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Detmer Sipkema

@detmersipkema.bsky.social
521 followers 296 following 260 posts

marine microbiologist @Wageningen University, evolution of symbiosis, sponges! aquaculture, marine natural products Professor at the Laboratory of Microbiology Find me in Wageningen, Groningen or below sea level microbialifeaquatic.wordpress.com

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Reposted by Detmer Sipkema
ISME - International Society for Microbial Ecology @isme-microbes.bsky.social · 01/10/2026
🌍 Looking to take your microbial ecology research abroad? MSc/PhD students and postdocs are invited to apply for the ISME Scholar Mobility Fund to support international research, training and collaboration. 🦠 isme-microbes.org/public/profi... 📅 Apply by 21 October 2026 #MicrobialEcology
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Microbes.Info @microbesinfo.bsky.social · 29/09/2026
🦠🧬 Ancient #DNA reveals that #bacteria acquired 3genes for #Chemosynthesis hundreds of millions of years ago, offering clues to how #microbes evolved to thrive without #sunlight. #Bacteria #Evolution #Biogeochemistry #Microsky via @sciencex.bsky.social phys.org/news/2026-09...
phys.org
DNA reveals chemosynthesis genes in bacteria living on coral reef fish gills
Chemosynthetic bacteria have been documented in various marine environments and in association with invertebrate hosts such as annelid worms and mollusks, but their presence in fish appears to be a…
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Raoul Beunen @raoulbeunen.bsky.social · 28/09/2026
Verschuivende kaders bij het beoordelen van beleid zorgen voor voorzichtig positieve beoordelingen. Maar hoe effectief zijn de voorgestelde stikstofmaatregelen nu echt en voldoen ze wel aan het wettelijk minimum? www.naturetoday.com/intl/nl/natu...
naturetoday.com
Nature Today | Het shifting beleidsbaseline-syndroom
Er klinken voorzichtig positieve geluiden over de stikstofvoorstellen van het kabinet Jetten, maar wie de inhoud bekijkt, ziet opvallend veel overeenkomsten met eerdere gestrande voorstellen. De gebre...
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Nico Schuck @nicoschuck.bsky.social · 21/09/2026
2023: 8,039 proposals 2024: 10,360 proposals 2025: 17,066 proposals 2026: 21,627 proposals Something's gotta give
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EAG @eageo.bsky.social · 24/09/2026
Meet the EAG Reactions speakers: Emil De Borger (NIOZ) & Caroline Slomp (Radboud Uni.) will share their work on how growing pressures from human activity are reshaping coastal #biogeochemistry. 📅 Fri 2 Oct, 15:00 CEST 📍 Webinar followed by informal discussions Register for free: buff.ly/jCXm7gs
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Rosemary Mosco @rosemarymosco.com · 22/09/2026
Happy mushroom season!
A comic titled "Types of mushrooms" with 12 mushroom species. A wrinkly-looking morel is labeled "creepy but tasty". A brownish deadly galerina is labeled "boring but deadly". A witch's butter on a branch is labeled "jiggles if you poke it". A large puffball is labeled "egg". A creepy red-dripping bleeding tooth fungus is labeled "deeply disconcerting". A fly agaric with a green treefrog sitting under it is labeled "frog umbrella". A black chanterelle is labeled "chalice for forbidden elixers". Three straight-stemmed entolomas are labeled "haha, nipples". A bright purple viscid violet cort is labeled "purple is nice". A birch polypore sticking out of a birch trunk is labeled "tree nose". A complex yellow-tpped coral fungus is labeled "cursed citadel where dwells a fairy queen". A Ravenel's stinkhorn is pixellated at the top for your safety, and labeled "NSFW".
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Detmer Sipkema @detmersipkema.bsky.social · 22/09/2026
Records are to be broken; the fire amoeba is the new eukaryotic high T record holder
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Bas Vermond @basvermond.bsky.social · 22/09/2026
Opvallende verdeling van pfas in Nederlands drinkwater. www.nu.nl/binnenland/6...
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Myrthe Hilkens @myrthehilkens.bsky.social · 21/09/2026
Als je dit niet zag aankomen, heb je echt zitten fluimen. En wanneer dringt het nou eens door dat een samenleving die op grote schaal racisme toestaat, ook de deur naar discriminatie van andere minderheden opengooit. Het is werkelijk waar een basisles. Basisschool-niveautje.
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Wokil Bam @wokilbam21.bsky.social · 20/09/2026
Easy to understand El Niño. What Is El Niño & Why Is It So Powerful 🌡️🤯 Super El Niño 🌊 Source: Geoglobel_tales #elnino #superelnino #pacificocean #geography #maps
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Detmer Sipkema @detmersipkema.bsky.social · 19/09/2026
bacteria never stop surprising
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Cameron Thrash @jcamthrash.bsky.social · 18/09/2026
These bizarre, much-coveted microbes are revealing the origins of complex life www.nature.com/articles/d41...
nature.com
These bizarre, much-coveted microbes are revealing the origins of complex life
Researchers are racing to culture a menagerie of exotic organisms and finding lots of surprises along the way.
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Cameron Thrash @jcamthrash.bsky.social · 18/09/2026
Cross-feeding enables robust coexistence between four bacterial species www.pnas.org/doi/abs/10.1... #jcampubs
pnas.org
Cross-feeding enables robust coexistence between four bacterial species | PNAS
Resource supply is generally considered a dominant driver of microbial diversity. Here, using a four-species bacterial consortium, we asked whether...
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Nicolas Hénin @nicolashenin.net · 17/09/2026
Nice campaign by the Norwegian Consumer Council about the declining lifespan of products. Enjoy!
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Vaughn Cooper @vscooper.micropopbio.org · 16/09/2026
Authors!🚨 While you scramble for scarce $ 🤔 “Springer Nature reports revenue growth of 6.2%..and adjusted operating profit growth of 7.7%. They reported even more stunning submission growth of 30% and published article growth of 13%.” Publishing in society journals helps YOU not them👇🏻. Pass it on.
static.klipy.com
Man Lying on a Pile of Money
ALT: Man Lying on a Pile of Money
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Detmer Sipkema @detmersipkema.bsky.social · 16/09/2026
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Detmer Sipkema @detmersipkema.bsky.social · 15/09/2026
Very cool paper by Bettina Glasl et al on branched-chain amino acid use by amonia oxidizers in marine sponges
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Woods Hole Oceanographic Institution @whoi.edu · 14/09/2026
📣 Calling all post-docs and recent PhDs! 🧑‍🔬 We’re currently seeking applicants with background in math, engineering, economics, policy, and physical and biological sciences for 18-month appointments with a WHOI advisor. 📲 Find out more and apply by Oct. 15: go.whoi.edu/pdscholarship
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Zack Labe @zacklabe.com · 14/09/2026
Warming isn’t just confined to the surface, but extends deep into the ocean as well. The impacts of this rapid change are vast, affecting everything from the base of the marine food chain to the global economy, while also reshaping our physical climate system. www.climatecentral.org/climate-brie...
Graphic from Climate Central showing the impacts of ocean warming on shifting habitats, impacting fisheries, boosting hurricanes, to bleaching coral. The graphic is from https://www.climatecentral.org/climate-matters/rapid-ocean-warming-2025.
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Paco Cardenas @paccardenas.bsky.social · 09/09/2026
The tropical reef #sponge #Rhabdastrella is beautiful, but classified in the wrong family 😕 We correct this using morphology 🧽, molecular data 🧬and unique sterols🧪 🤩 @biodiversa.eu @uu.se @ucriverside.bsky.social
doi.org
Morphological, molecular, and chemical characters support the transfer of the tropical demosponge genus Rhabdastrella to the family Geodiidae
Abstract. Rhabdastrella is a subtropical/tropical demosponge genus holding 18 species distributed predominantly in the Indo-Pacific region. Rhabdastrella i
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Detmer Sipkema @detmersipkema.bsky.social · 08/09/2026
What a great opportunity!
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Ciaran Kelly @ciarankelly.bsky.social · 08/09/2026
Our new preprint is out! 🍄 Decoupled evolution of antimicrobial repertoires in lichen-forming fungi We compared many lichen-forming fungal genomes to ask how different photobiont associations relate to their antimicrobial repertoires.
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Detmer Sipkema @detmersipkema.bsky.social · 07/09/2026
En als aan box3 sleutelen te ingewikkeld is voor de belastingdienst, dan kan heel simpel de hypotheekrente worden afgebouwd/gestopt toch?
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Santiago Gassó @sangasso.bsky.social · 04/09/2026
🧪🛰️🌍🌊 In addition to the influence on large scale meteorology , #ElNino also impacts marine biology. science.nasa.gov/earth/earth-...
science.nasa.gov
El Niño Alters Marine Life in the Pacific - NASA Science
Satellite measurements of chlorophyll at the sea surface signal shifts in the ocean’s nutrient supplies in mid-2026.
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Anthony Speca | Aspen Ecology @aspenecology.com · 05/09/2026
Collemopsidium pelvetiae: extraordinary 3-part #lichen involving #fungus, #cyanobacterium and #seaweed! Vanishingly few records in Britain. I suspect it's not quite so rare: I found it on 3 of 6 beaches searched on summer holiday in Scotland. Grows only on channelled wrack (Pelvetia canaliculata).
Collemopsidium pelvetiae : Scotland : VC97 West Inverness-shire : NM6589 Traigh : July 2026 : On frond of channelled wrack (Pelvetia canaliculata)
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Detmer Sipkema @detmersipkema.bsky.social · 04/09/2026
when the alternative gets established
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Javier del Campo @fonamental.bsky.social · 01/09/2026
Coral bleaching looks like a reef-scale catastrophe. But it starts as a breakdown between single cells. Published in @microbiomej.bsky.social, led by @ambonacolta.bsky.social we watched it at that scale for the first time: the first single-cell transcriptomics of a bleaching coral 🪸 #CoralReefs
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Detmer Sipkema @detmersipkema.bsky.social · 31/08/2026
nos.nl/artikel/2629... Dat geldt in het algemeen voor onderwijs en onderzoek... eerst kost het geld en dan levert het wat op.
nos.nl
Internationale studenten kosten geld, maar leveren uiteindelijk meer op
Studenten die na hun afstuderen in Nederland blijven wonen en werken, compenseren het geld dat de overheid tijdens hun studie aan hen uitgeeft gemiddeld ruimschoots.
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Detmer Sipkema @detmersipkema.bsky.social · 28/08/2026
I think labskills are ready for revaluation as they are not easily replaceble by AI.
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SILVA @arb-silva.bsky.social · 26/08/2026
📢 We are excited to announce that the new SILVA 144 Release is now live! See more details here: www.arb-silva.de/news/item/si...
arb-silva.de
SILVA Release 144 is here
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Detmer Sipkema @detmersipkema.bsky.social · 26/08/2026
"Stop paying predatory publishers of academic journals—A policy proposal to restore scientific integrity and transparency" Indeed and to stop predatory publishers from cashing public funds
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Detmer Sipkema @detmersipkema.bsky.social · 25/08/2026
Goed nieuws uit Pekela. Bewonderenswaardig.
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Ákos T Kovács @evolvedbiofilm.bsky.social · 23/08/2026
Bacterial biosynthetic gene clusters Editorial by @evodivmet.bsky.social on the 16 articles published in the thematic issue in Essays in Biochemistry portlandpress.com/essaysbioche...
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Retraction Watch @retractionwatch.com · 21/08/2026
"We estimate that $15.08 billion (in 2025 USD) was spent globally on APCs between 2019 and 2025. Adjusted for inflation, annual spending quadrupled from $0.9 billion in 2019 to $3.7 billion in 2025, with >85% concentrated among a few large publishers."
arxiv.org
Estimating global article processing charges paid to 14 publishers for open access between 2019 and 2025
This study presents estimates of the global expenditure on article processing charges (APCs) paid to 14 publishers for open access (OA) between 2019 and 2025. APCs are charged for publishing in fully ...
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Detmer Sipkema @detmersipkema.bsky.social · 20/08/2026
Ja, voor ons betekent dat nu "lekker water" en later in het jaar waarschijnlijk harde buien, maar voor het zeebodemleven is het een killer, in de Noordzee en ook in de Zeeuwse delta.
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Seth Bordenstein @symbionticism.bsky.social · 17/08/2026
Tour-de-force compilation that uses the foundations of marine and holobiont biology to reveal the autonomy and reciprocal interaction of systems on different levels. It reveals the often inseparability of marine environment and biotic factors @memartino.bsky.social & Co. doi.org/10.32942/X23...
doi.org
Marine holobionts: a model arena for host–microbe biology, from ecosystem function to biotechnology
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Karthik Anantharaman @karthik-a.bsky.social · 17/08/2026
Our latest review paper on deep sea viruses is now live in @annualreviews.bsky.social! This comprehensive review brings together why viruses are essential players not just in ecology, but in evolution and planetary-scale biogeochemistry. www.annualreviews.org/content/jour...
annualreviews.org
Decoding the Deep: The Ecology, Biogeography, and Evolution of Deep-Sea Viruses
Viruses dominate the deep-ocean biosphere (>200-m depth) yet remain profoundly understudied. As the most abundant biological entities on Earth, they govern the geochemistry, evolution, and ecology ...
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Nature Portfolio @natureportfolio.nature.com · 17/08/2026
Salty water flowing through Antarctica’s Blood Falls contains a distinct community of marine-specific microorganisms, providing evidence that the brine system beneath the glacier has a marine origin, according to a paper in Nature Geoscience. go.nature.com/3S6Csxw ⚒️🌎🧪
This is figure 1, which shows sample locations.
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Mike Jetten @msmjetten.bsky.social · 17/08/2026
Genes from the deep: Evolution’s untapped biotechnology www.sciencedirect.com/science/arti...
sciencedirect.com
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Nicole Dubilier @nicoledubilier.bsky.social · 13/08/2026
Hiding in plain sight: Animals eat the natural bioplastic PHA We discovered that many animals can break down PHA. And many of these enzymes had been sitting unnoticed in genome databases. www.nature.com/articles/s41...
nature.com
Animal degradation of microbial storage polyhydroxyalkanoates - Nature Ecology & Evolution
This study shows that the degradation of microbial storage polyhydroxyalkanoates is not just restricted to microorganisms by finding that some animals also have the enzymes required to break down thes...
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Detmer Sipkema @detmersipkema.bsky.social · 10/08/2026
A light read for the evening
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Evgenii Protasov @evgenii-protasov.bsky.social · 09/08/2026
Unveiling the Taxonomic Diversity and Unprecedented Biosynthetic Treasure of the Phylum Myxococcota #microbiology #taxonomy #NaturalProducts #MicroSky doi.org/10.1002/advs...
doi.org
Unveiling the Taxonomic Diversity and Unprecedented Biosynthetic Treasure of the Phylum <i>Myxococcota</i>
Natural products remain vital sources of therapeutics, and the phylum Myxococcota constitutes an especially rich reservoir for them. Based on decades of microbiological efforts, we present 154 new My...
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Mike Jetten @msmjetten.bsky.social · 07/08/2026
Climate change alters biogeochemical cycles in oxygen-depleted and dead zones link.springer.com/article/10.1...
link.springer.com
Climate change alters biogeochemical cycles in oxygen-depleted and dead zones - Communications Earth & Environment
Marine oxygen deficient and dead zones are economically and ecologically important regions with unique impacts on marine nutrient cycling and biogeochemistry. Climatic impact-drivers expected to affec...
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Bart Pander @bartpander.bsky.social · 06/08/2026
www.smithsonianmag.com/science-natu...
smithsonianmag.com
A New Study Points to Two Origins of Life on Earth by Tracing Early Chemical Reactions in Single-Celled Organisms
The work challenges the assumption that all life descended from one free-living cell. Instead, it suggests that two microbial lineages, the bacteria and archaea, evolved independently from a primordia...
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Detmer Sipkema @detmersipkema.bsky.social · 06/08/2026
De lasten komen zeker voor de lusten met het koloniseren van de ruimte.
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BejaLabTechnion @bejalab.bsky.social · 06/08/2026
Siderophore production by the lichen fungus Xanthoria parietina supports its algal symbiont www.nature.com/articles/s41...
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Asha @ashatenbroeke.bsky.social · 04/08/2026
“I want you to act as you would in a crisis. I want you to act as if the house is on fire. Because it is.” - Greta Thunberg
Foto van de bosbrand in Limburg. De bomen zijn een zwart silhouet tegen de rode gloed van het vuur. Middenonder zijn er vlammen. Rechtsonder twee brandweerlieden.
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Marnix Medema @marnixmedema.bsky.social · 04/08/2026
New postdoc opportunity in our team! Topic is computational analysis of (meta)genomic data to study evolution of plant-microbiome interactions. Part of the AEGIS consortium (aegisearth.bio/en). Apply here: www.wur.nl/en/vacancy/p... Please RT!
wur.nl
Postdoc on computational (meta)genomic analysis
Climate change is one of the greatest challenges for global food security, requiring new approaches to understand and harness the natural diversity that enables plants and their associated microbiomes...
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Cameron Thrash @jcamthrash.bsky.social · 03/08/2026
Habitat-specific patterns of horizontal gene transfer revealed by metagenomics across aquatic and terrestrial ecosystems www.sciencedirect.com/science/arti... #jcampubs
sciencedirect.com
Habitat-specific patterns of horizontal gene transfer revealed by metagenomics across aquatic and terrestrial ecosystems
Horizontal gene transfer (HGT) is a major driver of microbial adaptation and evolution, yet how habitat type and anthropogenic pressures shape communi…
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Nature Reviews Microbiology @natrevmicro.nature.com · 03/08/2026
New online! Within-host gene transfer drives tobramycin resistance
dlvr.it
Within-host gene transfer drives tobramycin resistance
Nature Reviews Microbiology, Published online: 03 August 2026; doi:10.1038/s41579-026-01355-2In a recent study, Karash and colleagues provide evidence for a resistance mechanism in which plasmid-mediated antibiotic resistance genes are horizontally transferred from transiently infecting bacteria to antibiotic-sensitive pathogens residing in patients’ lungs.
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