Research field (6):
Conservation science (plants)
, Plants: molecular biology and physiology
, Ecology and environmental science
, Molecular biochemistry
, Systems genomics
, Genomics
2005 - 2007 Exploration of the sequential fundamental processes in the early infection stage of Ralstonra solanacearum
2004 - 2005 植物細菌の薬剤耐性機構と薬剤耐性菌の生存適応能に関する研究
2004 - 2005 Studies on mechanism of Ralstoniia solanacearum proliferation in host plants - Comprehensive analysis of interaction between R.solanacearum and host plants -
2003 - 2003 植物細菌病の発病制御機構の解明 -耐病性植物創出を目指して-
2001 - 2002 青枯病菌の宿主植物における認識機構と病原性発現機構の解明
2000 - 2001 Studies on pathoigenicity mechanism of Ralstonia solanacearum and disease development of bacterial wilt
1997 - 1998 腐敗病に耐病性を示す形質転換レタスの作出
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Papers (188):
Sora Tateda, Yuki Terazawa, Akinori Kiba, Kouhei Ohnishi, Yasufumi Hikichi, Masayuki Tsuzuki. Two ferric uptake regulator proteins in Ralstonia pseudosolanacearum strain OE1-1 function cooperatively in response to the extracellular iron level under ferrous iron-rich conditions. Applied and Environmental Microbiology. 2026. 92. 3. e0227625-e0227625
Tatsuya Ueyama, Masayuki Tsuzuki, Sora Tateda, Yuki Terazawa, Aoi Ikeuchi, Akinori Kiba, Kouhei Ohnishi, Yasufumi Hikichi. Contribution of a Novel TetR/AcrR Family Transcriptional Regulator RalT of Ralstonia pseudosolanacearum Strain OE1-1 to the Fine-Tuning of Its Virulence. MicrobiologyOpen. 2026. 15. 1. e70229-e70229
Liangliang Han, Runxiao Li, Jiajun Huang, Xia Xiao, Ping Ouyang, Tao Liang, Tao Guo, Yasufumi Hikichi, Kouhei Ohnishi, Yong Zhang. Lysine inhibition of expression of genes encoding type III secretion system in Ralstonia pseudosolanacearum and its virulence in host plants. Journal of General Plant Pathology. 2025. 91. 5. 284-291
Wakana Senuma, Masayuki Tsuzuki, Chika Takemura, Yuki Terazawa, Akinori Kiba, Kouhei Ohnishi, Kenji Kai, Yasufumi Hikichi. The sensor histidine kinase PhcS participates in the regulation of quorum sensing-dependent virulence genes in Ralstonia pseudosolanacearum strain OE1-1. Microbiology spectrum. 2025. 13. 4. e0005925