Madhu Kannapiran

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Transcription on chromatin by RNA polymerase II (pol II) is repressed as compared with transcription on histone-free DNA. In this study, we show that human topoisomerase I (topo I) and yeast topoisomerase II (topo II), each of which relax both positive and negative superhelical tension, reverse the transcriptional repression by chromatin. In the presence of(More)
The effect of oxalate, a constituent of renal stone, on the expression of nuclear pore complex oxalate binding protein (gp210) in Vero monkey kidney cells was examined. The expression of this protein was found to increase more in mitotic phase than in S phase, suggesting cell cycle dependency. Exposure of cells to oxalate-containing growth medium resulted(More)
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