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Faculty of Agriculture Region of Animal and Plant Biosciences |
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TANAKA Hidenori
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Degree 【 display / non-display 】
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Doctor (Agriculture) ( 2006.3 Kagoshima University )
Research Interests 【 display / non-display 】
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Plant Genetic Resources and Breedings
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植物デジタル計測
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教学マネジメント
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Institutional Research
Research Areas 【 display / non-display 】
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Environmental Science/Agriculture Science / Science in plant genetics and breeding
Papers 【 display / non-display 】
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Pongpiyapaiboon S., Aoki K., Hashiguchi M., Akashi R., Kishima Y., Tanaka H.
Plant Phenome Journal 8 ( 1 ) 2025.12
Authorship：Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Plant Phenome Journal
High-throughput and noninvasive phenotyping methods are promising technology for improving efficiency in plant research and breeding. In this study, we evaluated the performance of a digital phenotyping system (DPS) based on three-dimensional (3D) model reconstruction for quantifying key growth traits in rice (Oryza sativa). The DPS was used to estimate plant height, biomass, color, leaf morphology, and tiller angle in four rice varieties (Koshihikari, Nipponbare, PL9, and Tachiaoba). The results show high accuracy and correlation between manually measured and DPS-derived traits. Notably, the 3D volume analysis can quantify biomass accumulation and growth dynamics and revealed distinct differences among varieties. The strong correlation between the green-red normalized difference index (a red-green-blue-based index) and soil plant analysis development also demonstrated the viability of the system in monitoring leaf color without using a multispectral instrument. The analysis also captured growth patterns over time, including canopy development and senescence, which are often challenging to quantify through manual measurements alone. Furthermore, the tiller angle estimation derived from DPS provided an alternative method to plant architecture evaluation, demonstrating its potential for use in breeding programs aimed to optimize canopy structure. These findings establish DPS as a reliable and scalable tool for a digital phenotyping platform that enables comprehensive trait analysis with reduced labor and increased precision and the capability to continuously monitor plant growth and biomass accumulation. This study shows the potential of this novel digital tool for automating manual measurements, which can increase efficiency and expedite research and breeding in rice and other crops.
DOI： 10.1002/ppj2.70054
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Umino R., Ng H.M., Tanaka H., Ishigaki G.
Australian Journal of Crop Science 19 ( 10 ) 1035 - 1040 2025.10
Publishing type：Research paper (scientific journal) Publisher：Australian Journal of Crop Science
This study investigated the agronomical traits of three soybean (Glycine max L. Merr) cultivars differing in maturity stages—extremely early-maturing ‘Yukihomare’ (Yu), early-maturing ‘Kitamusume’ (Ki), and late-maturing ‘Fukuyutaka’ (Fu)—intercropped with Rhodes grass (Chloris gayana Kunth.) in the southwest warm region Japan (Experiment I) and their applicability to agricultural machinery system (Experiment II). In Experiment I, soybeans were sown under different seeding rates at 10 seeds/m<sup>2</sup> in 2022 and 20 seeds/m<sup>2</sup> in 2023. As a result, while ‘Fu’ showed the lowest germination rate in 2022, it had the same trend in mean of two years (54%). At 90 days after sowing in 2023, plant height of ‘Fu’ was significantly higher among cultivars and had the highest dry matter yield (DMY) of 448 kg/10a with a soybean mixing rate of 93.1%, indicating improved soybean competitiveness with Rhodes grass under higher seeding rate. In Experiment II, broadcaster seeding trial identified a 10 m operational spacing as optimal for achieving the target seeding rate of 20 seeds/m<sup>2</sup> based on the result of Experiment I. Subsequently, a performance using agricultural machinery for seeding and harvesting showed that DMY of ‘Fu’ (344kg/10a) was significantly higher than that of Rhodes grass (101kg/10a). However, lodging and harvesting inefficiencies resulted in an estimated dry matter loss of 59.4 kg/10a (13.4%), highlighting the need for further refinement of mechanical harvesting. These findings demonstrate the potential of late-maturing soybean cultivar ‘Fu’ for forage production in intercropping systems and suggest the feasibility of mechanized cultivation and harvest at a practical scale.
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Arifin A.G., Shimamoto Y., Tanaka H., Hashiguchi M., Akashi R., Gondo T.
Legume Research 48 ( 1 ) 57 - 63 2025.1
Language：English Publishing type：Research paper (scientific journal) Publisher：Legume Research
Background: Identifying biomass-related genes to meet the increasing demand for food supply is important approach for agricultural and scientific efforts. In this study, we employed the Full-length cDNA Over-eXpressing gene hunting system (FOX hunting system) to identify biomass-related genes through ectopic expression of Arabidopsis thaliana full-length cDNA in bird’s-foot trefoil (Lotus corniculatus). Methods: A total of 66 FOX superroot lines (FSLs) from Lotus corniculatus cv. Viking were transferred in vermiculite after two weeks in half-strength Murashige and Skoog (MS) medium. These FSLs were then grown in a growth chamber for four weeks, during which their plant length and root length were measured. High biomass lines were selected from this group. FSL #83 and #121 were then grown for an additional four months in a greenhouse until they reached maturity, at which point they were evaluated for their agronomic traits. Result: Out of the 66 analyzed FSLs, 15 displayed superior growth characteristics in plant length and total root length. Arabidopsis cDNA, categorized into genes related to various functions such as membrane transport, photosystems, phytohormone synthesis, amino acid synthesis and unknown genes, was introduced into these lines. Two lines were grown to maturity in the greenhouse and their agronomic traits were analyzed in detail. FSL #83 expressed brassinosteroid biosynthetic pathway gene (CPD) led to significant differences in internode length, number of stems, number of flowers and above-ground dry matter weight compared to non-transgenic Super-growing roots (SR). On the other hand, FSL #121 expressed Asparaginyl-tRNA synthetase (SYNC1) gene exhibited increases in plant length and the number of stem nodes.
DOI： 10.18805/LRF-813
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Nakamura K., Gondo T., Chiba S., Akimoto S., Narushima J., Kondo K., Sugano Y., Tanaka H., Hashiguchi M., Shiwa Y., Akashi R.
Agriculture (Switzerland) 14 ( 12 ) 2024.12
Language：English Publishing type：Research paper (scientific journal) Publisher：Agriculture (Switzerland)
Gene expression in individual germinated seeds of four different soybean (Glycine max [L.] Merr.) cultivars, GL3494, OAC Kent, Williams 82, and Jackson, was examined using single seed high-throughput RNA sequencing (ssRNA-seq). The gene expression was similar between two individual seeds of the same cultivar, but different among individual seeds of the four cultivars. Notably, ssRNA-seq identified five genes that were not stably expressed in Williams 82, having either no detectable sequence reads or less than five sequence reads mapped to the exon regions of chromosomes in Williams 82. These findings were validated by reverse transcription polymerase chain reaction analysis. The study’s results demonstrate that gene expression in germinated seeds is unique to an individual seed from each soybean cultivar. This uniqueness may affect composition and content of nutrients in germinated soybeans used as food ingredients.
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Li F., Sayama T., Yokota Y., Hiraga S., Hashiguchi M., Tanaka H., Akashi R., Ishimoto M.
DNA Research 31 ( 2 ) 2024.4
Language：English Publishing type：Research paper (scientific journal) Publisher：DNA Research
Wild soybean (Glycine soja), the ancestor of the cultivated soybean (G. max), is a crucial resource for capturing the genetic diversity of soybean species. In this study, we used a set of 78 genome-wide microsatellite markers to analyse the genetic diversity and geographic differentiation patterns in a global collection of 2,050 G. soja accessions and a mini-core collection of G. max stored in two public seed banks. We observed a notable reduction in the genetic diversity of G. max compared with G. soja and identified a close phylogenetic relationship between G. max and a G. soja subpopulation located in central China. Furthermore, we revealed substantial genetic divergence between northern and southern subpopulations, accompanied by diminished genetic diversity in the northern subpopulations. Two clusters were discovered among the accessions from north-eastern China-one genetically close to those from South Korea and Southern Japan, and another close to those from Amur Oblast, Russia. Finally, 192 accessions were assigned to a mini-core collection of G. soja, retaining 73.8% of the alleles detected in the entire collection. This mini-core collection is accessible to those who need it, facilitating efficient evaluation and utilization of G. soja genetic resources in soybean breeding initiatives.
Books 【 display / non-display 】
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形質転換プロトコール《植物編》
田部井 豊 編（ Role： Joint author , セイヨウミヤコグサ）
化学同人 2012.9
Language：Japanese Book type：Scholarly book
MISC 【 display / non-display 】
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Actual Status of Research Equipment Usage Inside and Outside the University and Analysis of Research Papers Published by on-Campus Use of Research Equipment at the University of Miyazaki
SAKAI Kentaro, TANAKA Hidenori
The Journal of Science Policy and Research Management 39 ( 1 ) 26 - 34 2024.5
Language：Japanese Publishing type：Rapid communication, short report, research note, etc. (scientific journal) Publisher：Japan Society for Research Policy and Innovation Management
In order to improve research capabilities of Japan, it is necessary to strategically maintain, operate, and share research facilities and equipment based on university management strategies. In this situation, it is important to establish institutional research (IR) of research infrastructure that quantitatively analyzes and evaluates how the use of research equipment contributes to the research capabilities of universities, but this is still in the development stage. Therefore, it is necessary to improve its functions and establish a methodology. In this paper, we report the usage of research equipment inside and outside the university obtained from the equipment management system developed at the University of Miyazaki, and analyze the research fields, analysis contents, and regional characteristics of analysis request commissioned from outside the university. Moreover, we will analyze the number and quality of papers published through the use of research facilities, and describe an example of research infrastructure IR at our university, which is a local/regional university.
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田中秀典
大学時報 ( 405 ) 78 - 83 2022.7
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)
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NBRPミヤコグサ・ダイズにおけるバイオリソース整備 Invited
橋口 正嗣，田中 秀典，橋口 拓勇，明石 良
農業および園芸 96 ( 2 ) 153 - 162 2021.2
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
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マメ科植物研究のためのミヤコグサバイオリソース Invited Reviewed
橋口正嗣，佐藤修正，橋口拓勇，田中秀典，明石 良
植物科学の最前線（BSJ-Review） 10 179 - 189 2019.7
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：日本植物学会
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ダイズ成長過程における形質・環境計測値の相互関係のネットワーク解析
七夕高也, 磯部祥子, 林篤司, 田中秀典, 橋口正嗣, 明石良, 長谷川舞衣, 菊地正隆, 中谷明弘, 佐藤修正, 七夕小百合
育種学研究 20 97 2018.3
Language：Japanese Publishing type：Research paper, summary (national, other academic conference)
Presentations 【 display / non-display 】
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データに基づく育種の効率化を目指したデジタル3Dモデルによる植物の計測 Invited
田中秀典
日本生物環境工学会九州支部2025年宮崎大会 2025.12.20
Event date： 2025.12.20
Language：Japanese Presentation type：Symposium, workshop panel (nominated)
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Diversity assessment of morphological and growth characteristics of zoysiagrass ecotypes in Japan using digital phenotyping International conference
Sorawich Pongpiyapaiboon, Sorawit Doungchoo, Hwan May Ng, Hidenori Tanaka, Ryo Akashi
The 15th International Turfgrass Research Conference 2025.7.14
Event date： 2025.7.12 - 2025.7.16
Language：English Presentation type：Oral presentation (general)
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Morphometric analysis of turfgrass using digital 3D technology and its application in breeding Invited International conference
Hidenori Tanaka
The 15th International Turfgrass Research Conference 2025.7.16
Event date： 2025.7.12 - 2025.7.16
Language：English Presentation type：Symposium, workshop panel (nominated)
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Evaluation of the effect of domestic-waste slag sand on the growth characteristics of zoysiagrass International conference
Sorawit Doungchoo, Sorawich Pongpiyapaiboon, Ryo Akashi, Hidenori Tanaka
The 15th International Turfgrass Research Conference 2025.7.14
Event date： 2025.7.12 - 2025.7.16
Language：English Presentation type：Poster presentation
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野生ダイズミニコアコレクションのゲノム情報整備とGWASを用いた遺伝子同定への応用
李 鋒, 矢野 亮一, 中田 隆, 栗田 加奈子, 橋口 正嗣, 明石 良, 田中 秀典, 高木 恭子, 平賀 勧, 石本 政男
日本育種学会第147回講演会
Event date： 2025.3.20 - 2025.3.21
Presentation type：Oral presentation (general)
Grant-in-Aid for Scientific Research 【 display / non-display 】
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フィールドにおける複数草種のデジタル独立計測と新しい牧草の混播栽培技術の確立
Grant number：25K09408 2025.04 - 2028.03
独立行政法人日本学術振興会 科学研究費基金 基盤研究(C)
Authorship：Principal investigator
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学生の学業継続および退学予測モデルの構築に関する実証的研究
Grant number：23K22296 2024.04 - 2026.03
独立行政法人日本学術振興会 科学研究費基金 基盤研究(B)
Authorship：Coinvestigator(s)
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ゲノム編集食品が遺伝子組み換え食品と同じ轍を踏まないために
Grant number：23K05404 2023.04 - 2027.03
独立行政法人日本学術振興会 科学研究費基金 基盤研究(C)
Authorship：Coinvestigator(s)
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学生の学業継続および退学予測モデルの構築に関する実証的研究
Grant number：22H01025 2022.04 - 2025.03
独立行政法人日本学術振興会 科学研究費補助金 基盤研究(B)
Authorship：Coinvestigator(s)
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大学の数量的な「共通知」から分析マインドを涵養する人材育成プラットフォームの開発
Grant number：18K02706 2018.04 - 2022.03
科学研究費補助金 基盤研究(C)
Authorship：Coinvestigator(s)
Available Technology 【 display / non-display 】
Social Activities 【 display / non-display 】
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山形大学・履修証明プログラム（IR担当者向け実践プログラム）担当講師
Role(s)： Lecturer
山形大学 2025.5 - 2025.10
Audience： Teachers, Researchesrs, General, Governmental agency
Type：Certification seminar
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山形大学・履修証明プログラム（IR担当者向け実践プログラム）担当講師
Role(s)： Lecturer
山形大学 2024.5 - 2024.10
Audience： Teachers, Researchesrs, General, Governmental agency
Type：Certification seminar
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山形大学・履修証明プログラム（IR担当者向け実践プログラム）担当講師
Role(s)： Lecturer
山形大学 2023.5 - 2023.10
Audience： Teachers, Researchesrs, General, Governmental agency
Type：Certification seminar
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山形大学・履修証明プログラム（IR担当者向け実践プログラム）担当講師
Role(s)： Lecturer
山形大学 2022.5 - 2022.9
Audience： Teachers, Researchesrs, General, Governmental agency
Type：Certification seminar
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山形大学・履修証明プログラム（IR担当者向け実践プログラム）担当講師
Role(s)： Lecturer
山形大学 2021.5 - 2021.9
Audience： Teachers, Researchesrs, General, Governmental agency
Type：Certification seminar