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Swathi

@swath1.bsky.social
775 followers 165 following 8 posts

👩🏻‍🔬Scientist | 🦠Microbes | ⚡️Metabolism | 🧪Chemistry | 🐌Patterns | 🌎 Earth Postdoc @ MIT - Using electrochemistry and genomics to measure and manipulate microbe/microbiome metabolism. penumutchuscience.vercel.app

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Reposted by Swathi
c0nc0rdance @c0nc0rdance.bsky.social · 30/08/2026
Your Moment of Zen: Martin Gregus Jr. captured this polar bear swimming alongside a pod of beluga whales on drone footage in the Arctic. Polar bears are occasional predators of belugas (ambush at airholes), but they know they can easily outrun the bear in open water. (📷: mywildlive on IG)
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Mike Jetten @msmjetten.bsky.social · 07/08/2026
Community metabolism in dynamic redox landscapes www.sciencedirect.com/science/arti...
sciencedirect.com
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Nigel Goldenfeld @nigelgoldenfeld.bsky.social · 07/08/2026
What do the earliest organisms tell us about where life began on earth? This fantastic paper addresses this issue through analyses that expose early metabolism, & what the environment contributed to kick start it. Even if wrong it is worth reading for the clear introduction to metabolism.
science.org
Intermediate stages in the origin of metabolism at a phosphorylating hydrothermal vent
Enzymatic metabolism emerged from metal-catalyzed, aqueous reactions of H2, CO2, NH3 and phosphite at a hydrothermal vent.
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Svetlana Dodonova @dodonova-sveta.bsky.social · 19/06/2026
Excited to share our new preprint! 🧬❄️ by brilliant @mdreimann.bsky.social and great collaborators! Using cryo-ET&EM, we reveal archaeal chromatin in a near-native state: variable-beads-on-a-string fibers shaped by growth phase and histone composition #ArchaeaSky www.biorxiv.org/content/10.6...
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STCmicrobeblog @stcmicrobeblog.bsky.social · 05/06/2026
it's summer, and time to go to the pool. our post next monday will be about bacteria that swim the backstroke. stay tuned... #MicroSky
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Brett Baker @archaeal.bsky.social · 24/05/2026
www.nature.com/articles/s41...
nature.com
Early fossil eukaryotes were benthic aerobes - Nature
Integrated palaeontological, sedimentological and geochemical analyses of ancient rocks from Australia show that early eukaryotes were largely restricted to oxygenated benthic habitats, probably posse...
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Harmit Singh Malik @harmitmalik.bsky.social · 08/04/2026
"Look for the helpers" —Mister Rogers Focus on the good, compassionate people acting during crises rather than fearing the disaster itself to reduce anxiety, inspire hope, and highlight humanity's inherent goodness (even it’s very hard to believe in this).
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harvardoeb.bsky.social @harvardoeb.bsky.social · 01/04/2026
An exciting new study in PNAS led by postdoc Andrea Unzueta Martinez and Prof. @pgirguis.bsky.social lab shows that oysters coordinate with microbes living inside of them to build their hard shells! A game changer for understanding ocean resilience as waters become more acidic from #climatechange
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Julie Huber, PhD @julesdeep.bsky.social · 26/03/2026
Watch the House Committee Hearing "Beneath the Waves: The Science and Technology of Deep-Sea Mining" Live on YouTube now (Tuesday, March 26 at 10am Eastern) #deepseamining 🌊 www.youtube.com/live/pf6fnin...
youtube.com
Beneath the Waves: The Science and Technology of Deep-Sea Mining
YouTube video by House Science, Space, and Technology Committee
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Jeffrey Marlow @jjmarlow.bsky.social · 10/02/2026
Hey guess what - I wrote a book, and it's coming out soon! The Dark Frontier is about the wonders of the deep sea...and the threats they face. Check it out, and if you're so moved, you can preorder from your favorite purveyor of fine literature 📚❤️ www.penguinrandomhouse.com/books/652987...
penguinrandomhouse.com
The Dark Frontier by Jeffrey Marlow: 9780593230183 | PenguinRandomHouse.com: Books
An awe-inspiring investigation into the hidden world of the deep sea—the most mysterious, unforgiving environment on Earth—whose secrets can radically revise our understanding of life itself...
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Vaughn Cooper @vscooper.micropopbio.org · 08/11/2024
Microbiome research according to Gary Borisy
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Bram van Dijk 🏳️‍🌈 @bramvandijk.bsky.social · 25/02/2026
Some of you may know I simulate a lot of biological systems. And after 15 years of doing this, I can confidently tell you: spatial structure is never irrelevant. It shapes the frequency of mutants... (Fusco et. al, 2016)
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Boston Bacterial Meeting @bostonbacteria.bsky.social · 12/02/2026
The moment you’ve all been waiting for… 🦠 SAVE THE DATE! 🦠 BBM2026 will be held from June 22nd - 23rd at Boston University’s George Sherman Union. Our featured speaker this year is Dr. Eric Skaar from Vanderbilt University! Registration opens soon! More info at: bostonbacterial.org #BBM2026
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Emil Ruff @emilruff.bsky.social · 03/02/2026
Come work with us on #darkoxygen as part of the NASA Postdoctoral Fellowship Program. It is an amazing opportunity to get up to 3 years of funding. Deadlines are March 1. and November 1. Happy to discuss your ideas! Details here: zintellect.com/Opportunity/... @mblscience.bsky.social #astrobiology
zintellect.com
Zintellect - National Aeronautics and Space Administration (NASA) - ICAR - OxyMoRon: Understanding dioxygen production and consumption in apparently anoxic environments - 0042-NPP-MAR26-ABProg-Astrobi...
About the NASA Postdoctoral Program The NASA Postdoctoral Program (NPP) offers unique research opportunities to highly-talented scientists to engage in ong
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Kaçar Lab at UW-Madison @kacarlab.bsky.social · 06/02/2026
New collaborative paper! ⚡ Hannah Feinsibler et al. show that synthetic FeS, FeNiS, and NiS compounds catalyze H+ and nitrate reduction under hydrothermal-vent–like conditions, supporting mineral precursors to enzymes like hydrogenases and nitrogenases! #astrobiology chemrxiv.org/doi/full/10....
chemrxiv.org
Nitrate and Proton Reduction Catalyzed by Iron-and Nickel-Sulfides under Conditions Simulating Hydrothermal Vents | ChemRxiv
The reduction of small molecules, such as protons (H +), nitrate (NO3-), and nitrite (NO2-) to dihydrogen (H2) and ammonium (NH4 +) are essential reactions for life. Extant enzymes such as hydrogenase, nitrogenase, nitrate reductase, and nitrite reductase ...
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NRDC @nrdc.org · 30/01/2026
The Trump administration wants to open our oceans to a destructive deep sea mining industry that would destroy the sea floor and the ecosystems it supports, causing long-lasting harm to the marine environment.
nrdc.org
The Trump Administration Is Racing to Launch the Deep-Sea Mining Industry, Despite Huge Risks and Broad Opposition
This would destroy deep-sea habitats and the ecosystems they support.
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Prof Sheena Cruickshank @sheencr.bsky.social · 22/12/2025
Trump and DOGE gutted US science: Scientists from a variety of fields researching anything from chemical hazards, drug addiction, pollution, LBTQ health care & paediatric brain disease report how grants were withdrawn and and they struggle to support students, staff and research 🧪
theconversation.com
‘This year nearly broke me as a scientist’ – US researchers reflect on how 2025’s science cuts have changed their lives
US science lost a great deal in 2025, including tens of billions of dollars of federal funding, entire research agencies and programs, and a generation of researchers.
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A. Murat Eren (Meren) @merenbey.bsky.social · 15/12/2025
New blog post for my microbiologist colleagues: merenlab.org/2025/12/15/r... In which Meren talks about a paper by Valentina Marcheselli on how microbiologists navigate the tension between reductionism and complexity in their everyday practices.
merenlab.org
Lost and Found in Modern Microbiology: An Ethnography of Modern Microbiologists
A paper on how microbiologists navigate the tension between reductionism and complexity in their everyday practices, and my 2 cents on it.
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Melanie Mitchell @melaniemitchell.bsky.social · 14/12/2025
Thinking of all the colleagues and friends I have who are connected to Brown University. What a devastating day for Brown, and for all of us.
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Anne Applebaum @anneapplebaum.wsocial.eu · 13/12/2025
Brown University is a beautiful place, where people come to work and learn. I am filled with horror by news of this tragedy.
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Mineralogical Society of America @mineralsocamerica.bsky.social · 01/10/2025
American Mineralogist: Mariakrite, [Ca4Al2(OH)12(H2O)4][Fe2S4]: A new mineral and the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains Mikhail N. Murashko, et al. doi.org/10.2138/am-2... Found in pyrometamorphic rocks in the Negev Desert.
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Roland Hatzenpichler @environmicrobio.bsky.social · 29/11/2025
Here's the most important piece of data (as far as I am concerned). Comparing Earth Microbiome to the new ones (V4EXT) for major phyla. V4EXT by @ppjevac.bsky.social et al cover more diversity than current gold standard😱 Lot's of work, the entire field will benefit! My lab's gonna try V4EXT soon!
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H. B. Beryl Rappaport @hbrappap.bsky.social · 25/11/2025
So happy to announce our new preprint, “A geothermal amoeba sets a new upper temperature limit for eukaryotes.” We cultured a novel amoeba from Lassen Volcanic NP (CA, USA) that divides at 63°C (145°F) 🔥 - a new record for euk growth! #protistsonsky 🧵
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Tanmay Bharat @tbharat-lab.bsky.social · 07/11/2025
An Asgard archaeon with internal membrane compartments Brilliant study led by @fmacleod.bsky.social and Andriko von Kügelgen. Tight collaboration with @buzzbaum.bsky.social and lab. Congrats to all authors! www.biorxiv.org/content/10.1...
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Science X / Phys.org @sciencex.bsky.social · 06/11/2025
Deep-sea mining waste in the Clarion-Clipperton Zone may disrupt the ocean's twilight zone food webs by reducing the nutritional quality of particles vital to zooplankton and micronekton.
phys.org
First study of its kind finds deep-sea mining waste threatens life and foodwebs in the ocean's dim 'twilight zone'
A new study led by researchers at the University of Hawaii (UH) at Mānoa published in Nature Communications is the first of its kind to show that waste discharged from deep-sea mining operations in the Pacific's biodiverse Clarion-Clipperton Zone (CCZ) could disrupt marine life in the midwater "twilight zone"—a vital region 200–1,500 meters below sea level that supports vast communities of zooplankton, tiny animals that serve as the ocean's basic food building blocks.
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Archaea Power Hour @archaeapowerhour.bsky.social · 17/10/2025
WE ARE BACK!!! Archaea Power Hour will return this coming WEDNESDAY, Oct. 22nd at 10AM EST/4PM CET. Check your email for the Zoom link (coming soon) or register here: forms.gle/6QvCjHH2H4pxro…. Take a look at the exciting talks we have planned to kick off our fall seminar series:
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Mark O. Martin @markowenmartin.bsky.social · 10/10/2025
New episode of #MattersMicrobial! The superlative Dr. Jeff Gralnick chats with the #QualityQuorum about bacteria that breathe metal! Please spread the #GoodMicrobialWord! @univpugetsound @asmicrobiology @microbe.tv youtu.be/rh-TK2Bvxj8?...
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Allan Konopka @hamatsa50.bsky.social · 06/10/2025
New on Think Like a Microbe ... Iron! 🧫🧪 #philsci open.substack.com/pub/thinkmic...
open.substack.com
Ecological Consequences of Iron Scarcity
Gold is for the mistress, silver for the maid, copper for the craftsman, cunning at his trade, ‘Good’ said the Baron, sitting in his hall, ‘but iron — cold iron — is master of them all’.
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Maria Popova @mariapopova.bsky.social · 04/10/2025
How Jane Goodall turned her childhood dream into reality – a sweet illustrated story of purpose and deep determination www.themarginalian.org/2015/01/19/m...
themarginalian.org
How Jane Goodall Turned Her Childhood Dream into Reality: A Sweet Illustrated Story of Purpose and Deep Determination
A heartening testament to the power of undivided intention.
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Dr. Birgitta Hoffmann @mancent.bsky.social · 01/10/2025
Tonight I learned that one of my heroes has died. I loved her and colleagues' "adventures" as a child and grew up to admire her scientific work for so many reasons. RIP Jane Goodall. Jane Goodall, wildlife advocate and primate expert, dies at 91 - www.reuters.com/business/env...
reuters.com
Wildlife advocate, primate expert Jane Goodall dies at 91
Scientist and global activist Jane Goodall, who turned her childhood love of primates into a lifelong quest for protecting the environment, died on Wednesday at the age of 91, the institute she founded said.
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Maria Popova @mariapopova.bsky.social · 27/09/2025
Silent Spring was published on this day in 1962, catalyzing the environmental movement. The deeply human story behind it: www.themarginalian.org/2017/01/27/r...
themarginalian.org
The Story Behind “Silent Spring”: How Rachel Carson’s Countercultural Courage Catalyzed the Environmental Movement
“It is, in the deepest sense, a privilege as well as a duty to have the opportunity to speak out — to many thousands of people — on something so important.”
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Will Ratcliff @wcratcliff.bsky.social · 18/09/2025
I find this reassuring. LLMs don't replace the need to learn how to write whatsoever. There really are no shortcuts to thinking super hard for many hours. That is the only wait to do good science. All shortcuts are an illusion. --> This is good for the humans! Roll your sleeves up and think.
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A. Murat Eren (Meren) @merenbey.bsky.social · 18/09/2025
Have you ever looked at some differentially occurring gene clusters in a microbial #pangenome and thought to yourself "I wonder if they contribute to any metabolic modules"? With the most recent changes, the answer is a few clicks away in #anvio 😇
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Andreas Bäumler @abaumler.bsky.social · 13/09/2025
Hydrogen sulfide production distinguishes Salmonella from close relatives, but its biological significance remains obscure. This study uncovers the secret: Salmonella uses hydrogen sulfide production as a weapon to outcompete E. coli and gain a foothold in the gut. www.pnas.org/doi/10.1073/...
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Maria Popova @mariapopova.bsky.social · 11/09/2025
“Do you need a prod? Do you need a little darkness to get you going?” Mary Oliver would have been 90 today. Her immortal wisdom on the measure of a life well lived: www.themarginalian.org/2015/02/09/m...
themarginalian.org
Mary Oliver on the Measure of a Life Well Lived and How to Magnify Your Aliveness
“Do you need a prod? Do you need a little darkness to get you going?”
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Holly Bik @hollybik.bsky.social · 09/09/2025
Phew!!! Thank goodness we have a 2025 GRFP announcement!
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eLife @elife.bsky.social · 07/09/2025
Reconstructing long-range axons from dense brain images is tough. This study introduces a novel method that separates axon identification from global statistical rules, showing big improvements over existing tools for mapping neuronal projections. buff.ly/OBKr9cM
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Cameron Thrash @jcamthrash.bsky.social · 25/08/2025
Redox conduction facilitates direct interspecies electron transport in anaerobic methanotrophic consortia www.science.org/doi/full/10.... #jcampubs
science.org
Redox conduction facilitates direct interspecies electron transport in anaerobic methanotrophic consortia
Methane-consuming microbial partners use redox conductors to pass electrons.
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Nicholas Bellono @nbellono.bsky.social · 04/09/2025
Octopuses sense environmental microbiomes to drive predatory and parental behaviors. Artwork by Lily Soucy. #evolution #sensation #microbiome @cellpress.bsky.social
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Thiago Carvalho @cyrilpedia.bsky.social · 01/09/2025
'Early on in her life, Esther defied societal conventions by pursuing biochemistry, against recommendations from her teachers who believed that a career in science was too difficult for women' academic.oup.com/genetics/adv...
academic.oup.com
Pioneer of bacterial genetics: the legacy of Esther Miriam Lederberg
Abstract. Esther Miriam Lederberg's brilliant scientific lifework, from the discovery of phage lambda, bacterial conjugation, and replica plating, provided
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Alex Loy @loyteam.bsky.social · 27/08/2025
📢 New paper in @nature.com Microbes rock 🎸🤘 with sulfide and iron minerals I am very excited to share our recent study, which describes a previously unknown microbial energy metabolism ⚡⚡⚡🦠🧫⚡⚡⚡ 🆕 Microbial iron oxide respiration coupled to sulfide oxidation - MISO www.nature.com/articles/s41...
nature.com
Microbial iron oxide respiration coupled to sulfide oxidation - Nature
Genomic and biochemical analyses of prokaryotic sulfur metabolism identify diverse microorganisms with the capacity to oxidize sulfide using iron(iii).
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Jana Huisman @jhuisman.bsky.social · 25/08/2025
Have you ever wondered what increasing environmental stress will do to microbial communities? In our new preprint, @martinadalbello.bsky.social, Jeff Gore and I studied the impact of salinity on microbial community composition and function. 🧵 (1/5) www.biorxiv.org/content/10.1...
biorxiv.org
Microbial communities demonstrate robustness in stressful environments due to predictable composition shifts
Environmental stress reduces species growth rates, but its impact on the function of microbial communities is less clear. Here, we experimentally demonstrate that increasing salinity stress shifts com...
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Çağrı Çevrim @cagricevrim.bsky.social · 11/08/2025
The final paper from my PhD project is out! Check it out for lots of live recordings of regenerating limbs. We show how we optimized long-term live imaging of regenerating crustacean limbs, up to 10 days, with high temporal resolution. #microscopymonday #regeneration #liveimaging
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Maria Popova @mariapopova.bsky.social · 18/08/2025
“To stare into the spiral top of a whelk or cone shell is to see the swirl of the Milky Way.” If you love the intersection of art and science, cultural history and conservation, this lovely read is for you: www.themarginalian.org/2022/07/21/s...
themarginalian.org
Seashells and the Spiral of Wonder at the Intersection of Art and Science
“Seashells were money before coin, jewelry before gems, art before canvas… To stare into the spiral top of a whelk or cone shell is to see the swirl of the Milky Way.”
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Adrià Sogues @adriasogues.bsky.social · 17/08/2025
Many spores from the Firmicutes group are decorated with hair-like structures. Since the 60s, they remained a mystery. @remaut-lab.bsky.social named these fibres ENdospore Appendages (ENAs). Using Cryo-ID, we report the identity, structure and function of F-ENA. www.nature.com/articles/s41...
nature.com
Cryo-EM identifies F-ENA of Bacillus thuringiensis as a widespread family of endospore appendages across Firmicutes - Nature Communications
B. thuringiensis spores contain uncharacterized protein filaments that extend from the surface of the exosporium. Here, the authors show that these filaments feature conserved β-barrel neck domains an...
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Dr Dr Oona Snoeyenbos-West @oonawest.bsky.social · 26/07/2025
Very pretty! Loved using similar and such nice looking gassing manifolds when I was a postdoc in the Lovley Lab, back in the day… But, here’s a secret: you can build one with parts from Amazon for way less 💵 that works just as well 👌🏻😉
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Ardem Patapoutian @ardemp.bskyverified.social · 04/07/2025
I was feeling a bit down this Fourth of July but was reminded: “Remember, it’s the birthday of our country and its ideals, not the government or any party.” Happy Independence Day! Cheers to working together for better times ahead 🥂
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Quanta Magazine @quantamagazine.org · 07/06/2025
“We should all be allowed entry into the mysteries of the living world, but people step away from it. They say they found science boring or dull, or it wasn’t their cup of tea, or they’re not good at it. But science is everything.”
quantamagazine.org
How Paradoxical Questions and Simple Wonder Lead to Great Science | Quanta Magazine
Manu Prakash works on the world’s most urgent problems and seemingly frivolous questions at the same time. They add up to a philosophy he calls “recreational biology.”
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Schuller Jan @schullerjm.bsky.social · 04/06/2025
Proud to present the lab's latest work. The full structure of the sodium translocating methyltransferase (Mtr) bound to a small oxygen-responsive small protein MtrI. Work by Tristan and together with @schmitzstreitslab.bsky.social . www.biorxiv.org/content/10.1101/2025.06.02.657420v1
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Nature Communications @natcomms.nature.com · 02/06/2025
Deep-sea #hydrothermal plumes support an array of microbial metabolisms, but the fate of organic C is unknown. Here, the authors used metabolic rate assays and metagenomic data to show that heterotrophic bacteria contribute significantly to C cycling in the deep #sea. www.nature.com/articles/s41...
nature.com
Elevated heterotrophic activity in Guaymas Basin hydrothermal plumes influences deep-sea carbon cycling - Nature Communications
Deep-sea hydrothermal plumes support an array of microbial metabolisms, but the fate of organic carbon in these systems is unknown. Here, the authors used metabolic rate assays and metagenomic data to...
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