Academic Staff
スクリーンショット 2023-03-06 9.19.36

Dr. Sakai, Shoko

Associate Professor

Plant Ecology, Social-ecological Systems

AAB 1234
(852) 3411 7188
(852) 3411 5990


  • Ph.D., Biological Science, Graduate School of Science, Kyoto University, Japan.
  • M.S., Animal Science, Graduate School of Science, Kyoto University, Japan.
  • B.S., Faculty of Science, Kyoto University, Japan.



  • Director, The Ecological Society of Japan (2022-)
  • Editorial Board Member: Evolutionary Ecology (2020-)
  • Councilor, Japan Society for Tropical Ecology (2022-)



  • Plant-animal interactions
  • Microbes in plant reproduction
  • Ecosystem services
  • Tropical forest ecology
  • Biodiversity



  • Association of anthospheric bactria Sphingomonas with their plant hosts and its geographical variation (KAKENHI 20H03324, Japan Society for the Promotion of Science)
  • Effects of microbial transmission between plants through during pollination on seed microbes (KAKENHI 22K19344, Japan Society for the Promotion of Science)
  • Effects of domestication on seed microbial communities in soybean in East Asia (KAKENHI 22KK0104, Japan Society for the Promotion of Science)


  • Elvira NJ, Ushio M, Sakai S (2022) Are microbes growing on flowers evil? Effects of old flower microbes on fruit set in a wild ginger with one-day flowers, Alpinia japonica (Zingiberaceae). Metabarcoding and Metagenomics6: e84331. https://doi.org/10.3897/mbmg.6.84331
  • Takeda k, Sakai S (2022) Extended benefits of pollinator-mediated microbial dispersal among flowers. Ecological Research. https://doi.org/10.1111/1440-1703.12326
  • Marre M, Ushio M, Sakai S (2021) Contrasting microbial communities on male and female flowers of a dioecious plant, Mallotus japonicus (Euphorbiaceae). Environmental DNA. https://doi.org/10.1002/edn3.271.
  • Nagaoka N, Naoe S, Takano-Masuya Y, Sakai S (2020) Green greenhouse: leaf enclosure for fruit development of an androdioecious vine, Schizopepon bryoniifolius. Proceedings of the Royal Society B, 287(1936), 20201718. http://doi.org/10.1098/rspb.2020.1718
  • Metelmann S, Sakai S, Kondo, M, Telschow A (2020). Evolutionary stability of plant–pollinator networks: efficient communities and a pollination dilemma. Ecology Letters. https://doi.org/10.1111/ele.13588
  • Ushio M, Osada Y, Kumagai TO, Kume T, Pungga RAS, Nakashizuka T, Itioka T, Sakai S (2020). Dynamic and synergistic influences of air temperature and rainfall on general flowering in a Bornean lowland tropical forest. Ecological Research 35: 17-29.