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The Acquisition of a Plastid by Haptophytes, Cryptophytes, and Photosynthetic Heterokonts

dc.contributor.advisorStiller, John W.en_US
dc.contributor.authorSchreiber, John M.en_US
dc.contributor.departmentBiologyen_US
dc.date.accessioned2015-02-02T19:26:55Z
dc.date.available2015-07-30T06:30:12Z
dc.date.issued2014en_US
dc.description.abstractRed algae and green plants are known to have obtained their photosynthetic organelles, or plastids, through the endosymbiotic adoption of cyanobacteria. It is still widely debated as to how other eukaryotic alga such as haptophytes, cryptophytes, and photosynthetic heterokonts obtained their plastids, although all are believed to be descended from a red alga. In this thesis, genome-level regressions, analyses of residuals, and Fisher's exact tests were used to determine how these three eukaryotic algal groups obtained their plastids. A phylogeny also was constructed using 11 plastid genes from various red algae, green plants, haptophytes, cryptophytes, and photosynthetic heterokonts. The results from these collective analyses indicate that multiple endosymbiosis events occurred. Furthermore, they show that a plastid was passed from a red alga, first to cryptophytes, then to photosynthetic heterokonts, and finally to haptophytes in a series of endosymbioses.  en_US
dc.description.degreeM.S.en_US
dc.format.extent96 p.en_US
dc.format.mediumdissertations, academicen_US
dc.identifier.urihttp://hdl.handle.net/10342/4677
dc.language.isoen_US
dc.publisherEast Carolina Universityen_US
dc.subjectBioinformaticsen_US
dc.subjectGeneticsen_US
dc.subjectBiostatisticsen_US
dc.subject.lcshPlastids
dc.subject.lcshEndosymbiosis
dc.subject.lcshCyanobacteria
dc.subject.lcshEukaryotic cells
dc.titleThe Acquisition of a Plastid by Haptophytes, Cryptophytes, and Photosynthetic Heterokontsen_US
dc.typeMaster's Thesisen_US

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