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 Roger Patient [ 2009-09-30 ] |
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Adult stem cells are made during embryonic development. Whether they retain stem cell properties from pluripotent embryonic stem cell precursors or develop the programme de novo is an interesting question. Either way, they somehow find a way to resist differentiation while all about them are differentiating. By studying how these cells develop we are hoping to gain some insight into how this control is effected. Very recently we have uncovered an evolutionary relationship between the precursors of the blood and vasculature, and the precursors of the heart. Specifically we have identified a ...
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| Keith T. Jones [ 2009-10-12 ] |
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Keith T. Jones is from University of Newcastle, Australia, as Professor and Chair in Human Physiology, and Co-Director of the University Priority Research Centre in Reproductive Biology. He managed a group of researchers with continual funding totaling nearly ￡1.5 million as Chief Investigator for 7 competitively funded external grants. His research team helped develop the use of Fluorescent Proteins to study the process of meiosis in real-time. This approach led to recent developments in the understanding of how the meiotic divisions are regulated.The Anaphase-Promoting Complex (APC) is a...
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| David L. Denlinger [ 2009-10-21 ] |
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Insect development is highly seasonal. Usually, only a few months each year are suitable for continuous development and reproduction. The remainder of the year (9-10 months in many cases) is spent in a form of developmental arrest referred to as diapause. The short daylength of early autumn is the dominant environmental cue regulating the onset of this developmental arrest. The diapause program initiates not only an arrest in development, but also metabolic suppression, conservation of water, storage of fat reserves, and elevated stress tolerance. This presentation will provide a brief over...
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| Zhijian 'James' Chen [ 2009-11-23 ] |
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Raised in a remote village in southern China, Zhijian "James" Chen earned an undergraduate degree in biology from Fujian Normal University. He earned a Ph.D. at the State University of New York at Buffalo.Now, after spending some time in industry, he has returned to academia at the University of Texas Southwestern Medical Center at Dallas. There he studies ubiquitin, a small protein. Chen has uncovered an unexpected second function for ubiquitin. In the course of studying the NF-κB pathway—a central player in immune and inflammatory responses—he found that ubiquitin also activates protei...
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