Bruce Boschek

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We report on quantitative analyses of C5b-9 binding to target red blood cells (RBC) lysed through the action of drug (nomifensine)-dependent antibodies (ddab) and anti-RBC antibodies (warm plus cold agglutinins). Immunoradiometric assays showed that, at any given degree of haemolysis, more C5b-9 was bound to cells sensitized with anti-RBC antibodies(More)
NRK cells transformed by the McDonough strain of feline sarcoma virus (SM-FeSV) were mutagenized by the use of 5'-azacytidine. Four cell lines expressing different transformation-defective phenotypes were isolated. Superinfection of these cell lines with simian sarcoma-associated virus (SSAV) led in three instances to the recovery of transforming virus(More)
A bacteriophage (phi 1.2) has been isolated for Escherichia coli K235 (O1:K1:H-). phi 1.2 is specific for the host capsular polysaccharide (colominic acid). The phage forms plaques with acapsular halos and thus carries a glycanase activity for colominic acid, a homopolymer of alpha (2 leads to 8)-linked N-acetylneuraminic acid (NeuNAc) residues. Upon(More)
The intracellular sites of biosynthesis of the structural proteins of murine hepatitis virus A59 have been analyzed using cell fractionation techniques. The nucleocapsid protein N is synthesized on free polysomes, whereas the envelope glycoproteins E1 and E2 are translated on the rough endoplasmic reticulum (RER). Glycoprotein E2 present in the RER contains(More)
For Escherichia coli Bos12 (O16:K92:H-), a bacteriophage (phi 92) has been isolated which carries a depolymerase active on the K92 capsular polysaccharide. As seen under the electron microscope, phi 92 belongs to Bradley's morphology group A and is different from the phage phi 1.2 previously described (Kwiatkowski et al., J. Virol. 43:697-704, 1982), which(More)
Burgia malayi andB. pahangi microfilariae were isolated from the blood of infectedMastomys natalensis, and were exsheathed by freezing, thawing and agitation. Pure sheaths were obtained by a filtration procedure. The sheaths were found to contain about 95 mol% of amino acids, with proline, glutamic acid/glutamine, alanine, cysteine/cystine and glycine being(More)
The v-fms oncogene of the McDonough strain of feline sarcoma virus (SM-FeSV) encodes a plasma-membrane-associated tyrosine kinase (gp140v-fms) which is closely related, both structurally and functionally, to the c-fms-specified receptor for the macrophage colony stimulating factor (CSF-1). In mammalian fibroblasts, the natural producers of CSF-1, expression(More)
A malate dehydrogenase was purified from the unicellular green alga Chlorogonium elongatum Dangeard. The enzyme was localized in the mitochondria by immunogold electron microscopy and was found to be present on the cristae. The concentration of the enzyme is regulated by acetate and light. In cells cultured heterotrophically with acetate as carbon source(More)
BACKGROUND Drinking bottles and stove-top moka pots made of aluminum have become very popular. Storing drinks in bottles and preparing coffee in a moka pot may result in the migration of aluminum to the beverage. RESULTS/CONCLUSIONS In a systematic study of aluminum drinking bottles, it has been shown that drinking a mixture of apple juice and mineral(More)