Leucine incorporation by aerobic anoxygenic phototrophic bacteria in the Delaware estuary.

ABSTRACT: Aerobic anoxygenic phototrophic (AAP) bacteria are well known to be abundant in estuaries, coastal regions and in the open ocean, but little is known about their activity in any aquatic ecosystem. To explore the activity of AAP bacteria in the Delaware estuary and coastal waters, single-cell (3)H-leucine incorporation by these bacteria was examined with a new approach that combines infrared epifluorescence microscopy and microautoradiography. The approach was used on samples from the Delaware coast from August through December and on transects through the Delaware estuary in August and November 2011. The percent of active AAP bacteria was up to twofold higher than the percentage of active cells in the rest of the bacterial community in the estuary. Likewise, the silver grain area around ac

SUBMITTER: Stegman MR 

PROVIDER: S-EPMC4992083 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature