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Avalanche of reactions at the origin of life19.01.2012 - The origin of life is seen as the formation of the first biomolecules capable of multiplication and further development. Until now it was unclear which reactions may have triggered the evolution of this ur-metabolism. Scientists at the Technische Universitaet Muenchen (TUM) have now revealed mechanisms by which a few biomolecules may bring forth new products in a kind of avalanche to initiate a self-expanding metabolism. „Chemistry – A European Journal“ now published their results.
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Energy saving chaperone Hsp9012.01.2012 - A special group of proteins, the so-called chaperones, helps other proteins to obtain their correct conformation. Until now scientists supposed that hydrolyzing ATP provides the energy for the large conformational changes of chaperone Hsp90. Now a research team from the Nanosystems Initiative Munich (NIM) could prove that Hsp90 utilizes thermal fluctuations as the driving force for its conformational changes. The renowned journal PNAS reports on their findings.
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Fish oil during pregnancy does not protect against excessive adipose tissue development04.01.2012 - Is obesity in infants “programmed” in the womb? Previously, researchers assumed that consumption of “bad” fats during pregnancy contribute to excessive infant adipose tissue growth and that “good” Omega 3 fatty acids prevent expansive adipose tissue development. An intervention study run by the Technische Universität München (TUM) showed no evidence to support this “perinatal programming” theory. Expectant mothers increased their intake of Omega 3 fatty acids with fish oil capsules and fish-based meals during pregnancy and breastfeeding. This intervention diet did not have any discernable effect on the fat mass of the offspring. At 12 months, the babies were as rotund or slim as the children in the control group.
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