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Home » Speakers » Stephen Bell
Stephen Bell

Stephen Bell

Massachusetts Institute of Technology & Howard Hughes Medical Institute

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Dr. Bell is Professor of Biology at the Massachusetts Institute of Technology and an Investigator of the Howard Hughes Medical Institute.  His lab studies the assembly of multi-protein complexes called replisomes that are responsible for replicating eukaryotic chromosomal DNA, and the regulation of this process to ensure that each chromosome is accurately and completely replicated just once per cell cycle.

In recognition of his contributions to the field, Bell was awarded the National Academy of Sciences Award in Molecular Biology and the ASBMB/Schering-Plough Scientific Achievement Award. Bell has also received the MIT Everett Moore Baker Memorial Teaching Award and the School of Science Teaching Prize for Excellence in Undergraduate Education.  Bell is co-author of the popular Molecular Biology of the Gene textbook.  

Bell received his BA in biochemistry from Northwestern University and his PhD in biochemistry from the University of California, Berkeley where he worked with Robert Tjian. He was a post-doctoral fellow with Bruce Stillman at Cold Spring Harbor Laboratory before moving to MIT.

Learn more about Dr. Bell’s research here and here.

Talks with this Speaker

Mechanisms of Chromosomal DNA Replication

Stephen Bell explains how replication begins at the DNA replication fork, and describes how the multi-enzyme replisome identifies the correct site for the initiation of DNA replication. (Talk recorded in August 2016)

  • Part 1: Mechanisms of Chromosomal DNA Replication: The DNA Replication Fork
    Part 1: Mechanisms of Chromosomal DNA Replication: The DNA Replication Fork
    Audience:
    • Student
    • Researcher
    • Educators of H. School / Intro Undergrad
    • Educators of Adv. Undergrad / Grad
    Duration: 28:54
  • Part 2: Mechanisms of Chromosomal DNA Replication: Initiation of DNA Replication
    Part 2: Mechanisms of Chromosomal DNA Replication: Initiation of DNA Replication
    Audience:
    • Researcher
    • Educators of Adv. Undergrad / Grad
    Duration: 27:29
  • Part 3: Single-Molecule Studies of Eukaryotic DNA Replication
    Part 3: Single-Molecule Studies of Eukaryotic DNA Replication
    Audience:
    • Researcher
    • Educators of Adv. Undergrad / Grad
    Duration: 32:12

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This material is based upon work supported by the National Science Foundation and the National Institute of General Medical Sciences under Grant No. 2122350 and 1 R25 GM139147. Any opinion, finding, conclusion, or recommendation expressed in these videos are solely those of the speakers and do not necessarily represent the views of the Science Communication Lab/iBiology, the National Science Foundation, the National Institutes of Health, or other Science Communication Lab funders.

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