[1] Univ Cent Florida, Dept Mol Biol & Microbiol, Orlando, FL 32816 USA
[2] Univ Texas, Sect Integrat Biol, Austin, TX 78712 USA
[3] Univ Texas, Inst Mol & Cellular Biol, Patterson Labs 141, Austin, TX 78712 USA
[4] Clemson Univ, Genom Inst, Clemson, SC 29634 USA