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By using the rice EST database, we have isolated a 2.8 kb cDNA, termed Oryza sativa ORC1 (OsORC1), from rice (O. sativa) encoding a protein that shows homology with the eukaryotic ORC1 proteins. Alignment of the OsORC1 protein sequence with the sequence of ORC1 from human and yeasts S. cerevisiae and S. pombe showed a high degree of sequence homology (38.7,(More)
Highly efficient catalytic oxidation of alcohols with molecular oxygen by N-hydroxyphthalimide (NHPI) combined with a Co species was developed. The oxidation of 2-octanol in the presence of catalytic amounts of NHPI and Co(OAc)2 under atmospheric dioxygen in AcOEt at 70 degrees C gave 2-octanone in 93% yield. The oxidation was significantly enhanced by(More)
We study the BRST cohomology for SL(2, R)/U(1) coset model, which describes an exact string black hole solution. It is shown that the physical spectrum could contain not only the extra discrete states corresponding to those in c = 1 two-dimensional gravity but also many additional new states with ghost number NFP = −1 ∼ 2. We also discuss characters for(More)