1. Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina 29634-0318
2. College of Natural, Applied, and Health Sciences, Wenzhou Kean University, Wenzhou, Zhejiang, China 325035
3. Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, Texas 79409-2122