Can We Use Functional Genetics to Predict the Fate of Nitrogen in Estuaries?

Autor: Eric J. Raes, Kristen Karsh, Adam J. Kessler, Perran L. M. Cook, Bronwyn H. Holmes, Jodie van de Kamp, Levente Bodrossy, Andrew Bissett

Publikováno v: Frontiers in Microbiology, Vol 11 (2020)

Increasing nitrogen (N) loads present a threat to estuaries, which are among the most heavily populated and perturbed parts of the world. N removal is largely mediated by the sediment microbial process of denitrification, in direct competition to dis

Externí odkaz: https://doaj.org/article/3102241dc2564b6eb7e8cb924be8ba8a

Molecular hydrogen in seawater supports growth of diverse marine bacteria

Autor: Rachael Lappan, Guy Shelley, Zahra F. Islam, Pok Man Leung, Scott Lockwood, Philipp A. Nauer, Thanavit Jirapanjawat, Gaofeng Ni, Ya-Jou Chen, Adam J. Kessler, Timothy J. Williams, Ricardo Cavicchioli, Federico Baltar, Perran L. M. Cook, Sergio E. Morales, Chris Greening

Publikováno v: Nature Microbiology. 8:581-595

Molecular hydrogen (H2) is an abundant and readily accessible energy source in marine systems, but it remains unknown whether marine microbial communities consume this gas. Here we use a suite of approaches to show that marine bacteria consume H2 to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58cdb171ccde0dfcd9072a0108c37ec7
https://doi.org/10.1038/s41564-023-01322-0

Hydrodynamic disturbance controls microbial community assembly and biogeochemical processes in coastal sediments

Autor: Vera Eate, Adam J. Kessler, Pok Man Leung, Tess Hutchinson, Ya-Jou Chen, Chris Greening, Perran L. M. Cook, Wei Wen Wong

Publikováno v: The ISME Journal. 16:750-763

The microbial community composition and biogeochemical dynamics of coastal permeable (sand) sediments differs from cohesive (mud) sediments. Tide- and wave-driven hydrodynamic disturbance causes spatiotemporal variations in oxygen levels, which selec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::064b1c3406ef08d62cef1f03412a3a72
https://doi.org/10.1038/s41396-021-01111-9

Nitrogen and oxygen isotopomeric constraints on the sources of nitrous oxide and the role of submarine groundwater discharge in a temperate eutrophic salt‐wedge estuary

Autor: Perran L. M. Cook, Wei Wen Wong, Ian Cartwright, Seng Chee Poh, Thomas Kuhn, Caitlin H. Frame, Moritz F. Lehmann

Publikováno v: Limnology and Oceanography. 66:1068-1082

Estuaries have been identified as sources of nitrous oxide (N2O) emissions to the atmosphere but questions remain as to which production pathway(s) govern the oversaturation of N2O observed in most estuaries worldwide. Here, we use a suite of nitrate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::428ed1669466b36d71de36fe4c30cbdc
https://doi.org/10.1002/lno.11664

Pore water conditions driving calcium carbonate dissolution in reef sands

Autor: Perran L. M. Cook, Filip J. R. Meysman, Angus Rogers, Harald Hasler-Sheetal, Michael F. Bourke, Bradley D. Eyre, Ronnie N. Glud, Chris Greening, Adam J. Kessler, Tyler Cyronak

Publikováno v: Geochimica et cosmochimica acta
Kessler, A J, Rogers, A, Cyronak, T, Bourke, M F, Hasler-Sheetal, H, Glud, R N, Greening, C, Meysman, F J R, Eyre, B D & Cook, P L M 2020, ' Pore water conditions driving calcium carbonate dissolution in reef sands ', Geochimica et Cosmochimica Acta, vol. 279, pp. 16-28 . https://doi.org/10.1016/j.gca.2020.04.001

Due to decreases in seawater pH resulting from ocean acidification, permeable calcium carbonate reef sands are predicted to be net dissolving by 2050. However, the rate of dissolution and factors that control this rate remain poorly understood. Exper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e965f8f30fb3700ccc8b68cc305860d
https://doi.org/10.1016/j.gca.2020.04.001