Bio! News May 2012 – B

Bio! News

May 2012 – B

From Barve, et al., (2012).
In a recent publication, the extent at which a given metabolic reaction can be bypassed was analyzed. 124 reactions were identified as absolutely essential from a pool of many metabolic networks and the concept of “superessentiatility index” was introduced as a measure for the degree in which a reaction is essential.

From Buss, et al., (2012).
The size of the amygdala on children -a feature known to be related to emotional disorders- was found to be related to cortisol exposure during the first months of pregnancy. In that study, cortisol exposure -a natural hormone that is produced by our bodies as a stress response- during early life in girls was associated to a larger volume of the right amygdala and partially, to affective problems.

From Kleiner, et al., (2012).

A proteomics study of a deep sea worm and its microbioal symbionts has revealed rare pathways for energy and carbon utilization in this environment. 


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