Takao Kondo

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Takao Kondo
Nationality Japanese
Fields Biology
Institutions Nagoya University
National Institute for Basic Biology
Alma mater Nagoya University
Known for Circadian clock
Notable awards Japan Academy Prize (2014)
Asahi Prize (2007)

Takao Kondo (近藤 孝男 Kondō Takao?, born 1948) is a Japanese biologist, and professor of biological science at Nagoya University in Nagoya, Japan. He is known for being the first to reconstitute the circadian clock in vitro.


Kondo was born in 1948 in Kariya, Aichi, Japan, and received his B.S. in 1970 and his Ph.D. in Biology in 1977 from Nagoya University.[1] He was appointed as an assistant professor at the National Institute for Basic Biology in Okazaki, Aichi, Japan in 1978, and returned to Nagoya University as a professor at the Graduate School of Science in 1995.[1]


Kondo discovered a gene cluster Kai ABC as a circadian feedback process in cyanobacteria in 1998,[2] before he succeeded in reconstituting the circadian oscillation of cyanobacterial Kai C phosphorylation in vitro in 2005.[3]



  1. ^ a b c d "生物時計のブラックボックスを開く" Biography of Dr. Takao Kondo (Japanese)
  2. ^ Ishiura M, Kutsuna S, Aoki S, Iwasaki H, Andersson CR, Tanabe A, Golden SS, Johnson CH, and Kondo T. (1998). "Expression of a gene cluster kaiABC as a circadian feedback process in cyanobacteria". Science 281 (5382): 1519–1523. doi:10.1126/science.281.5382.1519. PMID 9727980. 
  3. ^ Nakajima M, Imai K, Ito H, Nishiwaki T, Murayama Y, Iwasaki H, Oyama T, and Kondo T. (2005). "Reconstitution of circadian oscillation of cyanobacterial KaiC phosphorylation in vitro". Science 308: 414–415. doi:10.1126/science.1108451. PMID 15831759. 
  4. ^ "日本学士院賞に10人の研究者選ばれる" 10 recipients of the Japan Academy Prize (Japanese)

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