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Single and combined eff ects of fertilization,ectomycorrhizal inoculation,and drought on container-grown Japanese larch seedlings

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Journal of Forestry Research 2023年第4期34卷 1077-1094页

作者： Evgenios Agathokleous Mitsutoshi Kitao Masabumi Komatsu Yutaka Tamai hisanori harayama Takayoshi Koike Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CIC-FEMD) Nanjing University of Information Science and TechnologyNanjing 210044JiangsuPeople’s Republic of China Research Center for Global Changes and Ecosystem Carbon Sequestration and Mitigation School of Applied MeteorologyNanjing University of Information Science and TechnologyNanjing 210044JiangsuPeople’s Republic of China Hokkaido Research Center Forestry and Forest Products Research Institute(FFPRI)Forest Research and Management Organization7 HitsujigaokaSapporoHokkaido 062-8516Japan Department of Mushroom Science and Forest Microbiology Forestry and Forest Products Research Institute(FFPRI)Matsunosato 1Tsukuba 305-8687Japan Research Faculty of Agriculture Hokkaido UniversityKita 9 Nishi 9SapporoHokkaido 060-8589Japan Department of Plant Ecology Forestry and Forest Products Research Institute(FFPRI)Matsunosato 1Tsukuba 305-8687Japan

Climate change can intensify drought in many regions of the world and lead to more frequent drought events or altered cycles of soil water status.Therefore,it is important to enhance the tolerance to drought and thus health,vigor,and success of transplantation seedlings used in the forestry by modifying fertilization and promoting mycorrhization.Here,we sowed seeds of Japanese larch(Larix kaempferi)in 0.2-L containers with 0.5 g(low fertilization;LF)or 2 g(high fertilization;HF)of slow-release fertilizer early in the growing season.One month later,we irrigated seedlings with non-sterilized ectomycorrhizal inoculum(ECM)or sterilized solution(non-ECM),and after about 2 months,plants were either kept well watered(WW;500 mL water/plant/week)or subjected to drought(DR;50 mL water per plant/week)until the end of the growing season.HF largely stimulated plant growth and above-and belowground biomass production,eff ects that are of practical signifi cance,but caused a small decrease in stomatal conductance(Gs 390)and transpiration rate(E 390),which in practice is insignifi cant.ECM treatment resulted in moderate inhibition of seedling growth and biomass and largely canceled out the enhancement of biomass and foliar K content by HF.DR caused a large decrease in CO 2 assimilation,and enhanced stomatal closure and induced senescence.DR also largely depleted foliar Mg and enriched foliar K.Although DR caused a large decrease in foliar P content in LF,it moderately increased P in HF.Likewise,DR increased foliar K in HF but not in LF,and decreased foliar P in ECM plants but not in non-ECM plants.Conversely,ECM plants exhibited a large enrichment in foliar P under WW and had a lower water potential under DR when grown in LF.These results indicate that the drought tolerance and health and vigor of Japanese larch seedlings can be modifi ed by soil fertility and soil microorganisms.This study provides a basis for new multifactorial research programs aimed at producing seedlings of superior quality for forestation under climate cha

关键词： Drought Ectomycorrhizae Fertilizer eff ect Oxidative stress Stressor interactions

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Temperature-induced hormesis in plants

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Journal of Forestry Research 2019年第1期30卷 13-20页

作者： Evgenios Agathokleous Mitsutoshi Kitao hisanori harayama Edward J.Calabrese Hokkaido Research Center Forestry and Forest Products Research Institute (FFPRI) Forest Research and Management Organization Research Faculty of Agriculture Hokkaido University Department of Environmental Health Sciences Morrill IN344 University of Massachusetts

Environmental change attracts particular attention by biologists concerned with the performance of biological systems under stress. To investigate these, dose–response relationships should be clarified. It was previously assumed that the fundamental nature of biological dose–responses follows a linear model, either with no threshold or with a threshold below which no effects are expected to occur in biological endpoints. However, substantial literature, including widespread documentation in plants, has revealed that hormesis commonly occurs. Hormesis is highly generalized and can be utilized as a quantitative measure of biological plasticity. Conditioning induced by adaptive responses also occurs in the framework of hormesis and is of particular importance to environmental change biology with regards to evolutionary adaptations.This paper presents additional evidence for hormetic dose responses induced by temperature in plants. The current understanding on hormesis provides a perspective for next generation environmental change research. Hormesis should have a central role in environmental change biology of vegetation.

关键词： Adaptive response Biological plasticity Dose response Hormesis Stress biology

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Ethylenediurea(EDU) effects on Japanese larch: an one growing season experiment with simulated regenerating communities and a four growing season application to individual saplings

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Journal of Forestry Research 2021年第5期32卷 2047-2057页

作者： Evgenios Agathokleous Mitsutoshi Kitao Xiaona Wang Qiaozhi Mao hisanori harayama William J.Manning Takayoshi Koike Key Laboratory of Agrometeorology of Jiangsu Province Institute of Applied Ecology Nanjing University of Information Science and Technology (NUIST) Division of Environment and Resources Research Research Faculty of Agriculture Hokkaido University Hokkaido Research Center Forestry and Forest Products Research Institute (FFPRI) College of Landscape Architecture and Tourism Hebei Agricultural University College of Resources and Environment Southwest University Ecophysiology Laboratory Department of Plant Ecology Forestry and Forest Products Research Institute (FFPRI) Department of Plant Soil and Insect Sciences University of Massachusetts Shenzhen Graduate School of Environment and Energy Peking University Research Center for Eco-Environmental Science Chinese Academy of Science

J apanese larch(La rix kaempferi(Lamb.) Carr.)and its hybrid are economically important coniferous trees widely grown in the Northern Hemisphere.Ground-level ozone(O3) concentrations have increased since the preindustrial era,and research projects showed that Japanese larch is susceptible to elevated O3exposures.Therefore,methodologies are needed to(1) protect Japanese larch against O3damage and(2) conduct biomonitoring of O3in Japanese larch forests and,thus,monitor O3risks to Japanese larch.For the first time,this study evaluates whether the synthetic chemical ethylenediurea(EDU) can protect Japanese larch against O3damage,in two independent experiments.In the first experiment,seedling communities,simulating natural regeneration,were treated with EDU(0,100,200,and 400 mg L-1) and exposed to either ambient or elevated O3in a growing season.In the second experiment,individually-grown saplings were treated with EDU(0,200 and 400 mg L-1) and exposed to ambient O3in two growing seasons and to elevated O3in the succeeding two growing seasons.The two experiments revealed that EDU concentrations of 200-400 mg L-1could protect Japanese larch seedling communities and individual saplings against O3-induced inhibition of growth and productivity.However,EDU concentrations ≤200 mg L-1did offer only partial protection when seedling communities were coping with higher level of O3-induced stress,and only 400 mg EDU L-1fully protected communities under higher stress.Therefore,we conclude that among the concentrations tested the concentration offering maximum protection to Japanese larch plants under high competition and O3-induced stress is that of 400 mg EDU L-1.The results of this study can provide a valuable resource of information for applied forestry in an O3-polluted world.

关键词： Air pollution Antiozonant Ethylenediurea (EDU) Plant protection Tropospheric ozone (O 3 )

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Effects of soil nutrient availability and ozone on container-grown Japanese larch seedlings and role of soil microbes

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Journal of Forestry Research 2020年第6期31卷 2295-2311页

作者： Evgenios Agathokleous Mitsutoshi Kitao Masabumi Komatsu Yutaka Tamai Hideyuki Saito hisanori harayama Akira Uemura Hiroyuki Tobita Takayoshi Koike Institute of Ecology Key Laboratory of Agrometeorology of Jiangsu ProvinceSchool of Applied MeteorologyNanjing University of Information Science and Technology(NUIST)Nanjing 210044JiangsuPeople’s Republic of China Hokkaido Research Center Forestry and Forest Products Research Institute(FFPRI)Forest Research and Management Organization7 HitsujigaokaSapporoHokkaido 062-8516Japan Department of Mushroom Science and Forest Microbiology Forestry and Forest Products Research Institute(FFPRI)Matsunosato 1Tsukuba 305-8687Japan Research Faculty of Agriculture Hokkaido UniversityKita 9 Nishi 9SapporoHokkaido 060-8589Japan Department of Plant Ecology Forestry and Forest Products Research Institute(FFPRI)Matsunosato 1Tsukuba 305-8687Japan

The interactive eff ects of ozone,soil nutrient availability and root microorganisms on physiological,growth,and productivity traits were studied for the fi rst time for Japanese larch(Larix kaempferi)seedlings grown in containers over a growing season,using a free air ozoneconcentration enrichment exposure system.High nutrient availability altered leaf and root nutrient dynamics and enhanced plant growth;however,it also enhanced seedling susceptibility to damping-off disease compared to low nutrient availability.Negative eff ects of elevated ozone,as compared with ambient ozone,on leaf gas exchange and plant stem form were neither off set nor exacerbated by soil nutrient availability and root colonizers.Such negative eff ects suggest that elevated ozone may have implications for ecological health even when plant vigor is limited by factors other than ozone.Inoculation of roots with ectomycorrhizae had negligible infl uence on the eff ects of either soil nutrient availability or ozone.However,this lack of eff ect may be upon impeded formation of complete mycorrhizal root tips due to factors other than the manipulated variables.B and Na appeared to have an important role in stress responses,so further studies to examine their link with physiological mechanisms as a function of time.This study provides an important perspective for designing forestry practices to enhance seedling health.

关键词： Ectomycorrhizae Fertilizer Oxidative stress Plant-fungi interaction

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thylenediurea(EDU)effects on Japanese larch:an one growing season experiment with simulated regenerating communities and a four growing season application to individual saplings

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Journal of Forestry Research 2021年第5期32卷 2047-2057页

作者： Evgenios Agathokleous Mitsutoshi Kitao Xiaona Wang Qiaozhi Mao hisanori harayama William JManning Takayoshi Koike Key Laboratory of Agrometeorology of Jiangsu Province Institute of Applied EcologyNanjing University of Information Science and Technology(NUIST)Nanjing 210044People’s Republic of China Division of Environment and Resources Research Research Faculty of AgricultureHokkaido UniversitySapporo 060-8589Japan Hokkaido Research Center Forestry and Forest Products Research Institute(FFPRI)Sapporo 062-8516Japan College of Landscape Architecture and Tourism Hebei Agricultural UniversityNo.2596 Lekai South StreetLianchi DistrictBaoding 071000People’s Republic of China College of Resources and Environment Southwest UniversityChongqing 400700People’s Republic of China Ecophysiology Laboratory Department of Plant EcologyForestry and Forest Products Research Institute(FFPRI)Matsunosato-1Tsukuba 305-8687Japan Department of Plant Soil and Insect SciencesUniversity of Massachusetts80 Campus Center WayAmherstMA 01003USA Shenzhen Graduate School of Environment and Energy Peking UniversityShenzhen 518055People’s Republic of China Research Center for Eco-Environmental Science Chinese Academy of ScienceBeijing 100085People’s Republic of China

Japanese larch(Larix kaempferi(Lamb.)Carr.)and its hybrid are economically important coniferous trees widely grown in the Northern Hemisphere.Ground-level ozone(O_(3))concentrations have increased since the preindustrial era,and research projects showed that Japanese larch is susceptible to elevated O_(3)exposures.Therefore,methodologies are needed to(1)protect Japanese larch against O_(3)damage and(2)conduct biomonitoring of O_(3)in Japanese larch forests and,thus,monitor O_(3)risks to Japanese larch.For the first time,this study evaluates whether the synthetic chemical ethylenediurea(EDU)can protect Japanese larch against O_(3)damage,in two independent experiments.In the first experiment,seedling communities,simulating natural regeneration,were treated with EDU(0,100,200,and 400 mg L^(-1))and exposed to either ambient or elevated O_(3)in a growing season.In the second experiment,individually-grown saplings were treated with EDU(0,200 and 400 mg L-1)and exposed to ambient O_(3)in two growing seasons and to elevated O_(3)in the succeeding two growing seasons.The two experiments revealed that EDU concentrations of 200-400 mg L^(-1)could protect Japanese larch seedling communities and individual saplings against O_(3)-induced inhibition of growth and productivity.However,EDU concentrations≤200 mg L^(-1)did offer only partial protection when seedling communities were coping with higher level of O_(3)-induced stress,and only 400 mg EDU L^(-1)fully protected communities under higher stress.Therefore,we conclude that among the concentrations tested the concentration offering maximum protection to Japanese larch plants under high competition and O_(3)-induced stress is that of 400 mg EDU L^(-1).The results of this study can provide a valuable resource of information for applied forestry in an O_(3)-polluted world.

关键词： Air pollution Antiozonant Ethylenediurea(EDU) Plant protection Tropospheric ozone(O_(3))

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Update on classification,diagnosis,and management of immunoglobulin G4-related disease

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Chinese Medical Journal 2022年第4期135卷 381-392页

作者： Yu Chen Shaozhe Cai Lingli Dong hisanori Umehara Department of Rheumatology and Immunology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina Department of Rheumatology and Immunology Nagahama City HospitalOinuichoNagahamaShiga 526-0043Japan

Immunoglobulin G4-related disease(IgG4-RD)is a newly recognized chronic fibro-inflammatory autoimmune disease,and its recognition has been constantly increasing worldwide over the last few years.A correct and timely recognition,as well as appropriate intervention,is crucial for the treatment of IgG4-RD.For certain subtypes of IgG4-RD,organ-specific criteria are formulated to make the diagnosis more accurate.New biomarkers have emerged in the recent years to aid the disease diagnosis,its prognosis prediction,as well as therapy response monitoring.Although recurrence is very common in IgG4-RD,glucocorticoid is still the first-line treatment for the majority of patients.The factors that affect the likelihood of disease relapse are multifaceted.The selection strategy of various steroid-sparing agents is still being explored.Besides,when patients have special sites involvement leading to severe clinical conditions,surgical operation or interventional therapy should also be considered.An update on classification,diagnosis,and management of IgG4-RD is provided in the current study to fully elucidate the recommended clinical practice of this mysterious disease.

关键词： IgG4-related disease Review Update Management

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Ketone bodies and inflammation modulation:A mini-review on ketogenic diet’s potential mechanisms in mood disorders

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BIOCELL 2023年第8期47卷 1897-1906页

作者： YAN ZHENG SIHUI MA KATSUHIKO SUZUKI hisanori KATO HUIJUAN JIA College of Physical Education Jilin UniversityChangchun130012China China Japan Union Hospital Jilin UniversityChangchun130012China Health Nutrition Graduate School of Agricultural and Life SciencesThe University of Tokyo1130032Japan Faculty of Sport Sciences Waseda UniversityTokorozawa3591192Japan

Mental disorders such as depression and anxiety inflict significant burdens on individuals and society.Commonly prescribed treatments often involve cognitive therapy and medications.However,for patients resistant to these conventional methods,alternative therapies like the Ketogenic Diet(KD)offer a promising avenue.KD and its key metabolite,β-hydroxybutyrate(BHB),have been hypothesized to alleviate mental disorders through antiinflammatory actions,a crucial pathway in the pathophysiology of depression.This mini-review examines 15 clinical trials exploring the influence of KD and BHB on inflammation and their potential roles in managing mental disorders.Both human and animal studies were scrutinized to elucidate possible cellular and molecular mechanisms.Out of the 15 trials,10 reported reduced levels of at least one inflammatory mediator or mRNA post KD or BHB treatment,while two observed an elevation in anti-inflammatory agents.These findings suggest that KD and BHB could modulate cellular inflammatory pathways,highlighting their potential for therapeutic application in mental disorders.

关键词： Ketone body Ketogenic diet Depression Anxiety Neuroinflammation

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Gorenstein Q-homology projective planes

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Science China Mathematics 2015年第3期58卷 501-512页

作者： HWANG DongSeon KEUM JongHae OHASHI hisanori Department of Mathematics Ajou University School of Mathematics Korea Institute For Advanced Study Department of Mathematics Faculty of Science and Technology Tokyo University of Science

We present the complete list of all singularity types on Gorenstein Q-homology projective planes,i.e.,normal projective surfaces of second Betti number one with at worst rational double points.The list consists of 58 ... 详细信息

关键词：投影机同源奇异性类型

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Regularities in the E. coli promoters composition in connection with the DNA strands interaction and promoter activity

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2006年第12期7卷 969-973页

作者： BEREZHNOY Andrey Yu SHCKORBATOV Yuriy G. hisanori Kiryu National Scientific Center Kharkov Physical-Technical Institute Kharkov 61108 Ukraine Institute of Biology Kharkov National University Maidan Svobody 4 Kharkov 61077 Ukraine Computational Biology Research Center National Institute of Advanced Industrial Science and Technology Koto-ku Tokyo 135-0064 Japan)

The energy of interaction between DNA strands in promoters is of great functional importance. Visualization of the energy of DNA strands distribution in promoter sequences was achieved. The separation of promoters in groups by their energetic properties enables evaluation of the dependence of promoter strength on the energetic properties. The analysis of groups (clusters) of promoters distributed by the energy of DNA strands interaction in ?55, ?35, ?10 and +6 sequences indicates their connection with the transcriptional activity.

关键词： DNA序列启动强度 DNA链交互能量 DNA序列分类

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Synthesis and TEM structural characterization of C60-flattened carbon nanotube nanopeapods

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Nano Research 2014年第12期7卷 1843-1848页

作者： Qing Wang Ryo Kitaura Yuta Yamamoto Shigeo Arai hisanori Shinohara Department of Chemistry & Institute for Advanced Research Nagoya University Nagoya 464-8602 Japan High Voltage Electron Microscope Laboratory Ecotopia Science Institute Nagoya University Nagoya 464-8602 Japan

充分弄平的碳 nanotube (FNT ) ， graphene nanoribbon (GNR ) 类似物，为做的 endohedral 在边提供一个空空格。由于 FNT 的空空间的唯一的形状，原子和分子的低维的安排的新奇类型能通过做进 FNT 的 endohedral 被获得，它提供 nanop... 详细信息

充分弄平的碳 nanotube (FNT ) ， graphene nanoribbon (GNR ) 类似物，为做的 endohedral 在边提供一个空空格。由于 FNT 的空空间的唯一的形状，原子和分子的低维的安排的新奇类型能通过做进 FNT 的 endohedral 被获得，它提供 nanopeapods 的一种新类型。基于 FNT 的 nanopeapods 通过 C 做的 endohedral 被综合了有传播电子显微镜学(TEM ) 的 60 , 和他们的结构的描述表现了。做 C 直到 FNT 的内部空空间的 60 经由煤气阶段的充满方法被执行了，在无限制的 FNT 在玻璃 ampoule 被封上并且在 723773 K 加热了二天的地方。TEM 观察显示出包含的 C 的那个大多数 60 个分子沿着 FNT 的边和 C 的那一些排列同样单个的分子的链 60 在 FNT 内形成二维的拥挤不堪的结构。

关键词： TEM观察碳纳米管结构表征 C60 扁平化豆荚合成透射电子显微镜

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