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Methanotroph community structure and processes in an inland river affected by natural gas macro-seeps.

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Title: Methanotroph community structure and processes in an inland river affected by natural gas macro-seeps.
Authors: Burrows, Ryan M1,2 (AUTHOR) ryan.burrows@unimelb.edu.au, van de Kamp, Jodie3 (AUTHOR), Bodrossy, Levente3 (AUTHOR), Venarsky, Michael2 (AUTHOR), Coates-Marnane, Jack2,4 (AUTHOR), Rees, Gavin5 (AUTHOR), Jumppanen, Paavo3 (AUTHOR), Kennard, Mark J2 (AUTHOR)
Source: FEMS Microbiology Ecology. Oct2021, Vol. 97 Issue 10, p1-16. 16p.
Subjects: Natural gas, Microbial communities, Methane, Gas seepage, Monooxygenases, Methanotrophs
Geographic Terms: Australia
Abstract: Methane availability in freshwaters is usually associated with spatial-temporal variation in methanogenesis. Unusually, however, natural gas macro-seeps occur along the Condamine River in eastern Australia which elevate ambient water-column methane concentrations more than 3,000 times. We quantified the spatial-temporal variation in methane oxidation rates and the total microbial and methanotroph community composition (through the amplification and sequencing of 16S rRNA and particulate methane monooxygenase (pmoA) genes), and the factors mediating this variation, in reaches with and without macro-seeps. Sediment methane oxidation rates were, on average, 29 times greater, and the abundance of methanotrophs significantly higher, in the vicinity of methane macro-seeps compared to non-seep sites. Methylocystis was the most abundant methanotroph group at all sites, but type Ib methanotrophs showed the steepest increase in abundance at seep sites. pmo A gene analysis identified these as clade 501, while 16S rRNA gene analysis identified these as the closely related genus Methylocaldum. Sediment methane oxidation rates and the relative abundance and composition of benthic microbial communities were primarily influenced by methane availability which was in turn related to variation in river discharge. Methane-derived carbon may be an important energy source for the aquatic food webs in reaches affected by natural gas macro-seeps. [ABSTRACT FROM AUTHOR]
Copyright of FEMS Microbiology Ecology is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 153609820
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Methanotroph community structure and processes in an inland river affected by natural gas macro-seeps.
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  Data: <searchLink fieldCode="AR" term="%22Burrows%2C+Ryan+M%22">Burrows, Ryan M</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> ryan.burrows@unimelb.edu.au</i><br /><searchLink fieldCode="AR" term="%22van de Kamp%2C+Jodie%22">van de Kamp, Jodie</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bodrossy%2C+Levente%22">Bodrossy, Levente</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Venarsky%2C+Michael%22">Venarsky, Michael</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Coates-Marnane%2C+Jack%22">Coates-Marnane, Jack</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rees%2C+Gavin%22">Rees, Gavin</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jumppanen%2C+Paavo%22">Jumppanen, Paavo</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kennard%2C+Mark+J%22">Kennard, Mark J</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22FEMS+Microbiology+Ecology%22">FEMS Microbiology Ecology</searchLink>. Oct2021, Vol. 97 Issue 10, p1-16. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Natural+gas%22">Natural gas</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+communities%22">Microbial communities</searchLink><br /><searchLink fieldCode="DE" term="%22Methane%22">Methane</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+seepage%22">Gas seepage</searchLink><br /><searchLink fieldCode="DE" term="%22Monooxygenases%22">Monooxygenases</searchLink><br /><searchLink fieldCode="DE" term="%22Methanotrophs%22">Methanotrophs</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Australia%22">Australia</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Methane availability in freshwaters is usually associated with spatial-temporal variation in methanogenesis. Unusually, however, natural gas macro-seeps occur along the Condamine River in eastern Australia which elevate ambient water-column methane concentrations more than 3,000 times. We quantified the spatial-temporal variation in methane oxidation rates and the total microbial and methanotroph community composition (through the amplification and sequencing of 16S rRNA and particulate methane monooxygenase (pmoA) genes), and the factors mediating this variation, in reaches with and without macro-seeps. Sediment methane oxidation rates were, on average, 29 times greater, and the abundance of methanotrophs significantly higher, in the vicinity of methane macro-seeps compared to non-seep sites. Methylocystis was the most abundant methanotroph group at all sites, but type Ib methanotrophs showed the steepest increase in abundance at seep sites. pmo A gene analysis identified these as clade 501, while 16S rRNA gene analysis identified these as the closely related genus Methylocaldum. Sediment methane oxidation rates and the relative abundance and composition of benthic microbial communities were primarily influenced by methane availability which was in turn related to variation in river discharge. Methane-derived carbon may be an important energy source for the aquatic food webs in reaches affected by natural gas macro-seeps. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of FEMS Microbiology Ecology is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=153609820
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        Value: 10.1093/femsec/fiab130
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 16
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    Subjects:
      – SubjectFull: Natural gas
        Type: general
      – SubjectFull: Microbial communities
        Type: general
      – SubjectFull: Methane
        Type: general
      – SubjectFull: Gas seepage
        Type: general
      – SubjectFull: Monooxygenases
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      – SubjectFull: Methanotrophs
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      – SubjectFull: Australia
        Type: general
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      – TitleFull: Methanotroph community structure and processes in an inland river affected by natural gas macro-seeps.
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              M: 10
              Text: Oct2021
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              Y: 2021
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