Ivan Ferreira
@ptychodera.bsky.social
Postdoctoral researcher from 🇧🇷 jointly based at Stowers and the Hopkins Marine Station at Stanford | genomics, embryos, worms, regeneration | USP, Butantan and Oxford alumnus | my opinions
Reposted by Ivan Ferreira
So sad to hear the news - John truly was an inspiration to so many, and one of a kind.
www.cam.ac.uk/research/new...
www.cam.ac.uk/research/new...
Nobel Laureate Professor Sir John Gurdon dies aged 92
It is with great sadness that the University shares the news of the death of Professor Sir John Gurdon, founder of the Gurdon Institute.
www.cam.ac.uk
October 7, 2025 at 4:02 PM
So sad to hear the news - John truly was an inspiration to so many, and one of a kind.
www.cam.ac.uk/research/new...
www.cam.ac.uk/research/new...
Reposted by Ivan Ferreira
Early Career Opportunity
Mentorship & career development, access to world-class facilities, and a collaborative, supportive environment. We are particularly interested in researchers in Synthetic Dev. Biol. Mechanobiology and AI . #AcademicJobs #EarlyCareerResearcher #UCL #DevelopmentalBiology
Mentorship & career development, access to world-class facilities, and a collaborative, supportive environment. We are particularly interested in researchers in Synthetic Dev. Biol. Mechanobiology and AI . #AcademicJobs #EarlyCareerResearcher #UCL #DevelopmentalBiology
September 10, 2025 at 5:50 PM
Early Career Opportunity
Mentorship & career development, access to world-class facilities, and a collaborative, supportive environment. We are particularly interested in researchers in Synthetic Dev. Biol. Mechanobiology and AI . #AcademicJobs #EarlyCareerResearcher #UCL #DevelopmentalBiology
Mentorship & career development, access to world-class facilities, and a collaborative, supportive environment. We are particularly interested in researchers in Synthetic Dev. Biol. Mechanobiology and AI . #AcademicJobs #EarlyCareerResearcher #UCL #DevelopmentalBiology
Reposted by Ivan Ferreira
Epigenetic diagnosis of acute leukemia within two hours from sample receipt 🚀
Very happy to share the results of a great collaboration between @hovestadt.bsky.social and Griffin Labs, I co-led with @sbenfatto.bsky.social, published today in @natgenet.nature.com
📄 www.nature.com/articles/s41...
🧵1/n
Very happy to share the results of a great collaboration between @hovestadt.bsky.social and Griffin Labs, I co-led with @sbenfatto.bsky.social, published today in @natgenet.nature.com
📄 www.nature.com/articles/s41...
🧵1/n
Rapid epigenomic classification of acute leukemia - Nature Genetics
The authors present a molecular classification of acute leukemia using 5-methylcytosine signatures, together with a neural network-based classifier for clinical use.
www.nature.com
September 22, 2025 at 8:41 PM
Epigenetic diagnosis of acute leukemia within two hours from sample receipt 🚀
Very happy to share the results of a great collaboration between @hovestadt.bsky.social and Griffin Labs, I co-led with @sbenfatto.bsky.social, published today in @natgenet.nature.com
📄 www.nature.com/articles/s41...
🧵1/n
Very happy to share the results of a great collaboration between @hovestadt.bsky.social and Griffin Labs, I co-led with @sbenfatto.bsky.social, published today in @natgenet.nature.com
📄 www.nature.com/articles/s41...
🧵1/n
Reposted by Ivan Ferreira
Intense ivory poaching has led to the evolution of tusklessness in some African elephant populations, which might reduce poaching, but also happens to be an X-chromosome–linked dominant trait that is lethal to males #EleFunFactFriday #TheMoreYouKnow 💫 🧪 🐘
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Ivory poaching and the rapid evolution of tusklessness in African elephants
Intensive ivory poaching during a period of civil conflict caused the rapid evolution of tusklessness in an African elephant population.
www.science.org
September 19, 2025 at 5:51 PM
Intense ivory poaching has led to the evolution of tusklessness in some African elephant populations, which might reduce poaching, but also happens to be an X-chromosome–linked dominant trait that is lethal to males #EleFunFactFriday #TheMoreYouKnow 💫 🧪 🐘
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Ivan Ferreira
Have you heard of worm-like animals that create spirals on the seafloor, are more related to humans than actual worms, and produce super cute larvae? We’re obsessed with #AcornWorms!
Play #FathomVerse to find acorn worms and earn a special badge!
#AnimalsOfTheDeep @mbarinews.bsky.social
Play #FathomVerse to find acorn worms and earn a special badge!
#AnimalsOfTheDeep @mbarinews.bsky.social
September 11, 2025 at 8:49 PM
Have you heard of worm-like animals that create spirals on the seafloor, are more related to humans than actual worms, and produce super cute larvae? We’re obsessed with #AcornWorms!
Play #FathomVerse to find acorn worms and earn a special badge!
#AnimalsOfTheDeep @mbarinews.bsky.social
Play #FathomVerse to find acorn worms and earn a special badge!
#AnimalsOfTheDeep @mbarinews.bsky.social
Reposted by Ivan Ferreira
Hiding in plain sight - how close are we to mapping ALL 🧬enhancers🧬 in the genome?
Our new paper by Mannion et al. takes a systematic look at "hidden enhancers" and why they remain so hard to find. With @mosterwalder.bsky.social, @jlopezrios.bsky.social & many more
www.nature.com/articles/s41...
Our new paper by Mannion et al. takes a systematic look at "hidden enhancers" and why they remain so hard to find. With @mosterwalder.bsky.social, @jlopezrios.bsky.social & many more
www.nature.com/articles/s41...
August 8, 2025 at 6:10 PM
Hiding in plain sight - how close are we to mapping ALL 🧬enhancers🧬 in the genome?
Our new paper by Mannion et al. takes a systematic look at "hidden enhancers" and why they remain so hard to find. With @mosterwalder.bsky.social, @jlopezrios.bsky.social & many more
www.nature.com/articles/s41...
Our new paper by Mannion et al. takes a systematic look at "hidden enhancers" and why they remain so hard to find. With @mosterwalder.bsky.social, @jlopezrios.bsky.social & many more
www.nature.com/articles/s41...
Reposted by Ivan Ferreira
The original circos plot? From the 1947-1948 Carnegie Yearbook, the page prior to McClintock's Mutable Loci in Maize paper.
August 16, 2025 at 4:24 PM
The original circos plot? From the 1947-1948 Carnegie Yearbook, the page prior to McClintock's Mutable Loci in Maize paper.
Reposted by Ivan Ferreira
"Umiera" fields SEA PENS from Japan in full bloom! via @seacrop_ds at the other place Okinawa I think? #octocoralFriday
August 15, 2025 at 3:32 PM
"Umiera" fields SEA PENS from Japan in full bloom! via @seacrop_ds at the other place Okinawa I think? #octocoralFriday
Reposted by Ivan Ferreira
After nearly twenty years in the making, our attempt at understanding what makes the chaetognath phylum so unique has finally been published! www.nature.com/articles/s41...
with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1
with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1
The genomic origin of the unique chaetognath body plan - Nature
Genomic, single-cell transcriptomic and epigenetic analyses show that chaetognaths, following extensive gene loss in the gnathiferan lineage, relied on newly evolved genes and lineage-specific tandem ...
www.nature.com
August 13, 2025 at 4:38 PM
After nearly twenty years in the making, our attempt at understanding what makes the chaetognath phylum so unique has finally been published! www.nature.com/articles/s41...
with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1
with #LauraPiovani @dariagavr.bsky.social @alexdemendoza.bsky.social @chemamd.bsky.social and others /1
Reposted by Ivan Ferreira
One week left for early-'bird' (pun intended) registration...Join us @stowersinstitute.bsky.social @saukaspengler.bsky.social this fall for all the bird talk!! www.stowers.org/events/avian...
Research Organisms in Flight: Revealing the Roots of Vertebrate Form…
Organized by Tatjana Sauka-Spengler, Ph.D., and Ruth Williams, Ph.D.
www.stowers.org
July 25, 2025 at 8:28 AM
One week left for early-'bird' (pun intended) registration...Join us @stowersinstitute.bsky.social @saukaspengler.bsky.social this fall for all the bird talk!! www.stowers.org/events/avian...
Reposted by Ivan Ferreira
I'm excited to announce our new biorxiv preprint, wherein we investigate the evolution of the weirdest genetic locus I've ever seen! Behold the tgr genes of the social amoeba, which mediate self/non-self discrimination during facultative multicellularity 🐅 🧵 1/
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Hypermutable hotspot enables the rapid evolution of self/non-self recognition genes in Dictyostelium
Cells require highly polymorphic receptors to perform accurate self/non-self recognition. In the amoeba Dicytostelium discoideum, polymorphic TgrB1 & TgrC1 proteins are used to bind sister cells and e...
www.biorxiv.org
August 5, 2025 at 12:56 AM
I'm excited to announce our new biorxiv preprint, wherein we investigate the evolution of the weirdest genetic locus I've ever seen! Behold the tgr genes of the social amoeba, which mediate self/non-self discrimination during facultative multicellularity 🐅 🧵 1/
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Ivan Ferreira
This is the type of transgender mouse research that would get its money stripped away in the US... (jk jk) www.nature.com/articles/s41...
Maternal iron deficiency causes male-to-female sex reversal in mouse embryos - Nature
Iron-deficient conditions in pregnant mice can cause XY mouse embryos to develop female rather than male genitalia, revealing that iron metabolism has a role in determining male sex in mice.
www.nature.com
June 6, 2025 at 7:46 AM
This is the type of transgender mouse research that would get its money stripped away in the US... (jk jk) www.nature.com/articles/s41...
Reposted by Ivan Ferreira
Repeated damage from extreme heat over time seems to be a leading factor causing kidneys to fail
https://go.nature.com/3Ze2sri
https://go.nature.com/3Ze2sri
How a mysterious epidemic of kidney disease is killing thousands of young men
Nature - Repeated damage from extreme heat over time seems to be a leading factor causing kidneys to fail.
go.nature.com
June 6, 2025 at 8:13 AM
Repeated damage from extreme heat over time seems to be a leading factor causing kidneys to fail
https://go.nature.com/3Ze2sri
https://go.nature.com/3Ze2sri
Reposted by Ivan Ferreira
Our brittle star patterning study is now out at EvoDevo! 🥳
doi.org/10.1186/s132...
@lowelab.bsky.social
doi.org/10.1186/s132...
@lowelab.bsky.social
May 31, 2025 at 8:30 PM
Our brittle star patterning study is now out at EvoDevo! 🥳
doi.org/10.1186/s132...
@lowelab.bsky.social
doi.org/10.1186/s132...
@lowelab.bsky.social
Humpbacks crossing the ocean in front of Hopkins Marine Station
May 31, 2025 at 1:22 AM
Humpbacks crossing the ocean in front of Hopkins Marine Station
Reposted by Ivan Ferreira
This is amazing. Really interesting science made accessible to non experts. I recommend tuning in if you can, even for a little while
200+ scientists are in the middle of a marathon livestream to show why weather and climate science is so important and needs all our help to continue.
It is here: wclivestream.com/watch
It is here: wclivestream.com/watch
Redirecting to: https://www.youtube.com/@wclivestream/live
wclivestream.com
May 29, 2025 at 9:02 AM
This is amazing. Really interesting science made accessible to non experts. I recommend tuning in if you can, even for a little while
Reposted by Ivan Ferreira
Kelp forests on the coast of Maine are in decline owing to rapid ocean warming and are being replaced by turf algae, which alter the ecosystem’s chemistry, hindering the recovery of kelp forests.
Learn more in this week's issue of Science: scim.ag/4dwzl8j
Learn more in this week's issue of Science: scim.ag/4dwzl8j
May 22, 2025 at 6:05 PM
Kelp forests on the coast of Maine are in decline owing to rapid ocean warming and are being replaced by turf algae, which alter the ecosystem’s chemistry, hindering the recovery of kelp forests.
Learn more in this week's issue of Science: scim.ag/4dwzl8j
Learn more in this week's issue of Science: scim.ag/4dwzl8j
Reposted by Ivan Ferreira
This is a story about deep sea mining, beautifully told.
Mining something that takes millions of years to form. What could go wrong? Ehm…🛢️👀
Letting an industry with a terrible record on land do the same in the ocean where there’s way less oversight. What could go wrong? 🤔
Mining something that takes millions of years to form. What could go wrong? Ehm…🛢️👀
Letting an industry with a terrible record on land do the same in the ocean where there’s way less oversight. What could go wrong? 🤔
The promise and risks of deep-sea mining
A vast treasure of critical minerals lies on the ocean floor. Should they be extracted to help fight climate change?
www.reuters.com
November 15, 2023 at 12:41 PM
This is a story about deep sea mining, beautifully told.
Mining something that takes millions of years to form. What could go wrong? Ehm…🛢️👀
Letting an industry with a terrible record on land do the same in the ocean where there’s way less oversight. What could go wrong? 🤔
Mining something that takes millions of years to form. What could go wrong? Ehm…🛢️👀
Letting an industry with a terrible record on land do the same in the ocean where there’s way less oversight. What could go wrong? 🤔
Reposted by Ivan Ferreira
The cauliflower jelly is so named because it has a million microscopic mouths tucked inside giant frilly lips that, collectively, look like a cauliflower. It uses this madness of mouths to filter microscopic food from the water. It also has a knobby top, but it's function is a scientific mystery.
April 22, 2025 at 7:53 PM
The cauliflower jelly is so named because it has a million microscopic mouths tucked inside giant frilly lips that, collectively, look like a cauliflower. It uses this madness of mouths to filter microscopic food from the water. It also has a knobby top, but it's function is a scientific mystery.
Reposted by Ivan Ferreira
Thousands of by-the-wind sailors (Velella velella) washed up on the beach in Monterey!
April 19, 2025 at 10:54 PM
Thousands of by-the-wind sailors (Velella velella) washed up on the beach in Monterey!
Reposted by Ivan Ferreira
The life of each of us began when a sperm and an egg came together. But what happens at a molecular level?
Our latest work in Cell led by @vdeneke.bsky.social & Andreas Blaha reveals a conserved fertilization complex that bridges sperm and egg in vertebrates! (1/11)
www.cell.com/cell/fulltex...
Our latest work in Cell led by @vdeneke.bsky.social & Andreas Blaha reveals a conserved fertilization complex that bridges sperm and egg in vertebrates! (1/11)
www.cell.com/cell/fulltex...
December 13, 2024 at 7:43 PM
The life of each of us began when a sperm and an egg came together. But what happens at a molecular level?
Our latest work in Cell led by @vdeneke.bsky.social & Andreas Blaha reveals a conserved fertilization complex that bridges sperm and egg in vertebrates! (1/11)
www.cell.com/cell/fulltex...
Our latest work in Cell led by @vdeneke.bsky.social & Andreas Blaha reveals a conserved fertilization complex that bridges sperm and egg in vertebrates! (1/11)
www.cell.com/cell/fulltex...
Reposted by Ivan Ferreira
Dr. Fauci is being honored by the American academy of arts and science, with the Award for Excellence in Public Policy and Public Affairs 🎉🎉 Congratulations!
April 17, 2025 at 10:14 PM
Dr. Fauci is being honored by the American academy of arts and science, with the Award for Excellence in Public Policy and Public Affairs 🎉🎉 Congratulations!
Zebrafish peeps - whats the best whole-organism hatchling or larval single cell atlas out there? Is there a summarized/meta cell one available?
There is the Trapnell lab one, but those millions of cells make cross-species comparison inefficient
@mads100tist.bsky.social @zebrafishrock.bsky.social
There is the Trapnell lab one, but those millions of cells make cross-species comparison inefficient
@mads100tist.bsky.social @zebrafishrock.bsky.social
April 17, 2025 at 10:18 PM
Zebrafish peeps - whats the best whole-organism hatchling or larval single cell atlas out there? Is there a summarized/meta cell one available?
There is the Trapnell lab one, but those millions of cells make cross-species comparison inefficient
@mads100tist.bsky.social @zebrafishrock.bsky.social
There is the Trapnell lab one, but those millions of cells make cross-species comparison inefficient
@mads100tist.bsky.social @zebrafishrock.bsky.social
Reposted by Ivan Ferreira
Birdwatching from my desk at Hopkins Marine Station (instead of working on my paper's revisions 🥹 🥲)
#DoomscrollingBreak
#DoomscrollingBreak
April 16, 2025 at 10:57 PM
Birdwatching from my desk at Hopkins Marine Station (instead of working on my paper's revisions 🥹 🥲)
#DoomscrollingBreak
#DoomscrollingBreak
Reposted by Ivan Ferreira
Read the accompanying News & Views commentary from Gareth Williams 👇 www.nature.com/articles/s41...
April 16, 2025 at 4:18 PM
Read the accompanying News & Views commentary from Gareth Williams 👇 www.nature.com/articles/s41...