1. Laboratory of Biology Molecular, Instituto Tecnológico de Tuxtla-Gutiérrez, Tecnológico Nacional de México, Tuxtla-Gutiérrez, Chiapas, Mexico;
2. Laboratory of Biological Variation and Evolution, Department of Zoology, Escuela Nacional de Ciencias Biológicas, IPN, Mexico City, México;
3. Laboratory of Soil Ecology, Abacus, México City, México Cinvestav