Petya Krasteva
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krastevalab.bsky.social
Petya Krasteva
@krastevalab.bsky.social
1.8K followers 2.2K following 39 posts
Structural biologist and microbiologist at the IECB, CNRS, Bordeaux. Loves her kiddos, homies, science and bacteria!

www.krasteva-lab.com
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krastevalab.bsky.social
When it's so hot that your car catches fire on the road and you almost explode a gas station🔥🔥🔥
July 2, 2025 at 2:29 PM
Reposted by Petya Krasteva
lindorfflarsen.bsky.social
This paper combines two sort-of-crazy (in the best sense) approaches in cryoEM sample preparation:
(1) Native, soft-landing electrospray ion beam deposition, followed by (2) deposition of amorphous ice, and reheating and freezing by laser flash melting. Has potential for time-resolved studies.
June 9, 2025 at 6:43 AM
krastevalab.bsky.social
Two weeks left to apply!!!
krastevalab.bsky.social Petya Krasteva @krastevalab.bsky.social · Apr 28
Fellow ladies in science, as part of the disappearing species of international female scientists in France and perhaps every/elsewhere, I want to bring your special attention to our institute's open call for group leaders 👩‍🔬🦠🧪🔬🤓!!! Come join me in doing some coolicious science here 🙏!
iecb.bsky.social IECB Bordeaux @iecb.bsky.social · Apr 28
We are recruiting 🤩🤩🤩!!! If you are looking to establish your lab in a multidisciplinary institute with state-of-the-art facilities, horizontal structure and diverse faculty, all in a near-paradisiac city in the south-west of France, you have 6 weeks left to submit your application 🤓!!!
May 26, 2025 at 11:19 AM
Reposted by Petya Krasteva
joshuajfriedman.com
NEW: Judge Burroughs GRANTS Harvard's requested TRO against the Trump administration, blocking it from revoking Harvard's ability to enroll international students during early court proceedings.
ORDER GRANTING PLAINTIFF'S MOTION FOR A TEMPORARY RESTRAINING ORDER For purposes of Federal Rule of Civil Procedure 65(b), the President and Fellows of Harvard College ("Plaintiff") has made a sufficient showing that it has provided notice to Defendants Department of Homeland Security, Kristi Noem, Immigration and Customs Enforcement, Todd Lyons, Department of Justice, Pamela Bondi, Student and Exchange Visitor Program, Jim Hicks, Department of State, and Marco Rubio (collectively, "Defendants") and that, unless its Motion for a Temporary Restraining Order ("TRO"), [ECF No. 4 (the "Motion")], is granted, it will sustain immediate and irreparable injury before there is an opportunity to hear from all parties. Thus, a TRO is justified to preserve the status quo pending a hearing and the Plaintiff's Motion is GRANTED. Accordingly, Defendants, their agents, and anyone acting in concert or participation with Defendants are hereby enjoined from: A. Implementing, instituting, maintaining, or giving effect to the revocation of Plaintiff's SEVP certification; B. Giving any force or effect to the Department of Homeland Security's May 22, 2025 Revocation Notice. It is so ordered May 23, 2025 /s/Allison D. Burroughs ALLISON D. BURROUGHS U.S. DISTRICT JUDGE
May 23, 2025 at 3:52 PM
Reposted by Petya Krasteva
ewanbirney.bsky.social
This is just an excellent preprint by Rasmus Jensen and colleagues from Julia Mahamid's lab @embl.org - a tour de force of Cryogenic electron tomography to do in cell structural biology in which they discover a new complex and solve its structure and function! www.biorxiv.org/content/10.1...
In-cell discovery and characterization of a non-canonical bacterial protein translocation-folding complex
Cryo-electron tomography has emerged as powerful technology for in-cell structural biology, and in combination with breakthroughs in protein structure prediction, offers a unique opportunity for illum...
www.biorxiv.org
May 22, 2025 at 7:01 PM
krastevalab.bsky.social
Someone posted this and I have been back to the original on repeat since 😄.. Captures perfectly the current mood, Imma losin' m'self in the sciencccccce 🤓🤓🤓🤓

youtu.be/xYtaBfwpg_k?...
Eminem - LOSE YOURSELF (Sung by 331 Movies!)
YouTube video by The Unusual Suspect
youtu.be
May 22, 2025 at 6:35 PM
krastevalab.bsky.social
Fellow ladies in science, as part of the disappearing species of international female scientists in France and perhaps every/elsewhere, I want to bring your special attention to our institute's open call for group leaders 👩‍🔬🦠🧪🔬🤓!!! Come join me in doing some coolicious science here 🙏!
iecb.bsky.social IECB Bordeaux @iecb.bsky.social · Apr 28
We are recruiting 🤩🤩🤩!!! If you are looking to establish your lab in a multidisciplinary institute with state-of-the-art facilities, horizontal structure and diverse faculty, all in a near-paradisiac city in the south-west of France, you have 6 weeks left to submit your application 🤓!!!
April 28, 2025 at 7:55 PM
Reposted by Petya Krasteva
erc.europa.eu
🦠 Most #bacteria form #biofilms, protective communities that resist #antibiotics.

Petya Krasteva's research explores the structure & behaviour of these biofilms, hoping to develop new #antimicrobial strategies.

Read more 👉 buff.ly/YajqauG

@krastevalab.bsky.social @iecb.bsky.social @CNRS.fr
Deciphering the formation of cooperative multicellular biofilms
Bacterial films are a hazard throughout the healthcare system, and as antibiotic resistance increases there is an even greater imperative...
buff.ly
April 20, 2025 at 11:30 AM
Reposted by Petya Krasteva
antoineloquet.bsky.social
Check our study in press in JACS on the use of solid-state #NMR to investigate polysaccharides in encapsulated pathogens, demonstrated on #Cryptococcus neoformans. Congrats to Alons Lends and all coworkers
@iecb.bsky.social @cnrs.fr @univbordeaux.bsky.social
pubs.acs.org/doi/10.1021/...
Molecular Distinction of Cell Wall and Capsular Polysaccharides in Encapsulated Pathogens by In Situ Magic-Angle Spinning NMR Techniques
Pathogenic fungal and bacterial cells are enveloped within a cell wall, a molecular barrier at their cell surface, and a critical architecture that constantly evolves during pathogenesis. Understandin...
pubs.acs.org
February 17, 2025 at 12:10 PM
krastevalab.bsky.social
I am not a chemist and must be brain-dead after prolonged ogling of electron density clouds but how TF is this cellopentaose 🤔?
February 15, 2025 at 12:57 PM
krastevalab.bsky.social
And another one bites the flux 🤘🤘🤘! Molecular replacement was tricky mostly because of Alphafold lacking imagination 😅! Beautiful home source data at 1.9 Å courtesy again of Xtal master @bkauffmann.bsky.social at our @iecb.bsky.social
February 15, 2025 at 9:08 AM
Reposted by Petya Krasteva
selimlab.bsky.social
Big News (a bit late 🙃): my group is moving to Düsseldorf
@hhu.bsky.social

Looking for next adventure w awesome colleagues @frunzkelab.bsky.social @kedrov-lab.bsky.social @apmweber.bsky.social

Plz RT, positions available for #PhD & #postdoc w focus #CryoEM & #cdiAMP

www.hhu.de/news-einzela...
January 31, 2025 at 4:30 PM
Reposted by Petya Krasteva
bkauffmann.bsky.social
February 12, 2025 at 7:32 PM
krastevalab.bsky.social
Has been a while since we bothered to set up crystal trays, cryo-EM got us so spoiled 😄.. Not bad data either, home source dataset at 1.7 Å courtesy of our Xtal guru @bkauffmann.bsky.social at our @iecb.bsky.social 🤓🙏💠..
February 12, 2025 at 5:27 PM
krastevalab.bsky.social
Welcome to Bluesky and thank you for this post 🙏. Indeed it was a real rollercoaster and this grant came as a lifeboat in the cold and lifeless ocean of public research in France, where institutional support is a net negative 😄. So we'll rock on for another 5 years while ignoring admin emails 🤘🤘🤘
February 11, 2025 at 7:38 PM
Reposted by Petya Krasteva
seandstacey.bsky.social
OK, this is just a damn cool article 🤯 🦠 🔬 Infecting the cell nucleus, gaining nutrients, but preventing cell death!

www.nature.com/articles/s41...
An intranuclear bacterial parasite of deep-sea mussels expresses apoptosis inhibitors acquired from its host - Nature Microbiology
‘Candidatus Endonucleobacter’ is a pathogen of deep-sea mussels that can successfully reproduce in the nuclei of its host by expressing inhibitors of apoptosis, likely acquired through horizontal gene...
www.nature.com
November 20, 2024 at 2:15 PM
krastevalab.bsky.social
Happy to share our 📖 chapter on bacterial cellulose secretion! It took too long in press so it doesn't include our latest work on pEtN-cellulose secretion (doi.org/10.1038/s414...), which settled many open questions but nevertheless, hope you enjoy the read 🤓!

link.springer.com/chapter/10.1...
November 20, 2024 at 3:30 PM
krastevalab.bsky.social
That's the spirit, fuck bubbles as enjoyable as they might be 😄! Disclaimer: no personal energy to engage on that network meself 🙈🙈🙈
ravenscimaven.bsky.social Dr. Raven "the Science Maven" Baxter @ravenscimaven.bsky.social · Nov 18
Feeling chaotic, just made a Truth Social account to talk about science
November 19, 2024 at 6:55 PM
krastevalab.bsky.social
WowWowWow!!! Mechanism of histone H1 killing MRSA 🤓! Congratulations to all the authors 👌
November 15, 2024 at 2:19 PM
Reposted by Petya Krasteva
florianjug.bsky.social
Is this now happening for real?
Are we acknowledging that SciTwitter transitions to BlueSci?!? 🤩 #bluesci #migration
A Bluesky butterfly in a sciency appearance to support the science subcommunity on this platform: BlueSci
November 15, 2024 at 7:03 AM
Reposted by Petya Krasteva
djuranoviclab.bsky.social
@djuranoviclab.bsky.social will be Djuranovic lab at Brown University and newly formed RNA Center from July 1st 2025.
Postdoc as well as staff scientist positions will be available.

www.brown.edu/news/2024-02...
Changing the future of medicine: How Brown is becoming a global hub for RNA research
The ambitious goal of the new Brown RNA Center is to untangle the mysteries of human RNA, which could be instrumental in preventing and developing treatments for a wide variety of complex diseases.
www.brown.edu
November 13, 2024 at 1:38 AM
Reposted by Petya Krasteva
lowlab.bsky.social
Now out in NSMB for those who missed our biorxiv back in 2023.. bacterial ESCRT-III-like #Vipp1 forms dynamic spiral filaments on membrane! Spirals are springs that drive 3D ring formation in the spiral centre! 😵‍💫 wonderful collaboration with Adai Colom’s lab and @rouxlab.bsky.social

rdcu.be/dZSPQ
November 11, 2024 at 10:09 PM
Reposted by Petya Krasteva
iecb.bsky.social
A CORDIS_EU feature of our @krastevalab.bsky.social 's ERC StG project BioMatrix on bacterial biofilm formation, which highlights the pivotal role of our institute's infrastructure!

cordis.europa.eu/article/id/4...
Deciphering the formation of cooperative multicellular biofilms
Bacterial films are a hazard throughout the healthcare system, and as antibiotic resistance increases there is an even greater imperative...
cordis.europa.eu
November 12, 2024 at 9:38 AM
Reposted by Petya Krasteva
iecb.bsky.social
Join us in December for a week of daily matinées in Molecular Biophysics 🤩!!! Speaker line-up below, the venue is our IECB amphitheater, doors open at 10:30 for a snack and chat before exciting science 🤓!
November 9, 2024 at 1:02 PM
Reposted by Petya Krasteva
mazna.bsky.social
I put this here to acquaint our newly growing bsky network with our recent work on how the disordered translation factor eIF4B navigates accross its self-association landscape encoded by its peculiar sequence and plasticity.
rdcu.be/dZCaJ
Disordered regions of human eIF4B orchestrate a dynamic self-association landscape
Nature Communications - This study reveals how the intrinsically disordered region of eIF4B governs its transition from monomers to oligomers and condensed droplets, providing key insights into how...
rdcu.be
November 9, 2024 at 1:08 AM