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Cited by 727

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Production of Refractory Dissolved Organic Matter by Bacteria

Ogawa, Hiroshi, Amagai, Yukio, Koike, Isao, Kaiser, Karl, Benner, Ronald·2001·Science

Abstract

Most of the oceanic reservoir of dissolved organic matter (DOM) is of marine origin and is resistant to microbial oxidation, but little is known about the mechanisms of its formation. In a laboratory study, natural assemblages of marine bacteria rapidly (in <48 hours) utilized labile compounds (glucose, glutamate) and produced refractory DOM that persisted for more than a year. Only 10 to 15% of the bacterially derived DOM was identified as hydrolyzable amino acids and sugars, a feature consistent with marine DOM. These results suggest that microbial processes alter the molecular structure of DOM, making it resistant to further degradation and thereby preserving fixed carbon in the ocean.

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Metadata

Authors
Ogawa, H., Amagai, Y., Koike, I., Kaiser, K., & Benner, R.
Venue
Science
Published
2001-05-04
Volume
292
Issue
5518
Pages
917-920
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2002232472
Cited by
727
References
0
FWCI
15.76
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Production of Refractory Dissolved Organic Matter by Bacteria. https://app.cochat.ai/papers/10.1126/science.1057627
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Ogawa, H., Amagai, Y., Koike, I., Kaiser, K., & Benner, R. (2001). Production of Refractory Dissolved Organic Matter by Bacteria. Science. https://doi.org/10.1126/science.1057627

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