Global orchestration of gene expression by the biological clock of cyanobacteria Carl Hirschie Johnson pot

... of gene expression by the biological clock of cyanobacteria Carl Hirschie Johnson Address: Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA. E-mail: carl. h .johnson@ vanderbilt.edu Abstract Prokaryotic ... inserted into the cyanobacterial chromo- some [5]. Apparently the cyanobacterial clock controls gene expression glo...

Ngày tải lên: 09/08/2014, 20:20

... whether the disruption of cell–cell adhesion by Decma influenced expression of the uPA gene, we examined change in uPA mRNA levels. Northern blot analysis showed only barely detectable levels of uPA ... enhanced expression of the uPA gene and, to a lesser extent, of the MMP-9 gene (data not shown). Disruption of cell–cell adhesion by calcium chelation using eth...

Ngày tải lên: 19/02/2014, 05:20

... of lowering the interest rate according to the policy adopted by the Conference of Bankers at the beginning of the year, the State Bank preserved the status quo on the grounds that the inflation ... among the banks. Deposit side vs. Lending side: The utility package offered by the banks to the depositors mainly includes the interest rate, the qualit...

Ngày tải lên: 15/03/2014, 01:20

... may be seen clearly in the TEM images, the shape of the SnS NCs seems to be dependent on the nature of the stabilizing agents used in addition to the thermal conditions of the prepara- tion. Isotropic ... Values of the optical band gap for the samples were obtained by the extrapolation of the linear region of the plot of (ahv) 1/2 against photon energy...

Ngày tải lên: 22/06/2014, 22:20

... been applied most often for the fabrication of bulk SnS films [4–6, 8–14]. There have been a number of reports of syntheses of nanocrystalline SnS. SnS NCs have been prepared by the reaction of powdered ... may be seen clearly in the TEM images, the shape of the SnS NCs seems to be dependent on the nature of the stabilizing agents used in addition to the thermal...

Ngày tải lên: 22/06/2014, 22:20

... studies emphasize the crucial role played by post-transcrip- tional regulation in the control of gene expression. As each step of the RNA metabolism is tightly regulated, the regulation of mRNA export, ... 2497 ASF/SF2 down-regulates the expression of a reporter luciferase mRNA when tethered to the 3¢ UTR The function of ASF ⁄ SF2 in mRNA metabolism was further...

Ngày tải lên: 16/02/2014, 15:20

... some transcription factors, either at the level of their activa- tion (mainly by their ability to bind DNA) or at the level of their expression (mRNA or protein). In the lat- ter case, the specific responsive ... USF2 on the E box of the IGFBP-1 gene promoter was observed in the liver of rats fed a protein-free diet [36]. Similarly, decreased binding of the acti...

Ngày tải lên: 07/03/2014, 00:20

... the varying affinities and the nonvarying response of these agonists could be explained by the number of receptors to be occupied by these agonists to get activation of the second messenger cascade ... of SP are tolerated by the NK-1 receptor, the substitution of the flexible Gly by the even more flexible HGly causes a 30- to 40-fold decrease in affinity and bio...

Ngày tải lên: 08/03/2014, 08:20

... located at the interface of the N- and C-terminal domains of the monomer. The adenosine base of ATP is bound at the base of the left-handed b–a–b fold, where it interacts with a num- ber of residues ... catalyzes the transfer of the c-phosphate of ATP to mevalonate to form mevalonate 5-phosphate, an intermediate for the formation of isoprene units required fo...

Ngày tải lên: 16/03/2014, 06:20

... on studies of the effects of aggre- gated Ab in culture [19,20]. Iron is involved in the generation of ROS by cata- lyzing the production of OH • from hydrogen peroxide (H 2 O 2 ) via the Fenton ... as the relative luciferase units compared to the control. The level of CP2 expression in each group of cells was confirmed by Western blotting, an example of which...

Ngày tải lên: 23/03/2014, 03:20