Rapid Communication
                  
                  A Versatile Metagenome Purification Method to Identify Uncultivable Bacteria by Denaturing Gradient Gel Electrophoresis (DGGE) from
Sediments and Soils                
                  
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					 Lourdes Reyes-Escogido, Ingrid Rodríguez-Buenfil, Jesús Valdés, Luis Kameyama, Odila Saucedo Cárdenas and Francisco Martínez- Pérez