On Morphogenesis – Jennifer Zallen, Herbert Stern Lecture (10/20/11)

This lecture amazed me in particular because of the many parallels in the microbial physiology class – particularly, I recalled the lectures on polarity and how cells coordinate their actions together. Going from polarity, I was amazed by the structures which the cells created and the type of testing which was conducting. It reminded me with some research happening in the Bioengineering department in photonics, where lasers are used to trap sperm in order to measure their pushing force – here, lasers were used to determine the force with which these structures were assembled.  The applications of this basic science were also something I was very curious about, as this type of work could be used to better understand the processes by which cellular biomaterials can be developed to better direct/promote cell differentiation. Additionally, I was very impressed with the experimental techniques she utilized, and her methodology in determining the rosette structures and regulation of the creation of these.

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