S. -N. Chen

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Mouse hybridoma antibodies against 5 different structural components of measles virus were used in immune fluorescence tests to characterize the appearance of viral antigens in productively infected cell cultures. The antibodies employed in the tests reacted specifically with the hemagglutinin (H, 79K), polymerase (P, 72K), nucleocapsid (NP, 60K)(More)
Cells of healthy maize plants as well as those infected by maize dwarf mosaic potyvirus were examined by electron microscopy for the location of ATPase activity. In healthy and virus infected plants, ATPase activity was found in plasma membranes, chloroplast thylakoid membranes, nuclear membranes and in mitochondria. In virus-infected cells, ATPase activity(More)
Thin sections of leaves of plants infected by tobacco etch potyvirus (TEV) or tobacco mosaic virus (TMV) were examined for the presence of ATPase activity by electron microscopy. ATPase activity was found as expected in mitochondria, chloroplasts and plasmalemma of both uninfected as well as cells infected by either TEV or TMV. In the TEV-infected cells,(More)
Human cytomegalovirus (HCMV) displays genetic polymorphisms. HCMV disease and tissue tropism may be related to specific genomic variability among strains. This work analyzed the genetic polymorphism of UL141 open reading frame (ORF), one of the genes in HCMV UL/b′ region, from 21 clinical strains. 8 previously published UL141 sequences in the GenBank were(More)
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