Drosophila Psf2 has a role in chromosome condensation / by Jeffrey Patrick Chmielewski.

Author/creator Chmielewski, Jeffrey Patrick
Other author Christensen, Tim.
Other author East Carolina University. Department of Biology.
Format Theses and dissertations
Publication Info[Greenville, N.C.] : East Carolina University, 2012.
Description90 pages : illustrations (some color), digital, PDF file
Supplemental ContentAccess via ScholarShip
Subjects

Summary The condensation state of chromosomes is a critical parameter in multiple processes within the cell. Failures in the maintenance of appropriate condensation states may lead to genomic instability, mis-expression of genes, and a number of disease states. During cell proliferation, replication of DNA represents an ongoing challenge for chromosome packaging as DNA must be unpackaged for replication and then faithfully repackaged. An integral member of the DNA replication machinery is the GINS complex which has been shown to stabilize the CMG complex which is required for processivity of the Mcm2-7 helicase complex during S phase. Through examination of the phenotypes associated with a null mutation in Psf2, a member of the evolutionarily conserved GINS complex, we find that Drosophila Psf2 likely has a role in establishing chromosome condensation and that the defects associated with this mis-condensation impact M phase progression, genomic stability, and transcriptional regulation.
General notePresented to the faculty of the Department of Biology.
General noteAdvisor: Tim Christensen.
General noteTitle from PDF t.p. (viewed Sept. 26, 2012).
Dissertation noteM.S. East Carolina University 2012.
Bibliography noteIncludes bibliographical references.
Technical detailsSystem requirements: Adobe Reader.
Technical detailsMode of access: World Wide Web.

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