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Posts by Geoff Faulkner

PREPRINT ALERT🚨➡️Genetics influencing #epigenetics: Flanking DNA sequences influence #DNAmethylation maintenance 🧬

It’s been a minute because I needed a media break 🧘🏻‍♂️, but I couldn’t resist popping back for this: We just dropped a new #bioRxiv preprint 😃🤞🏻

BTW I’m looking for (academic) jobs

1 week ago 6 3 0 0

Flanking DNA sequences determine DNA methylation maintenance in proliferation, cancer and aging www.biorxiv.org/content/10.64898/2026.04...

1 week ago 2 1 0 1

Love Drosophila genetics — this journal club was a great way to share that enthusiasm and pay tribute to the pioneers of transposons regulation 🪰 How classical genetics uncovered key determinants of TE silencing #transposon @igred.fr
@igred.fr
👇👇

1 week ago 25 13 0 0

I have a question for ONT users: I want to sequence only four unique loci (5-10kb), but in several, multiplexed samples. Is this a feasible application for adaptive sequencing? If you want more details about the experimental set up, I'd be happy to talk about it in the DMs

2 weeks ago 9 3 8 0

If you shear the input DNA to 15kb or so you should get a 40x genomes per flow cell, although the multiplexed libraries might reduce that. By the time you mess around with the adaptive sequencing or Cas9 enrichment it'd probably be similar price, plus you'd get the rest of the genome.

2 weeks ago 3 1 1 0
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Events for February 2026 06-07 July 2026 | Munich, GermanyDNA Replication and Its Impact on Genome and Chromatin MaintenanceWe are RepliFate, a European Training Doctoral Network dedicated to understanding how DNA replication...

We go live!!!

Join us Munich July5-7th to hear exciting research on #Replication by leaders in the field

AND !! registration is FREE 🥳 (but mandatory) - we hope to see many in Munich 🍺 @helmholtzmunich.bsky.social

@replifate.bsky.social @epicrossborders.bsky.social

replifate.eu/event/meetin...

2 months ago 32 28 1 1
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Up to $1.4 billion in medical research remains unused under government cap Researchers say securing funding has become increasingly tough, with many left with no choice but to spend a disproportionate amount of time applying for grants.

More than 60% of Australian medical researchers left active research roles between 2019 & 2024 because they could not make ends meet - while my costings from the PBO suggest the govt could more than double annual spending from the MRFF without any effect on its base level of funding.

1 month ago 145 54 5 4
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Accessory subunits of PRC2 mimic H3K27me3 to restrict the spread of Polycomb domains Some proteins mimic the repressive mark H3K27me3, but the physiological relevance of this phenomenon was unclear. Agius et al. show that the PRC2 subunits JARID2 and PALI1 mimic H3K27me3 to antagonize...

1/ 🧵 In our new paper, we show that JARID2 and PALI1 mimic H3K27me3 to antagonise PRC2. www.cell.com/molecular-ce...

1 month ago 59 25 1 2
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Loss of SETDB1-mediated H3K9me3 in human neural progenitor cells leads to transcriptional activation of L1 retrotransposons Abstract. Heterochromatin is characterized by an inaccessibility to the transcriptional machinery and is associated with the histone mark H3K9me3. However,

New paper from my lab out in NAR. We found that young L1 elements are controlled by SETDB1 and H3K9me3 in human neural progenitor cells via a mechanism independent of HUSH and TRIM28/KZNFs.

academic.oup.com/nar/article/...

2 months ago 30 15 1 1

Interesting preprint from Moran lab showing an alternate L1 endonuclease activity

www.biorxiv.org/content/10.6...

2 months ago 1 0 0 0
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DOT1L provides transcriptional memory through PRC1.1 antagonism - Nature Cell Biology Neville, Ferguson et al. show that non-canonical Polycomb repressive complex 1.1-mediated gene silencing is antagonized by DOT1L and is required for the therapeutic efficacy of Menin and DOT1L inhibit...

www.nature.com/articles/s41...

happy i could be a part of this paper from the Gilan lab out now. Along with many other things, it provides strong evidence of chromatin memory for gene activation, and suggests that DOT1L is the missing link balancing the fast and slow arms of the MLL/Polycomb axis

2 months ago 22 7 1 0

New preprint from the lab! We dig into the regulatory roles of TEs in the mouse placenta, with some surprising findings. Led by the awesome @smamante.bsky.social. Particular kudos to him for navigating the many twists and turns of the project.

2 months ago 44 22 4 1
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Nature retracts paper for data manipulation by Ph.D. student Nature has retracted a paper after an investigation at a U.K. institution found the first author — then a doctoral student — manipulated data.  The paper, which looked at the sensitivity of lu…

Nature has retracted a paper after an investigation at a U.K. institution found the first author — then a doctoral student — manipulated data.

3 months ago 12 5 1 3
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Crick Spinout raises $32.5 million to progress immunotherapies targeting ‘Dark Antigens’ Enara Bio has announced $32.5 million in Series B financing to advance its pipeline of TCR-based immunotherapies against novel Dark Antigen targets for solid tumours.

Crick spinout Enara Bio, co-founded by group leader George Kassiotis, has raised $32.5 million to progress immunotherapies that target ‘Dark Antigens’, cancer-specific targets derived from genetic material that’s inactive in healthy cells

www.crick.ac.uk/news/2024-10...

1 year ago 4 2 1 0

Very happy that this part of my postdoc work is now out as a preprint!! Our findings reveal a new mechanism by which retroviral pandemics may have shaped primate brain evolution 🧬🐒🧠 This was a true team effort! w/ @ofeliakarlsson.bsky.social @raquelgarza.bsky.social @jakobssonlab.bsky.social #TEsky

4 months ago 14 7 0 0
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Project Assistant The Department of Medical and Translational Biology at the Faculty of Medicine is now seeking a project assistant for a research project related to human brain aging. The position is full-time and lim

📣We are looking for a Project Assistant to join my group at the Wallenberg Center for Molecular Medicine at Umeå University. Join us if you are interested in transposable elements, epigenetics and human brain aging. 🧠🧬 Dont hesitate to reach out with any questions! 📣
umu.varbi.com/en/what:job/...

4 months ago 8 10 0 0
Dynamic and Ongoing De Novo L1 Retrotransposition Contributes to Genome Plasticity and Intrapatient Heterogeneity in Ovarian Cancer Abstract. L1 retrotransposons are the only protein-coding active transposable elements in the human genome. While typically silenced in normal cells, they are highly expressed in many human epithelial...

Very excited to share my Phd/early post-doc work, out now in Cancer Research! Using multiomic data from multi-site tumors from ovarian cancer patients, we show that the tumors continue to acquire LINE-1 insertions after metastatic spread and find determinants of LINE-1 permissivity in this disease.

5 months ago 6 4 0 0
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Half the Funding. Half the Future. - AAMRI The Medical Research Future Fund (MRFF) was designed to deliver $1 billion each year in new, lifesaving funding for medical research. We know through financial modelling that the full amount can be re...

The Medical Research Future Fund (MRFF) funds medical research in Australia. Only half the funds have been released. If you're an Australian and able to vote please use the form below to email your local MP to release the full amount of the MRFF
aamri.org.au/mrff/

5 months ago 7 7 0 0

Ha ha yes that is true. Here it is the same but a city/country divide on usage. And don't forget morning or afternoon tea actually means a snack with actual tea being optional!

5 months ago 1 0 1 0
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Generating long deletions across the genome with pooled paired prime editing screens Engineered deletions are a powerful probe for studying genome architecture, function, and regulation. Yet, the lack of effective methods to create them in large numbers and at multi-kilobase scale has...

New 🧬✂️ pre-print! We show that paired prime editing can efficiently generate large deletions — even >1 Mb — with high precision and at scale. We use this to perform the first pooled prime deletion screen across the human genome.

🔗 biorxiv.org/content/10.1...

A short thread (by Juliane Weller)👇

5 months ago 44 20 3 2
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Auto-inhibition of PRC2 by the broadly expressed long isoform of AEBP2 | The EMBO Journal imageimageAEBP2 is an accessory subunit of the PRC2 complex previously implicated both in promoting and antagonizing Polycomb repressive activity. This study reveals that its alternative isoforms, AEB...

1/ It's long been assumed that AEBP2 recruit PRC2 to chromatin. Now, we show that AEBP2 usually does the exact opposite:
The only isoform of AEBP2 that is expressed in most cell types and tissues inhibits the chromatin-binding activity of PRC2. www.embopress.org/doi/full/10....

5 months ago 19 5 2 0

Congrats Vivien !

5 months ago 1 0 1 0
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For obvious reasons, I've become fascinated with retrotransposons. So we ( @alexwhiteley.bsky.social and I) wrote an article now out in Neuron @cellpress.bsky.social on how we think retrotransposons influence brain function and health! kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...

6 months ago 65 15 2 2
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We are recuiting two new Associate Professors here in Oxford Biochemistry. Come join us! Reach out to me if you have any questions. Please repost! tinyurl.com/mr3m7bd3

6 months ago 77 97 0 1
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We're now recruiting early career group leaders at the Crick to lead ambitious research programmes and explore bold scientific questions.

Hear our Director, Edith Heard, explain why the Crick is a unique place for curiosity-driven research.

Apply now ➡️ www.crick.ac.uk/careers-stud...

6 months ago 134 111 1 18
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Deep Intronic SVA_E Insertion Identified as the Most Common Pathogenic Variant Associated With Canavan Disease | Neurology Genetics Background and ObjectivesCanavan disease (CD) is a neurodegenerative disorder in which biallelic pathogenic variants in ASPA result in spongiform degeneration of the cerebral white matter, leading to ...

Another neurodegenerative disease caused by an SVA insertion. Not intron retention as seen in XPD, but aberrant splicing.

6 months ago 7 3 1 0

Very interesting! It seems like there's a lot of these pathogenic SVAs out there that have been overlooked for various reasons.

6 months ago 1 0 0 0

Congrats Marco!

7 months ago 1 0 1 0

Our study on the role of LTR5HS and SVAs in regulation of human neural crest migration is now published as peer-reviewed paper on @molsystbiol.org!
Congrats to first author brilliant postdoc Laura Deelen, and all the authors involved! @imperialsci.bsky.social
www.embopress.org/doi/full/10....

7 months ago 44 16 1 0
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Reawakening retrotransposons: immune modulation in normal and malignant hematopoiesis Retrotransposons are mobile repetitive elements that constitute around 43% of the human genome. Normally silenced through epigenetic mechanisms, retrotransposons can become reactivated in response to ...

Our new review is out in Trends in Cancer. We had fund writing this :) We discuss the roles of retrotransposons in immune modulation in normal and malignant
hematopoiesis. www.cell.com/trends/cance...

7 months ago 49 22 5 0