Modulibacteria: Difference between revisions
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'''Modulibacteria''' is a [[Bacterial phyla|bacterial phylum]] formerly known as '''KS3B3''' or '''GN06'''. It is a [[Candidatus|candidate]] phylum, meaning there are no cultured representatives of this group. Members of the Modulibacteria phylum are known to cause fatal filament overgrowth (bulking) in high-rate industrial [[Anaerobic digestion|anaerobic]] wastewater treatment [[ |
'''Modulibacteria''' is a [[Bacterial phyla|bacterial phylum]] formerly known as '''KS3B3''' or '''GN06'''. It is a [[Candidatus|candidate]] phylum, meaning there are no cultured representatives of this group. Members of the Modulibacteria phylum are known to cause fatal filament overgrowth (bulking) in high-rate industrial [[Anaerobic digestion|anaerobic]] wastewater treatment [[bioreactor]]s.<ref>{{Cite journal|last1=Yamada|first1=Takeshi|last2=Yamauchi|first2=Toshihiro|last3=Shiraishi|first3=Koji|last4=Hugenholtz|first4=Philip|last5=Ohashi|first5=Akiyoshi|last6=Harada|first6=Hideki|last7=Kamagata|first7=Yoichi|last8=Nakamura|first8=Kazunori|last9=Sekiguchi|first9=Yuji|date=2007-05-31|title=Characterization of filamentous bacteria, belonging to candidate phylum KSB3, that are associated with bulking in methanogenic granular sludges|journal=The ISME Journal|volume=1|issue=3|pages=246–255|doi=10.1038/ismej.2007.28|pmid=18043635|s2cid=5077407|issn=1751-7362|doi-access=free}}</ref><ref>{{Cite journal|last1=Yamada|first1=Takeshi|last2=Kikuchi|first2=Kae|last3=Yamauchi|first3=Toshihiro|last4=Shiraishi|first4=Koji|last5=Ito|first5=Tsukasa|last6=Okabe|first6=Satoshi|last7=Hiraishi|first7=Akira|last8=Ohashi|first8=Akiyoshi|last9=Harada|first9=Hideki|last10=Kamagata|first10=Yoichi|last11=Nakamura|first11=Kazunori|date=2011-01-21|title=Ecophysiology of Uncultured Filamentous Anaerobes Belonging to the Phylum KSB3 That Cause Bulking in Methanogenic Granular Sludge|journal=Applied and Environmental Microbiology|volume=77|issue=6|pages=2081–2087|doi=10.1128/aem.02475-10|pmid=21257808|pmc=3067334|issn=0099-2240}}</ref> |
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The Modulibacteria phylum was first proposed in 2006 by two independent research groups based on analyses of [[16S rRNA]] gene sequences. One group recovered Modulibacteria sequences from the a [[Hypersaline lake|hypersaline]] microbial mat from [[Guerrero Negro]] (Baja California Sur, Mexico) and used the provisional name GN06 for the novel [[phylum]],<ref>{{Cite journal|last1=Ley|first1=Ruth E.|last2=Harris|first2=J. Kirk|last3=Wilcox|first3=Joshua|last4=Spear|first4=John R.|last5=Miller|first5=Scott R.|last6=Bebout|first6=Brad M.|last7=Maresca|first7=Julia A.|last8=Bryant|first8=Donald A.|last9=Sogin|first9=Mitchell L.|last10=Pace|first10=Norman R.|date=2006-05-01|title=Unexpected Diversity and Complexity of the Guerrero Negro Hypersaline Microbial Mat|journal=Applied and Environmental Microbiology|language=en|volume=72|issue=5|pages=3685–3695|doi=10.1128/AEM.72.5.3685-3695.2006|issn=0099-2240|pmid=16672518|pmc=1472358}}</ref> while the other recovered sequences from sulfur-rich black mud [[marine sediments]] (CA, USA) and used the provisional name KSB3.<ref>{{Cite journal|last=Tanner|first=Michael|date=2006|title=Complex Microbial Communities Inhabiting Sulfide-rich Black Mud from Marine Coastal Environments|journal=Biotechnology et Alia|volume=8|pages=1–16}}</ref> |
The Modulibacteria phylum was first proposed in 2006 by two independent research groups based on analyses of [[16S rRNA]] gene sequences. One group recovered Modulibacteria sequences from the a [[Hypersaline lake|hypersaline]] microbial mat from [[Guerrero Negro]] (Baja California Sur, Mexico) and used the provisional name GN06 for the novel [[phylum]],<ref>{{Cite journal|last1=Ley|first1=Ruth E.|last2=Harris|first2=J. Kirk|last3=Wilcox|first3=Joshua|last4=Spear|first4=John R.|last5=Miller|first5=Scott R.|last6=Bebout|first6=Brad M.|last7=Maresca|first7=Julia A.|last8=Bryant|first8=Donald A.|last9=Sogin|first9=Mitchell L.|last10=Pace|first10=Norman R.|date=2006-05-01|title=Unexpected Diversity and Complexity of the Guerrero Negro Hypersaline Microbial Mat|journal=Applied and Environmental Microbiology|language=en|volume=72|issue=5|pages=3685–3695|doi=10.1128/AEM.72.5.3685-3695.2006|issn=0099-2240|pmid=16672518|pmc=1472358}}</ref> while the other recovered sequences from sulfur-rich black mud [[marine sediments]] (CA, USA) and used the provisional name KSB3.<ref>{{Cite journal|last=Tanner|first=Michael|date=2006|title=Complex Microbial Communities Inhabiting Sulfide-rich Black Mud from Marine Coastal Environments|journal=Biotechnology et Alia|volume=8|pages=1–16}}</ref> |
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The first [[Genomics|genomic]] insights into the phylum were achieved in 2015, at which time the name "Modulibacteria" was proposed.<ref name=":0" /> Two genomes were recovered from [[Methanogenesis|methanogenic]] sludge samples of a full-scale [[Upflow anaerobic sludge blanket digestion|upflow anaerobic sludge blanket]] (UASB) reactor treating a high-strength organic [[wastewater]] discharged from a food-processing factory. |
The first [[Genomics|genomic]] insights into the phylum were achieved in 2015, at which time the name "Modulibacteria" was proposed.<ref name=":0" /> Two genomes were recovered from [[Methanogenesis|methanogenic]] sludge samples of a full-scale [[Upflow anaerobic sludge blanket digestion|upflow anaerobic sludge blanket]] (UASB) reactor treating a high-strength organic [[wastewater]] discharged from a food-processing factory. |
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Through a combination of genome-based [[Metabolism|metabolic]] reconstruction and microscopic observation, it was determined that the two studied Modulibacteria species (''Moduliflexus flocculans'' and ''Vecturithrix granuli'') produce filamentous structures and are [[Gram-negative bacteria|Gram-negative]], strictly anaerobic [[ |
Through a combination of genome-based [[Metabolism|metabolic]] reconstruction and microscopic observation, it was determined that the two studied Modulibacteria species (''Moduliflexus flocculans'' and ''Vecturithrix granuli'') produce filamentous structures and are [[Gram-negative bacteria|Gram-negative]], strictly anaerobic [[fermenter]]s capable of non-[[Flagellum|flagellar]] based gliding motility. Both have an unusually large number of sensory and response [[regulator gene]]s compared to other bacteria.<ref name=":0" /> |
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Members of the Modulibacteria phylum have been detected in a variety of environments in addition to bioreactors and hypersaline mats, such as wetland sediments ([https://www.ncbi.nlm.nih.gov/nuccore/FJ516883 FJ516883.1]), the [[dolphin]] mouth,<ref>{{Cite journal|last1=Bik|first1=Elisabeth M.|last2=Costello|first2=Elizabeth K.|last3=Switzer|first3=Alexandra D.|last4=Callahan|first4=Benjamin J.|last5=Holmes|first5=Susan P.|last6=Wells|first6=Randall S.|last7=Carlin|first7=Kevin P.|last8=Jensen|first8=Eric D.|last9=Venn-Watson|first9=Stephanie|last10=Relman|first10=David A.|date=2016-02-03|title=Marine mammals harbor unique microbiotas shaped by and yet distinct from the sea|journal=Nature Communications|language=en|volume=7|issue=1|page=10516|doi=10.1038/ncomms10516|pmid=26839246|pmc=4742810|bibcode=2016NatCo...710516B|issn=2041-1723}}</ref><ref>{{Cite journal|last1=Dudek|first1=Natasha K.|last2=Sun|first2=Christine L.|last3=Burstein|first3=David|last4=Kantor|first4=Rose S.|last5=Aliaga Goltsman|first5=Daniela S.|last6=Bik|first6=Elisabeth M.|last7=Thomas|first7=Brian C.|last8=Banfield|first8=Jillian F.|last9=Relman|first9=David A.|date=2017-12-18|title=Novel Microbial Diversity and Functional Potential in the Marine Mammal Oral Microbiome|journal=Current Biology|volume=27|issue=24|pages=3752–3762.e6|doi=10.1016/j.cub.2017.10.040|issn=1879-0445|pmid=29153320|doi-access=free}}</ref> and a [[Tube worm|tubeworm]] from a [[Cold seep|coldseep]] ([https://www.ncbi.nlm.nih.gov/nuccore/FM165273 FM165273]). |
Members of the Modulibacteria phylum have been detected in a variety of environments in addition to bioreactors and hypersaline mats, such as wetland sediments ([https://www.ncbi.nlm.nih.gov/nuccore/FJ516883 FJ516883.1]), the [[dolphin]] mouth,<ref>{{Cite journal|last1=Bik|first1=Elisabeth M.|last2=Costello|first2=Elizabeth K.|last3=Switzer|first3=Alexandra D.|last4=Callahan|first4=Benjamin J.|last5=Holmes|first5=Susan P.|last6=Wells|first6=Randall S.|last7=Carlin|first7=Kevin P.|last8=Jensen|first8=Eric D.|last9=Venn-Watson|first9=Stephanie|last10=Relman|first10=David A.|date=2016-02-03|title=Marine mammals harbor unique microbiotas shaped by and yet distinct from the sea|journal=Nature Communications|language=en|volume=7|issue=1|page=10516|doi=10.1038/ncomms10516|pmid=26839246|pmc=4742810|bibcode=2016NatCo...710516B|issn=2041-1723}}</ref><ref>{{Cite journal|last1=Dudek|first1=Natasha K.|last2=Sun|first2=Christine L.|last3=Burstein|first3=David|last4=Kantor|first4=Rose S.|last5=Aliaga Goltsman|first5=Daniela S.|last6=Bik|first6=Elisabeth M.|last7=Thomas|first7=Brian C.|last8=Banfield|first8=Jillian F.|last9=Relman|first9=David A.|date=2017-12-18|title=Novel Microbial Diversity and Functional Potential in the Marine Mammal Oral Microbiome|journal=Current Biology|volume=27|issue=24|pages=3752–3762.e6|doi=10.1016/j.cub.2017.10.040|issn=1879-0445|pmid=29153320|doi-access=free}}</ref> and a [[Tube worm|tubeworm]] from a [[Cold seep|coldseep]] ([https://www.ncbi.nlm.nih.gov/nuccore/FM165273 FM165273]). |
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== References == |
== References == |
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[[Category:Bacteria phyla]] |
[[Category:Bacteria phyla]] |
Revision as of 14:19, 25 April 2021
Modulibacteria | |
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Scientific classification | |
Domain: | |
Phylum: | Modulibacteria
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Modulibacteria is a bacterial phylum formerly known as KS3B3 or GN06. It is a candidate phylum, meaning there are no cultured representatives of this group. Members of the Modulibacteria phylum are known to cause fatal filament overgrowth (bulking) in high-rate industrial anaerobic wastewater treatment bioreactors.[1][2]
The Modulibacteria phylum was first proposed in 2006 by two independent research groups based on analyses of 16S rRNA gene sequences. One group recovered Modulibacteria sequences from the a hypersaline microbial mat from Guerrero Negro (Baja California Sur, Mexico) and used the provisional name GN06 for the novel phylum,[3] while the other recovered sequences from sulfur-rich black mud marine sediments (CA, USA) and used the provisional name KSB3.[4]
The first genomic insights into the phylum were achieved in 2015, at which time the name "Modulibacteria" was proposed.[5] Two genomes were recovered from methanogenic sludge samples of a full-scale upflow anaerobic sludge blanket (UASB) reactor treating a high-strength organic wastewater discharged from a food-processing factory.
Through a combination of genome-based metabolic reconstruction and microscopic observation, it was determined that the two studied Modulibacteria species (Moduliflexus flocculans and Vecturithrix granuli) produce filamentous structures and are Gram-negative, strictly anaerobic fermenters capable of non-flagellar based gliding motility. Both have an unusually large number of sensory and response regulator genes compared to other bacteria.[5]
Members of the Modulibacteria phylum have been detected in a variety of environments in addition to bioreactors and hypersaline mats, such as wetland sediments (FJ516883.1), the dolphin mouth,[6][7] and a tubeworm from a coldseep (FM165273).
Taxonomy
The following taxonomy was proposed by Sekiguchi et al (2015)[5]
- Class Moduliflexia
- Order Moduliflexales
- Family Moduliflexaceae
- Genus Moduliflexus
- Species Moduliflexus flocculans
- Genus Moduliflexus
- Family Moduliflexaceae
- Order Moduliflexales
- Class Vecturitrichia
- Order Vecturatrichales
- Family Vecturatrichaceae
- Genus Vecturithrix
- Species Vecturithrix granuli
- Genus Vecturithrix
- Family Vecturatrichaceae
- Order Vecturatrichales
References
- ^ Yamada, Takeshi; Yamauchi, Toshihiro; Shiraishi, Koji; Hugenholtz, Philip; Ohashi, Akiyoshi; Harada, Hideki; Kamagata, Yoichi; Nakamura, Kazunori; Sekiguchi, Yuji (2007-05-31). "Characterization of filamentous bacteria, belonging to candidate phylum KSB3, that are associated with bulking in methanogenic granular sludges". The ISME Journal. 1 (3): 246–255. doi:10.1038/ismej.2007.28. ISSN 1751-7362. PMID 18043635. S2CID 5077407.
- ^ Yamada, Takeshi; Kikuchi, Kae; Yamauchi, Toshihiro; Shiraishi, Koji; Ito, Tsukasa; Okabe, Satoshi; Hiraishi, Akira; Ohashi, Akiyoshi; Harada, Hideki; Kamagata, Yoichi; Nakamura, Kazunori (2011-01-21). "Ecophysiology of Uncultured Filamentous Anaerobes Belonging to the Phylum KSB3 That Cause Bulking in Methanogenic Granular Sludge". Applied and Environmental Microbiology. 77 (6): 2081–2087. doi:10.1128/aem.02475-10. ISSN 0099-2240. PMC 3067334. PMID 21257808.
- ^ Ley, Ruth E.; Harris, J. Kirk; Wilcox, Joshua; Spear, John R.; Miller, Scott R.; Bebout, Brad M.; Maresca, Julia A.; Bryant, Donald A.; Sogin, Mitchell L.; Pace, Norman R. (2006-05-01). "Unexpected Diversity and Complexity of the Guerrero Negro Hypersaline Microbial Mat". Applied and Environmental Microbiology. 72 (5): 3685–3695. doi:10.1128/AEM.72.5.3685-3695.2006. ISSN 0099-2240. PMC 1472358. PMID 16672518.
- ^ Tanner, Michael (2006). "Complex Microbial Communities Inhabiting Sulfide-rich Black Mud from Marine Coastal Environments". Biotechnology et Alia. 8: 1–16.
- ^ a b c Sekiguchi, Yuji; Ohashi, Akiko; Parks, Donovan H.; Yamauchi, Toshihiro; Tyson, Gene W.; Hugenholtz, Philip (2015-01-27). "First genomic insights into members of a candidate bacterial phylum responsible for wastewater bulking". PeerJ. 3: e740. doi:10.7717/peerj.740. ISSN 2167-8359. PMC 4312070. PMID 25650158.
{{cite journal}}
: CS1 maint: unflagged free DOI (link) - ^ Bik, Elisabeth M.; Costello, Elizabeth K.; Switzer, Alexandra D.; Callahan, Benjamin J.; Holmes, Susan P.; Wells, Randall S.; Carlin, Kevin P.; Jensen, Eric D.; Venn-Watson, Stephanie; Relman, David A. (2016-02-03). "Marine mammals harbor unique microbiotas shaped by and yet distinct from the sea". Nature Communications. 7 (1): 10516. Bibcode:2016NatCo...710516B. doi:10.1038/ncomms10516. ISSN 2041-1723. PMC 4742810. PMID 26839246.
- ^ Dudek, Natasha K.; Sun, Christine L.; Burstein, David; Kantor, Rose S.; Aliaga Goltsman, Daniela S.; Bik, Elisabeth M.; Thomas, Brian C.; Banfield, Jillian F.; Relman, David A. (2017-12-18). "Novel Microbial Diversity and Functional Potential in the Marine Mammal Oral Microbiome". Current Biology. 27 (24): 3752–3762.e6. doi:10.1016/j.cub.2017.10.040. ISSN 1879-0445. PMID 29153320.