Matthias Wietz

Arctic viruses follow the rhythm of the sea 🌊🦠

Just published in @natcomms.nature.com 🎯🙂 doi.org/10.1038/s414...

Press release: www.geomar.de/en/news/arti...

Great collaboration between @geomarkiel.bsky.social @awi.de @mpimarinemicrobio.bsky.social

— our HAUSGARTEN Observatory goes viral 🙃

Very excited to host the GRS Marine Microbes next year, which we are centering on three key themes: diversification, adaptation and resilience! Applications are now open - www.grc.org/marine-micro...

The call for our 2026 Postdoc Cohort is now open. We offer 4 full-time positions. Apply until August 24th. hifmb.de/jobs
Please spread the word.
#postdoc #jobsinscience #marinebiodiversity #antarctica
@awi.de @hillebr1.bsky.social @ibaums.bsky.social @thilogross.bsky.social @merenbey.bsky.social 🦑

Happy to contribute #eDNA sequences from our #Arctic FRAM Observatory to GRUMP, a microbial database covering the world ocean 🌊 many thanks @jedfuhrman.bsky.social & @jcmcnch.bsky.social for the invitation to join!

@awi.de @mpimarinemicrobio.bsky.social @chrbienhold.bsky.social

We have a new 3-year postdoc position in our group at the @hifmb.de to study plasmids and plasmids systems of the marine environment to survey their utility in microbial responses to environmental change.

Please see the official job ad here, and spread the word:

jobs.awi.de/Vacancies/20...

Excited about microbiomes and want to study them at the single-cell level? Join our team to pioneer research using microfluidics paired with automated timelapse microscopy. We're hiring motivated postdocs to push the boundaries of microbial ecology!

Apply now: apply.interfolio.com/165601

Very excited to announce that @mehrshmali.bsky.social and I will be chairing a symposium (S10) at ESEB25 this summer on 'eco-evolutionary dynamics driven by mobile genetic elements' (eseb2025.com/list-of-symp...)
🚨Abstract submissions are now open🚨

@mpimarinemicrobio.bsky.social @awi.de @icbm-uol.bsky.social @isme-microbes.bsky.social @hifmb.de

10,000 miles on #Polarstern: from Namibia across the Weddell Sea to the Falklands 🇦🇶

We deployed autonomous samplers and filtered 2,000L of seawater to study microbial seasonality and ecology, in a team of 100 lovely people.

Keen to join our science? PhD position open! bit.ly/phd-polar-mi...

Distinct horizontal gene transfer potential of extracellular vesicles versus viral-like particles in marine habitats - Nature Communications Biller et al. use long-read sequencing of fractionated ocean nanoparticles, showing that extracellular vesicles and virus-like particles contain distinct pools of genetic information and thus may diff...

Our latest on the genetic content carried within different populations of DNA-containing particles in the oceans! Vesicles and viruses likely play distinct roles in microbial horizontal gene transfer networks. Grateful to all collaborators
www.nature.com/articles/s41...
#MicroSky

Great thread on graduate positions in Austria and Germany. For more info on our graduate program see marmic.mpg.de/marmic2/. The deadline for this year's MSc program has passed, but PhD program doesn't have a deadline.

Don't miss out, October 22-25, 2025: International Symposium – Trends in Marine Host-Microbe Symbioses with an exciting lineup of speakers marinesymbioses.eu/invited-spea...; looking forward to insightful & inspiring discussions; registration: marinesymbioses.eu/register/ @uni-konstanz.de

Happy #PolarBearDay from a curious explorer 🐻‍❄️ in the central Arctic Ocean 🧊🚢

@awi.de @mpimarinemicrobio.bsky.social #Polarstern

Summer School on Quantitative Phage-Bacteria Dynamics Across Scales -> Application date: March 21, 2025. Open to MS + PhD students + postdocs

Application site: bit.ly/phageschool2...

New #PhD opportunity 🌊🧊 Join us to study the seasonality and ecology of microbiomes in the #Arctic and #Antarctic, combining 'omics and cultivation in a collaborative team. Please share and apply 🙂

career.mpi-bremen.de/jobposting/e...

#AWI @mpimarinemicrobio.bsky.social @icbm-uol.bsky.social

Our new study in @naturecomms.bsky.social showing the recurrent assembly of microbial modules over polar day and night, based on four years of autonomous sampling in the Arctic www.nature.com/articles/s41...

Fantastic teamwork by #AWI @mpimarinemicrobio.bsky.social @hhu.bsky.social & many others 🙂

Hi 🧊bsky
I'll be chairing the GRS on Polar Marine Science in Italy this March!
We still have 10 seats available & 5 days left to apply!
Join our ECR community to share your research and discuss the role of sea ice in ecosystem dynamics!

www.grc.org/polar-marine...
#polarresearch #marinescience

I just wanted to send a quick update and thank the 70+ people who applied for the upcoming #anvio workshop and ECR symposium in Oldenburg so far.

We are very encouraged with the geographical diversity, which has been one of our main concerns. The applications are open until January 10.

Hello Bluesky 👋 ...with some impressions from our North Pole expedition last year; studying the Arctic ecosystem from sea-ice 🧊 to seafloor 🐙 Exciting science and lovely people!

🎶 ...music by our Polarstern band, The Arcwatchers, recorded onboard 🙃 instagr.am/the.arcwatch...