Ibrahim Cissé (academic) facts for kids
Quick facts for kids
Ibrahim I. Cissé
|
|
|---|---|
 |
|
| Born | |
| Alma mater | North Carolina Central University University of Illinois at Urbana–Champaign |
| Known for | super-resolution imaging |
| Awards | MacArthur Fellow |
| Scientific career | |
| Institutions | Caltech MIT École normale supérieure (Paris) Max Planck Institute |
Ibrahim I. Cissé is a scientist from Niger and America. He is a biophysicist, which means he studies how physics helps us understand living things. He is currently the director at the Max Planck Institute of Immunobiology and Epigenetics. Before this, Professor Cissé taught physics at the California Institute of Technology and both physics and biology at the Massachusetts Institute of Technology. He has received many important awards for his amazing work, including the MacArthur Fellowship in 2021.
Professor Cissé's research focuses on seeing tiny things inside living cells. He uses special cameras and microscopes to watch molecules in action. This is called super-resolution imaging. He also studies single molecules to understand how they work.
Contents
Early Life and Education
Ibrahim Cissé was born in Niamey, Niger. When he was a child, he thought he would follow in his father's footsteps and work in law. However, he became very interested in science after watching Hollywood movies.
In Niamey, it was hard to practice science because his school did not have a laboratory. He really wanted to study in America. He finished high school two years early and moved to the United States when he was 17.
College and Early Research
Cissé studied physics at the North Carolina Central University. He graduated in 2004. During his studies, a professor named Carl Wieman encouraged him to apply for a special program. This led him to spend a summer at Princeton University. There, he worked on a project about how things pack together.
He studied how M&M's candies arrange themselves in a small space with scientist Paul Chaikin. Cissé tried different ways to study this, even using magnetic resonance imaging. But in the end, he found a simpler method. He painted the M&M's and watched how many times they bumped into each other. This interesting research was published in the famous journal Science.
Graduate Studies and Discoveries
After college, Cissé moved to Urbana for his advanced studies. He earned his PhD in 2009 from the University of Illinois at Urbana–Champaign. His supervisor was Taekjip Ha, a scientist who studies single molecules.
After getting his doctorate, Cissé went to Paris, France. He worked at the École Normale Supérieure. He was a special fellow working with a physicist, Maxime Dahan, and a biologist, Xavier Darzacq. He also had a fellowship from the European Molecular Biology Organization.
In Paris, Cissé helped create a new way to use microscopes called time-correlated photoactivated localization microscopy (tcPALM). This allowed him to measure things happening inside single cells over time. He used this method to show that RNA polymerase II forms groups that break apart after they finish their job. Before Cissé's discovery, scientists thought these groups of RNA polymerases were stable.
Research and Career
In 2013, Cissé returned to America. He became a research specialist at the Howard Hughes Medical Institute at the Janelia Research Campus. In 2014, he joined the physics department at Massachusetts Institute of Technology (MIT).
Understanding Gene Activation
At MIT, Professor Cissé used super-resolution microscopy to understand how genes are turned on and off. Genes are like instructions in our bodies. When a gene is "turned on," its information is copied into molecules called RNA. This copying process involves a special enzyme called RNA polymerase.
Cissé used his special microscopy technique to show that how long an RNA polymerase group stays together affects how many RNA messages are sent from a gene. He found that groups of almost 100 RNA polymerases form for about 10 seconds near active genes.
He studied protein molecules in mouse embryonic stem cells. To do this, he attached tiny glowing tags to the proteins. Then, he watched them with his powerful microscope. His work showed that the proteins involved in turning on genes gather into a special droplet before they start copying DNA into RNA.
Recent Achievements
On September 8, 2020, the Vilcek Foundation announced that Cissé would receive a 2021 Vilcek Prize for Creative Promise in Biomedical Science. This award recognized his use of super-resolution imaging to see how genes work in living cells.
In 2020, Cissé was given tenure at Massachusetts Institute of Technology. This means he became a permanent professor there.
In early 2021, Cissé became a Professor of Physics at the California Institute of Technology (Caltech). Later that same year, he became a director at the Max Planck Institute of Immunobiology and Epigenetics. At Max Planck, he started his own lab, called the Laboratory Ibrahim Cissé. His lab's main goal is to study exactly what happens when genes are switched on inside living cells. They use advanced imaging tools to do this.
Awards and Honors
- 2022 Honoree by the Carnegie Corporation of New York's Great Immigrant Award
- 2021 MacArthur Fellowship
- 2021 Vilcek Prize for Creative Promise in Biomedical Science
- 2018 Science News SN10: Scientists to Watch
- 2017 Biophysical Society Horiba Young Fluorescence Investigator Award
- 2017 Pew Scholar in Biomedical Sciences
- 2014 National Institutes of Health New Innovator Award
