Dna Profiling of Captive Roseate Spoonbill (Ajaia Ajaja) Populations As a Mechanism of Determining Lineage in Colonial Nesting Birds. Page: 2
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Sawyer, Gregory M., DNA profiling of captive Roseate Spoonbill (Alaia alaia)
populations as a mechanism of determining lineage in colonial nesting birds. Doctor of
Philosophy (Molecular Biology), May 2002, 356 pp., 29 tables, 77 figures, bibliography,
Roseate Spoonbills are colonial nesting birds with breeding grounds extending
from the United States Gulf coast to the pampas of Argentina. The U.S. population
suffered a severe bottleneck from 1890 to 1920. The population's recovery was slow and
partially credited to migrations from Mexican rookeries, but a gene pool reduction would
Five polymorphic Spoonbill autosomal short tandem repeat (STR) loci [three
(GAT)n, one (AAAG)n and one (GT)n] and one Z/W-linked microsatellite exhibiting sex-
specific dimorphism were isolated and characterized. The Z/W-linked STR locus
accurately confirmed the sex of each bird. Allelic profiles for 51 Spoonbills obtained
from Dallas (Texas), Fort Worth (Texas) and Sedgwick County (Kansas) zoos revealed a
non-continuous distribution of allele frequencies, consistent with the effects of a
population bottleneck. Allelic frequencies also differed significantly between the isolated
Although extra-pair copulations were suspected and difficult to document, zoos
commonly used observational studies of mating pairs to determine familial relationships
among adults and offspring. STR parentage analysis of recorded family relationships
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Sawyer, Gregory M. Dna Profiling of Captive Roseate Spoonbill (Ajaia Ajaja) Populations As a Mechanism of Determining Lineage in Colonial Nesting Birds., dissertation, May 2002; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc3117/m1/2/: accessed June 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .