Hirotsuna Yamada
Last Updated :2025/07/16
- Affiliations, Positions
- Graduate School of Integrated Sciences for Life, Assistant Professor (Special Appointment)
- E-mail
- hirotsunayamada
hiroshima-u.ac.jp
- Self-introduction
- Special bottle-brash like root system "cluster roots" have a distinct function for phosphorus acquisition in the soil, allowing the plants thrive in extreamly P-poor soils. I study how these plants regulate the cluster-root formation and enhance this physiological activity to maximize phosphorus acquisition.
Basic Information
Educational Backgrounds
- Hiroshima University, The Frontier Development Program for Genome Editing, 2022/04, 2025/03
- Hiroshima University, Graduate School of Integrated Sciences for Life, PhD course, 2022/04, 2025/03
- Visiting PhD Student, The Unversity of Western Australia, School of Biological Sciences, 2023/03, 2024/03
- Hiroshima University, Graduate School of Integrated Sciences for Life, Master course, 2020/04, 2022/03
- Hiroshima University, School of Integrated Arts and Sciences, 2016/04, 2020/03
Academic Degrees
- PhD, Hiroshima University
Research Keywords
- Malate transporter
- Cluster root
- Phosphorus
Affiliated Academic Societies
- THe Japanese Society of Plant Physiologists, 2024/04
- Japanese Society of Soil Science and Plant Nutrition, 2020/04
Educational Activity
Course in Charge
- 2025, Liberal Arts Education Program1, 1Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 1Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 1Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 1Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Biology I
- 2025, Liberal Arts Education Program1, 2Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 2Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 2Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 2Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Biology II
- 2025, Undergraduate Education, 2Term, Introduction to Life Sciences
- 2025, Undergraduate Education, 4Term, Laboratory Work in Life Sciences B
- 2025, Undergraduate Education, 4Term, Practical Methods in Life Sciences B
- 2025, Undergraduate Education, 1Term, Plant Environmental Physiology
- 2025, Undergraduate Education, First Semester, Fundamental Laboratory Work in Biology
- 2025, Undergraduate Education, First Semester, Fundamental Methodology in Biology
Research Activities
Academic Papers
- HalALMT1 mediates malate efflux in the cortex of mature cluster rootlets of Hakea laurina, occurring naturally in severely phosphorus‐impoverished soil, New Phytologist, 202506
- Responses to low phosphorus conditions of Triadic sebifera (Euphorbiaceae), an invasive plant species on Miyajima Island, southwest Japan, Soil Science and Plant Nutrition, 20250304
- Effects of distinct phosphorus application on physiological responses and rhizosheath bacterial community diversity among three lupin species, Plant and Soil, 20241223
- Ethylene works as a possible regulator for the rootlet elongation and transcription of genes for phosphorus acquisition in cluster roots of Lupinus albus L., Soil Science and Plant Nutrition, 20220504
- 3. Transport and accumulation of phosphorus and the homeostasis strategies in plants, Japanese Journal of Soil Science and Plant Nutrition, 92(2), 92-98, 20210405
Invited Lecture, Oral Presentation, Poster Presentation
- HalALMT1 in cluster roots formed by Phosphorus-deficient tolerant plant, Hakea laurina, Hirotsuna Yamada; Lydia Ratna Bunthara; Akira Tanaka; Takuro Kohama; Hayato Maruyama; Wakana Tanaka; Sho Nishida; Takayuki Sasaki; Jun Wasaki, 2024 S-CNC International Symposium, 2024/11/05
- Compound and simple cluster roots formed in phosphorus-impoverished soil in south-western Australia are differently efficient but access similar soil phosphorus pools, 2024/09/03
- Cluster roots of Hakea laurina up-regulated a malate transporter HalALMT1 under P deficiency, which was activated by aluminum exposure, Hirotsuna Yamada; Lydia Ratna Bunthara; Akira Tanaka; Takuro Kohama; Hayato Maruyama; Wakana Tanaka; Sho Nishida; Takayuki Sasaki; Jun Wasaki, 12th International Symposium of Root Research, 2024/06/03
- Malate release properties from cluster roots in Hakea laurina, Hirotsuna Yamada; Lydia Ratna Bunthara; Akira Tanaka; Takuro Kohama; Hayato Maruyama; Wakana Tanaka; Sho Nishida; Takayuki Sasaki; Jun Wasaki, Australia Society of Plant Scientists, 2023/11/29
- HalALMT1 encoding malate transporter in cluster roots formed by Hakea laurina, Hirotsuna Yamada; Lydia Ratna Bunthara; Aakira Tanaka; Wakana Tanaka; Sho Nishida; Takayuki Sasaki; Jun Wasaki, The Biodiversity Conference, 2023/10/11
- HalALMT1 in cluster roots formed by Phosphorus-deficient tolerant plant, Hakea laurina, Hirotsuna Yamada; Lydia Ratna Bunthara; Akira Tanaka; Takuro Kohama; Hayato Maruyama; Wakana Tanaka; Sho Nishida; Takayuki Sasaki; Jun Wasaki, John Glover Symposium, 2023/10/06
- Involvement of hormones in function and development of cluster roots of white lupin (Lupinus albus, Hirotsuna Yamada; Sho Nishida; Jun Wasaki, 7th Symposium on Phosphorus in Soil and Plants, 2022/10/03
- The cause that cluster root forms short rootlets in white lupin (Lupinus albus L.), Hirotsuna Yamada; Sho Nishida; Jun Wasaki, 11th Symposium of the International Society of Root Research, 2021/05/27