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Faculty of Agriculture Region of Forest Environment and Sustainability Sciences |
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KIJIDANI Yoshio
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Degree 【 display / non-display 】
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Doctor(Agriculture) ( 1997.3 Kyushu University )
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Master(Agriculture) ( 1992.3 Kyushu University )
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Bachelor(Agriculture) ( 1990.3 Kyushu University )
Papers 【 display / non-display 】
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Characterization of microbial communities during Grifola frondosa (maitake) wood log cultivation Reviewed International coauthorship
Fu-Chia Chen, Taichi Motoda, Ichiro Kamei, Yoshio Kijidani
Journal of Wood Science 69 ( 1 ) 2023.12
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Wood Science
The method used to cultivate the popular Japanese mushroom Grifola frondosa (maitake), called 'wood log cultivation', comprised two steps: (1) the mycelium is grown around a wood log in a plastic bag, and (2) the mycelium that has spread on the wood log is transferred into casing substrates in a forest. This method is still popular in Japan due to its low cost and high-quality crop production. The importance of the microbiome that inhabits mushroom-cultivation surroundings has recently attracted attention, but no study of the microbial communities in maitake cultivation has been published. We investigated how the bacterial communities changed in wood logs in comparison with a control group (without inoculation) and their interaction with maitake during the first to fourth years of maitake wood log cultivation. A maitake biomass was detected by quantitative PCR in wood logs but not in the casings, and we thus decided to investigate the bacterial communities in wood log samples for control and first- to fourth-year cultivation. The results indicate that the phyla Proteobacteria, Firmicutes, and Gemmatimonadota play key roles in changes of the microbiome composition for maitake wood log cultivation. In a functional profile, bacteria communities in the wood logs during maitake cultivation showed higher relative abundance in cellulolysis, glycolysis, TCA cycle, and many biosynthesis pathways, whereas the control group showed higher relative abundance in fermentation. These results suggested that (i) the bacterial communities which inhabited maitake cultivated wood logs may help the maitake degrade wood cellulose, and (ii) part of the glucose from the cellulose degraded by both maitake and bacteria was used for the bacterial TCA cycle instead of fermentation. Bacteria also produce some chemicals that maitake mycelium may need. It is also likely that some potential intracellular parasites dwell with maitake. The different cultivation stages showed different network structures. A network analysis indicated that Class Gammaproteobacteria is a potential keystone taxon for the microbiome network stability of maitake cultivated wood logs. These results contribute to the understanding of the microbiome in maitake-cultivation surroundings and will improve maitake wood log cultivation.
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Effects of soil environmental changes accompanying soil erosion on the soil prokaryotes and fungi of cool temperate forests in Southern Japan Reviewed
Fu-Chia Chen, Yuji Tokumoto, Ayumi Katayama, Mimori Oyamada,Taku Tsuyama, Yoshio Kijidani
Journal of Forest Research 2023.9
Language：English Publishing type：Research paper (scientific journal)
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Quantitative morphological transformation of vascular bundles in the culm of moso bamboo (Phyllostachys pubescens). Reviewed
Tsuyama T, Hamai K, Kijidani Y, Sugiyama J
PLOS ONE 18(9) e0290732 2023.9
Language：English Publishing type：Research paper (scientific journal)
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Distribution of Plant Hormones and Their Precursors in Cambial Region Tissues of Quercus myrsinifolia and Castanopsis cuspidata var.sieboldii after Bending Stems or Applying Ethylene precursor Invited Reviewed
Yoshio Kijidani, Taku Tsuyama and Yuji Tokumoto
forests 14 ( 813 ) 1 - 14 2023.4
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Kijidani Y., Tsuyama T., Oda H., Hirata R., Ito S.
Journal of Wood Science 68 ( 1 ) 2022.12
Publishing type：Research paper (scientific journal) Publisher：Journal of Wood Science
The current stumpage price in harvesting of a 50-year-old sugi (Japanese cedar, Cryptomeria japonica) plantation is not enough to motivate forest owners to reforest. Therefore, it is vital to reduce the cost for reforestation after logging as well as for logging and wood transportation of the preceding stands. Low initial tree density has been emphasized as one of the important basic measures to reduce directly the reforestation costs. In this study, for better understanding of the mechanical properties and dimensional stability of lumbers from sugi trees grown in low initial tree density, we examined the effects of initial tree density on wood density and microfibril angle of the S2 layer in the secondary wall of tracheids in rings from pith to bark in a sugi cultivar (Tosaaka) grown in a Nelder plot (initial density zoning symbols; D (4823 trees/ha), E (3349 trees/ha), G (1615 trees/ha), H (1122 trees/ha) and J (541 trees/ha)). Ring width and latewood percentage in J tree (541 trees/ha) were significantly larger and smaller than those of other initial tree density zoning symbol trees, respectively. Average wood density and earlywood wood density in J tree (541 trees/ha) were significantly smaller than those of other initial tree density zoning symbol trees (Tukey’s honestly significant difference test (Tukey HSD), p < 0.05). However, effects of initial tree density on the microfibril angles (earlywood and latewood) in rings from pith to bark and the transition patterns of microfibril angle from earlywood to latewood in an outer ring (ring number 22) were not significant or very small. Heartwood width in H trees (1122 trees/ha) and J trees (541 trees/ha) were significantly larger than those in other initial tree density zoning symbol trees (Tukey HSD, p < 0.05). There were no significant differences of ring width, average wood density, earlywood density and microfibril angle between H trees (1122 trees/ha) and E trees (3349 trees/ha) in many rings from pith to bark (Tukey HSD, p > 0.05). Based on these results of Tosaaka, a sugi cultivar grown in a Nelder plot, it was assumed that mechanical properties and dimensional stability of lumbers from sugi trees grown in low initial tree density (1000 trees/ha) might be quite similar to those from sugi trees grown in the regular initial tree density (3000 trees/ha), although lumbers from J trees (541 trees/ha) might be different from those of sugi trees grown in the regular initial tree density (3000 trees/ha). By taking the effects of genetic factor (variation of sugi cultivars) and the interaction between genetic and environmental factor (initial tree density) into consideration, the effects of low initial tree density (1000 trees/ha) on mechanical properties and dimensional stability of lumbers from sugi plantations in Japan might be smaller than the effects recognized in Tosaaka in this study. In this study, we did not examine the effects of initial tree density on the knots and the cross grain of lumbers. Low initial tree density might increase the negative effects of knots and cross grain on mechanical properties of lumbers. However, recent wood processing technology could minimize these negative effects.
Books 【 display / non-display 】
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Woody plant defense under changing environment
（ Role： Joint author）
2023.3
Language：Japanese Book type：Dictionary, encyclopedia
MISC 【 display / non-display 】
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Yoshikay-Benitez D.A., Yokoyama Y., Ohira K., Fujita K., Tomiie A., Kijidani Y., Shigeto J., Tsutsumi Y.
Physiology and Molecular Biology of Plants 28 ( 11-12 ) 2022.12
Publishing type：Rapid communication, short report, research note, etc. (scientific journal) Publisher：Physiology and Molecular Biology of Plants
In this article the family name of the fifth author Tomiie was incorrectly written as Tomie. The correct name should read as Azusa Tomiie. The original article has been corrected.
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学生会員（若者）の確保は大切かも。 Invited
雉子谷佳男
木科学情報 28 ( 2 ) 21 - 21 2021.10
Authorship：Lead author Publishing type：Rapid communication, short report, research note, etc. (scientific journal)
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カナダB.C.州視察とカナダ林業・木材 産業関係者の宮﨑県訪問in 2019 〜ウッドショック_世界的木材不足が待つ未来〜 Invited
雉子谷佳男
木科学情報 28 ( 2 ) 30 - 33 2021.10
Authorship：Lead author Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
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第26回日本木材学会九州支部大会（宮崎）を振り返って Invited
雉子谷佳男
木科学情報 27 ( 1 ) 2020.8
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
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飫肥林業を遺伝要因（生まれ）と環境要因（育ち）から考える Invited
雉子谷佳男
山林 1629 22 - 28 2020.2
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
Presentations 【 display / non-display 】
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Regulatory mechanism of sugi wood properties related to crown and tree shape information －pruning ratio, auxin amounts and microfibril angle－
2023.3.14
Event date： 2024.3.14
Language：Japanese Presentation type：Oral presentation (general)
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Changes in Tissue Structure and Lignin Composition in Four Hardwood Species Induced by Inclination Stimulation
2023.3.14
Event date： 2024.3.14
Language：Japanese Presentation type：Oral presentation (general)
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Compression wood formation and distribution of endogenous plant hormones after bending stems of Japanese cedar (Tanoaka) during latewood formation
2023.3.14
Event date： 2024.3.13
Language：Japanese Presentation type：Oral presentation (general)
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Trial of genomic selection for stress wave velocity using the relationship with growth traits for first-generation plus trees of Japanese cedar in Kyushu Breeding Region
2023.3.14
Event date： 2024.3.13
Language：Japanese Presentation type：Oral presentation (general)
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モウソウチクにおけるフェルラ酸転移酵素候補遺伝子PeBAHD1の発現制御に関与する転写因子の探索
宗像典哲、津山濯、雉子谷佳男、高田直樹、坂本真吾、光田展隆
第73回日本木材学会大会 2023.3.14
Event date： 2023.3.14 - 2023.3.16
Language：Japanese Presentation type：Oral presentation (general)
Awards 【 display / non-display 】
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第58回日本木材学会賞
2018.3 日本木材学会 スギ、ヒノキの材質変動メカニズムへの植物ホルモンの影響に関する研究
雉子谷佳男
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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樹冠・樹幹型情報を取り入れた材質形質のゲノミック予測モデルの確立
Grant number：23K23676 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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樹冠・樹幹型情報を取り入れた材質形質のゲノミック予測モデルの確立
Grant number：22H02411 2022.04 - 2026.03
独立行政法人日本学術振興会 科学研究費助成事業 基盤研究(B)
Authorship：Coinvestigator(s)
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気候変動適応のための目標林型変更を可能にする森林施業体系の開拓
Grant number：21K18226 2021.04 - 2025.03
独立行政法人日本学術振興会 科研費補助金 挑戦的研究(開拓)
伊藤 哲、
Authorship：Coinvestigator(s)
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イチョウの材形成及び木材組織構造の網羅的 析から る木本植物の進化と環境適応性
Grant number：21H02260 2021.04 - 2024.03
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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エチレン前駆物質ACC量の組織ごとの分布解析による広葉樹あて材形成誘導の解明
Grant number：19K06172 2019.04 - 2022.03
科学研究費補助金 基盤研究(C)
Authorship：Principal investigator