The Biophysical Society of Japan annual meeting executive committee 2019
Green algae Chlamydomonas recognizes the direction of the light source by the eye point and exhibits phototaxis. The eye point performs highly directional photoreception by lining the photoreceptor on the cell membrane with a dye layer acting as a light reflector. We isolated a mutant that swims in the opposite direction to the wild type strain, and found that the cause was a defect in the pigment layer. The reason for swimming in the opposite direction was that the eye point that lost the pigment layer felt that the light collected by the lens effect through the cell was stronger than the light coming from the front and misidentified the direction of the light source. However reviewers said Chlamydomonas can never be a convex lens. We put the letter P (the acronym for photo) in the optical path of the microscope, and thought that it could be countered if the letter P was visible on the cell. The results are as you can see (Ueki, Ide et al., 2016 PNAS) Microscope: Olympus BX-53, Camera: Omron Sentec STC-MCA5MUSB3
著者名：Noriko Ueki(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;,Department of Biological Sciences, Graduate School of Science and Engineering, Chuo University, Tokyo 112-8551, Japan;) , Takahiro Ide(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;) , Shota Mochiji(Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan;) , Yuki Kobayashi(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;) , Ryutaro Tokutsu(Division of Environmental Photobiology, National Institute for Basic Biology, Okazaki 444-8585, Japan;,Department of Basic Biology, Faculty of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan;,Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Chiyoda-Ku, Tokyo 102-0076, Japan;) , Norikazu Ohnishi(Division of Environmental Photobiology, National Institute for Basic Biology, Okazaki 444-8585, Japan;) , Katsushi Yamaguchi(Functional Genomics Facility, National Institute for Basic Biology, Okazaki 444-8585, Japan;) , Shuji Shigenobu(Department of Basic Biology, Faculty of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan;,Functional Genomics Facility, National Institute for Basic Biology, Okazaki 444-8585, Japan;) , Kan Tanaka(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;,Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Chiyoda-Ku, Tokyo 102-0076, Japan;) , Jun Minagawa(Division of Environmental Photobiology, National Institute for Basic Biology, Okazaki 444-8585, Japan;,Department of Basic Biology, Faculty of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan;,Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Chiyoda-Ku, Tokyo 102-0076, Japan;) , Toru Hisabori(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;,Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Chiyoda-Ku, Tokyo 102-0076, Japan;) , Masafumi Hirono(Department of Frontier Bioscience, Hosei University, Tokyo 184-8584, Japan) , Ken-ichi Wakabayashi(Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan;)
雑誌名：Proceedings of the National Academy of Sciences
年月日：2016/4/28
(2019.10.28)
