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Fumarase deficiency
Fumarase deficiency is an enzyme irregularity that causes severe mental retardation, unusual facial features, brain malformation, and epileptic seizures due to an abnormally low amount of fumarase in cells. The condition is congenital and is the result of receiving two defective recessive genes on the first chromosome that influence the functioning of the Krebs Cycle. Additional recommended knowledgePrevalence in a polygamist sectFumarase deficiency is extremely rare. Until a few years ago scientists knew of only thirteen cases worldwide. However, recently twenty additional cases have been documented in the border towns of Colorado City, Arizona, and Hildale, Utah. These two towns constitute a closed and controlled community, and were settled in the 1930s by the Fundamentalist Church of Jesus Christ of Latter Day Saints, which is a breakaway sect of The Church of Jesus Christ of Latter-day Saints. As such, many of the surrounding communities refer to this disease as "Polygamist's Down's"[1] The fumarase deficiency gene has become very common in this community, due to the practice of inbreeding. It is believed that either Joseph Smith Jessop, one of the founders of the communities, or his wife carried the gene and passed it on to their descendants. The populations of Colorado City and Hildale are examples of the founder effect. References
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Categories: Rare diseases | Inborn errors of metabolism |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Fumarase_deficiency". A list of authors is available in Wikipedia. |