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  • Title: Isolation of chicken cellular DNA sequences with homology to the region of viral oncogenes that encodes the tyrosine kinase domain.
    Author: Foster DA, Levy JB, Daley GQ, Simon MC, Hanafusa H.
    Journal: Mol Cell Biol; 1986 Jan; 6(1):325-31. PubMed ID: 3023834.
    Abstract:
    A library of chicken genomic DNA was screened for sequences that could hybridize to a cloned DNA fragment containing the transforming gene (v-fps) of Fujinami sarcoma virus. In addition to c-fps, two unique chicken cellular DNA sequences were isolated that hybridized weakly to v-fps. These sequences hybridized with many other viral oncogenes encoding tyrosine kinases. Sequence analysis of the region where homology was detected revealed a region that is highly conserved among the tyrosine kinases both at the nucleotide and amino acid levels. Although we were unable to detect expression of either chicken cellular DNA sequence in a variety of avian tissues, the data suggest the existence of additional members of the tyrosine kinase gene family. Screening genomic libraries for sequences that hybridize weakly to functional regions of other genes may prove useful for the isolation and characterization of additional members of other gene families.
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