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Dominance of a clonal green sulfur bacterial population in a stratified lake

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Dominance of a clonal green sulfur bacterial population in a stratified lake. / Gregersen, Lea H; Habicht, Kirsten S; Peduzzi, Sandro; Tonolla, Mauro; Canfield, Donald E; Miller, Mette; Cox, Raymond P; Frigaard, Niels-Ulrik.

I: FEMS Microbiology Ecology, Bind 70, Nr. 1, 2009, s. 30-41.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Gregersen, LH, Habicht, KS, Peduzzi, S, Tonolla, M, Canfield, DE, Miller, M, Cox, RP & Frigaard, N-U 2009, 'Dominance of a clonal green sulfur bacterial population in a stratified lake', FEMS Microbiology Ecology, bind 70, nr. 1, s. 30-41. https://doi.org/10.1111/j.1574-6941.2009.00737.x

APA

Gregersen, L. H., Habicht, K. S., Peduzzi, S., Tonolla, M., Canfield, D. E., Miller, M., ... Frigaard, N-U. (2009). Dominance of a clonal green sulfur bacterial population in a stratified lake. FEMS Microbiology Ecology, 70(1), 30-41. https://doi.org/10.1111/j.1574-6941.2009.00737.x

Vancouver

Gregersen LH, Habicht KS, Peduzzi S, Tonolla M, Canfield DE, Miller M o.a. Dominance of a clonal green sulfur bacterial population in a stratified lake. FEMS Microbiology Ecology. 2009;70(1):30-41. https://doi.org/10.1111/j.1574-6941.2009.00737.x

Author

Gregersen, Lea H ; Habicht, Kirsten S ; Peduzzi, Sandro ; Tonolla, Mauro ; Canfield, Donald E ; Miller, Mette ; Cox, Raymond P ; Frigaard, Niels-Ulrik. / Dominance of a clonal green sulfur bacterial population in a stratified lake. I: FEMS Microbiology Ecology. 2009 ; Bind 70, Nr. 1. s. 30-41.

Bibtex

@article{17135150962211de8bc9000ea68e967b,
title = "Dominance of a clonal green sulfur bacterial population in a stratified lake",
abstract = "For many years, the chemocline of the meromictic Lake Cadagno, Switzerland, was dominated by purple sulfur bacteria. However, following a major community shift in recent years, green sulfur bacteria (GSB) have come to dominate. We investigated this community by performing microbial diversity surveys using FISH cell counting and population multilocus sequence typing [clone library sequence analysis of the small subunit (SSU) rRNA locus and two loci involved in photosynthesis in GSB: fmoA and csmCA]. All bacterial populations clearly stratified according to water column chemistry. The GSB population peaked in the chemocline (c. 8 x 10(6) GSB cells mL(-1)) and constituted about 50{\%} of all cells in the anoxic zones of the water column. At least 99.5{\%} of these GSB cells had SSU rRNA, fmoA, and csmCA sequences essentially identical to that of the previously isolated and genome-sequenced GSB Chlorobium clathratiforme strain BU-1 (DSM 5477). This ribotype was not detected in Lake Cadagno before the bloom of GSB. These observations suggest that the C. clathratiforme population that has stabilized in Lake Cadagno is clonal. We speculate that such a clonal bloom could be caused by environmental disturbance, mutational adaptation, or invasion.",
author = "Gregersen, {Lea H} and Habicht, {Kirsten S} and Sandro Peduzzi and Mauro Tonolla and Canfield, {Donald E} and Mette Miller and Cox, {Raymond P} and Niels-Ulrik Frigaard",
note = "KEYWORDS Chlorobium • clonal population • bloom • green sulfur bacteria • Lake Cadagno",
year = "2009",
doi = "10.1111/j.1574-6941.2009.00737.x",
language = "English",
volume = "70",
pages = "30--41",
journal = "F E M S Microbiology Ecology",
issn = "0168-6496",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - Dominance of a clonal green sulfur bacterial population in a stratified lake

AU - Gregersen, Lea H

AU - Habicht, Kirsten S

AU - Peduzzi, Sandro

AU - Tonolla, Mauro

AU - Canfield, Donald E

AU - Miller, Mette

AU - Cox, Raymond P

AU - Frigaard, Niels-Ulrik

N1 - KEYWORDS Chlorobium • clonal population • bloom • green sulfur bacteria • Lake Cadagno

PY - 2009

Y1 - 2009

N2 - For many years, the chemocline of the meromictic Lake Cadagno, Switzerland, was dominated by purple sulfur bacteria. However, following a major community shift in recent years, green sulfur bacteria (GSB) have come to dominate. We investigated this community by performing microbial diversity surveys using FISH cell counting and population multilocus sequence typing [clone library sequence analysis of the small subunit (SSU) rRNA locus and two loci involved in photosynthesis in GSB: fmoA and csmCA]. All bacterial populations clearly stratified according to water column chemistry. The GSB population peaked in the chemocline (c. 8 x 10(6) GSB cells mL(-1)) and constituted about 50% of all cells in the anoxic zones of the water column. At least 99.5% of these GSB cells had SSU rRNA, fmoA, and csmCA sequences essentially identical to that of the previously isolated and genome-sequenced GSB Chlorobium clathratiforme strain BU-1 (DSM 5477). This ribotype was not detected in Lake Cadagno before the bloom of GSB. These observations suggest that the C. clathratiforme population that has stabilized in Lake Cadagno is clonal. We speculate that such a clonal bloom could be caused by environmental disturbance, mutational adaptation, or invasion.

AB - For many years, the chemocline of the meromictic Lake Cadagno, Switzerland, was dominated by purple sulfur bacteria. However, following a major community shift in recent years, green sulfur bacteria (GSB) have come to dominate. We investigated this community by performing microbial diversity surveys using FISH cell counting and population multilocus sequence typing [clone library sequence analysis of the small subunit (SSU) rRNA locus and two loci involved in photosynthesis in GSB: fmoA and csmCA]. All bacterial populations clearly stratified according to water column chemistry. The GSB population peaked in the chemocline (c. 8 x 10(6) GSB cells mL(-1)) and constituted about 50% of all cells in the anoxic zones of the water column. At least 99.5% of these GSB cells had SSU rRNA, fmoA, and csmCA sequences essentially identical to that of the previously isolated and genome-sequenced GSB Chlorobium clathratiforme strain BU-1 (DSM 5477). This ribotype was not detected in Lake Cadagno before the bloom of GSB. These observations suggest that the C. clathratiforme population that has stabilized in Lake Cadagno is clonal. We speculate that such a clonal bloom could be caused by environmental disturbance, mutational adaptation, or invasion.

U2 - 10.1111/j.1574-6941.2009.00737.x

DO - 10.1111/j.1574-6941.2009.00737.x

M3 - Journal article

C2 - 19656193

VL - 70

SP - 30

EP - 41

JO - F E M S Microbiology Ecology

JF - F E M S Microbiology Ecology

SN - 0168-6496

IS - 1

ER -

ID: 14094766