Báo cáo khoa học: From meiosis to postmeiotic events: The secrets of histone disappearance potx

... to histone hyperacetylation as a critical element in histone removal, they do not indicate how this removal of acety- lated histones is performed. Consideration of the histone code’ and of the ... nucleosomes Hyperacetylation Histone replacement by basic proteins Histone variants TPs - Prms Histone proteolysis Fig. 1. The secrets of histone disappearance in el...

Ngày tải lên: 29/03/2014, 08:20

... Kurumizaka H (2009) From meiosis to postmeiotic events: Uncovering the molecular roles of the meiosis- specific recombinase Dmc1. FEBS J 277, 590–598. 3 Loidl J (1990) The initiation of meiotic chromosome pairing: ... involved in the process of pairing: first, alignment of homologous chromosomes to bring them close to each other for recognition; and second, recogn...

Ngày tải lên: 29/03/2014, 08:20

... in the msh4 mutant. Altogether, these results add to the view that CO con- trol in meiosis is a key to enforcing the ‘obligatory’ CO per chromosome and, at the same time, it illus- trates the ... mutation of histone amino acids or histone- modifying enzymes. The replacement of histones during mammalian late spermatogenesis is reviewed by Gaucher et al. (this issue [11...

Ngày tải lên: 29/03/2014, 08:20

... hands Unscrew the top. Then draw the liquid into the dropper. Tilt your head back Hold the dropper above your nose. Then put the drops into your nostril. The dropper must not touch the inside. Keep ... tilted back for two to three minutes to help the drops run to the back of your nose. 8. Replace the top on the bottle. KEEP ALL MEDICINES OUT OF THE REA...

Ngày tải lên: 31/03/2014, 04:20

... confined to certain motor nuclei of the central nervous system (CNS). From the very beginning, these findings pointed to a possible neuromodulatory role for UII. The aim of this review is to provide ... Phylogenetic analysis of the receptor’s primary sequence shows stri- king similarities to the somatostatin receptor family, most notably in the transmembrane domains....

Ngày tải lên: 19/02/2014, 07:20

Ngày tải lên: 08/03/2014, 07:20

... com- plete match of the input with a stored instance ex- ists. In all other cases, the most similar tree from the instance base needs to be modified to match the chunked input. This means that the output tree ... architecture, with the output of each level serving as input for the next higher level. The first level is part -of- speech (POS) tagging of the input str...

Ngày tải lên: 17/03/2014, 07:20

... However, the humans and baseline 1 (lead baseline) did score in the upper range of 2 to 3 and all others had scores lower than 2.5. Some of the systems (including B2) fell into the range of 1 to ... assign a score of 4 to all, 3 to most, 2 to some, 1 to hardly any, and 0 to none. The value assignment is for convenience of computing averages, since it i...

Ngày tải lên: 17/03/2014, 08:20

... guideline is sim- ilar to (Clarke and Lapata, 2008). The annotators were asked to only remove words from the original sentence while preserving most of the important meanings, and make the compressed ... pos- sible. The annotators can leave the sentence uncom- pressed if they think no words need to be deleted; how- ever, they were not allowed to delete the entire sen...

Ngày tải lên: 23/03/2014, 17:20

... - The other approach is to maintain a bank of LRs, and rely on their LHSs to constrairi the application of the rules to only the appropriate cases; in practice, however, it is difficult to ... of the links in the lexicon to the ontol- ogy is critical to &apos ;the entire issue of LRs. Represen- tations of lexical meaning may be defined in terms of a...

Ngày tải lên: 23/03/2014, 20:21