Tal Danino, Jan 2011

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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, pick up in 109 Steele
11:30   Frances Arnold, 228B Spalding
12:00p   Lunchtime seminar, 214 Steele
1:30p   Niles Pierce, 165 Broad
2:00p   Rob Phillips, 155 Broad
2:30p   Marcella Gomez, pick up in Broad
3:00p   CDS tea
3:45p   Jongmin Kim, meet at CDS tea
4:30p   Ophelia, meet in Steele library
5:15p   Wrap up with Richard, 109 Steele


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.