Natsuko Hamamura
@nhamamura.bsky.social
Professor in microbial ecology, #geomicrobiology @ Kyushu Univ 🇯🇵. Interested in microbe-mineral interactions, bioremediation , extreme environments. ♨️⛏️🔬
Oregon State Uni Alumni
#WomenInSTEM
Oregon State Uni Alumni
#WomenInSTEM
Reposted by Natsuko Hamamura
Chromosomal capture of beneficial genes drives plasmids towards ecological redundancy | The ISME Journal | Oxford Academic https://academic.oup.com/ismej/advance-article/doi/10.1093/ismejo/wraf091/8128477?rss=1&login=false
Chromosomal capture of beneficial genes drives plasmids towards ecological redundancy
Abstract. Plasmids are a ubiquitous feature of bacterial genomes, but the forces driving genes and phenotypes to become associated with plasmids are poorly
dx.doi.org
May 13, 2025 at 3:32 AM
Chromosomal capture of beneficial genes drives plasmids towards ecological redundancy | The ISME Journal | Oxford Academic https://academic.oup.com/ismej/advance-article/doi/10.1093/ismejo/wraf091/8128477?rss=1&login=false
Reposted by Natsuko Hamamura
Hunting extreme microbes that redefine the limits of life
book by @karenlloyd.bsky.social #usc_earth #usc_meb
www.nature.com/articles/d41...
book by @karenlloyd.bsky.social #usc_earth #usc_meb
www.nature.com/articles/d41...
Hunting extreme microbes that redefine the limits of life
An adventurous survey of inhospitable habitats unearths extraordinary organisms that pose challenging research questions.
www.nature.com
May 13, 2025 at 3:26 AM
Hunting extreme microbes that redefine the limits of life
book by @karenlloyd.bsky.social #usc_earth #usc_meb
www.nature.com/articles/d41...
book by @karenlloyd.bsky.social #usc_earth #usc_meb
www.nature.com/articles/d41...
Reposted by Natsuko Hamamura
Bacterial nitrite production oxidizes Fe(II) bioremediating acidic abandoned coal mine drainage journals.asm.org/doi/full/10.... #jcampubs
April 18, 2025 at 2:54 PM
Bacterial nitrite production oxidizes Fe(II) bioremediating acidic abandoned coal mine drainage journals.asm.org/doi/full/10.... #jcampubs
Reposted by Natsuko Hamamura
Enrichment and characterization of anaerobic ammonium oxidation coupled with #iron reduction ( #Feammox ) by anaerobic digestion and conventional activated sludges #anammoxhttps://www.sciencedirect.com/science/article/pii/S2213343725013351
Enrichment and characterization of anaerobic ammonium oxidation coupled with iron reduction (Feammox) by anaerobic digestion and conventional activated sludges
Anaerobic ammonium oxidation coupled to iron reduction (Feammox) plays a key role in nitrogen cycling, yet its potential for wastewater treatment rema…
www.sciencedirect.com
April 15, 2025 at 6:42 AM
Reposted by Natsuko Hamamura
A geological timescale for bacterial evolution and oxygen adaptation www.science.org/doi/abs/10.1... #jcampubs
A geological timescale for bacterial evolution and oxygen adaptation
Microbial life has dominated Earth’s history but left a sparse fossil record, greatly hindering our understanding of evolution in deep time. However, bacterial metabolism has left signatures in the ge...
www.science.org
April 4, 2025 at 1:29 PM
A geological timescale for bacterial evolution and oxygen adaptation www.science.org/doi/abs/10.1... #jcampubs
Reposted by Natsuko Hamamura
AI for research: the ultimate guide to choosing the right tool www.nature.com/articles/d41...
AI for research: the ultimate guide to choosing the right tool
Curious about using artificial intelligence to boost your research? Here are the programs you shouldn’t miss.
www.nature.com
April 7, 2025 at 3:17 PM
AI for research: the ultimate guide to choosing the right tool www.nature.com/articles/d41...
Reposted by Natsuko Hamamura
Extracellular electron transfer proteins contribute to reduction of ferric minerals by Geobacter biofilms journals.asm.org/doi/full/10.... #jcampubs
April 10, 2025 at 1:41 PM
Extracellular electron transfer proteins contribute to reduction of ferric minerals by Geobacter biofilms journals.asm.org/doi/full/10.... #jcampubs
Reposted by Natsuko Hamamura
Most bacterial gene families are biased toward specific chromosomal positions www.science.org/doi/abs/10.1... #jcampubs
Most bacterial gene families are biased toward specific chromosomal positions
The arrangement of genes along bacterial chromosomes influences their expression through growth rate–dependent gene copy number changes during DNA replication. Although translation- and transcription-...
www.science.org
April 11, 2025 at 9:18 PM
Most bacterial gene families are biased toward specific chromosomal positions www.science.org/doi/abs/10.1... #jcampubs
Reposted by Natsuko Hamamura
Asgard archaea have actin - but what about microtubules? Where do they come from? 🧐 Our new paper www.cell.com/cell/fulltex... by @xujwet.bsky.social & @florianwollweber.bsky.social, in collaboration with the Schleper & Wieczorek labs, describes tiny Asgard microtubules! #TeamTomo #ArchaeaSky 1/6
March 21, 2025 at 3:16 PM
Asgard archaea have actin - but what about microtubules? Where do they come from? 🧐 Our new paper www.cell.com/cell/fulltex... by @xujwet.bsky.social & @florianwollweber.bsky.social, in collaboration with the Schleper & Wieczorek labs, describes tiny Asgard microtubules! #TeamTomo #ArchaeaSky 1/6
Reposted by Natsuko Hamamura
Just noticed this preprint about #dark_oxygen production by nitrate reducing bacteria. I thought the case of the Deferribacterota is pretty convincing. For the orther bacteria, more work needs to be done. If this is true, dark oxygen turns out te be very prevalent! www.biorxiv.org/content/10.1...
Nitrate-driven dark oxygen production by diverse deep-sea microorganisms
To date, only three biotic pathways for light-independent oxygen (i.e. dark oxygen) production: chlorate dismutation, nitric oxide dismutation, and methanobactin-dependent lysis of water. Oxygen has b...
www.biorxiv.org
March 20, 2025 at 5:39 PM
Just noticed this preprint about #dark_oxygen production by nitrate reducing bacteria. I thought the case of the Deferribacterota is pretty convincing. For the orther bacteria, more work needs to be done. If this is true, dark oxygen turns out te be very prevalent! www.biorxiv.org/content/10.1...
Reposted by Natsuko Hamamura
Enhanced Ammonium Oxidation and Iron Cycle of #Feammox Under Micro-Oxygen Condition
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Enhanced Ammonium Oxidation and Iron Cycle of Feammox Under Micro-Oxygen Condition
Autotrophic anaerobic ammonium oxidation coupled to Fe(III) reduction (Feammox) is a promising technology for treating low C/N wastewater. However, Fe…
www.sciencedirect.com
March 20, 2025 at 12:13 PM
Enhanced Ammonium Oxidation and Iron Cycle of #Feammox Under Micro-Oxygen Condition
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Visited Río Clarillo National Park in Chile with our collaborator Nacho Iganacio’a group. Hope our set up works! Thank you for a great team effort yesterday!
March 20, 2025 at 12:16 PM
Visited Río Clarillo National Park in Chile with our collaborator Nacho Iganacio’a group. Hope our set up works! Thank you for a great team effort yesterday!
Reposted by Natsuko Hamamura
Meet the Microbiologist: Manuel Martinez Garcia, Ph.D., a professor of microbiology at the University of Alicante in Spain, analyzes genomic signatures of microorganisms frozen in ice cores collected from the Filchner–Ronne Ice Shelf in the Antarctic. asm.org/Podcasts/MTM...
Discovering Fossilized Microbes in Antarctic Ice Cores With Manuel Martinez Garcia
Manuel Martinez Garcia, Ph.D., a professor of microbiology at the University of Alicante in Spain, analyzes genomic signatures of microorganisms frozen in ice cores collected from the Filchner–Ronne I...
asm.org
March 19, 2025 at 3:48 PM
Meet the Microbiologist: Manuel Martinez Garcia, Ph.D., a professor of microbiology at the University of Alicante in Spain, analyzes genomic signatures of microorganisms frozen in ice cores collected from the Filchner–Ronne Ice Shelf in the Antarctic. asm.org/Podcasts/MTM...
Reposted by Natsuko Hamamura
Former PhD student Alexis Fonseca has just published his paper about filamentous uncultivated bacteria from sediment off the coast of Chile: dx.doi.org/10.1111/1462... @larspeternielsen.bsky.social
Large Filamentous Bacteria Isolated From Sulphidic Sediments Reveal Novel Species and Distinct Energy and Defence Mechanisms for Survival
In this study, we used micromanipulation and omics to analyse 15 large filamentous bacteria collected from sulphidic sediments off Chile. We discovered novel species from various phyla, and diverse m...
dx.doi.org
March 19, 2025 at 12:20 PM
Former PhD student Alexis Fonseca has just published his paper about filamentous uncultivated bacteria from sediment off the coast of Chile: dx.doi.org/10.1111/1462... @larspeternielsen.bsky.social
Reposted by Natsuko Hamamura
Hydrogenase-driven ATP synthesis from air
www.biorxiv.org/content/10.1...
New work from us where we put the Huc hydrogenase to work to see if it can generate a proton motive force. It can!
cc: @ashleighkropp.bsky.social @rhyswg.bsky.social @greening.bsky.social
www.biorxiv.org/content/10.1...
New work from us where we put the Huc hydrogenase to work to see if it can generate a proton motive force. It can!
cc: @ashleighkropp.bsky.social @rhyswg.bsky.social @greening.bsky.social
March 19, 2025 at 3:21 AM
Hydrogenase-driven ATP synthesis from air
www.biorxiv.org/content/10.1...
New work from us where we put the Huc hydrogenase to work to see if it can generate a proton motive force. It can!
cc: @ashleighkropp.bsky.social @rhyswg.bsky.social @greening.bsky.social
www.biorxiv.org/content/10.1...
New work from us where we put the Huc hydrogenase to work to see if it can generate a proton motive force. It can!
cc: @ashleighkropp.bsky.social @rhyswg.bsky.social @greening.bsky.social
Reposted by Natsuko Hamamura
The Bacterial Antimonite Oxidase AnoA: Unexpected Diversity and Environmental Widespread Occurrence enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/... #jcampubs
The Bacterial Antimonite Oxidase AnoA: Unexpected Diversity and Environmental Widespread Occurrence
The bacterial antimonite oxidase AnoA has been identified in various taxa of the Pseudomonadota and Actinomycetota. The anoA gene was suggested to be mainly inherited vertically and was revealed to b....
enviromicro-journals.onlinelibrary.wiley.com
February 27, 2025 at 1:55 PM
The Bacterial Antimonite Oxidase AnoA: Unexpected Diversity and Environmental Widespread Occurrence enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/... #jcampubs
Reposted by Natsuko Hamamura
Nice perspective in Science summing up recent advances on the importance of phosphate to the origin of life and featuring my lab's favorite field sites: Lakes Goodenough and Last Chance... (photo is Mono Lake though) www.science.org/content/arti...
Unusual ‘soda lakes’ may have kick-started life on Earth by concentrating key compounds
Phosphorus leached from volcanic rocks in warm waters could have triggered reactions needed to launch biochemistry
www.science.org
February 28, 2025 at 5:15 PM
Nice perspective in Science summing up recent advances on the importance of phosphate to the origin of life and featuring my lab's favorite field sites: Lakes Goodenough and Last Chance... (photo is Mono Lake though) www.science.org/content/arti...
Reposted by Natsuko Hamamura
Should I stay or should I go: transmission trade-offs in phages and plasmids
@cp-trendsmicrobiol.bsky.social Opinion by @jhuisman.bsky.social, Andrina Bernhard and
@claudiaigler.bsky.social
www.cell.com/trends/micro...
@cp-trendsmicrobiol.bsky.social Opinion by @jhuisman.bsky.social, Andrina Bernhard and
@claudiaigler.bsky.social
www.cell.com/trends/micro...
Should I stay or should I go: transmission trade-offs in phages and plasmids
Mobile genetic elements (MGEs), like temperate bacteriophages and conjugative plasmids,
are major vectors of virulence and antibiotic resistance in bacterial populations.
For reproductive success, MGE...
www.cell.com
February 20, 2025 at 10:29 AM
Should I stay or should I go: transmission trade-offs in phages and plasmids
@cp-trendsmicrobiol.bsky.social Opinion by @jhuisman.bsky.social, Andrina Bernhard and
@claudiaigler.bsky.social
www.cell.com/trends/micro...
@cp-trendsmicrobiol.bsky.social Opinion by @jhuisman.bsky.social, Andrina Bernhard and
@claudiaigler.bsky.social
www.cell.com/trends/micro...
Reposted by Natsuko Hamamura
🦠 #OilReservoirs harbor unseen microbial worlds! 🌍🔬 @alexjprobst.bsky.social lab study of a pristine reservoir reveals bacteria & fungi breaking down #hydrocarbons—and a global network of shared genes. But the mystery of plasmid distribution pattern remains! 🧬 #Biodegradation
https://buff.ly/4gwdYUJ
https://buff.ly/4gwdYUJ
February 19, 2025 at 8:00 AM
🦠 #OilReservoirs harbor unseen microbial worlds! 🌍🔬 @alexjprobst.bsky.social lab study of a pristine reservoir reveals bacteria & fungi breaking down #hydrocarbons—and a global network of shared genes. But the mystery of plasmid distribution pattern remains! 🧬 #Biodegradation
https://buff.ly/4gwdYUJ
https://buff.ly/4gwdYUJ
Reposted by Natsuko Hamamura
Less than 2-weeks until the deadline for #Goldschmidt2025 session and workshop proposals. Help build the #geochemistry science program, more info⬇️
#Goldschmidt2025 call for session and workshop proposals now open, deadline 15 October. More info: conf.goldschmidt.info/goldschmidt/...
October 3, 2024 at 9:29 AM
Less than 2-weeks until the deadline for #Goldschmidt2025 session and workshop proposals. Help build the #geochemistry science program, more info⬇️
Reposted by Natsuko Hamamura
Distribution of early-branching Cyanobacteriia and the potential habitats that gave rise to the earliest oxygenic phototrophs journals.asm.org/doi/full/10.... #jcampubs
January 31, 2025 at 4:49 AM
Distribution of early-branching Cyanobacteriia and the potential habitats that gave rise to the earliest oxygenic phototrophs journals.asm.org/doi/full/10.... #jcampubs
Reposted by Natsuko Hamamura
Methanol transfer supports metabolic syntrophy between bacteria and archaea www.nature.com/articles/s41... #jcampubs
Methanol transfer supports metabolic syntrophy between bacteria and archaea - Nature
Zhaonella formicivorans produces methanol, for a novel syntrophic interaction, without requiring methylated compounds as an input.
www.nature.com
January 30, 2025 at 2:30 PM
Methanol transfer supports metabolic syntrophy between bacteria and archaea www.nature.com/articles/s41... #jcampubs
Reposted by Natsuko Hamamura
Out now, a comprehensive guide to metagenomics -- from sample collection to data analysis. This primer covers best practices, challenges, and applications in health, agriculture & environment. A roadmap for studying microbial communities 👇
www.nature.com/articles/s43...
www.nature.com/articles/s43...
January 27, 2025 at 9:53 PM
Out now, a comprehensive guide to metagenomics -- from sample collection to data analysis. This primer covers best practices, challenges, and applications in health, agriculture & environment. A roadmap for studying microbial communities 👇
www.nature.com/articles/s43...
www.nature.com/articles/s43...
Reposted by Natsuko Hamamura
Single-cell phenotyping of extracellular electron transfer via microdroplet encapsulation journals.asm.org/doi/full/10.... #jcampubs
January 15, 2025 at 2:44 PM
Single-cell phenotyping of extracellular electron transfer via microdroplet encapsulation journals.asm.org/doi/full/10.... #jcampubs