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Am J Physiol. 1998 Jul;275(1 Pt 2):H1-7.

"Physiological genomics": mutant screens in zebrafish.

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Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, MA 02129, USA.


Large-scale mutagenesis screens have proved essential in the search for genes that are important to development in the fly, worm, and yeast. Here we present the power of large-scale screening in a vertebrate, the zebrafish Danio rerio, and propose the use of this genetic system to address fundamental questions of vertebrate developmental physiology. As an example, we focus on zebrafish mutations that reveal single genes essential for normal development of the cardiovascular system. These single gene mutations disrupt specific aspects of rate, rhythm, conduction, or contractility of the developing heart.

[Indexed for MEDLINE]

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