John Greally
@greally.bsky.social
📤 1819
📥 635
📝 372
Using genomic information to improve medicine
pinned post!
My book on Epigenetics: History, Molecules and Diseases
www.amazon.com/Epigenetics-...
#EpigeneticsBook
#Epigenetics
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Epigenetics: History, Molecules, and Diseases
Buy Epigenetics: History, Molecules, and Diseases on Amazon.com ✓ FREE SHIPPING on qualified orders
https://www.amazon.com/Epigenetics-Molecules-Diseases-John-Greally/dp/1621825434/ref=zg_bsnr_g_13535_d_sccl_6/132-1184684-9140409?psc=1
about 1 month ago
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Interesting, from
@garvaninstitute.bsky.social
. "We identify putative common regulatory variants for 83% of all 21,404 genes tested and cumulative rare variant signals for 47% of genes...about half of the effects are observed only in one or a few cell types"
www.medrxiv.org/content/10.1...
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Impact of Rare and Common Genetic Variation on Cell Type-Specific Gene Expression
Understanding the genetic basis of gene expression can shed light on the regulatory mechanisms underlying complex traits and diseases. Single cell-resolved measures of RNA levels and single-cell expre...
https://www.medrxiv.org/content/10.1101/2025.03.20.25324352v2
about 21 hours ago
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Irish culture. No apologies.
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about 21 hours ago
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When I read the history of Waddington, I realized that, in using the epigenetic landscape model, this geology dropout student may have been trolling the field of biology!
www.amazon.com/Epigenetics-...
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3 days ago
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Relatable
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4 days ago
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reposted by
John Greally
Carl Zimmer
6 days ago
On the event of James Watson's death, I highly recommend this 2023 commentary from
@matthewcobb.bsky.social
and Nathaniel Comfort with crucial new insights into the discovery of the double helix. (And also check out Cobb's brand new biography of Francis Crick)
www.nature.com/articles/d41...
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What Rosalind Franklin truly contributed to the discovery of DNA’s structure
Franklin was no victim in how the DNA double helix was solved. An overlooked letter and an unpublished news article, both written in 1953, reveal that she was an equal player.
https://www.nature.com/articles/d41586-023-01313-5
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He made a massive impact. Respect.
6 days ago
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Hot take — could this be a possible clue as to why
@zohrankmamdani.bsky.social
did so well in the
#NYC
election yesterday?
6 days ago
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reposted by
John Greally
Oded Rechavi
7 days ago
IT'S HAPPENING! 💥 I'm psyched to launch the collaboration between
@qedscience.bsky.social
&
@openrxiv.bsky.social
@biorxivpreprint.bsky.social
! Preprint + q.e.d = your science is out there, and anyone can appreciate it. Let's care about making discoveries, and not on “getting published” (1/3) 👇
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People cheering in the streets in the East Village
#NYC
right now.
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8 days ago
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reposted by
John Greally
Dr Abeba Birhane
14 days ago
📣 I am hiring a postdoc!
aial.ie/hiring/postd...
applications from suitable candidates that are passionate about investigating the use of genAI in public service operations with the aim of keeping governments transparent and accountable are welcome pls share with your networks
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‘Exododus’ is an exodus of dodos. Not going to happen for many reasons. Happy Election Day, New Yorkers
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9 days ago
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Pumpkin carvers in
#NYC
don’t mess around
12 days ago
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Really concerned for Jamaica, this looks like a really horrible situation, only a year after the Southwest of the island took the brunt of another damaging hurricane
www.nytimes.com/live/2025/10...
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Hurricane Melissa Nears Jamaica as ‘Catastrophic’ Storm
https://www.nytimes.com/live/2025/10/27/weather/tropical-storm-melissa-hurricane
17 days ago
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The figures from this book are all freely available through
@figshare.com
, hopefully helpful for presentations and teaching:
figshare.com/projects/Epi...
Please let me know if you find any inaccuracies and I'll fix them. I've already updated one of the figures.
#EpigeneticsBook
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20 days ago
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Amazing job opportunity at the
@institutimagine.bsky.social
, Head of the Genomics Platform. I am adding an English translation of the opportunity, but fluency in French is a (reasonable) requirement for the position. Application link below.
www.welcometothejungle.com/fr/companies...
21 days ago
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It's publication day, and Cold Spring Harbor Laboratory Press is running a promotion bundling the hard cover and e-book, and other offers:
cshlpress.com/default.tpl?...
#EpigeneticsBook
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23 days ago
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Watching
@wiringthebrain.bsky.social
and
@aylwyn-scally.bsky.social
go at it in this thread, staying polite and respectful but challenging each other, gives me the old
#ScienceYwitter
vibes. Good on you lads.
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26 days ago
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DNA methylation does not mediate ageing.
#epigenetics
28 days ago
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reposted by
John Greally
Oded Rechavi
29 days ago
Here's the link to the system, try it!
qedscience.com
@qedscience.bsky.social
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q.e.d Science
Critical Thinking AI for constructive criticism and science evaluation
https://qedscience.com
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Apparently Maynard has never done this with a book before, according to his owner. I feel honoured.
#EpigeneticsBook
@cshlpress.bsky.social
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about 1 month ago
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Looks like
@leandrosboukas.bsky.social
has been busy doing useful stuff. DNV detection in duos, very valuable in communities in which families are less stable.
www.medrxiv.org/content/10.1...
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Identification of de novo variants from parent-proband duos via long-read sequencing
While de novo variants cause many Mendelian disorders, their detection currently requires sequencing of the proband and both biological parents. This is not feasible when only one parent is available,...
https://www.medrxiv.org/content/10.1101/2025.02.24.25322424v2?ct=
about 1 month ago
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My book on Epigenetics: History, Molecules and Diseases
www.amazon.com/Epigenetics-...
#EpigeneticsBook
#Epigenetics
loading . . .
Epigenetics: History, Molecules, and Diseases
Buy Epigenetics: History, Molecules, and Diseases on Amazon.com ✓ FREE SHIPPING on qualified orders
https://www.amazon.com/Epigenetics-Molecules-Diseases-John-Greally/dp/1621825434/ref=zg_bsnr_g_13535_d_sccl_6/132-1184684-9140409?psc=1
about 1 month ago
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1/3 Start by getting highlighted in the
@theguardian.com
www.theguardian.com/society/2025...
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Scientists develop first ‘accurate blood test’ to detect chronic fatigue syndrome
Research could offer hope for ME patients – but some experts urge caution and say more studies needed
https://www.theguardian.com/society/2025/oct/08/scientists-say-they-have-first-blood-test-to-diagnose-chronic-fatigue-syndrome-me
about 1 month ago
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What an amazing assay. DAF-seq, the evolution of Fiber-seq from the Andrew Stergachis group, using the
@pacbio.bsky.social
platform:
www.biorxiv.org/content/10.1...
This will revolutionise our understanding of transcriptional regulation and functional non-coding variants.
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Deaminase-assisted single-molecule and single-cell chromatin fiber sequencing
Gene regulation is mediated by the co-occupancy of numerous proteins along individual chromatin fibers. However, our tools for deeply profiling how proteins co-occupy individual fibers, especially at ...
https://www.biorxiv.org/content/10.1101/2024.11.06.622310v1.full
about 1 month ago
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reposted by
John Greally
The American Academy of Pediatrics
about 2 months ago
Decades of research have proven that acetaminophen is safe for children when taken correctly and under the guidance of a child’s pediatrician. Learn more.
www.aap.org/en/news-room...
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Seven years. Over 400 pages. About 750 references. Over 40 figures. Finally I get to hold the finished book. It’s a big day.
#EpigeneticsBook
@cshlpress.bsky.social
about 2 months ago
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Public service announcement 1:
jamanetwork.com/journals/jam...
?
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Acetaminophen Use During Pregnancy and Children’s Risk of Autism, ADHD, and Intellectual Disability
This nationwide cohort study with sibling control analysis examines the association of acetaminophen use during pregnancy with children’s risk of autism, ADHD, and intellectual disability.
https://jamanetwork.com/journals/jama/fullarticle/2817406
about 2 months ago
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Unhelpful framing. Scientists know we always need to be improving what we do, but science is not “broken”. To suggest this justifies the misplaced destruction of US scientific institutions.
@nytimes.com
about 2 months ago
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1/ One of the questions I get asked about my book is what new they'll discover about
#epigenetics
. I hope there will be a lot to learn, but maybe one of the most intriguing stories will be about the contribution of John Pugh.
www.amazon.com/Epigenetics-...
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Epigenetics: History, Molecules, and Diseases
Buy Epigenetics: History, Molecules, and Diseases on Amazon.com ✓ FREE SHIPPING on qualified orders
https://www.amazon.com/Epigenetics-Molecules-Diseases-John-Greally/dp/1621825434/ref=zg_bsnr_g_13535_d_sccl_1/132-1184684-9140409?psc=1
about 2 months ago
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Superb piece of reporting. We should pay attention to the remedies in particular. You Might Have Already Fallen for MAHA’s Conspiracy Theories
www.nytimes.com/2025/09/09/o...
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Opinion | You Might Have Already Fallen for MAHA’s Conspiracy Theories
https://www.nytimes.com/2025/09/09/opinion/maha-health-wellness-influencers.html?smid=bs-share
2 months ago
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My multitalented colleague Mark Lawler performing at the best bar in
#NYC
, The Dead Rabbit, on the subject of James Joyce. What more could you ask for? Tickets for this September 22 show at the link below.
www.eventbrite.com/e/doctoring-...
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Doctoring James Joyce
Step into the Occasion Room for a one-off performance by Professor Mark Lawler.
https://www.eventbrite.com/e/doctoring-james-joyce-tickets-1650117368469
2 months ago
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Free sample downloads now available from Epigenetics: History, Molecules, and Diseases The Introduction and Index (probably a lot of familiar names) can now be browsed.
www.cshlpress.com/default.tpl?...
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https://www.cshlpress.com/default.tpl?action=full&cart=1756048788305739577&--eqskudatarq=1448&typ=ps&newtitle=Epigenetics%3A%20History%2C%20Molecules%2C%20and%20Diseases
3 months ago
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I’m in Dublin Friday afternoon this week, who’s around for a chat?
3 months ago
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reposted by
John Greally
Annie Waldman
3 months ago
NEW: In March, the Trump administration announced a massive purge of workers at the nation's health agencies. We asked them how many workers were laid off, pushed out or left. They refused to give us numbers. So we conducted our own analysis... 🧵
projects.propublica.org/federal-heal...
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reposted by
John Greally
Tuuli Lappalainen
3 months ago
A postdoc position in genomics available at our infrastructure in Uppsala, Sweden! An interesting R&D role a bit outside the traditional academic environment, great colleagues, work at the forefront of (long-read) sequencing.
www.uu.se/en/about-uu/...
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Postdoctoral position - Uppsala University
Postdoctoral position, Department of Immunology, Genetics and Pathology, Uppsala University
https://www.uu.se/en/about-uu/join-us/jobs-and-vacancies/job-details?query=838401
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Looks like my book is available for pre-order:
a.co/d/cTKIwBN
#EpigeneticsBook
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Amazon.com
https://a.co/d/cTKIwBN
3 months ago
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We discussed the physiological relevance
#epigenetics
3 months ago
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Plant
#epigenetics
colleagues, is this the consensus opinion? "...these methylation marks and epiallelic variations found in natural populations are mainly attributed to genetic variations in epigenetic machinery and transposable element (TE) insertions"
pmc.ncbi.nlm.nih.gov/articles/PMC...
3 months ago
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reposted by
John Greally
Kevin Mitchell
3 months ago
I’m very excited to announce that I’ve just signed a contract with
@princetonupress.bsky.social
for a new book, tentatively titled “The Genomic Code” 📖 😊
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My book Epigenetics: History, Molecules and Diseases will be published in exactly one month (September 2). Finalizing cover (looks great), probably going to printer this week. Nervous anticipation is the mood right now.
3 months ago
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reposted by
John Greally
Kevin Mitchell
4 months ago
Very pleased to say we have an Assistant Professor job opening (tenure track) in the Department of Genetics at Trinity College Dublin! 😀
www.jobs.ac.uk/job/DOA399/a...
- deadline is August 19th! Please repost!
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Fried fish on City Island in the Bronx, at the legendary Johnny’s Reef. I feel lucky to have such great people working here in my lab and with Sri Raj, and in the
@newyorkcrd.bsky.social
@einsteinmededu.bsky.social
3 months ago
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reposted by
John Greally
Nicky Whiffin
3 months ago
📣 We are recruiting! Please share!! Are you a bioinformatician / computational scientist who wants to apply your skills to understanding regulatory biology and improving rare disease diagnosis and treatment? 🧠 💻 🧬 🩺 We have two roles available 👇 🧵 1/4
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More of these studies coming out, showing that post-translational modifications of transcription factors adds another layer of complexity to transcriptional regulation.
www.nature.com/articles/s41...
Yes, our challenge just got bigger, but so did our potential insights.
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PPARγ acetylation governs mammary adenocarcinoma tumor growth via acetylated residues that determine DNA sequence-specific binding
Oncogene - PPARγ acetylation governs mammary adenocarcinoma tumor growth via acetylated residues that determine DNA sequence-specific binding
https://www.nature.com/articles/s41388-025-03492-z.epdf
4 months ago
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reposted by
John Greally
Kevin Mitchell
4 months ago
Reminder! Tenure track position in Genetics at Trinity College Dublin! Come join us, we're nice... 😊 Please repost! 🙏
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For what I consider the best inter-generational study to date
@jamiehackett.bsky.social
used over 2,000 mice.
www.nature.com/articles/s41...
While that's a lot of mice, it is better animal welfare to perform a definitive study than to perform hundreds of uninterpretable studies.
add a skeleton here at some point
4 months ago
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reposted by
John Greally
Research Ireland
4 months ago
Research Ireland, on behalf of
@deptoffhed.bsky.social
, have today launched Global Talent Ireland - a new initiative to attract exceptional mid-career and established researchers from across the globe to Ireland. For more information visit:
www.researchireland.ie/funding/glob...
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Global Talent Ireland - Research Ireland
Global Talent Ireland aims to attract exceptional mid-career and established researchers from across the globe to Ireland. Researchers funded through this programme are required to transfer their rese...
https://www.researchireland.ie/funding/global-talent-ireland/
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reposted by
John Greally
James Gahan
4 months ago
We are looking for new colleagues to come join us in Galway as group leaders (Junior and Senior). The Centre for Chromosome Biology is a great place and it is a good time to join. Please reach out if you want to chat about the opportunity!
www.nature.com/naturecareer...
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I fail to understand the value of using epigenetic aging clocks in any situation. They are being correlated with...stuff. Name the exposure/condition, someone will find a perturbation in one of today's many epigenetic aging clocks. More expensive and less meaningful than a fortune telling machine.
4 months ago
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Big news for science in NYC
www.jax.org/news-and-ins...
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Pioneering alliance between The Jackson Laboratory and The New York Stem Cell Foundation ushers in new era of predictive biomedical research
Uniting cutting-edge genomics, stem cell science, and AI-enabled data science to accelerate the discovery of life-changing therapies
https://www.jax.org/news-and-insights/2025/july/landmark-alliance
4 months ago
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