| Institution: | 1. College of Life Science and Horqin Plant Stress Biology Research Institute, Inner Mongolia University for the Nationalities, Tongliao 028042, Inner Mongolia, China;2. State Key Laboratory of Agrobiotechnology, Beijing 100193, China;3. College of Biological Sciences and Rhizobium Research Center, China Agricultural University, Beijing 100193, China;4. Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México D. F. 11340, México;5. State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China;1. Department of Mathematical Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, United States;2. Department of Mathematics, The Colorado College, Colorado Springs, CO 80903, United States |
