Difference between revisions of "Tal Danino, Jan 2011"

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Revision as of 20:37, 24 January 2011

Tal Danino will be visiting Caltech on 26 Jan 2011 (Wed). Sign up for a time to meet with him below.


10:00   Richard Murray, 109 Steele
10:45   Elisa Franco
11:30   Frances Arnold
12:00p   Lunchtime seminar, 214 Steele
1:30p   Niles Pierce, Broad
2:00p   Rob Phillips, Broad
2:30p   Open
3:00p   CDS tea
3:45p   Jongmin Kim
4:30p   Ophelia


Synthetic gene oscillators and their applications

Wednesday, 26 January 2011
12:00, 114 Steele (library)

The engineering of genetic circuits with predictive functionality in living cells represents a defining focus of the expanding field of synthetic biology. This focus was elegantly set in motion a decade ago with the design and construction of a genetic toggle switch and an oscillator, with subsequent highlights that have included circuits capable of pattern generation, noise shaping, edge detection and event counting. Here we describe an engineered gene network with global intercellular coupling that is capable of generating synchronized oscillations in a growing population of cells. Using microfluidic devices tailored for cellular populations at differing length scales, we investigate the collective synchronization properties along with spatiotemporal waves occurring at millimetre scales. We use computational modelling to describe quantitatively the period and amplitude of bulk oscillations. In addition to the work on the synchronized clock, we will discuss studies on synthetic gene oscillators using a high-throughput microfluidic platform that facilitates automated tracking in single-cells. We will describe the use of this device to chemically drive synthetic gene oscillators (analogous to the way circadian systems are driven by light) as well investigation into coupling of additional circuits to oscillators.