Research theme for competitive and other funds (5)：
2009 - 2011 Studies on viroid-specific RNA silencing in relation to viroid pathogenicity and molecular evolution
2001 - 2003 Investigation of a mechanism of the multiplication and transmission of Strawberry mild yellow edge potexvirus
1996 - 1996 カンキツウイロイドの遺伝子診断法に関する研究
1994 - 1996 Protection from insect-borne plant viruses of rice and potato by transgenic plants.
1993 - 1995 DEVELOPMENT OF A SYSTEM FOR INTRODUCTION AND EXPRESSION OF PLANT REOVIRUS GENES USING OR INSECT TISSUE CULTURE CELLS.
Papers (44)：
Tatsuji Hataya, Takashi Naoi. Precisely Monomeric Linear RNAs of Viroids Belonging to Pospiviroid and Hostuviroid Genera Are Infectious Regardless of Transcription Initiation Site and 5′-Terminal Structure. Cells. 2021. 10. 11. 2971-2971
Takashi Naoi, Tatsuji Hataya. Tolerance Even to Lethal Strain of Potato Spindle Tuber Viroid Found in Wild Tomato Species Can Be Introduced by Crossing. Plants. 2021. 10. 3. 575-575
Takashi Naoi, Syoya Kitabayashi, Atsushi Kasai, Kohei Sugawara, Charith Raj Adkar-Purushothama, Mineo Senda, Tatsuji Hataya, Teruo Sano. Suppression of RNA-dependent RNA polymerase 6 in tomatoes allows potato spindle tuber viroid to invade basal part but not apical part including pluripotent stem cells of shoot apical meristem. PLOS ONE. 2020. 15. 7. e0236481-e0236481
直井崇, 佐野輝男, 畑谷達児. Analyses of development mechanism of severe systemic necrosis observed in tomato plants infected with lethal strain of potato spindle tuber viroid. 日本植物病理学会報. 2022. 88. 1
直井崇, 畑谷達児, 畑谷達児. Tolerance to potato spindle tuber viroid in wild tomato species. 植物ウイルス病研究会レポート. 2022. 14
