1. Gallego, V., Pérez, L., Asturiano, J.F. & Yoshida, M.,
    (December 2013) Relationship between spermatozoa motility parameters, sperm/egg ratio, and fertilization and hatching rates in pufferfish (Takifugu niphobles). Aquaculture, 416–417, pp.238–243.

  2. Karigo, T. & Oka, Y.,
    (November 2013) Neurobiological Study of Fish Brains Gives Insights into the Nature of Gonadotropin-Releasing Hormone 1–3 Neurons. Frontiers in Endocrinology, 4:177.

  3. Karigo, T., Aikawa, M., Kondo, C., Abe, H., Kanda, S. & Oka, Y.,
    (November 2013) Whole Brain-Pituitary In Vitro Preparation of the Transgenic Medaka (Oryzias latipes) as a Tool for Analyzing the Differential Regulatory Mechanisms of LH and FSH Release. Endocrinology, 155(2), pp.536–547.

  4. Gallego, V., Pérez, L., Asturiano, J.F. & Yoshida, M.,
    (November 2013) Study of pufferfish (Takifugu niphobles) sperm: Development of methods for short-term storage, effects of different activation media and role of intracellular changes in Ca2 + and K+ in the initiation of sperm motility. Aquaculture, 414–415, pp.82–91.

  5. Kawai, T., Abe, H. & Oka, Y.,
    (November 2013) Burst generation mediated by cholinergic input in terminal nerve-gonadotrophin releasing hormone neurones of the goldfish. The Journal of Physiology, 591(22), pp.5509–5523.

  6. Suzuki, M.M., Yoshinari, A., Obara, M., Takuno, S., Shigenobu, S., Sasakura, Y., Kerr, A.R., Webb, S., Bird, A. & Nakayama, A.,
    (November 2013) Identical sets of methylated and nonmethylated genes in Ciona intestinalis sperm and muscle cells. Epigenetics & Chromatin, 6(1), p.38.

  7. Nakazawa, K., Yamazawa, T., Moriyama, Y., Ogura, Y., Kawai, N., Sasakura, Y. & Saiga, H.,
    (October 2013) Formation of the digestive tract in Ciona intestinalis includes two distinct morphogenic processes between its anterior and posterior parts. Developmental Dynamics: An Official Publication of the American Association of Anatomists, 242(10), pp.1172–1183.

  8. Takahashi, T., Kutsuzawa, M., Shiba, K., Takayama-Watanabe, E., Inaba, K. & Watanabe, A.,
    (September 2013) Distinct Ca2+ channels maintain a high motility state of the sperm that may be needed for penetration of egg jelly of the newt, Cynops pyrrhogaster. Development, Growth & Differentiation, 55(7), pp.657–667.

  9. Wada, S. & Hama, T.,
    (September 2013) The contribution of macroalgae to the coastal dissolved organic matter pool. Estuarine, Coastal and Shelf Science, 129, pp.77–85.

  10. Wada, S., Iseki, K. & Hama, T., pdf download
    (September 2013) Carbohydrate analysis by methanolysis method and application to compositional analysis of transparent exopolymer particles. Advances in Bioscience and Biotechnology, 04(09), pp.11–17.

  11. Yoshida, M., Hiradate, Y., Sensui, N., Cosson, J. & Morisawa, M.,,
    (August 2013) Species-Specificity of Sperm Motility Activation and Chemotaxis: a Study on Ascidian Species. The Biological Bulletin, 224(3), pp.156–165.

  12. Agostini, S., Fujimura, H., Higuchi, T., Yuyama, I., Casareto, B.E., Suzuki, Y. & Nakano, Y.,
    (August 2013) The effects of thermal and high-CO2 stresses on the metabolism and surrounding microenvironment of the coral Galaxea fascicularis. Comptes Rendus Biologies, 336(8), pp.384–391.

  13. Jin, Y., Yaguchi, S., Shiba, K., Yamada, L., Yaguchi, J., Shibata, D., Sawada, H. & Inaba, K.,
    (August 2013) Glutathione transferase theta in apical ciliary tuft regulates mechanical reception and swimming behavior of Sea Urchin Embryos. Cytoskeleton (Hoboken, N.J.), 70(8), pp.453–470.

  14. Ogura, Y. & Sasakura, Y.,
    (August 2013) Ascidians as excellent models for studying cellular events in the chordate body plan. The Biological Bulletin, 224(3), pp.227–236.

  15. Saito, Y.,
    Self and nonself recognition in a marine sponge, Halichondria japonica (Demospongiae). Zoological Science, 30(8), pp.651–657.

  16. Hodne, K., Weltzien, F.-A., Oka, Y. & Okubo, K.,
    (July 2013) Expression and Putative Function of Kisspeptins and Their Receptors During Early Development in Medaka. Endocrinology, 154(9), pp.3437–3446.

  17. Zempo, B., Kanda, S., Okubo, K., Akazome, Y. & Oka, Y.,
    (June 2013) Anatomical distribution of sex steroid hormone receptors in the brain of female medaka. Journal of Comparative Neurology, 521(8), pp.1760–1780.

  18. Hirohashi, N., Alvarez, L., Shiba, K., Fujiwara, E., Iwata, Y., Mohri, T., Inaba, K., Chiba, K., Ochi, H., Supuran, C.T., Kotzur, N., Kakiuchi, Y., Kaupp, U.B. & Baba, S.A.,
    (May 2013) Sperm from sneaker male squids exhibit chemotactic swarming to CO₂. Current biology: CB, 23(9), pp.775–781.

  19. Umatani, C., Abe, H. & Oka, Y.,
    Neuropeptide RFRP inhibits the pacemaker activity of terminal nerve GnRH neurons. Journal of Neurophysiology, 109(9), pp.2354–2363.ce That Kisspeptin Directly Regulates Isotocin and Vasotocin Neurons. PLoS ONE, 8(4), p.e62776.

  20. Kanda, S., Akazome, Y., Mitani, Y., Okubo, K. & Oka, Y.,
    Neuroanatomical Evidence That Kisspeptin Directly Regulates Isotocin and Vasotocin Neurons. PLoS ONE, 8(4), p.e62776.

  21. Agostini, S., Fujimura, H., Fujita, K., Suzuki, Y. & Nakano, Y.,
    (April 2013) Respiratory electron transport system activity in symbiotic corals and its link to calcification. Aquatic Biology, 18(2), pp.125–139.

  22. Sakuma, T., Hosoi, S., Woltjen, K., Suzuki, K.-I., Kashiwagi, K., Wada, H., Ochiai, H., Miyamoto, T., Kawai, N., Sasakura, Y., Matsuura, S., Okada, Y., Kawahara, A., Hayashi, S. & Yamamoto, T.,
    (April 2013) Efficient TALEN construction and evaluation methods for human cell and animal applications. Genes to cells: devoted to molecular & cellular mechanisms, 18(4), pp.315–326.

  23. Imae, Y., Takada, K., Okada, S., Ise, Y., Yoshimura, H., Morii, Y. & Matsunaga, S.,
    (April 2013) Isolation of Ciliatamide D from a Marine Sponge Stelletta sp. and a Reinvestigation of the Configuration of Ciliatamide A. Journal of Natural Products, 76(4), pp.755–758.

  24. Hozumi, A., Yoshida, R., Horie, T., Sakuma, T., Yamamoto, T. & Sasakura, Y.,
    (March 2013) Enhancer activity sensitive to the orientation of the gene it regulates in the chordate genome. Developmental biology, 375(1), pp.79–91.

  25. Kon, K., Hoshino, Y., Kanou, K., Okazaki, D., Nakayama, S. & Kohno, H.,
    (March 2013) Benthic foodweb of a salt marsh in an artificial lagoon, central Japan. Aquatic Ecosystem Health & Management, 16(1), pp.40–50.

  26. Nakano, H., Lundin, K., Bourlat, S.J., Telforcd, M.J., Funch, P., Nyengaard, J.R., Obst, M. & Thorndyke, M.C.,
    (February 2013) Xenoturbella bocki exhibits direct development with similarities to Acoelomorpha. Nature Communications, 4, p.1537.

  27. Higuchi, T., Agostini, S., Casareto, B.E., Yoshinaga, K., Suzuki, T., Nakano, Y., Fujimura, H. & Suzuki, Y.,
    (February 2013) Bacterial enhancement of bleaching and physiological impacts on the coral Montipora digitata. Journal of Experimental Marine Biology and Ecology, 440, pp.54–60.

  28. Matsumori, N., Hiradate, Y., Shibata, H., Oishi, T., Shimma, S., Toyoda, M., Hayashi, F., Yoshida, M., Murata, M. & Morisawa, M.,
    (January 2013) A Novel Sperm-Activating and Attracting Factor from the Ascidian Ascidia sydneiensis. Organic Letters, 15(2), pp.294–297.

  29. Hozumi, A., Mita, K., Miskey, C., Mates, L., Izsvak, Z., Ivics, Z., Satake, H. & Sasakura, Y.,
    (January 2013) Germline transgenesis of the chordate Ciona intestinalis with hyperactive variants of sleeping beauty transposable element. Developmental dynamics: an official publication of the American Association of Anatomists, 242(1), pp.30–43.

  30. Seto, M., Wada, S. & Suzuki, S.,
    (January 2013) The effect of zinc on aquatic microbial ecosystems and the degradation of dissolved organic matter. Chemosphere, 90(3), pp.1091–1102.

  31. Kanda, S. & Oka, Y.,
    (2013) Structure, Synthesis, and Phylogeny of Kisspeptin and its Receptor. In A. S. Kauffman & J. T. Smith, eds. Kisspeptin Signaling in Reproductive Biology. Advances in Experimental Medicine and Biology. Springer New York, pp. 9–26.