F_研究紹介2021_英語版
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OutlookforstudentsaftergraduationDeveloping the genetic resources of domestic and wild silkworms to make a brand of silk44Department of Applied BiologyIamcarryingoutresearchintogeneticbreeding,ecdysisandmetamorphosis,andthegeneticrelationshipofthesilkwormtoitsrelative,thegiantsilkworm(naturalsilkworm).MylabcultivatesexcellentstrainsofnaturalsilkwormsinordertoreinvigorateJapan‘ssilkindustry.Thisisdonebysupportingtheraisingofnaturalsilkwormsinsilk‐producingregions.Mygoalistotrainnewtalentthatcancarryonthetraditionofcultivatingandproducingnaturalsilk.Thiswillcreateafuture,wheretheproductionofsilkandotheragriculturalproductsisreinvigoratedthroughacollaborationbetweenagriculture,business,andindustry.Graduatesgoontograduateschoolorworkattextileandfoodcompanies,JA,orlocalcompanies.Someserveasmiddleschoolteachersandpublicofficialsinagriculturalstudies.ProfessorZentaKajiuraProfessorKajiura'sacademiccredentialsareinagriculture,andhisareasofspecializationincludeagricultureandappliedentomology,moleculargenetics.Keywords:DNA,bio‐resources,breedingCocoons and silk from natural silkworms. The cocoons take on a beautiful green color that is unique to Japanese cocoons.Isucceededinbreedingthelargewildsilkworm.Standardwildsilkwormsareshowninthetoprow.Thelargewildsilkwormisshowninthebottomrow.Iusuallyneedmorethan3000cocoonsofthestandardwildsilkwormtoget1kgrawsilk.However,Ionlyneedapproximately2000cocoonsifIusethelargesizewildsilkworm.Outlook for research Department of Applied BiologyOutlook for research Using insects’ high‐performance sensors to develop methods for exterminationSilkworm eggs. Non‐diapause eggs hatched 9–10 d after oviposition (left), but diapause eggs never hatched 60 d after oviposition, and normal embryogenesis was arrested (right).Department of Applied BiologyIamcarryingoutresearchonthesensorscarriedbyinsectstomonitorthearrivaloftheseasonsviasensorproteinsthatrespondtotemperatureanddaylength.Myfindingscanbeappliedtotheexterminationofpestsandinvasivespeciesthroughsuchtechniquesascausingeggstohatchinwinterandmakingadultinsectswithoutwingsgrowthem.Thisapproachisgarneringattentionasapestexterminationmethodthatdoesnotharmnatureorhumans.Theabilitytocontrolthedormantstageofinsectsisusefulnotonlyforexterminatingpests,butalsoforprotectingecosystems.Further,Ibelievethatexplainingtheecologyofinsectscancontributesolutionsforglobalenvironmental,food‐related,andmedicalproblems.Graduatescanfindemploymentatfoodandpharmaceuticalcompanies,environmentalcompaniesworkingwithnature,companiesengagedingeneticanalysis,andeventrade‐relatedinspectioncompanies.OutlookforstudentsaftergraduationProfessorKunihiroShiomiProfessorShiomitookhiscurrentpositionin2021afterservingintheFacultyofTextileScienceandTechnologyatShinshuUniversityasanassistantprofessor.Hisareasofresearchincludeenvironmentalmolecularentomologyandappliedentomologywithafocusonthedormancy,metamorphosis,andseasonalmorphologyofinsects.Astudentobservesculturedcellsintowhichinsectsensorgeneshavebeeninserted.UsefulgenesareclonedfrominsectsoftheorderLepidoptera.

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