Department of Biology

Aarhus University Seal / Aarhus Universitets segl

Mark Lever

Predominant archaea in marine sediments degrade detrital proteins

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Standard

Predominant archaea in marine sediments degrade detrital proteins. / Lloyd, Karen; Schreiber, L.; Petersen, Dorthe Groth; Kjeldsen, K.U.; Lever, M.A.; Steen, A.D.; Stepanauskas, R.; Richter, M.; Kleindienst, S.; Lenk, S.; Schramm, Andreas; Jorgensen, B.B.

In: Nature, Vol. 496, No. 7444, 11.04.2013, p. 215-218.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Lloyd, K, Schreiber, L, Petersen, DG, Kjeldsen, KU, Lever, MA, Steen, AD, Stepanauskas, R, Richter, M, Kleindienst, S, Lenk, S, Schramm, A & Jorgensen, BB 2013, 'Predominant archaea in marine sediments degrade detrital proteins', Nature, vol. 496, no. 7444, pp. 215-218. https://doi.org/10.1038/nature12033

APA

Lloyd, K., Schreiber, L., Petersen, D. G., Kjeldsen, K. U., Lever, M. A., Steen, A. D., Stepanauskas, R., Richter, M., Kleindienst, S., Lenk, S., Schramm, A., & Jorgensen, B. B. (2013). Predominant archaea in marine sediments degrade detrital proteins. Nature, 496(7444), 215-218. https://doi.org/10.1038/nature12033

CBE

Lloyd K, Schreiber L, Petersen DG, Kjeldsen KU, Lever MA, Steen AD, Stepanauskas R, Richter M, Kleindienst S, Lenk S, Schramm A, Jorgensen BB. 2013. Predominant archaea in marine sediments degrade detrital proteins. Nature. 496(7444):215-218. https://doi.org/10.1038/nature12033

MLA

Vancouver

Author

Lloyd, Karen ; Schreiber, L. ; Petersen, Dorthe Groth ; Kjeldsen, K.U. ; Lever, M.A. ; Steen, A.D. ; Stepanauskas, R. ; Richter, M. ; Kleindienst, S. ; Lenk, S. ; Schramm, Andreas ; Jorgensen, B.B. / Predominant archaea in marine sediments degrade detrital proteins. In: Nature. 2013 ; Vol. 496, No. 7444. pp. 215-218.

Bibtex

@article{fa3586f737ba4665be923c7bc055a701,
title = "Predominant archaea in marine sediments degrade detrital proteins",
abstract = "Half of the microbial cells in the Earth's oceans are found in sediments. Many of these cells are members of the Archaea, single-celled prokaryotes in a domain of life separate from Bacteria and Eukaryota. However, most of these archaea lack cultured representatives, leaving their physiologies and placement on the tree of life uncertain. Here we show that the uncultured miscellaneous crenarchaeotal group (MCG) and marine benthic group-D (MBG-D) are among the most numerous archaea in the marine sub-sea floor. Single-cell genomic sequencing of one cell of MCG and three cells of MBG-D indicated that they form new branches basal to the archaeal phyla Thaumarchaeota and Aigarchaeota, for MCG, and the order Thermoplasmatales, for MBG-D. All four cells encoded extracellular protein-degrading enzymes such as gingipain and clostripain that are known to be effective in environments chemically similar to marine sediments. Furthermore, we found these two types of peptidase to be abundant and active in marine sediments, indicating that uncultured archaea may have a previously undiscovered role in protein remineralization in anoxic marine sediments.",
author = "Karen Lloyd and L. Schreiber and Petersen, {Dorthe Groth} and K.U. Kjeldsen and M.A. Lever and A.D. Steen and R. Stepanauskas and M. Richter and S. Kleindienst and S. Lenk and Andreas Schramm and B.B. Jorgensen",
year = "2013",
month = apr,
day = "11",
doi = "10.1038/nature12033",
language = "English",
volume = "496",
pages = "215--218",
journal = "Nature",
issn = "0028-0836",
publisher = "Nature Publishing Group",
number = "7444",

}

RIS

TY - JOUR

T1 - Predominant archaea in marine sediments degrade detrital proteins

AU - Lloyd, Karen

AU - Schreiber, L.

AU - Petersen, Dorthe Groth

AU - Kjeldsen, K.U.

AU - Lever, M.A.

AU - Steen, A.D.

AU - Stepanauskas, R.

AU - Richter, M.

AU - Kleindienst, S.

AU - Lenk, S.

AU - Schramm, Andreas

AU - Jorgensen, B.B.

PY - 2013/4/11

Y1 - 2013/4/11

N2 - Half of the microbial cells in the Earth's oceans are found in sediments. Many of these cells are members of the Archaea, single-celled prokaryotes in a domain of life separate from Bacteria and Eukaryota. However, most of these archaea lack cultured representatives, leaving their physiologies and placement on the tree of life uncertain. Here we show that the uncultured miscellaneous crenarchaeotal group (MCG) and marine benthic group-D (MBG-D) are among the most numerous archaea in the marine sub-sea floor. Single-cell genomic sequencing of one cell of MCG and three cells of MBG-D indicated that they form new branches basal to the archaeal phyla Thaumarchaeota and Aigarchaeota, for MCG, and the order Thermoplasmatales, for MBG-D. All four cells encoded extracellular protein-degrading enzymes such as gingipain and clostripain that are known to be effective in environments chemically similar to marine sediments. Furthermore, we found these two types of peptidase to be abundant and active in marine sediments, indicating that uncultured archaea may have a previously undiscovered role in protein remineralization in anoxic marine sediments.

AB - Half of the microbial cells in the Earth's oceans are found in sediments. Many of these cells are members of the Archaea, single-celled prokaryotes in a domain of life separate from Bacteria and Eukaryota. However, most of these archaea lack cultured representatives, leaving their physiologies and placement on the tree of life uncertain. Here we show that the uncultured miscellaneous crenarchaeotal group (MCG) and marine benthic group-D (MBG-D) are among the most numerous archaea in the marine sub-sea floor. Single-cell genomic sequencing of one cell of MCG and three cells of MBG-D indicated that they form new branches basal to the archaeal phyla Thaumarchaeota and Aigarchaeota, for MCG, and the order Thermoplasmatales, for MBG-D. All four cells encoded extracellular protein-degrading enzymes such as gingipain and clostripain that are known to be effective in environments chemically similar to marine sediments. Furthermore, we found these two types of peptidase to be abundant and active in marine sediments, indicating that uncultured archaea may have a previously undiscovered role in protein remineralization in anoxic marine sediments.

UR - http://www.scopus.com/inward/record.url?scp=84876291747&partnerID=8YFLogxK

U2 - 10.1038/nature12033

DO - 10.1038/nature12033

M3 - Journal article

C2 - 23535597

AN - SCOPUS:84876291747

VL - 496

SP - 215

EP - 218

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7444

ER -