Toshihiko Takagi

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In the present study, to investigate the mechanisms regulating carotenoid accumulation in citrus, a culture system was set up in vitro with juice sacs of three citrus varieties, Satsuma mandarin (Citrus unshiu Marc.), Valencia orange (Citrus sinensis Osbeck), and Lisbon lemon (Citrus limon Burm.f.). The juice sacs of all the three varieties enlarged(More)
A human rotavirus isolate (the 69M strain) with a "super-short" RNA electropherotype has been classified as serotype 8, a new human serotype [Matsuno et al., 1985]RNA-RNA hybridization using 32P-labeled transcription probes was used to assess the genetic relatedness of the 69M strain to a panel of human and animal rotaviruses. The 69M strain showed a medium(More)
Abasic (AP) sites in DNA arise from spontaneous reactions or the action of DNA glycosylases and represent a loss of genetic information. The AP sites can be mutagenic or cytotoxic, and their repair is initiated by class II AP endonucleases, which incise immediately 5' to AP sites. The main enzyme of S. cerevisiae. Apn1, provides cellular resistance to(More)
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