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Posts by Dan Jeffries

SMBE2026 Symposium 9 | New frontiers in sex evolution: evolutionary patterns and innovations

SMBE2026 Symposium 9 | New frontiers in sex evolution: evolutionary patterns and innovations

SMBE2026 Symposium 9 | New frontiers in sex evolution: evolutionary patterns and innovations

πŸ“¨ Abstract submission
smbe2026.org/abstracts

πŸ“‹ Programme details
smbe2026.org/programme

#SMBE2026

4 months ago 14 6 1 1

Have you done any Kmer spectra analyses on the short read data Dan? That might give some clues as to what’s going on.

7 months ago 0 0 1 0

Let me invite you to some cool posters this upcoming poster session at #ESEB2025
P02.034 - Sam Ebdon on faster X meeting whacky reproduction in globular springtails
P02.201 - @jamesimcc.bsky.social on genome evolution of Sedges
P02.049 - and myself about evolution of dipteran karyotypes

8 months ago 5 2 0 0

Re-upping this thread on PGE in mealybugs because the results are finally published in Molecular Ecology:
onlinelibrary.wiley.com/doi/10.1111/...

10 months ago 2 1 0 1

Interested to read a perspective by >160 reproductive biologists? The new Tree of Sex white paper is out! Led by
@danjeffries.bsky.social πŸ‘

11 months ago 23 12 0 0

We now have a starter pack for the Tree of Sex consortium! Interested in reproduction (not just sex) in eukaryotes? Get involved!

Many thanks to @ajmongue.bsky.social for putting this together!

1 year ago 5 0 0 0
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Homepage | European Alternatives We help you find European alternatives for digital service and products, like cloud services and SaaS products.

Fellow Europeans, it's time to move away from using American technology and software. Using European and open source alternatives makes us more sovereign and safe, and reduces the influence of Trump-supporting technology oligarchy.

Here's a good guide for finding European alternatives.

1 year ago 172 74 3 9
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Yes, polygenic sex determination is a thing! The process of sexual development in animals is modulated by a variety of mechanisms. Some species respond to environmental cues, while, in others, sex determination is thought to be controlled by a s...

If you're interested in the evolution of sex determination, check out this opinion piece from Tom Kocher, @tonygamble.bsky.social , @behrenskristen.bsky.social , Will Gammerdinger, and me. We argue that genetic variation in sex determination is probably more prevalent that most people think.

1 year ago 47 25 1 0

There are a lot of new people here, so I've set up a starter pack on Mating Systems, including sexual selection and conflict, sex differences and determination. Let me know if you want to be added! go.bsky.app/QXrYoQY

1 year ago 62 29 26 1

Genetics Starter Pack 2
Some accounts I can’t believe I missed the first time, self-nominees, and recent arrivals. If I still missed you, I’m probably sorry. Maybe you can post starter pack 3.
go.bsky.app/NvYujq4

1 year ago 50 29 12 3
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Genomics, evolution, and more starter pack!

Help build community with this starter pack.

This list is currently incomplete. Want to be included? Reply and I will remedy that!
go.bsky.app/JjvzkWU

1 year ago 351 167 224 10

Would love to be added, thanks πŸ‘

scholar.google.com/citations?us...

1 year ago 0 0 1 0

Would love to be added. Thanks for putting it together πŸ‘

1 year ago 0 0 0 0

Yeh good point. TEs not slowing on Ys might be due to the lower gene density. Most will probably insert into other repeats. So reduced selection against new TEs in degenerated Ys could explain why there’s no slow down(?). No idea why they don’t colonise mt though, maybe mechanistic explanation?

2 years ago 1 0 1 0

+1 for this answer! Y’s lose dosage insensitive genes rapidly after recomb loss. Degeneration slows a lot as the gene content reduces to those genes which can’t be lost. So all about strength of purifying selection for me

2 years ago 2 0 1 0
Elon Musk answers to the Foundation Drive "Wikipedia is not for sale" asking "Have you ever wondered why the Wikimedia Foundation wants so much money? [...] So, what's the money for?"

Elon Musk answers to the Foundation Drive "Wikipedia is not for sale" asking "Have you ever wondered why the Wikimedia Foundation wants so much money? [...] So, what's the money for?"

Hi, I'm Jaime and I've been working for 8 years for the Wikimedia Foundation. The following are personal views and do not represent in any way the position of the Foundation (I don't and cannot speak on behalf of it). However, you may have seen this question by Mr. Musk and I wanted to respond A 🧡:

2 years ago 3281 1692 68 215
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β€˜The Onion’ Stands With Israel Because It Seems Like You Get In Less Trouble For That The past week has shown humanity at its worst: A horrific terrorist attack left at least 1,300 Israelis dead, among them peace activists and even innocent children. The fates of many more kidnapped ...

Let us be clear: This is a fraught moment, and one that has polarized not only Americans but people all over the world. It demands incredible sensitivity and strict adherence to journalistic standards of objectivity, and simply put, that is something we aren’t willing to do.

2 years ago 3825 1120 45 87
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Our Dept is hiring two TT faculty positions. Very broad search that has been delineated into two positions. I'm on both committees, happy to answer questions.

Cell/Molecular/Neuro/Computational: marian.peopleadmin.com/postings/3194
Genetics/Plant/Development: marian.peopleadmin.com/postings/3193

2 years ago 1 3 0 0