Báo cáo y học: "Reprogramming the epigenome during germline and seed development" ppt

... placenta. The endosperm is essentially a twin of the embryo except that it contains an extra copy of the maternal genome. Together, the endosperm and the embryo are the major components of seeds. The ... endosperm and embryo tissues from developing seeds and immuno precipitated methylated DNA from each sample with an anti-5-methylcytosine antibody. They then used Mi...

Ngày tải lên: 14/08/2014, 21:20

... chromosomes. The fidelity of chromosome transmission is enhanced not only by the geometry of stable centromere–MT interac- tions, but also by the action of a centromere-based regulatory system called the ... and SCC and the relationship between them. THENATUREOFCENTROMERIC CHROMATIN Centromeres are defined genetically by phenotypic or molecular markers [31] that always segregate a...

Ngày tải lên: 31/03/2014, 21:21

... the alteration in the circadian rhythm. For many thousands of years, the day and night cycles were harmonious with external cues: light, noise, and activity during the day; darkness, rest, and quietness ... a sympathetic nervous system that is persistently hyper- active but is hyporeactive to stress. This apparent paradox (sympathetic hyperactivity with hyporeactivity) neverth...

Ngày tải lên: 09/08/2014, 10:20

... flatworm-like acoels and nemertodermatids). Acoels were originally grouped within the phylum Platyhelminthes but have recently been placed at a key position at the base of the Bilateria on the basis ... analysis of the acoel miRNA repertoire and their corresponding expression patterns might help to further reveal how evolution at the base of the Bilateria took place an...

Ngày tải lên: 09/08/2014, 20:21

... activity patterns and test the null hypothesis that circadian activity patterns are the same regardless of apnea and BMI values. The alterna- tive hypothesis is that apnea, BMI, and/ or their interac- tion ... line). The confidence bands around the two group mean curves do not overlap during the day suggesting the variability in the group circadian activity patterns do...

Ngày tải lên: 10/08/2014, 09:20

... supports the hypothesis that FcγRIIB and IgG immune complexes may play a central role in the regulation of humoral responses, and that the defects in this system could contribute to the development ... IgG, and these receptors are diff erentially expressed by a variety of cells [3]. B cells, however, exclusively express FcγRIIB, an inhibitory receptor that binds IgG immune c...

Ngày tải lên: 12/08/2014, 14:22

... changes. This study evaluated changes in the IAP during VC and the LCR as indicated by the measurements of the mean and peak IAPs, and mathematical calculations of the area under the curve (AUC, ... involved in the study design and protocol. RO was involved in the data collection. MP per- formed the statistical analysis and was assisted by JW. JW analyzed the d...

Ngày tải lên: 13/08/2014, 08:20

... interests The author declares that she is one of the founders of the Andy Kaplan Prize. Acknowledgements The author recognizes the follow individuals for their support, endorse- ment, and other contributions ... Central yours — you keep the copyright Submit your manuscript here: http://www.biomedcentral.com/info/publishing_adv.asp BioMedcentral Retrovirology 2007, 4:3 http://ww...

Ngày tải lên: 13/08/2014, 09:20

... soon. Modelling the relationship between obesity and mental health in children and adolescents: findings from the Health Survey for England 2007 Child and Adolescent Psychiatry and Mental Health ... [11]. There are many plausible reasons why excess adiposity may be associated with poor psychological adjustment. These include: the impact of obesity on self-esteem and social...

Ngày tải lên: 13/08/2014, 18:22

... commentary was that by simply trying to minimize the heterogeneity in ventila- tion, it is not possible to know whether one is reducing the ‘good’ heterogeneity (due to lung anatomy and gravity) ... of the total variance attributed to the ventral-dorsal axis probably increases due to the extra heterogeneity (the ‘bad’ heterogeneity) caused by diff erent degrees of lung collap...

Ngày tải lên: 13/08/2014, 21:21