Cheri Sirois
@cherisirois.bsky.social
Scientist of mostly invisible things. Editor at Cell (speaking only for myself here). 🗣️EN/ES 😷🦠🔬🧪🧬🌈✨ #immunosky #ProtectTransKids #ProtectTransAdults
Reposted by Cheri Sirois
Lab’s first paper is out!! We show the first structures of #Asgard #chromatin by #cryo-EM 🧬❄️
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
October 28, 2025 at 3:07 PM
Lab’s first paper is out!! We show the first structures of #Asgard #chromatin by #cryo-EM 🧬❄️
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
Reposted by Cheri Sirois
Scientists: have you been the target of an online harassment campaign, doxxing, or weaponized FOIA requests? I'd like to talk to you about steps you had to take to protect your digital security for an upcoming Nature story. (You can be anonymous if necessary.)
RTs appreciated.
RTs appreciated.
November 26, 2025 at 12:18 AM
Scientists: have you been the target of an online harassment campaign, doxxing, or weaponized FOIA requests? I'd like to talk to you about steps you had to take to protect your digital security for an upcoming Nature story. (You can be anonymous if necessary.)
RTs appreciated.
RTs appreciated.
Reposted by Cheri Sirois
We're hiring for tenure-track faculty! Please apply if you have interests in immune responses to microbes and/or cancer, immune regulation, microbial infections (bacteria, viruses, parasites, fungi), the microbiota, and/or interests that span these disciplines.
arizona.csod.com/ux/ats/caree...
arizona.csod.com/ux/ats/caree...
Assistant/Associate/Full Professor (T/TE)
Establish or continue a successful, extramurally funded research program that will advance knowledge in the broad areas of immunobiology, as defined a...
arizona.csod.com
November 24, 2025 at 8:02 PM
We're hiring for tenure-track faculty! Please apply if you have interests in immune responses to microbes and/or cancer, immune regulation, microbial infections (bacteria, viruses, parasites, fungi), the microbiota, and/or interests that span these disciplines.
arizona.csod.com/ux/ats/caree...
arizona.csod.com/ux/ats/caree...
If you’re a voter in New York state, you have an opportunity to help ensure local institutions remain worldwide leaders in biomedical research. See below, and follow NY-CURES!
📢 SIGN & SHARE THE PETITION! 📢
New York needs an Empire Biomedical Research Institute to create new statewide funding opportunities for scientists & physician-scientists so that patients and their families get the life-saving and life-changing new therapeutics they're hoping for ✏️ c.org/TDMy2H9JTW
New York needs an Empire Biomedical Research Institute to create new statewide funding opportunities for scientists & physician-scientists so that patients and their families get the life-saving and life-changing new therapeutics they're hoping for ✏️ c.org/TDMy2H9JTW
Sign the Petition
Support a New York State Biomedical Institute for a Healthier, More Affordable Future
c.org
November 24, 2025 at 6:14 PM
If you’re a voter in New York state, you have an opportunity to help ensure local institutions remain worldwide leaders in biomedical research. See below, and follow NY-CURES!
Both Mattie and Andie are so spot-on with this one! Loved this thought-provoking and entertaining masterpiece (even though I’m not usually a connoisseur of graphic novels). Beautiful hardcover is a fresh choice for holiday gifts…
thrilled and honored for SIMPLICITY to be on here. thank you NPR~
November 24, 2025 at 3:58 PM
Both Mattie and Andie are so spot-on with this one! Loved this thought-provoking and entertaining masterpiece (even though I’m not usually a connoisseur of graphic novels). Beautiful hardcover is a fresh choice for holiday gifts…
Reposted by Cheri Sirois
In agreement with my friend @kkjetelina.bsky.social who writes today: "I suggest the general public avoid the CDC website."
yourlocalepidemiologist.substack.com/p/cdc-false-...
www.wsj.com/health/healt...
yourlocalepidemiologist.substack.com/p/cdc-false-...
www.wsj.com/health/healt...
November 21, 2025 at 3:39 PM
In agreement with my friend @kkjetelina.bsky.social who writes today: "I suggest the general public avoid the CDC website."
yourlocalepidemiologist.substack.com/p/cdc-false-...
www.wsj.com/health/healt...
yourlocalepidemiologist.substack.com/p/cdc-false-...
www.wsj.com/health/healt...
Reposted by Cheri Sirois
"At this time, I suggest the general public avoid the CDC website." --epidemiologist @kkjetelina.bsky.social open.substack.com/pub/yourloca...
One of CDC’s final blows. And what it means for you.
Where to find trusted health information now?
open.substack.com
November 21, 2025 at 3:23 PM
"At this time, I suggest the general public avoid the CDC website." --epidemiologist @kkjetelina.bsky.social open.substack.com/pub/yourloca...
The ~velocity~ with which I found the link for the quiz to learn what antibiotic I am…! (moxifloxacin 🤩)
It’s World AMR Awareness Week, and this year I had the honor to re-imagine and doodle the antibiotics in the antibiotic personality quiz 😇🖍️
Thank u @brxad.bsky.social for this amazing and fun opportunity!
C’mon, take the quiz, it’s a #WAAW tradition 😉💊
#IDSky
quiz.tryinteract.com#/59e68e3a8ec...
Thank u @brxad.bsky.social for this amazing and fun opportunity!
C’mon, take the quiz, it’s a #WAAW tradition 😉💊
#IDSky
quiz.tryinteract.com#/59e68e3a8ec...
November 19, 2025 at 3:12 AM
The ~velocity~ with which I found the link for the quiz to learn what antibiotic I am…! (moxifloxacin 🤩)
Reposted by Cheri Sirois
A study by Dorothy P. Schafer, PhD, and Travis E. Faust, PhD, in Cell explains how cell types in the brain communicate in response to changes in sensory input to remodel synapses: direc.to/nJHH
Alzheimer’s and ALS patients have synaptic damage.
@travisfaust.bsky.social @cp-cell.bsky.social
Alzheimer’s and ALS patients have synaptic damage.
@travisfaust.bsky.social @cp-cell.bsky.social
UMass Chan scientists show how the non-neuronal brain cells communicate to coordinate rewiring of brain
A study by Dorothy P. Schafer, PhD, and Travis E. Faust, PhD, explains how two different cell types in the brain communicate in response to changes in sensory input.
direc.to
October 7, 2025 at 12:17 PM
A study by Dorothy P. Schafer, PhD, and Travis E. Faust, PhD, in Cell explains how cell types in the brain communicate in response to changes in sensory input to remodel synapses: direc.to/nJHH
Alzheimer’s and ALS patients have synaptic damage.
@travisfaust.bsky.social @cp-cell.bsky.social
Alzheimer’s and ALS patients have synaptic damage.
@travisfaust.bsky.social @cp-cell.bsky.social
Reposted by Cheri Sirois
Check out our new RAEFISH spatial transcriptomics technology published in Cell! This work represents the first time that transcripts from more than 20,000 genes were directly imaged in situ with any technology, and the first time numerous gRNAs were directly probed in an image-based CRISPR screen.
Now online! Sequencing-free whole-genome spatial transcriptomics at single-molecule resolution
Sequencing-free whole-genome spatial transcriptomics at single-molecule resolution
RAEFISH delivers whole-transcriptome (>20,000 genes) imaging at single-molecule resolution in cells and tissues and enables direct gRNA detection for high-content, image-based CRISPR screens.
dlvr.it
October 8, 2025 at 7:24 AM
Check out our new RAEFISH spatial transcriptomics technology published in Cell! This work represents the first time that transcripts from more than 20,000 genes were directly imaged in situ with any technology, and the first time numerous gRNAs were directly probed in an image-based CRISPR screen.
Reposted by Cheri Sirois
The editorial team at #Cell wishes heartfelt congratulations to the winners of the 2025 #NobelPrize in Physiology or Medicine, Drs. Mary Brunkow, Fred Ramsdell, & Shimon Sakaguchi!
View their related research published in Cell Press journals: spkl.io/6013AVK2P
@cherisirois.bsky.social
View their related research published in Cell Press journals: spkl.io/6013AVK2P
@cherisirois.bsky.social
October 6, 2025 at 6:49 PM
The editorial team at #Cell wishes heartfelt congratulations to the winners of the 2025 #NobelPrize in Physiology or Medicine, Drs. Mary Brunkow, Fred Ramsdell, & Shimon Sakaguchi!
View their related research published in Cell Press journals: spkl.io/6013AVK2P
@cherisirois.bsky.social
View their related research published in Cell Press journals: spkl.io/6013AVK2P
@cherisirois.bsky.social
If you are near Boston and you would like to get updated flu and COVID vaccines with no hassle, no required ID or insurance, check out these upcoming clinics. Vaccines are available to EVERYONE (except newborns) and they have some other vaccines available, too.
www.boston.gov/government/c...
www.boston.gov/government/c...
Free Vaccine Clinics in Boston
Everyone ages six months and older is encouraged to get the updated flu and COVID-19 vaccines. Pregnant parents, babies, and older adults should consult their health care professional about RSV vaccin...
www.boston.gov
September 25, 2025 at 12:27 PM
If you are near Boston and you would like to get updated flu and COVID vaccines with no hassle, no required ID or insurance, check out these upcoming clinics. Vaccines are available to EVERYONE (except newborns) and they have some other vaccines available, too.
www.boston.gov/government/c...
www.boston.gov/government/c...
Reposted by Cheri Sirois
To get clean air infrastructure everywhere, we need as many governments, states, cities, nonprofits, schools, businesses etc. to sign on as possible. Please read the pledge, share it, and push your local orgs to join!
Link to Global Pledge for Healthy Indoor Air: aas.eventsair.com/healthy-indo...
Link to Global Pledge for Healthy Indoor Air: aas.eventsair.com/healthy-indo...
Pledge
aas.eventsair.com
September 24, 2025 at 10:54 PM
To get clean air infrastructure everywhere, we need as many governments, states, cities, nonprofits, schools, businesses etc. to sign on as possible. Please read the pledge, share it, and push your local orgs to join!
Link to Global Pledge for Healthy Indoor Air: aas.eventsair.com/healthy-indo...
Link to Global Pledge for Healthy Indoor Air: aas.eventsair.com/healthy-indo...
Reposted by Cheri Sirois
Yesterday, history happened at the UN: For the first time hundreds of orgs signed a global pledge declaring that healthy indoor air is a human right.
Healthy indoor air is a key tool for preventing pandemics, building climate resilience, and increasing health equity. We need it everywhere!
Healthy indoor air is a key tool for preventing pandemics, building climate resilience, and increasing health equity. We need it everywhere!
September 24, 2025 at 10:53 PM
Yesterday, history happened at the UN: For the first time hundreds of orgs signed a global pledge declaring that healthy indoor air is a human right.
Healthy indoor air is a key tool for preventing pandemics, building climate resilience, and increasing health equity. We need it everywhere!
Healthy indoor air is a key tool for preventing pandemics, building climate resilience, and increasing health equity. We need it everywhere!
Reposted by Cheri Sirois
Over 200 leaders — including 10 Nobel laureates & top AI experts — call for AI red lines to prevent dangerous uses. I’ve signed the Global Call for AI Red Lines for responsible use of AI: red-lines.ai
200+ prominent figures endorse Global Call for AI Red Lines
AI could soon far surpass human capabilities and escalate risks such as engineered pandemics, widespread disinformation, large-scale manipulation of individuals including children...
red-lines.ai
September 23, 2025 at 3:12 PM
Over 200 leaders — including 10 Nobel laureates & top AI experts — call for AI red lines to prevent dangerous uses. I’ve signed the Global Call for AI Red Lines for responsible use of AI: red-lines.ai
Reposted by Cheri Sirois
This is an active research area, but avoiding illness/fever in pregnancy is wise—and so is listening to experts who’ve dedicated their lives to helping
www.acog.org/news/news-re...
pubmed.ncbi.nlm.nih.gov/22562209/
jamanetwork.com/journals/jam...
bmcmedicine.biomedcentral.com/articles/10....
www.acog.org/news/news-re...
pubmed.ncbi.nlm.nih.gov/22562209/
jamanetwork.com/journals/jam...
bmcmedicine.biomedcentral.com/articles/10....
ACOG Affirms Safety Benefits Acetaminophen Pregnancy
"The data from numerous studies have shown that acetaminophen plays an important—and safe—role in the well-being of pregnant women."
www.acog.org
September 23, 2025 at 3:19 PM
This is an active research area, but avoiding illness/fever in pregnancy is wise—and so is listening to experts who’ve dedicated their lives to helping
www.acog.org/news/news-re...
pubmed.ncbi.nlm.nih.gov/22562209/
jamanetwork.com/journals/jam...
bmcmedicine.biomedcentral.com/articles/10....
www.acog.org/news/news-re...
pubmed.ncbi.nlm.nih.gov/22562209/
jamanetwork.com/journals/jam...
bmcmedicine.biomedcentral.com/articles/10....
Reposted by Cheri Sirois
To be clear, there are no data that provide a link between short-term use of Tylenol during pregnancy and autism. In fact, one of the best prospective studies w/ sibling controls, if anything, pointed to a protective effect for use less than 7 days
acamh.onlinelibrary.wiley.com/doi/10.1002/...
acamh.onlinelibrary.wiley.com/doi/10.1002/...
September 23, 2025 at 3:05 PM
To be clear, there are no data that provide a link between short-term use of Tylenol during pregnancy and autism. In fact, one of the best prospective studies w/ sibling controls, if anything, pointed to a protective effect for use less than 7 days
acamh.onlinelibrary.wiley.com/doi/10.1002/...
acamh.onlinelibrary.wiley.com/doi/10.1002/...
Reposted by Cheri Sirois
"Pay no attention: Global health agencies dismiss false Trump claim on everyday painkillers"
This cannot be shared enough times.
This cannot be shared enough times.
‘Pay no attention’: global health agencies dismiss false Trump claim on everyday painkillers
Medical experts and regulators say US president should not be questioning established science
www.theguardian.com
September 23, 2025 at 1:29 PM
"Pay no attention: Global health agencies dismiss false Trump claim on everyday painkillers"
This cannot be shared enough times.
This cannot be shared enough times.
Reposted by Cheri Sirois
How many chromosomes can an animal have?
In our paper out now in @currentbiology.bsky.social we show that the Atlas blue butterfly has 229 chromosome pairs- the highest in diploid Metazoa! These arose by rapid autosome fragmentation while sex chromosomes stayed intact.
www.cell.com/current-biol...
In our paper out now in @currentbiology.bsky.social we show that the Atlas blue butterfly has 229 chromosome pairs- the highest in diploid Metazoa! These arose by rapid autosome fragmentation while sex chromosomes stayed intact.
www.cell.com/current-biol...
Constraints on chromosome evolution revealed by the 229 chromosome pairs of the Atlas blue butterfly
The genome of the Atlas blue butterfly contains ten times more chromosomes than most
butterflies, and more than any other known diploid animal. Wright et al. show that
this extraordinary karyotype is ...
tinyurl.com
September 11, 2025 at 3:22 PM
How many chromosomes can an animal have?
In our paper out now in @currentbiology.bsky.social we show that the Atlas blue butterfly has 229 chromosome pairs- the highest in diploid Metazoa! These arose by rapid autosome fragmentation while sex chromosomes stayed intact.
www.cell.com/current-biol...
In our paper out now in @currentbiology.bsky.social we show that the Atlas blue butterfly has 229 chromosome pairs- the highest in diploid Metazoa! These arose by rapid autosome fragmentation while sex chromosomes stayed intact.
www.cell.com/current-biol...
“The loss to state economies would be about 40% greater than the federal savings, as losses ripple through state and local economies. In other words, for every $1 the federal government saves, state and local economies would lose $1.40.”
mediarelations.gwu.edu/new-research...
mediarelations.gwu.edu/new-research...
New Research: Proposed CDC Budget Cuts Harm Public Health | Media Relations | The George Washington University
A new report by George Washington University researchers finds that proposed Fiscal Year 2026 budget cuts to the Centers for Disease Control and Prevention, if enacted, would endanger public health an...
mediarelations.gwu.edu
September 12, 2025 at 11:18 AM
“The loss to state economies would be about 40% greater than the federal savings, as losses ripple through state and local economies. In other words, for every $1 the federal government saves, state and local economies would lose $1.40.”
mediarelations.gwu.edu/new-research...
mediarelations.gwu.edu/new-research...
Reposted by Cheri Sirois
Reposted by Cheri Sirois
Applying to the NSF-GRFP (or another fellowship) on a tight deadline?
We built a 7-week guide + timeline to get you from draft to submission. It’s not too late — you’ve got this! ✨
🔗 cientificolatino.com/apply-in-7-weeks
#NSFGRFP #GradSchool #Fellowship
We built a 7-week guide + timeline to get you from draft to submission. It’s not too late — you’ve got this! ✨
🔗 cientificolatino.com/apply-in-7-weeks
#NSFGRFP #GradSchool #Fellowship
September 9, 2025 at 4:14 PM
Applying to the NSF-GRFP (or another fellowship) on a tight deadline?
We built a 7-week guide + timeline to get you from draft to submission. It’s not too late — you’ve got this! ✨
🔗 cientificolatino.com/apply-in-7-weeks
#NSFGRFP #GradSchool #Fellowship
We built a 7-week guide + timeline to get you from draft to submission. It’s not too late — you’ve got this! ✨
🔗 cientificolatino.com/apply-in-7-weeks
#NSFGRFP #GradSchool #Fellowship
Reposted by Cheri Sirois
The Empire State can’t afford to fall behind. A group of scientists is launching NY-CURES to fight for state and city level investment in research.✊
📢 Sign up & show Albany we stand UNITED for science.
👉 www.nycures.org @miriammerad.bsky.social @bogunoviclab.bsky.social
#AdvocateForScience #NYCURES
📢 Sign up & show Albany we stand UNITED for science.
👉 www.nycures.org @miriammerad.bsky.social @bogunoviclab.bsky.social
#AdvocateForScience #NYCURES
September 9, 2025 at 3:33 PM
The Empire State can’t afford to fall behind. A group of scientists is launching NY-CURES to fight for state and city level investment in research.✊
📢 Sign up & show Albany we stand UNITED for science.
👉 www.nycures.org @miriammerad.bsky.social @bogunoviclab.bsky.social
#AdvocateForScience #NYCURES
📢 Sign up & show Albany we stand UNITED for science.
👉 www.nycures.org @miriammerad.bsky.social @bogunoviclab.bsky.social
#AdvocateForScience #NYCURES
Science has saved countless lives - and will save many more if we let it. To fight cuts to research funding in the U.S. we need to share our stories! #ScienceSavedMe (tinyurl.com/m65339fh)
ScienceSavedMe Testimonials - YouTube
tinyurl.com
September 9, 2025 at 11:49 AM
Science has saved countless lives - and will save many more if we let it. To fight cuts to research funding in the U.S. we need to share our stories! #ScienceSavedMe (tinyurl.com/m65339fh)
Reposted by Cheri Sirois
Science has already saved countless lives and will save many more if we let it. Hearing firsthand from patients whose lives have been saved by medical research (tinyurl.com/m65339fh) shows how vital this funding is, even for those lucky enough not to have needed it yet.
Please share
#ScienceSavedMe
Please share
#ScienceSavedMe
September 3, 2025 at 10:12 PM
Science has already saved countless lives and will save many more if we let it. Hearing firsthand from patients whose lives have been saved by medical research (tinyurl.com/m65339fh) shows how vital this funding is, even for those lucky enough not to have needed it yet.
Please share
#ScienceSavedMe
Please share
#ScienceSavedMe