, after being fertilised in the deep cracks of the trunk, they...

Ngày tải lên: 08/08/2014, 14:22

... define a core grammar portable to most user-advising situations, irrespec- tive of the domain. On the other hand, the complexity of referring expressions and the degree of completeness and ... from the users of avoiding certain types of un- grammaticalities. On the other hand, knowing the nature and frequency of the actual ungrammaticaiities produced by...

Ngày tải lên: 08/03/2014, 18:20

... substrates, including vincristine, require GSH for their transport and that vincristine inhibits the high affinity DNP-SG transport in the presence but not in the absence of GSH [12,45,46]. Thus the effect ... U noninh ; 1 ¼ n i ¼ 2 ð3Þ where I is the concentration of the inhibitor, IC 50 is the inhibitor concentration producing 50% inhibition of the inhibitable com...

Ngày tải lên: 23/03/2014, 21:20

... Bifidobacterium , immunopheno- typing, in vivo , survival rate Introduction The enhancement of the gut mucosal barrier may prevent the invasion of pathogens and assist in handling antigens. Lactic acid ... was shown in Table 4. Change of body weight in F9-bearing mice During administration of cytoplasmic fraction of LABs for 4 wks, F9 was inoculated into mice at 2 w...

Ngày tải lên: 07/08/2014, 17:22

... acid, arginine catabolism to NO and polyamines NG, aorta endothelial cells Low affinity transporter and arginase share the control of the fluxes through the pathways involving arginine as a precurser of nitric oxide and polyamines ODE ... computational modeling. Here, computational modeling does not refer to statistical models or models of data mining but rather to a mathemati...

Ngày tải lên: 14/02/2014, 14:20

... relieves silencing [110]. PARP-1 binds to chromatin by engag- ing each of the two strands of DNA at the point at which they exit from the nucleosome, thereby opposing the actions of transcriptional ... to promote GATA-1 binding to chromatin [244]. In some cases there is a clear hierar- chy in binding. Steroid receptors can bind to nucleo- somes and promote the binding o...

Ngày tải lên: 14/02/2014, 18:20

... repressing the indicated targets and presumably hundreds of other as yet unidentified targets. (B) miR-34a and the miR-34a-binding site in the 3¢ UTR of genes shown in (A). miRNAs and cell signaling ... fac- tor induced the expression of miR-221 and miR-222 in PC12 cells, and that this induction is dependent on sustained activation of the ERK1 ⁄ 2 pathway [20]...

Ngày tải lên: 14/02/2014, 19:20

... the K m values is attributable to the uracil moiety binding in the same fashion [38], which could trigger the initial binding of both substrates. In UpG, the binding of the guanine moiety is deterred by ... studies of the structure and binding sites of enzymes. 8. Inhibitor binding to ribonucleases. J Mol Biol 45, 491–511. 33 Ui N (1971) Isoelectric points and co...

Ngày tải lên: 14/02/2014, 22:20

... [1]. The transfer of phosphate can lead to phosphorylation of inosine, guanosine and a number of their analogues [2]. There- fore, in addition to being involved in regulation of purine intracellular ... 2 Study of cN-II crystallized in the presence of adeno- sine indicates that this nucleoside binds to this site, even though only the amino acid residues involved in...

Ngày tải lên: 15/02/2014, 01:20

... activity of PRTFDC1 towards hypoxanthine and guanine is only 0.26% and 0.09%, respectively, of the activity of HPRT, the role of the PRTFDC1 in purine metabolism remains unclear and it is uncertain ... side chain of Lys173 interacts with both O6 and N7 (Fig. 1C). The 2¢OH of the ribose is hydro- gen bonded to the main chain and the side chain of Asp142...

Ngày tải lên: 15/02/2014, 01:20