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Diversity of active aerobic methanotrophs along depth profiles of arctic and subarctic lake water column and sediments

Overview of attention for article published in ISME Journal: Multidisciplinary Journal of Microbial Ecology, May 2012
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Title
Diversity of active aerobic methanotrophs along depth profiles of arctic and subarctic lake water column and sediments
Published in
ISME Journal: Multidisciplinary Journal of Microbial Ecology, May 2012
DOI 10.1038/ismej.2012.34
Pubmed ID
Authors

Ruo He, Matthew J Wooller, John W Pohlman, John Quensen, James M Tiedje, Mary Beth Leigh

Abstract

Methane (CH(4)) emitted from high-latitude lakes accounts for 2-6% of the global atmospheric CH(4) budget. Methanotrophs in lake sediments and water columns mitigate the amount of CH(4) that enters the atmosphere, yet their identity and activity in arctic and subarctic lakes are poorly understood. We used stable isotope probing (SIP), quantitative PCR (Q-PCR), pyrosequencing and enrichment cultures to determine the identity and diversity of active aerobic methanotrophs in the water columns and sediments (0-25 cm) from an arctic tundra lake (Lake Qalluuraq) on the north slope of Alaska and a subarctic taiga lake (Lake Killarney) in Alaska's interior. The water column CH(4) oxidation potential for these shallow (∼2 m deep) lakes was greatest in hypoxic bottom water from the subarctic lake. The type II methanotroph, Methylocystis, was prevalent in enrichment cultures of planktonic methanotrophs from the water columns. In the sediments, type I methanotrophs (Methylobacter, Methylosoma and Methylomonas) at the sediment-water interface (0-1 cm) were most active in assimilating CH(4), whereas the type I methanotroph Methylobacter and/or type II methanotroph Methylocystis contributed substantially to carbon acquisition in the deeper (15-20 cm) sediments. In addition to methanotrophs, an unexpectedly high abundance of methylotrophs also actively utilized CH(4)-derived carbon. This study provides new insight into the identity and activity of methanotrophs in the sediments and water from high-latitude lakes.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 127 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 3 2%
United Kingdom 2 2%
Germany 1 <1%
Canada 1 <1%
France 1 <1%
Japan 1 <1%
Spain 1 <1%
Unknown 117 92%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 37 29%
Researcher 25 20%
Student > Master 16 13%
Professor > Associate Professor 10 8%
Student > Doctoral Student 9 7%
Other 21 17%
Unknown 9 7%
Readers by discipline Count As %
Agricultural and Biological Sciences 38 30%
Environmental Science 37 29%
Earth and Planetary Sciences 15 12%
Biochemistry, Genetics and Molecular Biology 7 6%
Unspecified 2 2%
Other 7 6%
Unknown 21 17%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 May 2012.
All research outputs
#3,624,674
of 4,509,149 outputs
Outputs from ISME Journal: Multidisciplinary Journal of Microbial Ecology
#1,088
of 1,124 outputs
Outputs of similar age
#61,473
of 75,858 outputs
Outputs of similar age from ISME Journal: Multidisciplinary Journal of Microbial Ecology
#25
of 27 outputs
Altmetric has tracked 4,509,149 research outputs across all sources so far. This one is in the 3rd percentile – i.e., 3% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,124 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.2. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 75,858 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 27 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.