{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1363670321032882944.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/(sici)1098-2280(1999)34:1<9::aid-em2>3.0.co;2-e"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F(SICI)1098-2280(1999)34:1%3C9::AID-EM2%3E3.0.CO;2-E"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full/10.1002/(SICI)1098-2280(1999)34:1%3C9::AID-EM2%3E3.0.CO;2-E"}},{"identifier":{"@type":"PMID","@value":"10462718"}}],"dc:title":[{"@value":"Spi? selection: An efficient method to detect ?-ray-induced deletions in transgenic mice"}],"description":[{"notation":[{"@value":"Despite the importance of genome rearrangement in the etiology of cancer and human genetic disease, deletion mutations are poorly detectable by transgenic rodent mutagenicity tests. To facilitate the detection and molecular analysis of deletion mutations in vivo, we established a transgenic mouse model harboring a lambdaEG10 shuttle vector that includes the red and gam genes for Spi(-) (sensitive to P2 interference) selection [Nohmi et al. (1996] Environ. Mol. Mutagen. 28:465-470]. This selection has a great advantage over other genetic systems, because phage deletion mutants can be preferentially selected as Spi(-) plaques, which can then be subjected to molecular analysis. Here, we show nucleotide sequences of 41 junctions of deletion mutations induced by gamma-irradiation. Unlike spontaneous deletion mutants, more than half of the large deletions occurred between short homologous sequences from one to eight bp. The remaining junctions had no such homologous sequences. Intriguingly, two Spi(-) mutants had P (palindrome)-like nucleotide additions at the breakpoints, which are frequently observed in the coding junctions of V(D)J recombination, suggesting that broken DNA molecules with hairpin structures can be intermediates in the repair of radiation-induced double-strand breaks. We conclude that Spi(-) selection is useful for the efficient detection of deletion mutations in vivo and that most rearrangements induced by gamma-rays in mice are mediated by illegitimate recombination through DNA end-joining."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380294643791440012","@type":"Researcher","foaf:name":[{"@value":"T. Nohmi"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882948","@type":"Researcher","foaf:name":[{"@value":"M. Suzuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882944","@type":"Researcher","foaf:name":[{"@value":"K. Masumura"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882951","@type":"Researcher","foaf:name":[{"@value":"M. Yamada"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882947","@type":"Researcher","foaf:name":[{"@value":"K. Matsui"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882945","@type":"Researcher","foaf:name":[{"@value":"O. Ueda"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882953","@type":"Researcher","foaf:name":[{"@value":"H. Suzuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882950","@type":"Researcher","foaf:name":[{"@value":"M. Katoh"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882952","@type":"Researcher","foaf:name":[{"@value":"H. Ikeda"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670321032882946","@type":"Researcher","foaf:name":[{"@value":"T. Sofuni"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"08936692"},{"@type":"EISSN","@value":"10982280"}],"prism:publicationName":[{"@value":"Environmental and Molecular Mutagenesis"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"1999","prism:volume":"34","prism:number":"1","prism:startingPage":"9","prism:endingPage":"15"},"reviewed":"false","dc:rights":["http://doi.wiley.com/10.1002/tdm_license_1.1"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F(SICI)1098-2280(1999)34:1%3C9::AID-EM2%3E3.0.CO;2-E"},{"@id":"https://onlinelibrary.wiley.com/doi/full/10.1002/(SICI)1098-2280(1999)34:1%3C9::AID-EM2%3E3.0.CO;2-E"}],"createdAt":"2002-08-25","modifiedAt":"2023-04-03","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Base%20Sequence","dc:title":"Base Sequence"},{"@id":"https://cir.nii.ac.jp/all?q=Genes,%20Viral","dc:title":"Genes, Viral"},{"@id":"https://cir.nii.ac.jp/all?q=Molecular%20Sequence%20Data","dc:title":"Molecular Sequence Data"},{"@id":"https://cir.nii.ac.jp/all?q=Chromosome%20Mapping","dc:title":"Chromosome Mapping"},{"@id":"https://cir.nii.ac.jp/all?q=Mice,%20Transgenic","dc:title":"Mice, Transgenic"},{"@id":"https://cir.nii.ac.jp/all?q=Bacteriophage%20lambda","dc:title":"Bacteriophage lambda"},{"@id":"https://cir.nii.ac.jp/all?q=Polymerase%20Chain%20Reaction","dc:title":"Polymerase Chain Reaction"},{"@id":"https://cir.nii.ac.jp/all?q=DNA-Binding%20Proteins","dc:title":"DNA-Binding Proteins"},{"@id":"https://cir.nii.ac.jp/all?q=Mice","dc:title":"Mice"},{"@id":"https://cir.nii.ac.jp/all?q=Viral%20Proteins","dc:title":"Viral Proteins"},{"@id":"https://cir.nii.ac.jp/all?q=Gamma%20Rays","dc:title":"Gamma Rays"},{"@id":"https://cir.nii.ac.jp/all?q=DNA,%20Viral","dc:title":"DNA, Viral"},{"@id":"https://cir.nii.ac.jp/all?q=Mutation","dc:title":"Mutation"},{"@id":"https://cir.nii.ac.jp/all?q=Animals","dc:title":"Animals"},{"@id":"https://cir.nii.ac.jp/all?q=DNA%20Primers","dc:title":"DNA Primers"},{"@id":"https://cir.nii.ac.jp/all?q=Sequence%20Deletion","dc:title":"Sequence Deletion"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360285707509216000","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Genotoxicity of phenacetin in the kidney and liver of Sprague-Dawley gpt delta transgenic rats in 26-week and 52-week repeated-dose studies"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285709643125760","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Ochratoxin A induces DNA double-strand breaks and large deletion mutations in the carcinogenic target site of gpt delta rats"}]},{"@id":"https://cir.nii.ac.jp/crid/1360565166036499072","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"In vivo genotoxicity of a novel heterocyclic amine, 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