| petroleum-influenced beach sediments of the campeche bank, mexico: diversity and bacterial community structure assessment. | the bacterial diversity and community structure were surveyed in intertidal petroleum-influenced sediments of ~100 km of a beach, in the southern gulf of mexico. the beach was divided in twenty sampling sites according to high, moderate and low petroleum influence. densities of cultured heterotrophic (hab) and hydrocarbon degrading bacteria (hdb) were highly variable in sediments, with little morphological assortment in colonies. pcr-risa banding patterns differentiated distinct communities alon ... | 2011 | 21802196 |