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Internal amino acid sequence analysis of proteins separated by one-or two-dimensional gel electrophoresis after in situ protease digestion on nitrocellulose (protein sequence analysis/electroblotting/peptide mapping/Edman degradation) ABSTRACT We have developed a general two-step method for obtaining peptide fragments for sequence analysis from picomole(More)
Mice homozygous for the autosomal recessive mutation shiverer (shi) lack myelin basic protein (MBP) and exhibit a distinct behavioral pattern including tremors (shivering), convulsions, and early death. We have previously demonstrated that shiverer mice have a partial deletion in the gene encoding MBP. We now have introduced the wild-type MBP gene into the(More)
The two major structural proteins in the shark CNS are similar to the structural proteins, Po and myelin basic protein (MBP), found in the mammalian peripheral nervous system (PNS). Shark Po is 46% similar to its mammalian counterpart. The extracellular domain of shark Po also appears to be organized as an immunoglobulin-like domain that mediates homotypic(More)
Spinal cord injury in adult mammals causes atrophy or death of some axotomized neurons. The product of the antiapoptotic gene Bcl-2 prevents neuron death in vivo. We delivered Bcl-2 by intraspinal injection of a DNA plasmid encoding this gene to determine if axotomized neurons destined to undergo retrograde death could be rescued. Axons of the right side(More)
This paper describes a new environment, COE, for capturing and formally representing expert knowledge for use in the Semantic Web. COE exploits the ease of use and rapid knowledge construction capabilities of the CmapTools concept mapping system and extends them to support the import and export of formal, machine-interpretable knowledge representations,(More)
Spinal cord injury in adult mammals causes atrophy or loss of axotomized neurons. We have previously found that the product of the antiapoptotic gene Bcl-2, delivered by intraspinal injection of a DNA plasmid, reduces atrophy and loss of axotomized Clarke's nucleus neurons in adult rats. Here we studied whether the same treatment protects axotomized red(More)
Myelin basic proteins (MBPs) are a family of alternatively spliced isoforms present in myelin sheaths of most vertebrates. A reverse transcriptase-polymerase chain reaction (RT-PCR) approach was used to clone MBP isoforms in species representing two superorders of elasmobranchs: Squalus acanthias, representing Squalomorph sharks, and Raja erinacia,(More)
Measurements at various temperatures of the linking number of yeast 2 microns plasmid DNA in wild-type cells and in cells bearing mutations in the DNA topoisomerase I and II genes show that bulk 2 microns plasmid minichromosome are maintained in a relaxed state by the combined action of topoisomerases I and II. Bulk 2 microns minichromosomes are not under(More)
The Golli-mbp gene complex contains two overlapping transcription units with two distinct promoters, of which the downstream (myelin basic protein [mbp]) promoter is more frequently used. A previous comparison of the downstream promoter sequences from shark and mouse allowed the identification of two DNA sequences called the boxes I and II and the wobble(More)