Dianzhong Zhang

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In Chlamydomonas reinhardtii, the genes required for nitrate assimilation, including the gene encoding nitrate reductase (NIT1), are subject to repression by ammonia. To study the mechanism of ammonia repression, we employed two approaches to search for mutants with defective repression of NIT1 gene expression. (1) PF14, a gene required for flagellar(More)
Osteosarcoma is the most common primary malignant bone tumor with a very poor prognosis. Treating osteosarcoma remains a challenge due to its high transitivity. Tenascin-C, with large molecular weight variants including different combinations of its alternative spliced FNIII repeats, is specifically over expressed in tumor tissues. This study examined the(More)
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