Role of RNA directed DNA methylation in controlling genomic imprinting in arabidopsis thaliana

... to the silencing of maternal PHE1 and proper maintenance of the imprinted status of PHE1 in endosperm 26 2.4 Genomic imprinting and RNA- directed DNA methylation Maintenance of DNA methylation ... evolutionary origin of imprinting are still unclear but in plants, imprinting may be the consequence of global epigenetic reprogramming during sexual reproduction...

Ngày tải lên: 11/09/2015, 10:14

... only one of them was used in the analysis As we explained above, the choice of focusing on the ORF was dictated by the fact that the majority of the sequences in the database contain partial ... independent of the concurrent amino acid changes in the polymerase and NP genes, and independent of the codon usage bias In addition, human influenza A str...

Ngày tải lên: 14/08/2014, 21:20

... annotation mainly aims at the identification of protein coding genes within a genome, there is the possibility that non-coding antisense transcripts may be overlooked by currently trained gene finders ... repeat-containing protein - 006-301-C08 J013155K02 Rice DNA topoisomerase VIA PPR repeat-containing protein - At5g54270 Description - Chlorophyll A-B binding protein Myosin heavy cha...

Ngày tải lên: 14/08/2014, 14:21

... genes) Genome-wide profiling of H3K4me1, H3K4me2 and H3K4me3 Arabidopsis chromatin enriched for H3K4me was isolated by ChIP using antibodies that specifically recognize H3K4me1, H3K4me2 and H3K4me3 ... associated H3K4me: H3K4me1 only (me1+me2-me3-), H3K4me2 only H3K4me3 only (me1-me2-me3+), (me1-me2+me3-), H3K4me1 and H3K4me2 but no H3K4me3 (me1+me2+me3-), H3K4me1 and H3K4me3 bu...

Ngày tải lên: 14/08/2014, 21:20

... diseases DNA methylation has been implicated in gene regulation in multiple physiological systems This dissertation examines the role of DNA methylation in regulating the murine Lhx3 gene To determine ... further define both the interaction of the LHX3 C-terminus with the chromatin regulators, as well as regulation of the Lhx3 gene Epigenetics E...

Ngày tải lên: 24/08/2014, 09:47

... as: Ang et al.: Small interference RNA profiling reveals the essential role of human membrane trafficking genes in mediating the infectious entry of dengue virus Virology Journal 2010 7:24 Submit ... essential for mediating the infectious entry process of DENV into cells siRNA profiling of human membrane trafficking genes required...

Ngày tải lên: 12/08/2014, 04:21

... throughout the world bears little resemblance to teosinte, the original ancestor of corn The newer techniques involving genetic engineering, on the other hand, allow for the transfer of a few genes in ... Finally, the food and beverage industries hope that the next generation of GM products will deliver compelling consumer beneÞts THE FUTURE OF GENETICALLY MODIF...

Ngày tải lên: 25/10/2013, 21:20

... confirmed by Lin-54 binding to the CHR, cooperating with E2F4 binding to the CDE in EMSAs in vitro [86] ChIP experiments on the Cdc2 gene also provided insights into the association of other cell cycle ... proteins with the promoter E2F4 binding during the cell cycle coincides with the binding of p107 or p130 [61,85] Another E2F site distal to the E2F ⁄ CDE acts...

Ngày tải lên: 16/02/2014, 09:20

... activation of the glutaminase reaction and CTP synthesis was compared (Fig 5) In the absence of GTP, the rate of glutamine hydrolysis was signicantly higher than the rate of CTP synthesis so that the reactions ... (min) Fig Isothermal titration calorimetry of the glutaminase activity of L lactis CTP synthase (A) Enthalpogram showing the r...

Ngày tải lên: 21/02/2014, 15:20

... core tyrosinase domain [1] One proposed function of the C-terminal extension in plant and fungal polyphenol oxidases is a role in membrane binding, making them similar to the mammalian tyrosinases, ... three domains: a twin arginine translocase (TAT) signal peptide, a core domain containing the two copper-binding motifs and a C-terminal extension (Fig 1B)...

Ngày tải lên: 06/03/2014, 11:20

... innovation Small firms are the great innovators in some industries, while large firms are the great innovators in others Moreover, small and large businesses interact in innovative activity The ... businesses There is no clear evidence that small businesses are more effective innovators Further, the innovations of both small businesses and large busi...

Ngày tải lên: 06/03/2014, 19:20

... helix of the third cluster of CHCs is part of the inter-domain segment and the other helix lines the boundary between the major domain and the N-terminus (Fig 1) Therefore, the formation of the ... rather than functional role Role of hydrophobic contacts in serine hydroxymethyltransferase In the present study, the importance of the third hydrop...

Ngày tải lên: 07/03/2014, 03:20

... raise the possibility that GSK3 may help to coordinate increases in glucose uptake and glycogen synthesis allowing for more effective ÔchannellingÕ of glucose into glycogen in response to insulin ... Effects of insulin, Li and SB-415286 on signalling elements implicated in the regulation of GSK3 and GS To further understand the effects of Li and...

Ngày tải lên: 08/03/2014, 08:20

... when they did not understand the meaning of the questions in this section Each session took 30 including instructions at the beginning, the listening comprehension task, and completion of the ... placement in the IEP was determined on the basis of an in- house placement test of listening, reading, and writing skills (reliability coefficients for the list...

Ngày tải lên: 10/03/2014, 05:20

... upstream of the GAF domain are the potential ligands of the Fe-S cluster Consequently, the binding of the ATP analog and the subsequent rearrangement of the interdomain interaction affects the electronic ... with the reconstitution of Fe-S clusters in aerobically purified apo -VnfA support the presence of [Fe3S4]+ in VnfA To obtain further evidenc...

Ngày tải lên: 15/03/2014, 09:20