Synchronization of Cell Cycles
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==Group II== | ==Group II== | ||
Revision as of 11:11, 30 October 2006
Contents |
Group II
Aim
We are interested in synthetically synchronizing cell cycles.
Approach
Constructs
In our genetic construct, we have used Pcya (adenylate cyclase promoter-that is known to oscillate in cell cycle dependant manner) as a core oscillator.
Testing oscillations
LuxI tagged with cfp(+LVA) is expressed from this promoter.LuxI oscillations will result in AI(autoinducer) oscillations and this would result in oscillations of AI dependant promoter. YFP is expressed from such a promoter. CFP expression is readout for the core oscillator-Pcya and YFP is readout of the expression of the quorum sensing promoter-Plux.
Y axis is the mean cfp fluorescence of a cell. X-axis is a correlate of cell cycle phase.Here, we have used cell length as a crude correlate for cell cycle phase.The same data is platted twice for visual representation of oscillation. RFP expression is control.
Y axis is the mean yfp fluorescence of a cell. X-axis is major axis length of a cell which is a correlate of cell cycle phase.
--Sugat 06:49, 8 July 2006 (EDT)
