Báo cáo y học: "Evolution of temporal order in living organisms" pot

... The DNA binding bHLH domain [59,62] and the protein-protein interacting PAS domain are highly conserved in organisms ranging from cyanobacteria to mammals [63]. The KaiA protein in cyanobacteria ... prey to gulls compared to those jumping during spe- cies-specific times of the day [13]. Thus, timing the jump- ing activity during evening hours, in synchrony with other juveniles resulte...

Ngày tải lên: 10/08/2014, 09:20

... lung injury by inducing expression of cytokines including tumor necrosis factor and IL-6 and IL-8 [149]. These cytokines may in turn stimulate the production of many inflammatory mediators, leading ... medial layer of the arteries, decreasing in inten- sity in the peripheral circulation [84,85]. ETB receptors are also found in the media of the pulmonary vessels, increasing in...

Ngày tải lên: 12/08/2014, 18:20

... tricarboxylic acid cycle, and the glyoxylate cycle by examining t he individual phylogenies of the 21 s ubunits comprising the 14 enzymes of these pathways as they occur in eukaryotes, speci®cally in higher plants. MATERIALS ... glyoxylate cycle are catalyzed by differentially compartmentalized isoenzymes, analogous to the chloro- plast cytosol isoenzymes involved in the Calvin cycl...

Ngày tải lên: 22/02/2014, 04:20

... University Berlin, Institute of Biology, Theoretical Biophysics, Berlin, Germany; 3 Humboldt University Berlin, Medical Faculty (Charite ´ ), Institute of Biochemistry, Berlin, Germany A computational ... use of it in a later phase of starvation. Increasing activity in the lower part of glycolysis (E 2 ) enhances the consumption of triose-phosphates and thus causes a rapid swi...

Ngày tải lên: 17/03/2014, 10:20

... hinder exchanges of information and the develop- ment of innovative ideas within the community. Finally, in the case of a virtual learning community, issues regard- ing privacy, user-friendliness ... specific trends of machine malfunctions through their frequent informal discussions and storytell- ing[33]. They eventually invented new ways to service the machines. Interestingly, ins...

Ngày tải lên: 11/08/2014, 05:21

... low density area may not be apparent. Some early signs of acute MCA infarction are loss of definition of the grey/white interface in the lateral margins of the insula, leading to loss of insular ... the area of infarct is seen as low density within the vascular territory involved. However, an immediate CT brain scan in acute middle cerebral artery (MCA) infarction may ini- tia...

Ngày tải lên: 11/08/2014, 23:21

... evolutionary forces underlying the evolution of this genotype in this region of the world. In order to gain insight into the degree of genetic variability, rates and patterns of evolution of this genotype ... null hypothesis that involves collapsing that branch but leaving the rest of the tree topology identical [42]. In order to gain insight into the evolutionary rate a...

Ngày tải lên: 12/08/2014, 02:20

... lymphoid tissue: correlation of CD4+ T cell depletion and virus syncytium-inducing/non-syn- cytium-inducing phenotype in histocultures inoculated with laboratory strains and patient isolates of ... multiplicity of infection of 0.01, washed and re-cultured in medium containing IL-2. Measurement of cytokine production Cytokine levels were measured using a multiplex bead array on a...

Ngày tải lên: 12/08/2014, 23:21

... HIV vaccine. In this study we aimed to identify key epitopes of HIV-1 Env involved in the broadly cross neutralizing capacity of patient ITM4. Plasma of this subtype CRF02_AG infected individual ... screened using M13 peptide phage display libraries in order to identify the epitopes that are potentially involved in the generation of ITM4's neutralizing responses against...

Ngày tải lên: 12/08/2014, 23:22

... evolution in any of the epitopes in either compartment over a 6 year period. In order to determine whether evolution was occur- ring in other r egions of the gene, phylogenetic analyses were ... However, in all four patients, we saw very few non-synonymous mutations and a comparable fre- quency of synonymous mutations in both genes. This analysis is technically challenging...

Ngày tải lên: 13/08/2014, 01:20