Sharon E. Radke

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Medium-chain fatty acids (FAs), found in storage lipids of certain plants, are an important renewable resource. Seeds of undomesticated California bay accumulate laurate (12:0), and a 12:0-acyl-carrier protein thioesterase (BTE) has been purified from this tissue. Sequencing of BTE enabled the cloning of a complementary DNA coding for a plastid-targeted(More)
Molecular gene transfer techniques have been used to engineer the fatty acid composition of Brassica rapa and Brassica napus (canola) oil. Stearoyl-acyl carrier protein (stearoyl-ACP) desaturase (EC 1.14.99.6) catalyzes the first desaturation step in seed oil biosynthesis, converting stearoyl-ACP to oleoyl-ACP. Seed-specific antisense gene constructs of B.(More)
Transformation and regeneration procedures for obtaining transgenic Brassica rapa ssp. oleifera plants are described. Regeneration frequencies were increasedby using silver nitrate and by adjusting the duration of exposure to 2,4-D. For transformation, Agrobacterium tumefaciens strain EHA101 containing a binary plasmid with the neomycin phosphotransferase(More)
Oleosins are small hydrophobic abundant proteins localized in the oil bodies of plant seeds. An oleosin gene from the monocotyledonous maize (Zea mays L.) was transferred into the dicotyledonous Brassica napus L. using Agrobacterium-mediated transformation. The maize oleosin gene was placed under the control of either its own promoter/terminator or the(More)
OBJECTIVE To examine the significance of power Doppler sonography (PDS) in the diagnosis of synovial hypertrophy of the knee joint by verifying and comparing the PDS findings with histopathologic findings of synovial membrane vascularity. METHODS The knee joints of 23 patients who were undergoing arthroplasty of the knee joint because of osteoarthritis or(More)
Angiogenesis and bone repair are closely linked processes. VEGF, CYR61, and CTGF have been identified as signaling factors that control angiogenesis and could be important in fracture healing. The purpose of this study was to investigate the expression of these signaling factors in osteonecrosis of the femoral head. Twenty-one bone cylinders were retrieved(More)
Genetically transformed plants of Brassica napus L. (oilseed rape) were obtained from hypocotyl expiants using Agrobacterium tumefaciens vectors. Hypocotyl explants were inoculated with disarmed or oncogenic A. tumefaciens strains, EHA101 and A281, and then cultured on media containing kanamycin. The A. tumefaciens strains harbored a binary vector, which(More)
Single transgene copy, vector backbone-free transgenic crop plants are highly desired for functional genomics and many biotechnological applications. We demonstrate that binary vectors that use a replication origin derived from the Ri plasmid of Agrobacterium rhizogenes (oriRi) increase the frequency of single copy, backbone-free transgenic plants in(More)
Local swellings of the foot are a common presentation in rheumatological practice. In the following case report, an epidermoid cyst presenting with the typical features of monoarticular arthritis is described in a 27-year-old woman. The differential diagnosis of forefoot swelling is discussed, with particular emphasis on epidermoid cysts and monoarticular(More)
We showed previously that a gene, designated AX92, which is expressed at an early stage of cortex differentiation in the root apex of oilseed rape seedlings, is also expressed in embryos. To compare AX92 gene regulation during embryo-genesis and postembryonic growth, we constructed a chimeric gene consisting of AX92 5' and 3' untranslated and flanking(More)