Tyler J. Carrier
@tylerjcarrier.bsky.social
📤 1340
📥 142
📝 136
Developmental and evolutionary ecologist studying marine invertebrates and their symbionts.
pinned post!
New paper entitled "Sea urchin eggs contain a plastid-derived structure that contributes to their development" is now out in
@plosbiology.org
! Here is a summary...
journals.plos.org/plosbiology/...
24 days ago
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Tyler J. Carrier
Ulisse Cardini
6 days ago
🪸 We're hiring a PhD student in microbial ecology of crustose coralline algae! Fully funded 3-year position jointly hosted at SZN Genova & MPI-MM Bremen, with fieldwork in Belize, Seychelles & Fiji. ⏰ Deadline: May 21, 2026
#PhD
#MarineScience
#Microbiology
#OpenPosition
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Open position: PhD scholarship in microbial ecology of coralline algae - Marine Symbiomes Research Group
We invite applications for a PhD student to work on the microbiomes of crustose coralline algae (CCA) across tropical mangrove–seagrass–reef corridors.
https://marinesymbiomes.eu/2026/04/27/open-position-phd-scholarship-in-microbial-ecology-of-coralline-algae/
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Jake Robinson
11 days ago
learning about the microbial dimension of human life appeared to strengthen people’s psychological relationship with the natural world. This matters because nature connectedness is associated with: - improved wellbeing - stronger pro-environmental behaviours 3/
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Mya Breitbart
11 days ago
Lots of people have reached out asking how they can support us after the devastating fire in the MSL building, the heart of
@cmarinescience.bsky.social
Here’s one way, a GoFundMe organized by our graduate students -
gofund.me/4373c6ff3
. Please share widely, and thanks for helping our community!
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Donate to USF Marine Science: Fire Recovery Support, organized by Bella Iannotta
On Saturday, May 2nd the University of South Florida Marine Science Lab (MSL)… Bella Iannotta needs your support for USF Marine Science: Fire Recovery Support
https://gofund.me/4373c6ff3
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Tyler J. Carrier
LuĂs M. Silva
12 days ago
What are the biggest open questions in
#microbiome
and
#symbiosis
research? At
#CSEE
, we’re running a symposium on disturbance, adaptation, and the parasitism–mutualism continuum—and we want to foster discussion around these questions. Share your questions (& this post) ↓
forms.gle/huhvTgZCWVrS...
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Big questions in symbiosis and microbiome research
As organizers of the upcoming CSEE symposium “Microbial symbiosis: disturbance, adaptation, and the parasitism–mutualism continuum”, we want this to be more than just a series of talks—we want it to s...
https://docs.google.com/forms/d/1n4BcitmPncyojDHaJsv3NfIEJkTOfzF-azTzI468TbU/edit?ts=69f2644a
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Tyler J. Carrier
Gordon and Betty Moore Foundation
16 days ago
New funding opportunity from the Symbiosis in Aquatic Systems Initiative. We’re inviting teams of two researchers to pursue ambitious, high-risk projects advancing aquatic symbiosis (marine + freshwater). Open globally. Details + how to apply: 
moore.org/SymbiosisRFP
#RFP
#AquaticSymbiosis
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Tyler J. Carrier
PLOS Biology
20 days ago
Development in the sea is tough and can end in starvation.
@tylerjcarrier.bsky.social
@utehentschel.bsky.social
&co show that
#SeaUrchin
eggs contain a
#plastid
-derived structure whose light-dependent activity influences metabolism,
#development
& survival
@plosbiology.org
đź§Ş
plos.io/4mOAxZh
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Tyler J. Carrier
Jillian Petersen
23 days ago
Carlotta KĂĽck from
@mpimarinemicrobio.bsky.social
showed host species-specific symbiont gene expression: One Caribbean beach, one symbiont, multiple host species, this symbiont may function differently depending on the host it associates with! In ISMEJ
@isme-microbes.bsky.social
tinyurl.com/p7abc25f
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Host species-specific gene expression by a widespread and flexible chemosynthetic symbiont
Abstract. Associations with microbial symbionts shape the ecology and evolution of almost all eukaryotes. One of their defining features is their specifici
https://tinyurl.com/p7abc25f
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Tyler J. Carrier
PLOS Biology
23 days ago
Eggs released in the environment are at risk from many threats.
@jillianlewis.bsky.social
&
@spencernyholm.bsky.social
explore how
#plastid
-derived
#carotenoid
crystals benefit larval survival & trans-oceanic dispersal in
#SeaUrchin
eggs đź§Ş Paper:
plos.io/4mOAxZh
Primer:
plos.io/4cPpBGr
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@jillianlewis.bsky.social
and
@spencernyholm.bsky.social
were also so very kind to write a Primer on our
@plosbiology.org
article:
journals.plos.org/plosbiology/...
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A mother’s gift: Provisioning of plastid-derived structures into eggs promotes invertebrate development and dispersal
Eggs released in the environment are at risk from many threats. This Primer discusses how plastid-like carotenoid crystals benefit larval survival and trans-oceanic dispersal in sea urchin eggs.
https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3003753
23 days ago
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The
@crc1182.bsky.social
and
@geomarkiel.bsky.social
were so very kind to put out a joint press release about our recent
@plosbiology.org
paper. Here is the one from the
@crc1182.bsky.social
:
www.uni-kiel.de/en/details/n...
add a skeleton here at some point
23 days ago
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New paper entitled "Sea urchin eggs contain a plastid-derived structure that contributes to their development" is now out in
@plosbiology.org
! Here is a summary...
journals.plos.org/plosbiology/...
24 days ago
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A truly magnificent piece! So happy for the author.
about 1 month ago
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Tyler J. Carrier
Nichole Broderick, PhD
about 2 months ago
Excited to announce our new journal from
@isme-microbes.bsky.social
ISME Host Microbe is live and now accepting submissions. Look forward to receiving your papers!
#Microsky
đź§« đź¦
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Frank Melzner
about 2 months ago
Come work with us in Vienna and along European coasts! We look for a creative Postdoc (4year contract) in Evolutionary Genomics to cooperate with physiologists, ecologists, see:
jobs.univie.ac.at/job/Postdoc-...
Please share!
@univie.ac.at
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Postdoc marine evolutionary genomics
Postdoc marine evolutionary genomics
https://jobs.univie.ac.at/job/Postdoc-marine-evolutionary-genomics/1374791233/
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Tyler J. Carrier
Michael Sars Centre
2 months ago
We have some exciting guests in the
@lionlchristiaen.bsky.social
lab facility ✨These beautiful E. esculentus sea urchins collected near Bergen will help guest researcher Antoine Rémond from the
@minclab.bsky.social
better understand cleavage in echinoderms 🥚
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Tyler J. Carrier
John Burns
3 months ago
Protist lovers: Please apply for a week of rhapsody! Learn by doing: MicroSEA (Microbial Sea Eukaryotes) course is a one-week, field-based summer school to train early-career researchers in the diversity, ecology, and single-cell biology of marine protists.
opbc.sciencesconf.org
#protistsonsky
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Tyler J. Carrier
GEOMAR Helmholtz Centre for Ocean Research Kiel
2 months ago
How diseases spread between oyster reefs 🦪🦠A new GEOMAR study, led by Dr Lara Schmittmann, marine biologist at GEOMAR, reveals which restoration sites are most at risk from pathogens carried by ocean currents. Read more:
www.geomar.de/en/news/arti...
📸 AWI, Emilie Grassl
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Open directorship for the MPI on Evolutionary Biology is Plön!
add a skeleton here at some point
3 months ago
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Tyler J. Carrier
3 months ago
Increasing evidence indicates that many planktonic organisms function as holobionts, whose ecological performance reflects interactions between the host and its microbiome.
academic.oup.com/plankt/artic...
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Cultured versus wild zooplankton and mixoplankton in experimental ecology: what we gain, what we lose and how to bridge the gap
ABSTRACT. Laboratory cultures are foundational to marine zooplankton and mixoplankton ecology because they enable controlled, replicated experiments, life-
https://academic.oup.com/plankt/article/48/2/fbag008/8494609
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Great to finally see this out! Our sponge friend Halichondria panicea’s genome is live! 🧽
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3 months ago
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Thomas Bosch and I have organized a symposium on the “Impacts of Microbiota on Animal and Plant Development” that will be part of the Euro EvoDevo meeting in Glasgow this summer. Please register through EED. Thanks to generous sponsors, we have some financial support for early-career scientists.
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10th European Society for Evolutionary Developmental Biology Meeting 2026
The European Society for Evolutionary Developmental Biology is delighted to welcome you to the 10th biennial meeting, to be held at the University of Glasgow from June 9th - 12th in 2026.
https://www.evodevoconference26.com/
3 months ago
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Nothing more beautiful than the larvae of marine invertebrates.
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4 months ago
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Tyler J. Carrier
Seth Bordenstein
5 months ago
Slow and symbiotic wins the long race. High performance at early ages is driven by intense, discipline-specific practice. Admirable, yet our systems can take more risks to support the creators and doers across disciplines. More heroes will be an outcome.
www.science.org/doi/10.1126/...
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Tyler J. Carrier
Dave Baltrus 🦦
5 months ago
Live thread of the NSF biology virtual office hour: đź§µ
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Seth Bordenstein
5 months ago
We stand on the shoulders of giants - in science and humanity.
youtu.be/DsvBKMkZgaA?...
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Inaugural Microbiome Medal Lecture | Thomas Bosch, Kiel University
YouTube video by One Health Microbiome Center at Penn State
https://youtu.be/DsvBKMkZgaA?si=lWcrsMkRtHnr8nw9
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Tyler J. Carrier
Ute Hentschel
5 months ago
The long awaited DAAD Master's Student Exchange Kick-Off meeting today with the University Tecnico Lisboa, Institute for Bioengineering and Biosciences was a full success. Thanks to Tina Keller-Costa, Rodrigo Costa, Kristina Bayer,
#DAAD
Deutscher Akademischer Austauschdienst.
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An incredibly deserved award, Thomas!! A true trailblazer!
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6 months ago
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Deeply unfortunate news for such a transformative class! I still refer to class slides and notes (some that are actively integrative into my lectures now) from many moons ago.
add a skeleton here at some point
6 months ago
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Tyler J. Carrier
Society for Developmental Biology
7 months ago
✴️Sea urchins have illuminated fertilization 🧫, early cleavage divisions 🔬, and gene regulation in embryonic patterning 🧬. A classic marine model that shaped our understanding of cell fate and axis formation. 📸 Image by Laurent Formery
#ModelMonday
#DevBio
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Tyler J. Carrier
Larval Biology Society
8 months ago
2026 International Larval Biology Symposium will be held in Woods Hole, Massachusetts on Sept 27 to Oct 1 2026, featuring plenaries from Craig Young, Mary Sewell, and Jeanette Wheeler! You can rock larval swag at Dexter Davis' Etsy shop (
Etsy.com/shop/NoDexerity
) that will support students!
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Tyler J. Carrier
Larval Biology Society
9 months ago
Say hello to our next set of members of the organizing committee for the Larval Biology Society! Get to know Shawn M. Arellano and Tyler Carrier!
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Research (art) under the constraints of our systems (academia, funding agencies, etc.). Stress can breed beauty, but time remains that magical, antagonistic trait.
8 months ago
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Tyler J. Carrier
Seth Bordenstein
8 months ago
🎙️JOB ANNOUNCEMENT! I am seeking a scientist to design, implement, support, analyze, and report on research in the molecular biology of insect endosymbionts. Come join us in the tips of the Appalachian mountains for meaningful challenges in symbiosis science.
psu.wd1.myworkdayjobs.com/PSU_Staff/jo...
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Research Technologist - Life Sciences Advanced Professional - Bordenstein Lab
APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, a...
https://psu.wd1.myworkdayjobs.com/PSU_Staff/job/Penn-State-University-Park/Research-Technologist---Life-Sciences-Advanced-Professional---Bordenstein-Lab_REQ_0000071475-2
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Tyler J. Carrier
Aileen Berasategui
8 months ago
🚨 Save the date! Thrilled to be co-organizing the next iteration of the
@embl.org
Symposium on the Cellular Mechanics of Symbiosis (đź“… March 17-20), w/
@floravincent.bsky.social
,
@hassansalem.bsky.social
& Tom Richards.
www.embl.org/about/info/c...
#EESSymbiosis
#Symbiosis
#SymbioSky
#MicroSky
đź¦
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The cellular mechanics of symbiosis: sensing friend from foe
https://www.embl.org/about/info/course-and-conference-office/events/ees26-03/#vf-tabs__section-overview
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Tyler J. Carrier
Schulenburg Lab Kiel
8 months ago
I am happy to announce publication of our new perspectives paper on applying evolutionary theory to host-microbiome evolution - new tricks for old dogs!
@bweek.bsky.social
@uni-kiel.de
@transevo.bsky.social
@crc1182.bsky.social
www.nature.com/articles/s41...
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Applying evolutionary theory to understand host–microbiome evolution - Nature Ecology & Evolution
This Perspective discusses how well-established theoretical models of evolution can be adapted to study and generate testable predictions about the evolutionary dynamics of host–microbiota association...
https://www.nature.com/articles/s41559-025-02846-w
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Tyler J. Carrier
Schulenburg Lab Kiel
8 months ago
We are welcoming applications for a full professorship on Molecular and Evolutionary Zoology at Kiel Univerdity, Northern Germany, with fantastic facilities and infrastructure!
@uni-kiel.de
@crc1182.bsky.social
@transevo.bsky.social
www.nature.com/naturecareer...
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W 3 professorship in Molecular and Evolutionary Zoology - Kiel, Schleswig-Holstein (DE) job with Christian-Albrechts-Universität zu Kiel | 12844416
Kiel University aims to attract more qualified women to professorship positions. The Institute of Zoology at the Faculty of Mathematics and Natural...
https://www.nature.com/naturecareers/job/12844416/w-3-professorship-in-molecular-and-evolutionary-zoology/?LinkSource=PremiumListing
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Tyler J. Carrier
Holly Bik
8 months ago
I still think about this 2018 “American Gut” study every time I go grocery shopping - eating MORE than 30 types of plants per week boosts diversity in your gut microbiome, and also reduces antibiotic resistance genes in your body
journals.asm.org/doi/epub/10....
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Class activity today was for students to calculate, as a group, what percent of the human holobiont is host. One student left saying, “damn, my world is shook.”
9 months ago
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Tyler J. Carrier
Frank Melzner
9 months ago
Doctoral position on genomic basis of Fucus (brown algal) local adaptation - join our exciting
#Fubluc
team! Fully funded for 3.5 years & we also consider candidates with strong molecular or bioinformatic skillls but no marine / algal experience, see
www.geomar.de/en/karriere/...
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Dr. Drew harvell
10 months ago
We are so proud of our sea star wasting work that came out today. This interactive article is very complete and includes beautiful videos. Unmasking the Sea Star Killer
www.biographic.com/unmasking-th...
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Unmasking the Sea Star Killer
After a decade of carnage, we finally know what’s devastating sea stars along North America’s West Coast. Does that mean scientists can save them?
https://www.biographic.com/unmasking-the-sea-star-killer/
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Tyler J. Carrier
STCmicrobeblog
10 months ago
two sentences from the abstract of a paper that resonate with us way more than you can imagine...
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From 1 genome for 15 years to 50+ hologenomes! Big moment in sponge evolutionary biology, and for understanding early animal evolution and host-microbe symbiosis!
add a skeleton here at some point
10 months ago
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The coast of Maine is so lovely; its vibe puts my soul at ease.
10 months ago
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Tyler J. Carrier
Pamela Ferretti
10 months ago
Our article on the challenges and opportunities in studying host-microbe symbioses is now published in Cell Host & Microbe!
@cp-cellhostmicrobe.bsky.social
www.sciencedirect.com/science/arti...
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Theory of host-microbe symbioses: Challenges and opportunities
Growing insight into microbial symbioses highlights the need to model these systems mathematically. We discuss three areas requiring theoretical advan…
https://www.sciencedirect.com/science/article/pii/S1931312825001568
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Tyler J. Carrier
Frank Melzner
11 months ago
Including close ups of aliens from inner space…
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Sarah Hird, PhD
11 months ago
Started a starter pack for the presenters and attendees of the 2025 Animal-Microbe Symbiosis Gordon Research Conference. Let me know if I should add (or remove) you!
go.bsky.app/Pnzz1R9
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Some sea urchins (Echinus esculentus) at the Roscoff Marine Station in Roscoff, France.
11 months ago
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Tyler J. Carrier
Ariana S Huffmyer
12 months ago
📢 New paper alert! How do corals fuel early development? We tracked physiological and -omic 🧬 changes across
#coral
🪸 development. We found that symbiotic interactions are contribute to nutritional demands and shape metabolic response in early life stages. Read the paper 👉
doi.org/10.1016/j.cu...
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Tyler J. Carrier
Science Magazine
12 months ago
Kelp forests on the coast of Maine are in decline owing to rapid ocean warming and are being replaced by turf algae, which alter the ecosystem’s chemistry, hindering the recovery of kelp forests. Learn more in this week's issue of Science:
scim.ag/4dwzl8j
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Woo! Go Kiel!
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12 months ago
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