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The plasmalemma and hyaline ectoplasm together constitute the sensory and motor organ of macrophages. The purpose of this study was to isolate this cell fraction in order to analyze it biochemically and functionally. Brief sonification of warmed rabbit lung macrophages caused release of heterodisperse hyaline blebs and filopodia, which were easily collected(More)
Macrophage pseudopodia that surround objects during phagocytosis contain a meshwork of actin filaments and exclude organelles. Between these pseudopodia at the base of developing phagosomes, the organelle exclusion ceases, and lysosomes enter the cell periphery to fuse with the phagosomes. Macrophages also extend hyaline pseudopodia on the surface of nylon(More)
We have determined the nucleotide sequence of aroG, the gene coding for 3-deoxy-D-arabinoheptulosonate-7-phosphate synthetase(phe), one of three isoenzymes that catalyse the first step of the biosynthesis of aromatic amino acids and vitamins in Escherichia coli K12. The DNA sequence agrees with previously published data on the N-terminal sequence, amino(More)
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