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The bacteriophage population is large, dynamic, ancient, and genetically diverse. Limited genomic information shows that phage genomes are mosaic, and the genetic architecture of phage populations remains ill-defined. To understand the population structure of phages infecting a single host strain, we isolated, sequenced, and compared 627 phages of(More)
The fundamental studies of Landsteiner and his coworkers (1) on complex antigens have established the important principle that the introduction into the protein molecule of a simple non-protein radical confers a new immunological specificity on the antigenic compound. Furthermore, this newly acquired specificity has been shown to depend upon the nature of(More)
Growth of human hematopoietic cell lines showed a 100-fold range of sensitivity to inhibition by 2-chloro-2'-deoxyadenosine (CldAdo), with highly sensitive lines in all three groups: T-lymphoblastic, B-lymphoblastic, and non-T, non-B. Formation of nucleotides from [8-3H]CldAdo was investigated in ten lines. In cells exposed to 0.15 microM CldAdo, CldAdo(More)
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