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Glow-in-the-Dark Pets and Animals: Christmas Glow Fish! In 2003 scientists created the ultimate pet: genetically modified fish that glow in the dark. In future, more pets will be added to the list. Take a look at what may be possible... [Learn more | Care Sheet] Glow Fish Variations Original Glow Fish (Oryzias latipes - Rice Fish) Christmas Glow Fish (Oryzias latipes - Rice Fish) Electric Glow Fish (Oryzias latipes - Rice Fish) Fire Glow Fish (Oryzias latipes - Rice Fish) Happy Glow Fish (Oryzias latipes - Rice Fish) Opal Glow Fish (Oryzias latipes - Rice Fish) Purple Fish (Oryzias latipes - Rice Fish) Sea Blue Glow Fish (Oryzias latipes - Rice Fish) Violet Glow Fish (Oryzias latipes - Rice Fish) Glowing Red Zebra Danio Fish GloFish to challenge California's Bioengineering Can? The following is a synopsis of an article from the San Francisco Chronicle [One fish, two fish, red fish ... blue fish? Pet with a glow runs up against state's bioengineering ban Glen Martin, Chronicle Staff Writer Wednesday, December 3, 2003]. To see the original article, please visit http://sfgate.com/cgi-bin/article.cgi?file=/c/a/2003/12/03/MNGN83EU501.DTL Transgenic zebrafish go on sale next month to aquarium hobbyists across the United States, but not in California unless Yorktown Technologies of Austin wins an exemption to a recent state ban on lab-engineered aquatic species. Today the California Fish and Game Commission is expected to take up the issue Sacramento after state biologists concluded that the fish poses no threat to the aquatic environment of California. Yorktown Technologies plans a nationwide rollout for the fish Jan. 5 and expects them to be hot sellers at $5 each. Fluorescent zebrafish were developed at the National University of Singapore by biotechnologist Xhiyuan Gong. Zebrafish long have been a kind of aquatic lab rat, a species favored by researchers because they are cheap, fecund and genetically malleable. "They have exceptionally clear eggs, so they're excellent for tracking the development of cell lineage," said Alison Van Eenennaam, a researcher with the Animal Biotechnology Cooperative Extension Department at UC Davis. .. Turning the Singapore toxic detectors into home aquarium superstars was fairly easy, Oakes said. "It was just a matter of making a fish that fluoresces in the presence of pollutants to one that fluoresces all the time." Scientists accomplish the technique by harnessing "promoters," DNA sequences that control proteins known to express certain qualities -- such as bioluminescence. "They tell those proteins where to express," Van Eenennaam said. If germ (egg) cell promoters are used, for example, Van Eenennaam said, "only germ cells fluoresce. But (with the GloFish), the proteins are under the control of a muscle promoter. So the entire organism fluoresces." More news

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