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. 1979 Dec;18(4):1273-83.
doi: 10.1016/0092-8674(79)90238-1.

The linkage arrangement of four rabbit beta-like globin genes

The linkage arrangement of four rabbit beta-like globin genes

E Lacy et al. Cell. 1979 Dec.

Abstract

Four different regions of rabbit beta-like globin gene sequences designated beta 1, beta 2, beta 3 and beta 4 were identified in a set of clones isolated from a bacteriophage lambda library of chromosomal DNA fragments (Maniatis et al., 1978). Restriction mapping and blot hybridization (Southern, 1975) studies indicate that a subset of these clones containing beta 1 and beta 2 hybridizes to an adult beta-globin cDNA clone (Maniatis et al., 1976) more efficiently than to a human gamma-globin cDNA clone (Wilson et al., 1978), while another subset containing beta 3 and beta 4 displays the converse hybridization specificity. beta 1 was identified as the adult beta-globin gene, while beta 2, beta 3 and beta 4 have not been identified with any known rabbit globin polypeptides. Cross-hybridization and transcriptional orientation experiments indicate that the set of beta-like gene clones contains overlapping restriction fragments encompassing 44 kb of rabbit chromosomal DNA. In addition, all four genes have the same transcriptional orientation and are arranged in the order 5'-beta 4-beta 3-beta 2-beta 1-3'.

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