Global ETD Search
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Showing 1 to 3 of 3 for “"polarity specification"”.
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OVERT AND LATENT PATHWAYS OF POLARITY SPECIFICATION IN ZYGOTES: THE HAPLOID-TO-DIPLOID TRANSITION
… prokaryotes to multicellular eukaryotes. Polarity specification, the establishment of an axis for directed growth and secretion, allows cells to achieve anasymmetrical state. This phenomenon is conveniently exemplified in the unicellular eukaryote S. cerevisiae, or budding yeast. The …
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Postembryonic Polarity Modification in the Acoel Convolutriloba longifissura
… by patterning orthogonal body axes with polarity that is unaltered during the lifetime of most animals. While some organisms re-establish/modify body axes during regeneration and asexual reproduction, the acoel flatworm <em>Convolutriloba longifissura</em> is unusual in its ability to …
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Identification of pluripotent stem cells and characterization of glia in the planarian Schmidtea mediterranea
… for the study of stem cell biology, tissue specification, and axis formation. Many aspects of the regenerative machinery have yet to be characterized. Although it is known that neoblasts, the population of all proliferative cells in the adult planarian, are the source of new tissue during …