# Osamu Shimomura

> Japanese organic chemist and marine biologist (1928–2018)

**Wikidata**: [Q205345](https://www.wikidata.org/wiki/Q205345)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Osamu_Shimomura)  
**Source**: https://4ort.xyz/entity/osamu-shimomura

## Summary
Osamu Shimomura was a Japanese organic chemist and marine biologist renowned for his discovery of green fluorescent protein (GFP), a breakthrough that revolutionized molecular biology and earned him the Nobel Prize in Chemistry in 2008. His work laid the foundation for modern bioimaging techniques, enabling scientists to visualize cellular processes in living organisms.

## Biography
- **Born**: August 27, 1928, in Kyoto, Japan
- **Nationality**: Japanese
- **Education**: Studied at Nagoya University (Bachelor's and PhD in organic chemistry)
- **Known for**: Discovery of green fluorescent protein (GFP) and its applications in bioimaging
- **Employer(s)**: Nagoya University, Boston University, Marine Biological Laboratory (Woods Hole)
- **Field(s)**: Organic chemistry, marine biology, biochemistry

## Contributions
Osamu Shimomura's most significant contribution was the discovery and characterization of green fluorescent protein (GFP) from the jellyfish *Aequorea victoria* in the 1960s. His research demonstrated that GFP could emit bright green fluorescence when exposed to ultraviolet light, a property that later became indispensable in molecular biology. This discovery enabled the development of GFP as a genetic marker, allowing scientists to track gene expression and protein localization in living cells. Shimomura also identified aequorin, a bioluminescent protein, and elucidated the chemical mechanisms underlying bioluminescence in marine organisms. His work has been cited in thousands of scientific papers and has applications in fields ranging from neuroscience to cancer research.

## FAQs
### What is Osamu Shimomura best known for?
Osamu Shimomura is best known for discovering green fluorescent protein (GFP) from the jellyfish *Aequorea victoria*, a breakthrough that earned him the Nobel Prize in Chemistry in 2008. His work enabled the use of GFP as a fluorescent marker in biological research.

### Where did Osamu Shimomura work?
Shimomura worked at Nagoya University in Japan, Boston University in the United States, and the Marine Biological Laboratory in Woods Hole, Massachusetts. These institutions provided the resources for his groundbreaking research on bioluminescence and GFP.

### What awards did Osamu Shimomura receive?
Shimomura received numerous accolades, including the Nobel Prize in Chemistry (2008), the Order of Culture (Japan), the Asahi Prize, and recognition as a Person of Cultural Merit in Japan. These awards highlight his contributions to science and society.

### How did Osamu Shimomura's discovery impact science?
Shimomura's discovery of GFP revolutionized molecular biology by providing a tool to visualize cellular processes in real time. This innovation has been used in countless studies, from tracking cancer cells to understanding neural activity, making it one of the most widely used techniques in modern biology.

## Why They Matter
Osamu Shimomura's discovery of GFP transformed biological research by providing a non-invasive way to observe cellular dynamics. Before GFP, scientists relied on invasive or indirect methods to study proteins and genes. Shimomura's work enabled the development of fluorescent imaging techniques that are now standard in laboratories worldwide. His contributions have accelerated progress in fields like genetics, neuroscience, and medicine, making him one of the most influential scientists of the 20th century.

## Notable For
- Discovering green fluorescent protein (GFP) and its applications in bioimaging
- Winning the Nobel Prize in Chemistry in 2008
- Identifying aequorin, a bioluminescent protein from jellyfish
- Receiving Japan's Order of Culture and Asahi Prize
- Pioneering research in marine bioluminescence and organic chemistry

## Body
### Early Life and Education
Osamu Shimomura was born on August 27, 1928, in Kyoto, Japan. He developed an early interest in chemistry and marine life, which led him to pursue a degree in organic chemistry at Nagoya University. He earned his PhD from the same institution, focusing his research on the chemical properties of marine organisms.

### Career and Research
Shimomura began his career at Nagoya University, where he conducted research on bioluminescent organisms. His work on the jellyfish *Aequorea victoria* led to the discovery of green fluorescent protein (GFP) in the 1960s. This protein, which emits green light when exposed to ultraviolet radiation, became a cornerstone of modern bioimaging techniques. Shimomura later joined Boston University and the Marine Biological Laboratory in Woods Hole, Massachusetts, where he continued his research on bioluminescence and marine chemistry.

### Discovery of GFP
Shimomura's most famous discovery was GFP, a protein that could be used as a fluorescent marker in biological research. His work demonstrated that GFP could be genetically engineered into other organisms, allowing scientists to track gene expression and protein localization in living cells. This innovation has been used in thousands of studies, from cancer research to neuroscience, and has become an essential tool in molecular biology.

### Awards and Recognition
In recognition of his groundbreaking work, Shimomura received the Nobel Prize in Chemistry in 2008, shared with Martin Chalfie and Roger Y. Tsien. He was also awarded Japan's Order of Culture and the Asahi Prize, among other honors. These accolades reflect his significant contributions to science and his impact on the field of molecular biology.

### Legacy
Osamu Shimomura's discovery of GFP has had a lasting impact on scientific research. His work enabled the development of fluorescent imaging techniques that are now standard in laboratories worldwide. By providing a non-invasive way to observe cellular processes, Shimomura's contributions have accelerated progress in genetics, neuroscience, and medicine, making him one of the most influential scientists of his time.

## References

1. [Source](https://www.nobelprize.org/prizes/chemistry/2008/summary/)
2. [Source](https://www.nobelprize.org/nobel_prizes/about/amounts/)
3. International Standard Name Identifier
4. Virtual International Authority File
5. National Diet Library
6. CiNii Research
7. NNDB
8. [Source](https://www.asahi.com/articles/ASLBP5QKDLBPULBJ005.html)
9. Encyclopædia Britannica Online
10. Croatian Encyclopedia
11. Munzinger Personen
12. Freebase Data Dumps. 2013
13. CONOR.SI
14. Library of Congress Control Number
15. LIBRIS. 2009