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Group II and group III introns of twintrons: potential relationships with nuclear pre-mRNA introns |
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| Authors: | Donald W Copertino Richard B Hallick |
| Institution: | Department of Biochemistry and the Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA |
| Abstract: | Two new and important features of introns have emerged from analysis of the Euglena gracilis chloroplast genome. One is a new class of introns, designated group III, that may be the closest contemporaries to nuclear pre-mRNA introns. The second is introns that are interrupted by other introns termed twintrons. |
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