Attached and free-living bacteria: Production and polymer hydrolysis during a diatom bloom

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Attached and free-living bacteria : Production and polymer hydrolysis during a diatom bloom. / Middelboe, M.; Søndergaard, M.; Letarte, Y.; Borch, N. H.

In: Microbial Ecology, Vol. 29, No. 3, 01.05.1995, p. 231-248.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Middelboe, M, Søndergaard, M, Letarte, Y & Borch, NH 1995, 'Attached and free-living bacteria: Production and polymer hydrolysis during a diatom bloom', Microbial Ecology, vol. 29, no. 3, pp. 231-248. https://doi.org/10.1007/BF00164887

APA

Middelboe, M., Søndergaard, M., Letarte, Y., & Borch, N. H. (1995). Attached and free-living bacteria: Production and polymer hydrolysis during a diatom bloom. Microbial Ecology, 29(3), 231-248. https://doi.org/10.1007/BF00164887

Vancouver

Middelboe M, Søndergaard M, Letarte Y, Borch NH. Attached and free-living bacteria: Production and polymer hydrolysis during a diatom bloom. Microbial Ecology. 1995 May 1;29(3):231-248. https://doi.org/10.1007/BF00164887

Author

Middelboe, M. ; Søndergaard, M. ; Letarte, Y. ; Borch, N. H. / Attached and free-living bacteria : Production and polymer hydrolysis during a diatom bloom. In: Microbial Ecology. 1995 ; Vol. 29, No. 3. pp. 231-248.

Bibtex

@article{659b1d786c7347928bc24cfd224defe0,
title = "Attached and free-living bacteria: Production and polymer hydrolysis during a diatom bloom",
abstract = "Abundance, production and extracellular enzymatic activity of free-living and attached bacteria were measured during the development and collapse of a spring bloom in a eutrophic lake. Free-living bacteria accounted for most of the total bacterial production during the first part of the bloom. Their production had a significant positive correlation to chlorophyll (P < .01) and polysaccharide concentration (P < .02) and to potential β-glucosidase and aminopeptidase activity (P < .05), suggesting that algal release of dissolved polymeric compounds provided an important carbon source for bacterial production. As the bloom collapsed, we observed a change in the activity and structure of the microbial community. The mean contribution of attached bacteria to total bacterial production increased from 12% during the first part of the bloom to 26% at the end. Also, the extracellular enzymatic activity of attached bacteria increased as the bloom collapsed and constituted up to 75% of the total hydrolytic activity. An estimated disparity between hydrolytic activity and the corresponding carbon demand of attached bacteria suggested a net release of dissolved organic compounds from organic particles via polymer hydrolysis by attached bacteria.",
author = "M. Middelboe and M. S{\o}ndergaard and Y. Letarte and Borch, {N. H.}",
year = "1995",
month = may,
day = "1",
doi = "10.1007/BF00164887",
language = "English",
volume = "29",
pages = "231--248",
journal = "Microbial Ecology",
issn = "0095-3628",
publisher = "Springer",
number = "3",

}

RIS

TY - JOUR

T1 - Attached and free-living bacteria

T2 - Production and polymer hydrolysis during a diatom bloom

AU - Middelboe, M.

AU - Søndergaard, M.

AU - Letarte, Y.

AU - Borch, N. H.

PY - 1995/5/1

Y1 - 1995/5/1

N2 - Abundance, production and extracellular enzymatic activity of free-living and attached bacteria were measured during the development and collapse of a spring bloom in a eutrophic lake. Free-living bacteria accounted for most of the total bacterial production during the first part of the bloom. Their production had a significant positive correlation to chlorophyll (P < .01) and polysaccharide concentration (P < .02) and to potential β-glucosidase and aminopeptidase activity (P < .05), suggesting that algal release of dissolved polymeric compounds provided an important carbon source for bacterial production. As the bloom collapsed, we observed a change in the activity and structure of the microbial community. The mean contribution of attached bacteria to total bacterial production increased from 12% during the first part of the bloom to 26% at the end. Also, the extracellular enzymatic activity of attached bacteria increased as the bloom collapsed and constituted up to 75% of the total hydrolytic activity. An estimated disparity between hydrolytic activity and the corresponding carbon demand of attached bacteria suggested a net release of dissolved organic compounds from organic particles via polymer hydrolysis by attached bacteria.

AB - Abundance, production and extracellular enzymatic activity of free-living and attached bacteria were measured during the development and collapse of a spring bloom in a eutrophic lake. Free-living bacteria accounted for most of the total bacterial production during the first part of the bloom. Their production had a significant positive correlation to chlorophyll (P < .01) and polysaccharide concentration (P < .02) and to potential β-glucosidase and aminopeptidase activity (P < .05), suggesting that algal release of dissolved polymeric compounds provided an important carbon source for bacterial production. As the bloom collapsed, we observed a change in the activity and structure of the microbial community. The mean contribution of attached bacteria to total bacterial production increased from 12% during the first part of the bloom to 26% at the end. Also, the extracellular enzymatic activity of attached bacteria increased as the bloom collapsed and constituted up to 75% of the total hydrolytic activity. An estimated disparity between hydrolytic activity and the corresponding carbon demand of attached bacteria suggested a net release of dissolved organic compounds from organic particles via polymer hydrolysis by attached bacteria.

UR - http://www.scopus.com/inward/record.url?scp=0028833796&partnerID=8YFLogxK

U2 - 10.1007/BF00164887

DO - 10.1007/BF00164887

M3 - Journal article

AN - SCOPUS:0028833796

VL - 29

SP - 231

EP - 248

JO - Microbial Ecology

JF - Microbial Ecology

SN - 0095-3628

IS - 3

ER -

ID: 239564503