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Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii
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| Zeitschriftentitel: | mSystems |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | mSystems, 5, 2020, 2 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society for Microbiology
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| Schlagwörter: |
| author_facet |
Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. |
|---|---|
| author |
Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. |
| spellingShingle |
Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. mSystems Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii Computer Science Applications Genetics Molecular Biology Modeling and Simulation Ecology, Evolution, Behavior and Systematics Biochemistry Physiology Microbiology |
| author_sort |
manck, lauren e. |
| spelling |
Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. 2379-5077 American Society for Microbiology Computer Science Applications Genetics Molecular Biology Modeling and Simulation Ecology, Evolution, Behavior and Systematics Biochemistry Physiology Microbiology http://dx.doi.org/10.1128/msystems.00070-20 <jats:p> As the major facilitators of the turnover of organic matter in the marine environment, the ability of heterotrophic bacteria to acquire specific compounds within the diverse range of dissolved organic matter will affect the regeneration of essential nutrients such as iron and carbon. TonB-dependent transporters are a prevalent cellular tool in Gram-negative bacteria that allow a relatively high-molecular-weight fraction of organic matter to be directly accessed. However, these transporters are not well characterized in marine bacteria, limiting our understanding of the flow of specific substrates through the marine microbial loop. Here, we characterize the TonB-dependent transporters responsible for iron and carbon acquisition in a representative marine copiotroph and examine their distribution across the genus <jats:italic>Alteromonas</jats:italic> . We provide evidence that substrate-specific bioavailability is niche specific, particularly for iron complexes, indicating that transport capacity may serve as a significant control on microbial community dynamics and the resultant cycling of organic matter. </jats:p> Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii mSystems |
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| title |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_unstemmed |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_full |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_fullStr |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_full_unstemmed |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_short |
Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_sort |
transcriptomic study of substrate-specific transport mechanisms for iron and carbon in the marine copiotroph alteromonas macleodii |
| topic |
Computer Science Applications Genetics Molecular Biology Modeling and Simulation Ecology, Evolution, Behavior and Systematics Biochemistry Physiology Microbiology |
| url |
http://dx.doi.org/10.1128/msystems.00070-20 |
| publishDate |
2020 |
| physical |
|
| description |
<jats:p>
As the major facilitators of the turnover of organic matter in the marine environment, the ability of heterotrophic bacteria to acquire specific compounds within the diverse range of dissolved organic matter will affect the regeneration of essential nutrients such as iron and carbon. TonB-dependent transporters are a prevalent cellular tool in Gram-negative bacteria that allow a relatively high-molecular-weight fraction of organic matter to be directly accessed. However, these transporters are not well characterized in marine bacteria, limiting our understanding of the flow of specific substrates through the marine microbial loop. Here, we characterize the TonB-dependent transporters responsible for iron and carbon acquisition in a representative marine copiotroph and examine their distribution across the genus
<jats:italic>Alteromonas</jats:italic>
. We provide evidence that substrate-specific bioavailability is niche specific, particularly for iron complexes, indicating that transport capacity may serve as a significant control on microbial community dynamics and the resultant cycling of organic matter.
</jats:p> |
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| author | Manck, Lauren E., Espinoza, Josh L., Dupont, Christopher L., Barbeau, Katherine A. |
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| description | <jats:p> As the major facilitators of the turnover of organic matter in the marine environment, the ability of heterotrophic bacteria to acquire specific compounds within the diverse range of dissolved organic matter will affect the regeneration of essential nutrients such as iron and carbon. TonB-dependent transporters are a prevalent cellular tool in Gram-negative bacteria that allow a relatively high-molecular-weight fraction of organic matter to be directly accessed. However, these transporters are not well characterized in marine bacteria, limiting our understanding of the flow of specific substrates through the marine microbial loop. Here, we characterize the TonB-dependent transporters responsible for iron and carbon acquisition in a representative marine copiotroph and examine their distribution across the genus <jats:italic>Alteromonas</jats:italic> . We provide evidence that substrate-specific bioavailability is niche specific, particularly for iron complexes, indicating that transport capacity may serve as a significant control on microbial community dynamics and the resultant cycling of organic matter. </jats:p> |
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| spelling | Manck, Lauren E. Espinoza, Josh L. Dupont, Christopher L. Barbeau, Katherine A. 2379-5077 American Society for Microbiology Computer Science Applications Genetics Molecular Biology Modeling and Simulation Ecology, Evolution, Behavior and Systematics Biochemistry Physiology Microbiology http://dx.doi.org/10.1128/msystems.00070-20 <jats:p> As the major facilitators of the turnover of organic matter in the marine environment, the ability of heterotrophic bacteria to acquire specific compounds within the diverse range of dissolved organic matter will affect the regeneration of essential nutrients such as iron and carbon. TonB-dependent transporters are a prevalent cellular tool in Gram-negative bacteria that allow a relatively high-molecular-weight fraction of organic matter to be directly accessed. However, these transporters are not well characterized in marine bacteria, limiting our understanding of the flow of specific substrates through the marine microbial loop. Here, we characterize the TonB-dependent transporters responsible for iron and carbon acquisition in a representative marine copiotroph and examine their distribution across the genus <jats:italic>Alteromonas</jats:italic> . We provide evidence that substrate-specific bioavailability is niche specific, particularly for iron complexes, indicating that transport capacity may serve as a significant control on microbial community dynamics and the resultant cycling of organic matter. </jats:p> Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii mSystems |
| spellingShingle | Manck, Lauren E., Espinoza, Josh L., Dupont, Christopher L., Barbeau, Katherine A., mSystems, Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii, Computer Science Applications, Genetics, Molecular Biology, Modeling and Simulation, Ecology, Evolution, Behavior and Systematics, Biochemistry, Physiology, Microbiology |
| title | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_full | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_fullStr | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_full_unstemmed | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_short | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| title_sort | transcriptomic study of substrate-specific transport mechanisms for iron and carbon in the marine copiotroph alteromonas macleodii |
| title_unstemmed | Transcriptomic Study of Substrate-Specific Transport Mechanisms for Iron and Carbon in the Marine Copiotroph Alteromonas macleodii |
| topic | Computer Science Applications, Genetics, Molecular Biology, Modeling and Simulation, Ecology, Evolution, Behavior and Systematics, Biochemistry, Physiology, Microbiology |
| url | http://dx.doi.org/10.1128/msystems.00070-20 |