This Week in Science

Nov 30, 2007

Science's special section this week looks at the cell's nucleus. A news story chronicles the search for the spindle matrix, a still-hypothetical cellular structure that may underlie the spindle. Kristen Johansen and Jørgen Johansen have uncovered four matrix protein candidates and Yixian Zheng has isolated RanGTPase which triggers spindle formation in frog eggs.

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