A Depth Resolved Insight into Benzoyl CoA Reductase and Benzoate Dioxygenase Gene Copy Numbers within a Marine Sediment Associated with Methane Seepage — Oak Academic Publishing
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A Depth Resolved Insight into Benzoyl CoA Reductase and Benzoate Dioxygenase Gene Copy Numbers within a Marine Sediment Associated with Methane Seepage
School of Biological Sciences, Queen’s University Belfast, Belfast, UK
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School of Chemical Sciences, Dublin City University, Dublin, Ireland
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School of Chemical Sciences, Dublin City University, Dublin, Ireland
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School of Chemical Sciences, Dublin City University, Dublin, Ireland
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Geological Survey of Ireland, Beggar’s Bush, Dublin, Ireland
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School of Biological Sciences, Queen’s University Belfast, Belfast, UK
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School of Biological Sciences, Queen’s University Belfast, Belfast, UK
,
School of Biological Sciences, Queen’s University Belfast, Belfast, UK
,
School of Biological Sciences, Queen’s University Belfast, Belfast, UK
1 School of Biological Sciences, Queen’s University Belfast, Belfast, UK
2 School of Chemical Sciences, Dublin City University, Dublin, Ireland
3 School of Chemical Sciences, Dublin City University, Dublin, Ireland
4 School of Chemical Sciences, Dublin City University, Dublin, Ireland
5 Geological Survey of Ireland, Beggar’s Bush, Dublin, Ireland
6 School of Biological Sciences, Queen’s University Belfast, Belfast, UK
7 School of Biological Sciences, Queen’s University Belfast, Belfast, UK
8 School of Biological Sciences, Queen’s University Belfast, Belfast, UK
9 School of Biological Sciences, Queen’s University Belfast, Belfast, UK
A marine sediment core obtained from a methane seepage site off the northern coast of Irelandwas analysed, at 3 depths, for catabolic genes associated with the aerobic and anaerobic degradation of aromatic compounds. Catabolic gene copy numbers varied through the core peaking at 2.1 meters below sediment surface (mbsf)-just above the sul phate boundary. Beyond the sulphate boundary gene copy numbers fell considerably, suggesting the boundary may be a critical factor in the degradation of aromatic compounds within marine sediments. At the 2.1 mbsf depth our data also suggest that known benzoyl CoA reductase utilizing bacteria are readily detectable.
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