YdaO/yuaA leader

This YdaO/YuaA leader is a conserved RNA structure found upstream of the ydaO and yuaA genes in "Bacillus subtilis" and related genes in other bacteria. The ydaO/yuaA element is thought to act as a genetic "off" switch for the ydaO and yuaA genes in its native state. It is believed that the element may be triggered during osmotic shock leading to activation of ydaO, a predicted amino acid transporter gene, and members of the yuaA-yubG operon which code for KtrA and KtrB K+ transporters.cite journal | last = Barrick | first = JE | coauthors = Corbino KA, Winkler WC, Nahvi A, Mandal M, Collins J, Lee M, Roth A, Sudarsan N, Jona I, Wickiser JK, Breaker RR | year = 2004 | title = New RNA motifs suggest an expanded scope for riboswitches in bacterial genetic control | journal = Proc Natl Acad Sci U S A | volume = 101 | pages = 6421–6426 | pmid = 15096624 | doi = 10.1073/pnas.0308014101]

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