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Wrong Sharon Amacher?

Sharon L. Amacher

Professor of Molecular Genetics

The Ohio State University

Direct Phone: (614) ***-****       

Email: a***@***.edu

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The Ohio State University

2100 Neil Ave. 301 Fisher Hall

Columbus, Ohio 43210

United States

Company Description

The Ohio State University at Marion serves as one of five regional campuses to the Columbus main campus. As a regional campus, Marion offers the same excellent resources and faculty that you would expect from Ohio State, all within the environment of a s ... more

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Sharon Amacher, ... [cached]

Sharon Amacher, PhD The Ohio State University

Society for Developmental Biology [cached]

Sharon Amacher The Ohio State University

The study, co-authored by McGill ... [cached]

The study, co-authored by McGill University Professor Paul Fran├žois and Ohio State University Professor Sharon L. Amacher and published in Developmental Cell, sheds light on the clock mechanism by providing the first real-time, visual evidence of how it operates at the level of individual cells.

"For the first time, this nails ... [cached]

"For the first time, this nails it," said Sharon Amacher, professor of molecular genetics at Ohio State University and lead author of the study. "This provides the data that cells with disabled Notch signaling can oscillate just fine, but what they can't do is synchronize with their neighbors."

The imaging also allowed Amacher and colleagues to determine that cell division, called mitosis, is not a random event as was once believed.
"This early process of segmentation is really important for patterning a lot of subsequent developmental events-the patterning of the nervous system and the vasculature, much of that depends on this clock ensuring that early development happens properly," Amacher said.
Amacher, Delaune and Shih conducted the research while at the University of California, Berkeley.
Amacher joined the Ohio State faculty in July.
The resulting short-lived fluorescent fusion protein allowed Amacher and colleagues to look at single cells along with their neighbors to observe how they stayed synchronized as they did the wave.
Researchers in this field had previously thought that the Notch signaling pathway may be needed to start the clock in these cyclic genes, though conflicting data had shown that the clock could run without the signal.
Amacher's imaging showed that, indeed, Notch was required only to maintain synchronization, but not to start the oscillating clock. She and colleagues tested this idea by combining the imaging tool with three mutant cell types with disabled Notch signals.
Amacher said these findings could be incorporated into models of developmental cell behavior to further advance cell biology research.

Society for Developmental Biology | Member Links [cached]

Sharon Amacher, The Ohio State University

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