Are the "wings" of zic1 expression a part of the pre-migratory neural crest?

dc.contributor.advisorMerzdorf, Christa
dc.contributor.authorHutson, Carla
dc.descriptionAbstract Onlyen_US
dc.description.abstractThe transcription factor Zic1 has several important functions during early embryonic development. zic1 regulates several of the genes that contribute to neural crest development in addition to roles it plays in development of the neural tube. The expression pattern of zic1 in Xenopus laevis can be described as a “horseshoe” with “wings” on either side. Although the “horseshoe” part of zic1 expression is along the edges of the neural plate, the “wings” lie outside this area. It has been suggested that these wings” are migrating neural crest cells, but this contradicts the fact that, in Xenopus laevis, neural crest cells do not begin to migrate until after neural tube closure is completed. In situ hybridization is a process used to observe gene expression in an embryo. A RNA probe is introduced into the embryo, and, through a series of reactions, produces a color stain only in the area of the embryo that the gene of interest is active. A double in situ hybridization follows the same basic protocol, but the expression of two genes are detected in the same embryo so that comparisons can be made. en-2, which defines the midbrain-hindbrain boundary, and slug, which is expressed only in the premigratory neural crest, will be used to in double in situ hybridizations with zic1. Using single- and double in situ hybridizations, this project will address the question of what the “wings” of zic1 expression are.en_US
dc.titleAre the "wings" of zic1 expression a part of the pre-migratory neural crest?en_US
mus.citation.conferenceMSU Student Research Celebration 2012
mus.relation.collegeCollege of Letters & Science
mus.relation.universityMontana State University - Bozemanen_US


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