In in vitro microtubule gliding assays, most kinesins drive the rotation of gliding microtubules around their longitudinal axes in a corkscrew motion. The corkscrewing pitch is smaller than the supertwisted protofilament pitch of microtubules, indicating that the corkscrewing pitch is
Volcanic and tectonic activities in conjunction with Quaternary climate are the main events that shaped the geographical distribution of genetic variation of many lineages. Poeciliopsis infans is the only poeciliid species that was able to colonize the temperate highlands of
The Journal of experimental biology, 223(Pt 5) (2020-01-29)
The way the unicellular, biflagellated, green alga Chlamydomonas orients upward has long been discussed in terms of both mechanics and physiology. In this study, we focus on the mechanics, i.e. the 'passive' mechanisms, of gravitaxis. To rotate the body upwards
American journal of physiology. Cell physiology, 296(4), C922-C929 (2009-01-23)
When skeletal muscle is stretched or injured, myogenic satellite cells are activated to enter the cell cycle. This process depends on nitric oxide (NO) production by NO synthase (NOS), matrix metalloproteinase activation, release of hepatocyte growth factor (HGF) from the
Proceedings of the National Academy of Sciences of the United States of America, 78(7), 4354-4357 (1981-07-01)
N-(6-Aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7) and its derivatives are putative calmodulin antagonists that bind to calmodulin and inhibit Ca2+/calmodulin-regulated enzyme activities. Autoradiographic studies using tritiated W-7 showed that this compound penetrates the cell membrane, is distributed mainly in the cytoplasm, and inhibits proliferation
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