@inproceedings{oai:jaxa.repo.nii.ac.jp:00013930,
 author = {菅野, 真実 and 根岸, 容子 and 船田, 良 and 中村, 輝子 and Sugano, Mami and Negishi, Yoko and Funada, Ryo and Nakamura, Teruko},
 book = {宇宙利用シンポジウム　第19回　平成14年度, Space Utilization Research: Proceedings of the Nineteenth Space Utilization Symposium},
 month = {Feb},
 note = {The endodermal starch sheath cells were examined to investigate the cause of abnormal gravi-response in branches of the weeping type of Japanese cherry. Current-year branches of both the upright and the weeping types of Prunus spachiana were used as materials. The amyloplasts in the weeping type sedimented toward the base of the branches elongating upward and toward the apex in the branches elongating downward. In both cases, the sedimentation was toward the gravity vector. Then, the amyloplasts of the weeping branches were re-sedimented toward the vector of gravity after changing branch position mechanically to upward, same as the upright type. In electron microscope studies, it showed that amyloplasts had the lamella structure and the endodermal starch sheath cells were filled with large vacuoles. Moreover, endoplasmic reticulum, which was noticed in organelle relating to the graviperception, was presented near the amyloplasts in the endodermal starch sheath cell. The fine structures of the endodermal starch sheath cell of both types of cherry were similar. These results suggest that the abnormality of the gravi-response in the weeping Prunus trees is not due to the abnormal development of gravi-sensor., 資料番号: AA0045438023},
 pages = {73--75},
 publisher = {宇宙科学研究所, The Institute of Space and Astronautical Science (ISAS)},
 title = {シダレザクラの内皮デンプン鞘細胞の検討},
 year = {2003}
}