Báo cáo khoa học: A natural osmolyte trimethylamine N-oxide promotes assembly and bundling of the bacterial cell division protein, FtsZ and counteracts the denaturing effects of urea docx

... trimethylamine N-oxide promotes assembly and bundling of the bacterial cell division protein, FtsZ and counteracts the denaturing effects of urea Arnab Mukherjee, Manas K. Santra, Tushar K. Beuria and ... counteracting effects of two natural osmolytes namely TMAO and monoso- dium glutamate against the denaturing effects of urea on t...

Ngày tải lên: 30/03/2014, 16:20

... [6,8,27] or to any other sequences available in FASTA and BLAST database programs at the DNA Data Bank of Jap an. Recently, we reported the cloning and s equencing of the gene encoding 4-amino-3-hydroxybenzoate ... GC-MS analysis, and the determination of released ammonia. The coupled enzyme assay revealed the mechanism of the deamination reaction and the subse...

Ngày tải lên: 19/02/2014, 16:20

... redistributed from the ER membrane to form ‘punctae’ and aggregates near the plasma membrane [1,6]. The N-terminal region of STIM1 contains a canonical EF-hand motif and a pre- dicted SAM domain. Stathopulos ... refolding process may not guarantee the natural conformation of the EF-SAM region. Furthermore, as both the EF-hand motif and the SAM region have the p...

Ngày tải lên: 07/03/2014, 00:20

... solution was measured at 365 ⁄ 480 nm. The GSH content of the plasma was derived from the standard curve and the regression equation. The average recovery test was made using the standard addition ... processes such as transport, protein synthesis, catabolism and metabolism [1]. It can also protect cells against reactive oxygen species and help them maintain an adequate in...

Ngày tải lên: 07/03/2014, 05:20

... Pietra, and R. L. Mercer. 1993. The Mathematics of Statistical Ma- chine Translation: Parameter Estimation. Computa- tional Linguistics, V19(2). Callison-Burch, C. and C. Bannard. 2005. Paraphras- ing ... train data-driven machine translation sys- tems for a range of domains and language pairs. With a sharply increasing number of bilingual web sites, web mining for paral...

Ngày tải lên: 08/03/2014, 02:21

... 47th Annual Meet- ing of the Association for Computational Linguistics and the 4th International Joint Conference on Natu- ral Language Processing of the Asian Federation of Natural Language Processing ... fact that these events are not independent; the counts of one trigram can affect the probability of later ones, and moreover, the table assignment for the trig...

Ngày tải lên: 17/03/2014, 00:20

... the rate constants k A 0 and k B 0 .In fact, the catalytic proton enhances the rate dramatically both in the separated a and b chains, by a factor of more than 10 6 per mole for state A and state ... proton assistance [21,24], can account for most of the autoxidation reaction at acidic pH side. In the b chain, on the other hand, the remarkable stability is pr...

Ngày tải lên: 17/03/2014, 10:20

... TNF receptor-associated factors and activate nuclear factor kappaB. Mol Cell Biol 18, 558–565. 30 Oelmu ¨ ller R, Peskan-Bergho ¨ fer T, Shahollaria B, Trebickab A, Sherametia I & Varmac A (2005) MATH domain ... also in stipules and leaf hydathodes (Fig. 4A) . Rosette leaves showed staining within the vascular tissue at the end of the leaf blade, whereas the basal parts...

Ngày tải lên: 18/02/2014, 06:20

... of initial lag of catalysis are indicated by vertical dotted lines. The parallel nature of curves 1 and 2 indicate that, at steady state, the catalytic efficiencies of the two forms of epimerase ... epimerase; the flange at the middle of each lobe separates the epimerase (upper) and mutarotase (lower) domains of a monomer; the rectangular denting of the upp...

Ngày tải lên: 16/03/2014, 00:20

... dihydro- lipoate/lipoate ratio. Redox state of the complex-bound lipoate is an indicator of the availability of the reaction substrates (2-oxo acid, CoA and NAD + ) and thiol-disulfide status of the medium. ... overall reaction sub- strates (2-oxo acid, CoA and NAD + ) rather than thermodynamic equilibrium with cellular thiols. Another essential feature of the lipoate...

Ngày tải lên: 17/03/2014, 09:20