Characterization and Phylogenetic Significance of a Repetitive DNA Sequence from Whooping Cranes (Grus americana) | Zendy

Prescott L. Deininger | Zendy

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Characterization and Phylogenetic Significance of a Repetitive DNA Sequence from Whooping Cranes (Grus americana)

Author(s) -

Prescott L. Deininger

Publication year - 1992

Publication title -

ornithology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.077

H-Index - 94

eISSN - 1938-4254

pISSN - 0004-8038

DOI - 10.2307/4088267

Subject(s) - grus (genus) , biology , genome , repeated sequence , sandhill , genetics , phylogenetic tree , whole genome sequencing , dna sequencing , evolutionary biology , zoology , dna , gene , ecology , habitat

ABSTR•CT.--We surveyed a Whooping Crane (Grus americana) genomic library enriched for repetitive clones, and isolated a clone whose insert hybridized stringently to a repeated-DNA family in the genomes of Whooping Cranes, but not Sandhill Cranes (G. canadensis). This tandem sequence, repeated approximately 500 times in the Whooping Crane genome, displays taxon-specific properties uggesting that the Common Crane (G. grus) is the Whooping Crane's nearest living relative. Low-stringency hybridizations with this repeat produced conserved patterns in all cranes except crowned-cranes (Balearica), which indicates an early divergence of the crowned-cranes and the remaining cranes. Sequence and DNA-hybridization analyses imply that this repeat is a satellite sequence of similar complexity and organization to the primate alphold DNA-sequence family, which also has chromosome and species pecificity. Received 13 December 1990, accepted 30 April 1991.

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