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The facultative phototrophic bacterium Rhodobacter capsulatus contains only one form of cytochrome (cyt) c oxidase, which has recently been identified as a cbb3-type cyt c oxidase. This is unlike other related species, such as Rhodobacter sphaeroides and Paracoccus denitrificans, which contain an additional mitochondrial-like aa3-type cyt c oxidase. An(More)
We identify Osh3p, one of seven yeast oxysterol-binding protein (OSBP) homologs, by its protein-protein interactions with a DEAD-box RNA helicase, Rok1p. The ROK1 gene was initially identified by its ability on a high-copy number plasmid to suppress the nuclear fusion defect caused by the kem1 null mutation. Our results show that OSH3 also affects nuclear(More)
The expression of CD23 on human tonsillar B cells is increased following treatment with interleukin 4 (IL-4) or 12-O-tetradecanoylphorbol 13-acetate (TPA), while that of surface immunoglobulins (sIgs) is increased by IL-4 but decreased by TPA. This suggests that the signaling by these effectors may result from distinct second messenger-generating systems.(More)
e15058 Background: Docetaxel, a microtubule-targeting agent, is the current standard of care for symptomatic metastatic castrate-resistant prostate cancer. Understanding the mechanisms underlying docetaxel resistance may help clinicians tailor patient treatment and develop strategies to overcome resistance. Our analysis identified the underexpression of(More)
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