Loading…

Propane Respiration Jump-Starts Microbial Response to a Deep Oil Spill

The Deepwater Horizon event resulted in suspension of oil in the Gulf of Mexico water column because the leakage occurred at great depth. The distribution and fate of other abundant hydrocarbon constituents, such as natural gases, are also important in determining the impact of the leakage but are n...

Full description

Saved in:
Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2010-10, Vol.330 (6001), p.208-211
Main Authors: Valentine, David L, Kessler, John D, Redmond, Molly C, Mendes, Stephanie D, Heintz, Monica B, Farwell, Christopher, Hu, Lei, Kinnaman, Franklin S, Yvon-Lewis, Shari, Du, Mengran, Chan, Eric W, Tigreros, Fenix Garcia, Villanueva, Christie J
Format: Article
Language:English
Subjects:
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The Deepwater Horizon event resulted in suspension of oil in the Gulf of Mexico water column because the leakage occurred at great depth. The distribution and fate of other abundant hydrocarbon constituents, such as natural gases, are also important in determining the impact of the leakage but are not yet well understood. From 11 to 21 June 2010, we investigated dissolved hydrocarbon gases at depth using chemical and isotopic surveys and on-site biodegradation studies. Propane and ethane were the primary drivers of microbial respiration, accounting for up to 70% of the observed oxygen depletion in fresh plumes. Propane and ethane trapped in the deep water may therefore promote rapid hydrocarbon respiration by low-diversity bacterial blooms, priming bacterial populations for degradation of other hydrocarbons in the aging plume.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1196830