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The bacteriophage P1 cloning system can package and propagate DNA inserts that are up to 95 kilobases. Clones are maintained in Escherichia coli by a low-copy replicon in the P1 cloning vector and can be amplified by inducing a second replicon in the vector with isopropyl beta-D-thiogalactopyranoside. To overcome the necessity of screening clones for DNA(More)
The 70,000-D heat shock protein (HSP70) gene family includes both heat-inducible and constitutively expressed genes. We have mapped five murine HSP70 genes to specific sites on three separate chromosomes. Southern blot analysis of Chinese hamster x mouse somatic cell DNAs was used to assign the gene for the 78,000-D glucose-regulated protein (Grp78) to(More)
In several mammalian species the tissue kallikreins constitute gene families whose members encode a highly related subgroup of the simple serine proteases. Previous characterization of kallikrein genes in the rat identified 13 of the potential 15-20 members present in this species. To characterize comprehensively all members of the rat gene family and to(More)
Like a variety of other bacteriophages, such as T4 and P22, bacteriophage P1 packages DNA by a "headful" mechanism in which the capacity of the viral capsid determines the size of the single DNA molecule that is packaged. Because of the long-standing and general acceptance of this packaging mechanism, we were surprised to discover that some of our(More)
The packaging of bacteriophage P1 DNA is initiated by cleavage of the viral DNA at a specific site, designated pac. The proteins necessary for that cleavage, and the genes that encode those proteins, are described in this report. By sequencing wild-type P1 DNA and DNA derived from various P1 amber mutants that are deficient in pac cleavage, two distinct(More)
The 2013 Pacific Coast Action Plan on Climate and Energy signed by the Governors of California, Oregon, and Washington and the Premier of British Columbia launched a broadly announced public commitment to reduce greenhouse gas emissions through multiple strategies. Those strategies include the development and increased use of renewable energy sources. The(More)