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Matthew Welch

@mattwelchlab.bsky.social
136 followers 58 following 16 posts

Scientist studying the cell biology and microbiology of host pathogen interactions. Professor and Co-Chair of Molecular and Cell Biology at UC Berkeley. mcb.berkeley.edu/labs/welch

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Reposted by Matthew Welch
Journal of Cell Biology @jcb.org · 21/07/2026
🔬 From our July issue: rupress.org/jcb/issue/22... A spinning-disk confocal image of HMEC-1 cells infected w/ #Rickettsia bellii (yellow, cytoplasmic GFP) & expressing a fluorescent marker of actin filaments (blue, RFP-F-tractin). By Bacher et al. @mattwelchlab.bsky.social: doi.org/10.1083/jcb....
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Matthew Welch @mattwelchlab.bsky.social · 16/06/2026
Our newest microPublication is out online! Please check it out. @micropub7n.bsky.social
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Matthew Welch @mattwelchlab.bsky.social · 29/05/2026
Reminder for fellow cell biologists: the #CellBio2026 abstract deadline is June 9! Time to get those submissions in #ASCB www.ascb.org/cellbio2026/
ascb.org
Cell Bio 2026 - An ASCB|EMBO Meeting
Attend Cell Bio 2026 - An ASCB|EMBO Meeting and network
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Matthew Welch @mattwelchlab.bsky.social · 08/05/2026
ASCB @ascbiology.bsky.social and EMBO @embo.org communities - Snezhka @alebenoit.bsky.social and I are Co-Chairs of the CellBio 2026 program committee. Please share that June 9th is the standard abstract deadline - earlier than in the past. Please submit an abstract and join us in San Diego!
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Reposted by Matthew Welch
Journal of Cell Biology @jcb.org · 29/04/2026
New study from Bacher et al. in the @mattwelchlab.bsky.social @ucberkeleyofficial.bsky.social finds evidence for considerable evolutionary flexibility in the mechanism and regulation of microbial #actin-based #motility. rupress.org/jcb/article-... #Cytoskeleton #Microbiology #Rickettsia
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Reposted by Matthew Welch
Rockefeller University Press @rupress.org · 29/04/2026
New @jcb.org study from Bacher et al. in the @mattwelchlab.bsky.social @ucberkeleyofficial.bsky.social finds evidence for considerable evolutionary flexibility in the mechanism and regulation of microbial #actin-based #motility. rupress.org/jcb/article-... #Cytoskeleton #Microbiology #Rickettsia
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Matthew Welch @mattwelchlab.bsky.social · 28/04/2026
Our most recent paper "Divergent Rickettsia species exhibit distinct mechanisms of actin-based motility" is now out in @jcb.org! Check it out here: rupress.org/jcb/article/...
Image of Rickettsia bacteria in yellow, in an infected cell expressing fluorescent actin in blue.
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Matthew Welch @mattwelchlab.bsky.social · 12/03/2026
All Friends of Berkeley MCB @berkeleymcb.bsky.social please consider making a donation to support our students, science, and department culture during today's Big Give givingday.berkeley.edu/giving-day/1...
givingday.berkeley.edu
Big Give 2026
March 12
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 27/01/2026
Congratulations to MCB faculty David Bilder, Rebecca Heald, James Hurley and Gary Karpen on receiving Miller Research Professorship Awards! 👏🎉 @bilderlab.bsky.social @jimhurley.bsky.social mcb.berkeley.edu/news-and-eve...
David Bilder, Rebecca Heald, James Hurley and Gary Karpen receive Miller Research Professorship Awards
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 14/01/2026
Congratulations to MCB's Dan Portnoy on receiving the 2025 Excellence in Advising Outstanding Faculty Advisor award from Berkeley’s Council on Advising and Student Services! 🎉👏 mcb.berkeley.edu/news-and-eve...
Dan Portnoy receives the 2025 Excellence in Advising Outstanding Faculty Award
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 05/09/2025
Congrats to MCB's Susan Marqusee @marquseelab.bsky.social on being selected as a 2025 Protein Society Fellow @proteinsociety.bsky.social! 👏🎉
Susan Marqusee named 2025 Protein Society Fellow
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 05/09/2025
Congrats to MCB's James Nuñez @jamesknunez.bsky.social on being named a 2025 Vallee Scholar @valleefoundation.bsky.social! 🎉👏 thevalleefoundation.org/news/2025-va...
James Nuñez named 2025 Vallee Scholar
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 05/09/2025
Congrats to MCB's James Olzmann @olzmannlab.bsky.social on receiving the ASBMB 2026 Avanti Award in Lipids @asbmb.bsky.social! 👍🎉
James Olzmann receives 2026 Avanti Award in Lipids
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Matthew Welch @mattwelchlab.bsky.social · 22/08/2025
Our newest preprint on bioRxiv ‪@biorxivpreprint.bsky.social "Divergent Rickettsia species exhibit distinct mechanisms of actin-based motility" reveals surprising evolutionary flexibility in the mechanisms of Rickettsia actin-based motility www.biorxiv.org/content/10.1...
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 20/08/2025
We're Hiring! Assistant Professor of Immunology and Molecular Medicine in MCB. Learn more and apply online: aprecruit.berkeley.edu/JPF05096
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 20/08/2025
We're Hiring! Assistant Professor of Molecular Therapeutics in MCB. Learn more and apply online: aprecruit.berkeley.edu/JPF05098
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Matthew Welch @mattwelchlab.bsky.social · 22/08/2025
Congratulations James @olzmannlab.bsky.social for being elected an ASCB Fellow!
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 19/08/2025
Exciting research out of the Nayak lab! 🧪 news.berkeley.edu/2025/08/14/s...
news.berkeley.edu
Scientists hack microbes to identify environmental sources of methane - Berkeley News
UC Berkeley researchers tweaked a key enzyme involved in microbial methane production to understand the unique fingerprints of different environments on Earth that generate the greenhouse gas.
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 24/06/2025
And another one for MCB's Yvette Fisher @yvetteefisher.bsky.social! 🔥Congrats on being named a @hhmi.org 2025 Freeman Hrabowski Scholar! 🥂https://www.hhmi.org/programs/freeman-hrabowski-scholars/2025-scholars
Yvette Fisher named 2025 Freeman Hrabowski Scholar
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 27/06/2025
Congrats to MCB's Filipa Rijo-Ferreira on being named a @hhmi.org 2025 Freeman Hrabowski Scholar! 🎉👏 www.hhmi.org/programs/fre...
Filipa Rijo-Ferreira named 2025 Freeman Hrabowski Scholar
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 24/04/2025
Congrats to MCB's Yang Dan & Donald Rio on their election to the American Academy of Arts & Sciences! 👏🎉 www.amacad.org/new-members-...
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Matthew Welch @mattwelchlab.bsky.social · 23/04/2025
Thanks Wendy @wendyingram.bsky.social and Dragonfly @dragonflymh.bsky.social for your pioneering work promoting mental health wellness in academia. MCB @berkeleymcb.bsky.social at UC Berkeley @ucberkeleyofficial.bsky.social appreciates your efforts and expertise. news.berkeley.edu/2025/04/21/a...
news.berkeley.edu
A spate of suicides drew this alumna back to UC Berkeley to confront mental health issues in academia - Berkeley News
Encouraged by Wendy Ingram, a 2014 Berkeley Ph.D. recipient, eminent faculty members shared their experiences with depression and anxiety to help bring these struggles into the open.
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 31/03/2025
Congrats to MCB's Diana Bautista and David Bilder for being named as AAAS Fellows @aaas.org! @bilderlab.bsky.social 👏 🎉https://news.berkeley.edu/2025/03/27/seven-faculty-members-named-fellows-of-american-association-for-the-advancement-of-science/
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 01/04/2025
Congrats to MCB faculty David Raulet and graduate student Elle Andrews on receiving 2025 Berkeley Graduate Mentoring Awards! 👏🎉 @davidraulet.bsky.social grad.berkeley.edu/news/celebra...
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 02/04/2025
Congratulations to MCB undergraduates Carolyn Nguyen (Nuñez Lab), Karla Tapia (Hurley Lab), Shriprithi Vel Murugan (Hurley Lab), and Selina Wu (Hurley Lab) who were recently named Spring 2025 Ignite Scholars by the Bakar Fellows Program! 👏 bakarfellows.berkeley.edu/bakar-fellow...
bakarfellows.berkeley.edu
Bakar Fellows Program Welcomes Spring 2025 Ignite Scholars - Bakar Fellows Program
Meet the Fall 2024 cohort of the Bakar Ignite Scholars Program.
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Reposted by Matthew Welch
UC Berkeley MCB @berkeleymcb.bsky.social · 13/03/2025
Our #berkeleyMCB community is already coming together to make a BIG impact for #CalBigGive! As a special incentive, once we receive 100 gifts 🎁 it will unlock 2 special donations from members of our community. Please help us meet this funding challenge! bit.ly/BigGiveMCB25
Image of Heald lab group in eucalyptus grove posing like frogs and smiling
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Matthew Welch @mattwelchlab.bsky.social · 13/03/2025
Interesting analysis of the amazing economic activity fueled by NIH-funded research - a return on investment of $2.56 for every $1 in awards: www.forbes.com/sites/michae...
forbes.com
NIH Grants Fueled $95 Billion In FY 2024 Economic Activity, Finds New Report
National Institutes of Health grants generated almost $95 billion in economic activity nationwide in FY 2024 according to a new report by United for Medical Research.
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Reposted by Matthew Welch
Richard Sever @richardsever.bsky.social · 11/03/2025
Big news: we are setting up a new non-profit organization to run bioRxiv and medRxiv. It's called openRxiv [no it's not a new preprint server; it's dedicated organization to oversee the servers] openrxiv.org 1/n
openrxiv.org
Homepage - openRxiv
openRxiv is an independent non-profit, the new organizational home for bioRxiv and medRxiv, enabling researchers to instantly share groundbreaking findings with the global scientific community.
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Matthew Welch @mattwelchlab.bsky.social · 10/03/2025
I'm glad to have attended two Stand up for Science #standupforscience rallies last Friday, including this one at UC Berkeley @ucberkeleyofficial.bsky.social -https://www.kqed.org/news/12030313/uc-berkeley-scientists-protest-trump-administrations-cuts-to-research-funding
kqed.org
UC Berkeley Scientists Protest Trump Administration’s Cuts to Research Funding | KQED
Hundreds of UC Berkeley scientists and students rallied in support of research funding as President Donald Trump delayed and slashed research budgets.
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Matthew Welch @mattwelchlab.bsky.social · 07/03/2025
Good crowd at #standupforscience in San Francisco and great speeches by CA State Senator Scott Wiener @scottwiener.bsky.social and Stanford (also former UC Berkeley) professor Carolyn Bertozzi @carolynbertozzi.bskyverified.social
Crowd at the stand up for science rally in San Francisco.
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Matthew Welch @mattwelchlab.bsky.social · 28/02/2025
I've been off of social media for some time now and surprisingly glad to be back on again!
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