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Martin Johnsson

@mrtnj.bsky.social

739 followers 1.6K following 208 posts

PhD in genetics. Associate professor (docent) at the Swedish University of Agricultural Sciences (SLU), Uppsala. The Jar Jar Binks of animal genomics. Writes in English, svenska & gruntings. he/him

Posts Replies Media

Martin Johnsson @mrtnj.bsky.social · 21/09/2026

HBIO-kollegan Erik Pelve har testkört en kul evolutionsaktivitet med post-it-lappar i fikarummet. Den som vill se den in action får gå på Scifest Uppsala! Som gammal domesticeringsforskare gillade jag särskilt den här lappen.

Post-it-lapp där någon ritat en organism som har stora vingar och ett brett leende. På lappen bredvid står "Juvenil form. Extra gullig. Domesticering?"

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Martin Johnsson @mrtnj.bsky.social · 12/07/2026

Bluesky and/or the Elsevier website really dropped the ball by not showing fig 1 as preview. Zuidhof et al. 2014 doi.org/10.3382/ps.2... creativecommons.org/licenses/by-...

Pictures of chickens from three populations representing broilers from the 1950s, 70s and 2000s, side by side at different ages, illustrating the massive difference in body mass and growth.

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Martin Johnsson @mrtnj.bsky.social · 25/05/2026

Veterinary medical genetics. It's meiosis time again!

Colourful papers, scissors and tape, used as teaching materials for genetics.

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Martin Johnsson @mrtnj.bsky.social · 30/09/2025

Researcher day with the Beijer laboratories. Here: Elin Hernlund, my fellow Beijer researcher in the laboratory for animal science, talking about her models of shape and posture of domestic animals.

Elin Hernlund presenting in front of a slide that shows 3D models of a human, a horse, a dog and a cow.

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Martin Johnsson @mrtnj.bsky.social · 23/09/2025

Vice Chancellor Maria Knutson Wedel, SLU, opening the first "studium generale", a series of meetings on knowledge--I suppose--and reflection.

Maria Knutson Wedel talking in front of a audience of SLU colleagues and students.

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Martin Johnsson @mrtnj.bsky.social · 23/09/2025

Circuits and microsats on the whiteboard.

A whiteboard with DNA sequence of microsatellites and a circuit diagram, half erased, on top of each other.

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Martin Johnsson @mrtnj.bsky.social · 30/08/2025

Going home from Borlänge and Högskolan Dalarna after Priyanka Mehra's PhD defence--an exciting full day of theoretical genetics and computational modelling. du.diva-portal.org/smash/record...

Blue skies over Borlänge, and a hydroelectric dam.

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Martin Johnsson @mrtnj.bsky.social · 18/08/2025

I like this, and my only additional wish would be the Tübingen feature that a Wir sind Helden song starts playing when the time is up. #eseb2025

A slide that explains the "two minutes rule" that there are 2 minutes between talks to switch speakers.

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Martin Johnsson @mrtnj.bsky.social · 13/06/2025

Ida Hansson defending her PhD on social interactions and the scope for indirect genetic effects in dairy cattle at SLU. Right this moment, she is deep in discussion with the external review, Martin Lidauer from Luke, Finland.

Ida Hansson presenting her PhD thesis, standing in front of a projector screen at SLU, campus Ultuna.

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Martin Johnsson @mrtnj.bsky.social · 07/03/2025

PhD candidate Mohammed Sallam and external reviewer Christine Baes discussing the role of machine learning in trait recording for animal breeding.

Mohammd Sallam and Christine Baes discussing Sallam's thesis.

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Martin Johnsson @mrtnj.bsky.social · 07/03/2025

20 minutes to Sallam's PhD defence. www.slu.se/en/ew-calend...

Lecture room, Lennart Kennes sal at Ultuna campus, set up for PhD defence.

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Martin Johnsson @mrtnj.bsky.social · 14/02/2025

Mohammed Sallam's PhD thesis, "Digital and genetic tools to improve bones of laying hens", is public and nailed to the wall as tradition dictates. As an assistant supervisor, collaborator and laying hen bone enthusiast, I couldn't be happier. The defence is March 7. www.slu.se/en/ew-calend...

Sallam's thesis, with an analysed keel bone X ray image on the cover.

Sallam preparing to nail his thesis to the wall.

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Martin Johnsson @mrtnj.bsky.social · 19/10/2024

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Martin Johnsson @mrtnj.bsky.social · 26/09/2024

Maximum campus Ultuna.

Signs pointing to Audhumla and Dvalin, two lecture rooms at Ultuna campus.

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Martin Johnsson @mrtnj.bsky.social · 04/05/2024

Blue flowers (Anemome hepatica) by the road.

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Martin Johnsson @mrtnj.bsky.social · 15/02/2024

Enjoying a wide variety of talks about genomics of reproduction at the conference of the Centre for Reproductive Biology in Uppsala. Here: Carl-Johan Rubin on sex determination in flatfish.

Calle Rubin, standing in front of his title slide for a talk about sex determination in flatfish.

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Martin Johnsson @mrtnj.bsky.social · 28/01/2024

I got myself a book from the place with the space dragon.

The sign outside Science fiction-bokhandeln, book store in Stockholm: a dragon and a rocket

Cover of the game "The Extraordinary Adventures of Baron Munchausen" by James Wallis.

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Martin Johnsson @mrtnj.bsky.social · 05/01/2024

#GeneticistsPostingAboutPizza

Pizza with pumpkin, onion, and parsley just out of the oven.

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