Bio Bytes 31: The structure and functions of p53 with Carol Prives

03/19/23 • 47 min

Description: In which Sophia speaks with Carol Prives, the Da Costa Professor of Cell and Molecular Biology at Columbia University and a member of both the National Academy of Sciences and the American Academy of Arts and Sciences, about her journey researching the structure and function of the p53 tumor suppressor protein. She delves into the importance and regulation of p53, including its relationship with kinases, Mdm2, and the Mevalonate pathway.

Editorial Note: During the discussion regarding the mevalonate pathway, the listener should note that genes in this pathway had reduced expression when mutant p53 levels were reduced. Pathway genes, themselves, were not mutated.

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Bio Bytes 30: Neurotransmitters as Post-translational Modifications with Ian Maze

In which Ian Maze, professor of Neuroscience and Pharmacological science in the Icahn School of Medicine at Mount Sinai and an investigator of the Howard Hughes Medical Institute, and Vaibhav discuss the intersection of chromatin biochemistry and neuroscience. Ian describes the diverse mechanistic functions of neurotransmitters, especially as they pertain to modifying histones and other proteins. He also describes Mount Sinai's Center for Neural Epigenome Engineering, of which he is the inaugural director, and provides advice for young scientists.

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Bio Bytes 32: Applications of GFP and touch receptor neuron (TRN) development and function with Martin Chalfie

In which Martin Chalfie, a professor of Biological Sciences at Columbia University and Nobel laureate recognized for his contribution to the development of green fluorescent protein (GFP), and Sophia discuss the applications of GFP and his current research on the development and function of touch receptor neurons (TRNs) using the nematode Caenorhabditis elegans. Dr. Chalfie highlights the versatility of GFP as a tool for studying biological processes, including the development and function of neurons. He explains the regulation of TRNs by transcription factors and transduction channels and how studying their development and function can provide insights into sensory perception.