T. Ootaki, A. Miyazaki, J. Fukui, Yuji Kimura, Seiichi Umemura, R. Okazaki, M. Jayaram
{"title":"A high efficient method for introduction of exogenous genes into Phycomyces blakesleeanus","authors":"T. Ootaki, A. Miyazaki, J. Fukui, Yuji Kimura, Seiichi Umemura, R. Okazaki, M. Jayaram","doi":"10.1266/JJG.66.189","DOIUrl":null,"url":null,"abstract":"An efficient method is described for obtaining transformants in Phycomyces by microinjection of plasmid DNA carrying the kanamycin resistance gene from Tn903 into a young sporangium. Approximately 9% of the colonies, germinated from the spores which were developed in the sporangium, were resistant to G418 when a 36 ng sample of the transforming plasmid DNA was injected into a sporangium. The transformation efficiency (transfomants/total colonies) was about 350 times higher than that (transfomants/total protoplasts) obtained with the ordinary protoplast method.","PeriodicalId":22578,"journal":{"name":"The Japanese Journal of Genetics","volume":"29 1","pages":"189-195"},"PeriodicalIF":0.0000,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Japanese Journal of Genetics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1266/JJG.66.189","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
An efficient method is described for obtaining transformants in Phycomyces by microinjection of plasmid DNA carrying the kanamycin resistance gene from Tn903 into a young sporangium. Approximately 9% of the colonies, germinated from the spores which were developed in the sporangium, were resistant to G418 when a 36 ng sample of the transforming plasmid DNA was injected into a sporangium. The transformation efficiency (transfomants/total colonies) was about 350 times higher than that (transfomants/total protoplasts) obtained with the ordinary protoplast method.
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