Dr K S Sibi. He has been awarded Ph D in Physics by the University of Kerala in May 2011. Dr Sibi was a Senior Research Fellow in the Department of Electron Microscopy, NIIST(CSIR), Thiruvananthapuram. Presently he is working as Assistant Professor, Govt College of Engineering,Thiruvananthapuram
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Time in Space May Alter Astronauts’ Genes
On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts lose bone density at 1-2% a month rather than the usual 1-2% a year on Earth. But the effects of gravity on cellular processes are less well understood. New research published in BioMed Central's open access journal BMC Genomics has used diamagnetic levitation to counteract the effects of gravity on the fruit fly (Drosophila melanogaster) and found that the expression of several genes was affected. This included genes involved in cell signalling, the immune system, response to stress and changes in temperature, such as the heat shock proteins.
Sir can I hav his contact details.
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