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  • Title: Multiple alpha and beta tubulin genes represent unlinked and dispersed gene families.
    Author: Cleveland DW, Hughes SH, Stubblefield E, Kirschner MW, Varmus HE.
    Journal: J Biol Chem; 1981 Mar 25; 256(6):3130-4. PubMed ID: 6259149.
    Abstract:
    Cloned cDNA sequences specific for alpha or beta tubulin mRNAs have been used to show that the multigene families which encode either alpha or beta tubulin are unlinked and dispersed throughout the chicken genome. Fractions of chicken chromosomes partially purified by centrifugation on a sucrose gradient were digested with restriction endonucleases and electrophoresed on agarose gels. The DNA was transferred to nitrocellulose filters and hybridized to labeled probes constructed from cloned cDNA sequences specific for alpha or beta tubulin. We find alpha tubulin sequences on four different chicken chromosomes and beta tubulin sequences on at least two different chromosomes. Moreover, using chicken chromosomes further purified with a fluorescent cell sorter, we have been able unambiguously to localize alpha tubulin genes to chromosome 1 and chromosome 8 and two of the beta genes to chromosome 2.
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