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James Gagnon

@james-gagnon

I'm an associate professor @UofUBiology, Utah, USA gagnonlab.org | fish stuff in and out of the tank

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04.11.2024
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Latest posts by James Gagnon @james-gagnon

We use ZF4 if you need any protocols, shipping will probably be easier within europe though ...

06.03.2026 22:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I'm sorry for your (our) loss. His dept seminar here a few years ago was my favorite in a long time. He had a way with a story!

06.03.2026 22:17 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

yes it does.

22.02.2026 01:19 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

it's the duck emoji that really pushed this one over the top for me

20.02.2026 21:15 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

πŸ˜†

20.02.2026 18:14 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Signatures of sex ratio distortion in humans https://www.biorxiv.org/content/10.64898/2026.02.04.702084v1

08.02.2026 01:32 πŸ‘ 5 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

It gives me comfort that my weird science obsessions protect me from the algo. Like, sorry honey, you're gonna have to sort a whole bunch posts about hagfish slime before you figure out what brand of sweatpants I prefer.

04.02.2026 18:34 πŸ‘ 29 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

I’m recruiting new members to the Farrell Lab this summer. We will have space for 1 postdoc (since Abhinav is leaving to start his own lab at U Arizona!!) and 2 postbacs, since my current two will leave for PhD programs at the end of the summer. More details in thread:

29.01.2026 17:43 πŸ‘ 28 πŸ” 24 πŸ’¬ 1 πŸ“Œ 5

Congratulations Prof!!!

21.01.2026 16:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Is this the greatest thread in the history of science blue sky?

19.01.2026 20:15 πŸ‘ 6 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
Flexible use of a multi-purpose tool by a cow
Flexible use of a multi-purpose tool by a cow YouTube video by Antonio Jose Osuna MascarΓ³

She uses the bristled end of a deck brush on her back and hindquarters, using repeated place-and-pull motions. For more sensitive areas such as the belly flap, udder, and anal region, she switches to the stick end, using careful, repeated poke-and-lift movements. See video link: youtu.be/bAk4PFEuWKQ

19.01.2026 16:09 πŸ‘ 54 πŸ” 20 πŸ’¬ 3 πŸ“Œ 4
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Don't miss out. Apply to our 2026 Advanced Research Training Courses today!

15.01.2026 13:46 πŸ‘ 18 πŸ” 16 πŸ’¬ 1 πŸ“Œ 1

beautifully said, thanks for sharing

12.01.2026 01:46 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Defending PhD student, looking over their thesis: β€œIf I knew then what I know now, I could’ve done all of this in like 9 months.”

A thread about my favorite pioneering cave explorers and why I don’t think AI will ever β€œsolve” biology.

11.01.2026 21:27 πŸ‘ 89 πŸ” 31 πŸ’¬ 3 πŸ“Œ 9
Photograph and signature of Edward Roosen-Runge taken from an obituary.

Photograph and signature of Edward Roosen-Runge taken from an obituary.

Over the past weeks I have been reading the earliest papers on zebrafish development, and came to realize that in the β€œcanonized" version of zebrafish history we neglect some important people pre-Streisinger. I will try to correct here the record. Let’s start with Edward C. Roosen-Runge. (1/7)

02.01.2026 10:42 πŸ‘ 23 πŸ” 12 πŸ’¬ 1 πŸ“Œ 1

Happy Coelacanth Day!

22.12.2025 14:43 πŸ‘ 12 πŸ” 9 πŸ’¬ 0 πŸ“Œ 0
Preview
What sets the mutation rate of a cell type in an animal species? Germline mutation rates per generation are strikingly similar across animals, despite vast differences in life histories. Analogously, in at least one somatic cell type, mutation rates at the end of l...

Happy to highlight an essay I wrote together with @marcdemanuel.bsky.social,
@natanaels.bsky.social and Anastasia Stolyarova, trying to think through what sets the mutation rate of a cell type in an animal species: www.biorxiv.org/content/10.6... 1/n

22.12.2025 15:09 πŸ‘ 123 πŸ” 63 πŸ’¬ 2 πŸ“Œ 1

Oh wow. Thanks for sharing!

20.12.2025 07:06 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

She let me know that they recently received guidance that, ONLY for the January EI deadline (1/27/2026) and the February ESI deadline (2/3/2026), PIs can submit MIRAs even if their previous application (R35, R01, R15, R21, and R37) is still considered under review.

19.12.2025 19:17 πŸ‘ 28 πŸ” 23 πŸ’¬ 3 πŸ“Œ 0
A still picture from the 1961 documentary on zebrafish development by J.V. Durden showing a 1 dpf zebrafish embryo.

A still picture from the 1961 documentary on zebrafish development by J.V. Durden showing a 1 dpf zebrafish embryo.

I was today years old when I learned that there is a superb (freely available) documentary from 1961 on early zebrafish development by J.V. Durden. collection.nfb.ca/film/embryon... (1/2)

13.12.2025 11:48 πŸ‘ 28 πŸ” 12 πŸ’¬ 2 πŸ“Œ 1

My bad, I meant renewal

12.12.2025 15:56 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It me

12.12.2025 02:59 πŸ‘ 2 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

FYI - if you already have a pending MIRA application, you need the summary statement in hand by Jan 27th to hit this first FOA deadline.

11.12.2025 20:50 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

If I read this correctly, if your A0 or A1 is in a rescheduled panel due to shutdown, you cannot hit the January deadline ...

11.12.2025 20:46 πŸ‘ 2 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

Congratulations!!!

09.12.2025 22:28 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Neuro grad students! Applications for the 6th annual - Rising Stars in Neuroscience - due Jan 9!

Don’t miss this chance to present research, sharpen science communication skills and connect with peers & faculty. Plus you’ll get to experience stunning Utah!

medicine.utah.edu/neurobiology...

09.12.2025 18:52 πŸ‘ 10 πŸ” 15 πŸ’¬ 0 πŸ“Œ 2
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We have a new preprint on bioRxiv from postdoc Delai Huang and colleagues. It's not about peacocks. www.biorxiv.org/content/10.6...

09.12.2025 18:53 πŸ‘ 13 πŸ” 5 πŸ’¬ 2 πŸ“Œ 0
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MathJobs from the the American Mathematical Society Mathjobs is an automated job application system sponsored by the AMS.

I'm hiring a postdoc through Utah Math. Deadline Dec 15.

If you work in math/comp bio (SciML, stochastic modeling, single-cell data), please apply! Vibrant math bio community & unbeatable outdoors.

Mention me in your cover letter & reach out with any questions. www.mathjobs.org/jobs/list/27...

02.12.2025 19:23 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

it only takes one ...

04.12.2025 18:34 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Webinar Registration - Zoom

***Important***
BIO will host a Virtual Office Hour (VOH) on Thurs, Dec 18th, 2025, 1 - 2 pm ET.

In this VOH, we’ll be joined by leadership to outline updates to NSF’s review process & share news relevant to all areas of research funded by BIO.

Register here: nsf.zoomgov.com/webinar/regi...

04.12.2025 15:05 πŸ‘ 6 πŸ” 9 πŸ’¬ 1 πŸ“Œ 0