Afferents and Homotypic Neighbors Regulate Horizontal Cell Morphology, Connectivity, and Retinal Coverage

This work was supported by a grant from the National Institutes of Health (EY-11087). We thank Drs. Jeremy Nathans and Yangshu Wang (Johns Hopkins University, Baltimore, MD) for providing the original coneless transgenic mice to seed our colony, the primer sequence for confirming genotype, and the cone opsin antisera, Dr. Jeremy Cook (University College London, London, UK) for comments on the mosaic analysis, and Dr. Bill Rice (University of California at Santa Barbara, Santa Barbara, CA) for advice on statistical analysis.

Correspondence should be addressed to B. E. Reese, Neuroscience Research Institute, University of California, Santa Barbara, CA 93106-5060. E-mail: breese{at}psych.ucsb.edu.

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