農学部研究紹介2017-2018_英語版

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Laboratory of Soil BiologyKatsuharuSAITOAssociateProfessorKeywords;MycorrhizalsymbiosisPlantnutritionSoilbiologyPlantmoleculargeneticsCellbiologyoffungiMaintainingsoilfertilityisoneofthemostsignificantaspectsofsustainableagriculture.However,declineinsoilfertilityoccursallovertheworld.Inourlaboratory,wefocusonthefunctionsofmycorrhizalandnodulesymbiosesinplant-microbesinteractions,whichcontributetoplantnutrition,andareinterestedinapplicationsofthesesymbiosestoagriculturalproduction.Molecular mechanisms underlying mineral transfer in arbuscular mycorrhizal symbiosisABCDABCRoot nodule and mycorrhizal symbioses.Experiments on plant-microbe interactions.Molecular genetics of arbuscular mycorrhizal symbiosis and root nodule symbiosis using model legume plantsMass production of arbuscular mycorrhizal fungi and utilization them for crop productionDivision of Plant Science and ResourcesPhosphorus cycling in agro-ecosystems from the viewpoint of mycorrhizal symbiosis Laboratory of Microbe-Plant InteractionsHirokiIRIEDAAssistant ProfessorFungus-plantinteractionsAnthracnose diseaseColletotrichumChloroplast dynamicsEffectorPlantpathogenicfungiareresponsiblefor70-80%ofallknownplantdiseases.Thus,plantprotectionespeciallyfromfungalpathogensisaverycriticalproblemforhumansociety.LaboratoryofMicrobe-PlantInteractionsisfocusingonthepathosystemsbetweenColletotrichumfungi,causalagentsofanthracnosediseases,andtheirhostplants.Understandingthemolecularmechanismsunderlyingfungalpathogenicityandplantdefenseswillsupportdevelopmentofnewmethodsfordiseasecontrolandprevention.ABCDABCTosuccessfullyinfectaplant,fungalpathogens(e.g.Anthracnosefungi)suppresshostimmunity.CucumberleafinfectedbyC.orbiculare(left).Fungalhyphalabelledwithgreenfluorescentproteininbiotrophicinvasivestage(right).Novel chloroplast response induced by non-adapted Colletotrichumfungi in plant epidermis.Molecular basis of infection strategy in plant pathogenic Colletotrichumfungi.Division of Plant Science and ResourcesDevelopment of new methods for control of anthracnose diseases.26