A5007874981- Mycorrhizal Fungi and Plant Interactions
- Plant Pathogens and Fungal Diseases
- Fungal Biology and Applications
- Forest Ecology and Biodiversity Studies
- Yeasts and Rust Fungi Studies
- Plant Disease Resistance and Genetics
- Plant Parasitism and Resistance
- Plant Pathogens and Resistance
- Plant and animal studies
- Plant Physiology and Cultivation Studies
- Plant Molecular Biology Research
- Banana Cultivation and Research
- Insect-Plant Interactions and Control
- Insect and Arachnid Ecology and Behavior
- Plant Reproductive Biology
- Plant-Microbe Interactions and Immunity
- Plant pathogens and resistance mechanisms
- Dendrimers and Hyperbranched Polymers
- Composting and Vermicomposting Techniques
- Horticultural and Viticultural Research
- Fungal Plant Pathogen Control
- Molecular Biology Techniques and Applications
- Legume Nitrogen Fixing Symbiosis
- Insect symbiosis and bacterial influences
- Forensic and Genetic Research
Tokyo University of Agriculture
2023-2025
National Institute for Basic Biology
2017-2023
Akita University
2018
Fukuoka University
2017
The University of Tokyo
2011
Max Planck Institute for Biological Cybernetics
2009
Max Planck Society
2009
Kitasato University
1994-1996
Tochigi Prefectural Fisheries Experimental Station
1966
Mycorrhizal symbiosis is one of the most fundamental types mutualistic plant-microbe interaction. Among many classes mycorrhizae, arbuscular mycorrhizae have general symbiotic style and longest history. However, genomes mycorrhizal (AM) fungi are not well characterized due to difficulties in cultivation genetic analysis. In this study, we sequenced genome AM fungus Rhizophagus clarus HR1, compared sequence with model species R. irregularis, checked for missing genes that encode enzymes...
Abstract Arbuscular mycorrhizal (AM) symbiosis is a mutually beneficial interaction between fungi and land plants promotes global phosphate cycling in terrestrial ecosystems. AM are recognised as obligate symbionts that require root colonisation to complete life cycle involving the production of propagules, asexual spores. Recently, it has been shown Rhizophagus irregularis can produce infection-competent secondary spores asymbiotically by adding fatty acid, palmitoleic acid. Furthermore,...
Arbuscular mycorrhizal fungus (AMF) species are some of the most widespread symbionts land plants. Our much improved reference genome assembly a model AMF, Rhizophagus irregularis DAOM-181602 (total contigs = 210), facilitated discovery repetitive elements with unusual characteristics. R. has only ten or 11 copies complete 45S rDNAs, whereas general eukaryotic tens to thousands rDNA copies. rDNAs highly heterogeneous and lack tandem repeat structure. These findings provide evidence for...
In higher plants, many extracellular proteins are involved in developmental processes, including cell–cell signaling and cell wall construction. Xylogen is an arabinogalactan protein (AGP) isolated from Zinnia elegans xylogenic culture medium, which promotes xylem differentiation. has a unique structure, containing non-specific lipid transfer (nsLTP) domain AGP domains. We searched for xylogen-type genes the genomes of land Arabidopsis thaliana, to further our knowledge as functional plants....
ABSTRACT In dimorphic yeasts, hyphal growth is primarily associated with infection and mycosis progression, Trichosporon asahii causing deep-seated summer-type hypersensitivity pneumonitis. Magnesium accelerates in T. , leading to multi-septation, vacuolar expansion, decreased lipid droplet size. However, the commonality of these phenotypes has not been studied Trichosporonales yeasts. Therefore, explore whether similar magnesium-induced occur across we examined growth, extension, size...
Abstract Wolbachia , a widespread endosymbiotic bacterium that infects broad range of arthropods and nematodes, relies on vertical transmission from mother to offspring. This process often involves colonization the host germline, subsequent transfer developing oocytes, utilization yolk protein transport mechanisms such as vitellogenin uptake. However, strategies employed by in viviparous insects aphids are poorly understood. Here, we demonstrate novel mode cedar bark aphid Cinara cedri...
Abstract Background Since DNA information was first used in taxonomy, barcode sequences such as the internal transcribed spacer (ITS) region have greatly aided fungal identification; however, a sequence alone is often insufficient. Thus, multi-gene- or whole-genome-based methods were developed. We previously isolated Basidiomycota yeasts classified Trichosporonales. Some strains described Cutaneotrichosporon cavernicola and C. spelunceum , whereas strain HIS471 remained unidentified....
Abstract The Japanese rhinoceros beetle Trypoxylus dichotomus is a giant with distinctive exaggerated horns present on the head and prothoracic regions of male. T. has been used as research model in various fields such evolutionary developmental biology, ecology, ethology, biomimetics, drug discovery. In this study, de novo assembly 615 Mb, representing 80% genome estimated by flow cytometry, was obtained using 10 × Chromium platform. scaffold N50 length 8.02 repetitive elements predicted to...
Mycorrhizae are one of the most fundamental symbioses between plants and fungi, with ectomycorrhizae being widespread in boreal forest ecosystems. Ectomycorrhizal fungi hypothesized to have evolved convergently from saprotrophic ancestors several fungal clades, especially members subdivision Agaricomycotina. Studies on genomes identified typical characteristics mycorrhizal such as genome size expansion decreases plant cell-wall degrading enzymes (PCWDEs). However, genomic changes concerning...
Abstract The lifetime development of the waggle dance 14 honeybees was automatically recorded just after imaginal molt using high-definition camera modules connected with a Raspberry Pi computer and numbered radio-frequency identification tags fitted to back each bee. For most honeybees, follow preceded appearance first from 1 week molt. duration per trip increased follow. Before dance, honeybee repeatedly follows dances that indicate limited number (2–6) food source locations. We...
The protein-bound polysaccharide of Coriolus versicolor QUEL (PS_K) expresses superoxide dismutase (SOD) mimicking activity. Examination was made the effects PS-K on cancer cell lines following administration anti-cancer drug cisdiaminedichloroplatinum (cisplatin). Cell proliferation each line inhibited markedly by cisplatin from 0.5 to 5 micrograms/0.5 ml per well. Fifty percent inhibitory concentration (IC50) 0.33 well in NRK-49F and human ovarian cells, 1.5 H4-II-E. 50 prevented...
Abstract Arbuscular mycorrhizal (AM) symbiosis is a mutually beneficial interaction between fungi and land plants promotes global phosphate cycling in terrestrial ecosystems. AM are recognised as obligate symbionts that require root colonisation to complete life cycle involving the production of propagules, asexual spores. Recently it has been shown Rhizophagus irregularis can produce infection-competent secondary spores asymbiotically by adding fatty acid, palmitoleic acid. Further,...
ABSTRACT The surface properties and antiplatelet adhesion behavior of terminally functionalized hyperbranched poly( l ‐lactide)s (HB PLLA n ‐Glu, = 5, 10, 20) were examined. Contact angle changes X‐ray photoelectron spectroscopic measurements indicated that the hydrated glutamic acid units in HB ‐Glu films migrated to during immersing water unique microdomains observed from PLLA10‐Glu film after immersion. PLLA5‐Glu prevented platelet adhesion, but PLLA20‐Glu showed typical response for a...
The Orchidaceae is one of the most famous garden plants, and improvement orchid very important in horticulture field. However, molecular information largely unknown. We found a Phalaenopsis variety harboring floral organs showing C class homeotic change. Column composed anthers with receptive stigmatic surface just underneath them wild type. However produced column sepal or petal like structure at abaxial side. This typical abnormality as mutants plants. Further, type looking revertant was...
Abstract The ribosomal RNA-encoding gene (rDNA) has a characteristic genomic nature: tens to thousands of copies in genome, tandemly repeated structure, and intragenomic sequence homogeneity. These features contribute ribosome productivity via physiological evolutionary processes. We reported previously the exceptional absence these model arbuscular mycorrhizal (AM) fungus Rhizophagus irregularis. Here we examine phylogenetic distribution rDNA genus improving genome R. clarus. Cross-species...
Fungi in the genus Termitomyces are external symbionts of fungus-growing termites. The three rhizogenic species T. eurrhizus, clypeatus, and intermedius, one similar to microcarpus that lacks pseudorrhiza, have been reported from Ryukyu Archipelago, Japan. In contrast, only two genetic groups (types A B) vegetative mycelia detected nests termite Odontotermes formosanus. this study, we investigated relationships between mycelial basidiomata samples Archipelago. We found all basidioma...
Abstract Arbuscular mycorrhizal fungus (AMF) species are one of the most widespread symbionts land plants. Our substantially improved reference genome assembly a model AMF, Rhizophagus irregularis DAOM-181602 (total contigs = 210), facilitated discovery repetitive elements with unusual characteristics. R. has only ten or eleven copies complete 45S rDNAs, whereas general eukaryotic tens to thousands rDNA copies. rDNAs highly heterogeneous and lack tandem repeat structure. These findings...
ISHS International Symposium on Asian Pears, Commemorating the 100th Anniversary of Nijisseiki Pear EFFECT OF INTERMITTENT WARM PERIODS ON BUD BREAK AND CARBOHYDRATE CONTENTS JAPANESE PEAR (PYRUS PYRIFOLIA NAKAI) AT DIFFERENT ENDODORMANCY STAGES