Ohara, T., Watanabe, T., Bamba, R., Nakamura, A., & Iwai, H. (2026).
β-Xylosidase overexpression alters pectin and cellulose distribution and modulates blast disease resistance in rice.
Plants, 15(6), 934. https://doi.org/10.3390/plants15060934
Machfuudzoh, A., Koshiba, R., Higaki, T., Ohba, Y., Asahina, M., Satoh, S., & Iwai, H. (2025).
Jacalin-induced cell proliferation during tissue-repair process in partially incised flowering stems of Arabidopsis thaliana.
Plant & Cell Physiology, 66(8), 1229–1239. https://doi.org/10.1093/pcp/pcaf071
Soyama, K., Frederica, C. F., Mukai, A., Irving, L. J., Furukawa, J., & Iwai, H. (2025).
Effects on the reproductive development of tomato under conditions of Ca deficiency up to the re-application of Ca.
Horticulture Journal, 94(4), 491–499. https://doi.org/10.2503/hortj.SZD-063
Tatsumi, A., Nagayama, T., Teramoto, A., Nakamura, A., Yokoyama, R., Furukawa, J., & Iwai, H. (2025).
OsXTH19 overexpression improves aluminum tolerance via xyloglucan reduction in rice root cell wall.
Plants, 14(13), 1912. https://doi.org/10.3390/plants14131912
Soyama, K., Miyakoshi, A., Miyachi, M., Itano, M., Sugiyama, H., Higaki, T., Furukawa, J., & Iwai, H. (2025).
Irregular swelling of tomato fruit chambers during the early stages of fruit formation is due to the local distribution of cell wall-loosening proteins under Ca-deficient conditions.
Journal of Plant Growth Regulation, 44, 5207–5221. https://doi.org/10.1007/s00344-025-11745-0
Hasegawa, C., Yamada, K., Hoyano, N., Sano, M., Soyama, K., & Iwai, H. (2025).
Salt stress-induced ascorbic acid accumulation and its trade-off with mannan content in tomato.
Horticulturae, 11(4), 400. https://doi.org/10.3390/horticulturae11040400
Machfuudzoh, A., Pitaksaringkarn, W., Koshiba, R., Higaki, T., Rakwal, R., Ohba, Y., Asahina, M., Satoh, S., & Iwai, H. (2024).
At2-MMP is required for attenuation of cell proliferation during wound healing in incised Arabidopsis inflorescence stems.
Plant & Cell Physiology, 65(11), 1821–1832. https://doi.org/10.1093/pcp/pcae103
Soyama, K.*, Yano, A.*, Miyakoshi, A., Itano, M., Sugiyama, H., & Iwai, H. (2024).
Regulation of cell wall remodeling is an important factor in the regulation of tomato fruit size immediately after fruit set induced by salinity conditions.
Horticulture Journal, 93(4), 397–405.
Awarded the 2024 Horticultural Society of Japan Excellent Paper Award
Ishida, K., Ohba, Y., Yoshimi, Y., Louis, W., Alberto, E. P., Li, Y., Iwai, H., & Dupree, P. (2023).
Differing structures of galactoglucomannan in eudicots and non-eudicot angiosperms.
PLoS ONE, 18(12), e0296xxx.
Ohba, Y., Yoshihara, S., Sato, R., Matsuoka, K., Asahina, M., Satoh, S., & Iwai, H. (2023).
Plasmodesmata callose binding protein 2 contributes to the regulation of cambium/phloem formation and auxin response during the tissue reunion process in incised Arabidopsis stem.
Journal of Plant Research, 136, 865–877.
Hasegawa, K.*, Ichikawa, A.*, Takeuchi, H., Nakamura, A., & Iwai, H. (2023).
Maintenance of methyl-esterified pectin level in pollen mother-cell stages is required for microspore development.
Plants, 12(8), 1717. https://doi.org/10.3390/plants12081717
*These authors contributed equally to this work.
Nagayama, T., Tatsumi, A., Nakamura, A., Yamaji, N., Satoh, S., Furukawa, J., & Iwai, H. (2022).
Effects of overexpression of polygalacturonase on pectin distribution in elongation zone of roots under aluminum stress.
AoB Plants, 14(2), plac003.
Iwai, H. (2021).
Cell wall functions in plant growth and environmental responses.
Journal of Plant Research, 134(6), 1155–1158.
Hasegawa, K., Kamada, S., Takehara, S., Takeuchi, H., Nakamura, A., Satoh, S., & Iwai, H. (2021).
Rice putative methyltransferase gene OsPMT10 is required for maintaining the cell wall properties of pistil transmitting tissues via pectin modification.
Plant & Cell Physiology, 62, 1902–1911.
Ohara, T., Takeuchi, H., Sato, J., Nakamura, A., Ichikawa, H., Yokoyama, R., Nishitani, K., Minami, E., Satoh, S., & Iwai, H. (2021).
Structural alteration of rice pectin affects cell wall mechanical strength and pathogenicity for the rice blast fungus under weak light conditions.
Plant & Cell Physiology, 62, pcab019. https://doi.org/10.1093/pcp/pcab019
Takebe, N., Nakamura, A., Watanabe, T., Miyashita, A., Satoh, S., & Iwai, H. (2020).
Cell wall glycine-rich protein 2 is involved in tapetal differentiation and pollen maturation.
Journal of Plant Research, 133(6), 883–895. https://doi.org/10.1007/s10265-020-01223-x
Hasegawa, K., Kamada, S., Takehara, S., Takeuchi, H., Nakamura, A., Satoh, S., & Iwai, H. (2020).
Rice putative methyltransferase gene OsPMT16 is required for pistil development involving pectin modification.
Frontiers in Plant Science, 11, 475. https://doi.org/10.3389/fpls.2020.00475
Nagayama, T., Nakamura, A., Yamaji, N., Satoh, S., Furukawa, J., & Iwai, H. (2019).
Changes in the distribution of pectin in root border cells under aluminum stress.
Frontiers in Plant Science, 10, 1216. https://doi.org/10.3389/fpls.2019.01216