Augustinas Silale
@augustsilale.bsky.social
📤 141
📥 114
📝 6
Structural biology, membrane proteins, microbiology. Postdoc. Newcastle upon Tyne. 🧪🧫❄️🔬🇱🇹🏳️🌈
pinned post!
New preprint 🚨: with
@madejmar.bsky.social
we found that the Bacteroidetes beta-barrel assembly machinery is quite different to E. coli.
www.biorxiv.org/content/10.1...
#cryo-EM
8 months ago
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Augustinas Silale
Microbes in Health and Disease
2 days ago
Now we are on Bluesky, over the next couple of days we would like to introduce some of the MHD groups on Bluesky who you can follow for more research updates. Or check out our handy MHD starter pack 😀
go.bsky.app/SoVnvW3
add a skeleton here at some point
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Augustinas Silale
Rhys Grinter
4 days ago
The outer membrane of Gram-negative bacteria blocks many antibiotics. Our latest work reveals that L-type pyocins bypass this barrier by inactivating the BAM complex, killing Pseudomonas aeruginosa without entering the cell, providing a new blueprint for beating antibiotic resistance.
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A Protein Antibiotic Inhibits the BAM Complex to Kill Without Cell Entry
Many antibiotics are ineffective against Gram-negative pathogens such as Pseudomonas aeruginosa because they cannot penetrate the bacterial outer membrane. Here, we show that protein antibiotics calle...
https://www.biorxiv.org/content/10.1101/2025.09.18.677229v1
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Agathe couturier
7 days ago
Exclusion systems, far from slowing down plasmid spread, are in fact essential to preserve host cell viability and thereby ensure the successful dissemination of conjugative plasmids and antibiotic resistance genes.
@nfrk92.bsky.social
@narjournal.bsky.social
academic.oup.com/nar/article/...
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Exclusion systems preserve host cell homeostasis and fitness, ensuring successful dissemination of conjugative plasmids and associated resistance genes
Abstract. Plasmid conjugation is a major driver of antibiotic resistance dissemination in bacteria. In addition to genes required for transfer and maintena
https://academic.oup.com/nar/article/53/17/gkaf898/8252029?utm_source=advanceaccess&utm_campaign=nar&utm_medium=email
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Stephen Garrett
8 days ago
Really excited to share my first paper from the Whitney lab, alongside an amazing grad student, Polina. Here we identify a chaperone family required for the folding of a central domain of T7SS toxins, and solve the structure of the chaperone-toxin complex.
www.pnas.org/doi/10.1073/...
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A widespread family of molecular chaperones promotes the intracellular stability of type VIIb secretion system–exported toxins | PNAS
To survive in highly competitive environments, bacteria use specialized secretion systems to deliver antibacterial toxins into neighboring cells, t...
https://www.pnas.org/doi/10.1073/pnas.2503581122
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TJ McCorvie
about 1 month ago
nusbf.ncl.ac.uk/blog/2025/08...
If you want to see the progress of the installation of the Tundra TEM at
@nusbf.bsky.social
@newcastleuni.bsky.social
Johan has been kindly updating the website with pictures as it is being assembled.
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Progress Update: Tundra Installation — August 20, 2025 - NUSBF
We’re excited to share the latest advances in the Tundra project as of 20 August 2025. The installation is moving swiftly, and here’s how things stand: The wiring had continued and the microscope is c...
https://nusbf.ncl.ac.uk/blog/2025/08/20/the-tundra-installation-progress/
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Augustinas Silale
Melissa Webby
about 1 month ago
🦠 A fan of bacteria? We're hiring a Research Technician to join our team at the
@warwicklifesci.bsky.social
@uni-of-warwick.bsky.social
Positive, organised, skills in molecular biology and protein purification? Apply here 👉
warwick-careers.tal.net/vx/appcentre...
Please share! 🔬
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James Connolly
about 2 months ago
Absolutely delighted to share the labs latest work. We identify and characterise two pathways for D-ribulose utilisation in pathogenic EHEC and Citrobacter.
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Convergent evolution of distinct D-ribulose utilisation pathways in attaching and effacing pathogens - Nature Communications
Cottam et al. identify distinct pathways for D-ribulose utilisation in pathogenic Escherichia coli and Citrobacter rodentium, providing mechanistic details and suggesting convergent evolution towards ...
https://www.nature.com/articles/s41467-025-62476-5
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Augustinas Silale
Michael Deghelt
about 2 months ago
#microsky
We challenge the long-standing view that peptidoglycan alone protects cells from bursting. Our study shows that the periplasm — enclosed by OM–PG connections — acts as a pressure buffer essential for osmoprotection in Gram-negative bacteria. 📄
www.nature.com/articles/s41...
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Peptidoglycan–outer membrane attachment generates periplasmic pressure to prevent lysis in Gram-negative bacteria - Nature Microbiology
Outer membrane attachment to peptidoglycan enables periplasmic pressure to build up and counter cytoplasmic turgor pressure, preventing lysis during osmotic challenges in Escherichia coli.
https://www.nature.com/articles/s41564-025-02058-9
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Dr Katherine Duncan
2 months ago
*JOB AD*: interested in doing a postdoc in microbial metabolomics? Passionate about natural products mass spec? Come join the group! Informal enquires welcome! Closing Date: 19 August 2025
jobs.ncl.ac.uk/job/Newcastl...
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Research Associate - Microbial Metabolomic
Research Associate - Microbial Metabolomic
https://jobs.ncl.ac.uk/job/Newcastle-Research-Associate-Microbial-Metabolomic/1227335101/
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Augustinas Silale
Rob Klose
2 months ago
My wonderful colleage Colin Kleanthous is raising money for the MND association. Please support Colin in this worthy endeavor!
www.justgiving.com/page/colin-k...
(Please repost!)
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Colin Kleanthous' fundraiser for Motor Neurone Disease Association
Help Colin Kleanthous raise money to support Motor Neurone Disease Association
https://www.justgiving.com/page/colin-kleanthous-iveagh
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Augustinas Silale
Yoann Santin
3 months ago
You thought all OMPs were trimeric? 🧐 Not in our predator B. bacteriovorus! 🦠 Excited to have contributed to this great collab with the Lovering lab on this intriguing protein.
@lalouxlab.bsky.social
👉 Paper here!
www.nature.com/articles/s41...
#BacterialPredation
#Bdellovibrio
#StructuralBiology
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A porin-like protein used by bacterial predators defines a wider lipid-trapping superfamily - Nature Communications
This study reveals that an outer membrane protein from the predator Bdellovibrio bacteriovorus forms a pentameric assembly that traps a lipid monolayer within. This allows the discovery of two superfa...
https://www.nature.com/articles/s41467-025-61633-0
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Augustinas Silale
Herve Celia
3 months ago
After an unexpectedly long editorial process, our paper describing the structures of the E coli TolAQR and TonB-ExbBD complexes is finally out. The coordinates are to be released on July 9th on the PDB.
www.nature.com/articles/s41...
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Cryo-EM structures of the E. coli Ton and Tol motor complexes - Nature Communications
The Ton and Tol systems are bacterial energy-transducing complexes that use the proton motive force at the inner membrane to exert force on outer membrane proteins. Here the authors present the high-r...
https://www.nature.com/articles/s41467-025-61286-z
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Augustinas Silale
Kiran R. Patil
3 months ago
Excited to share some key details on our latest research in
@natmicrobiol.nature.com
reporting intra-cellular accumulation of
#PFAS
(aka forever chemicals) by certain human gut bacteria.
#microsky
#mevosky
#microbiomesky
www.nature.com/articles/s41...
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Augustinas Silale
Ingo Greger
3 months ago
Happy about our new paper in Nature
rdcu.be/eukUB
The GluA3 structure provides a framework for understanding this disease-prone glutamate receptor - novel interfaces will provide targets for modulator development
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Augustinas Silale
Florian Wollweber
3 months ago
After 5 amazing years
@pilhoferlab.bsky.social
I'm starting my lab
@embl.org
Grenoble this November
embl.org/wollweber
We'll image Asgard archaea and many other strange microbes (
#archaeasky
,
#protistsonsky
..) to understand eukaryogenesis First job ad:
#teamtomo
scientist!🔬❄️
tinyurl.com/2rdu2ze6
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Oli Clarke
3 months ago
1/x New story - the structure of the Vault cap, at 2.3Å! Matching a beautiful preprint from
@sjorsscheres.bsky.social
, we show that the cap of the vault particle has C13 symmetry, in contrast to the 39-fold symmetry of the body. Study lead by talented postdoc
@huanli00.bsky.social
from my group! ⬇️
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Tracy Palmer
4 months ago
Check out our latest preprint! We show that the same antibacterial toxin requires different immunity proteins depending whether it’s intra or extracellular
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Calum H. G. Johnston
5 months ago
Pleased to share a new preprint - a great collaboration with
@jessicaandreani.bsky.social
and the Guerois lab at I2BC, and the Radicella lab at the CEA. Using stuctural modelling, we reveal & validate a 3 protein complex involved in DNA import during transformation.
www.biorxiv.org/content/10.1...
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A tripartite protein complex promotes DNA transport during natural transformation in firmicutes.
Natural genetic transformation is a conserved mechanism of bacterial horizontal gene transfer, which is directed entirely by the recipient cell and facilitates the acquisition of new genetic traits su...
https://www.biorxiv.org/content/10.1101/2025.05.09.652193v1
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Augustinas Silale
Emmanuele Severi
5 months ago
New from David Bolam’s lab at Newcastle University;
www.nature.com/articles/s41...
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A Bacteroides thetaiotaomicron genetic locus encodes activities consistent with mucin O-glycoprotein processing and N-acetylgalactosamine metabolism - Nature Communications
Ndeh et al. show that a genetic locus in the human gut bacterium, Bacteroides thetaiotaomicron, encodes a combination of glycosidases, a glycoprotease and a kinase enabling it to process and metabolis...
https://www.nature.com/articles/s41467-025-58660-2
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Augustinas Silale
Stephen Garrett
5 months ago
Really excited to share this story from Jake in the lab! We have found bacterial protein toxins that can enter Gram positive bacterial cells without the need for a receptor resulting in broad spectrum antibacterial activity.
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Raffaele Ieva
6 months ago
Here our new preprint on the LPS holo-translocon
doi.org/10.1101/2025...
, collaboration with Yves Quentin @JulieMarcoux
@fronzeslab.bsky.social
@pstansfeld.bsky.social
-
@cbitoulouse.bsky.social
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Structural Basis of Lipopolysaccharide Assembly by the Outer Membrane Translocon Holo-Complex
Lipopolysaccharide (LPS) assembly at the surfaces-exposed leaflet of the bacterial outer membrane (OM) is mediated by the OM LPS translocon. An essential transmembrane beta-barrel protein, LptD, and a...
https://doi.org/10.1101/2025.04.10.648201
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Tracy Palmer
6 months ago
And here
jobs.ncl.ac.uk/job/Newcastl...
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Research Associate - Biochemical and structural analysis of bacterial protein toxins
Research Associate - Biochemical and structural analysis of bacterial protein toxins
https://jobs.ncl.ac.uk/job/Newcastle-Research-Associate-Biochemical-and-structural-analysis-of-bacterial-protein-toxins/1191054301/
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Come join the Palmer lab to do great science with great colleagues in a great city!
add a skeleton here at some point
6 months ago
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Augustinas Silale
Jon Marles-Wright
6 months ago
Interested in Engineering Biology and spending a few days in the best city in the world? Designer Biology 2025 is coming to Newcastle: 29-31st July. Abstracts and registration is open:
www.efbiotechnology.org/designerbiol...
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Augustinas Silale
Dr Katherine Duncan
6 months ago
One week left to apply for this BBSRC funded PhD position in the Duncan lab, cosupervised by
@thecopperdoctor.bsky.social
and
@ruamicro.bsky.social
www.findaphd.com/phds/project...
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Antibiotics from the abyss – assessing the impact of deep-sea mining on biodiscovery at Newcastle University on FindAPhD.com
PhD Project - Antibiotics from the abyss – assessing the impact of deep-sea mining on biodiscovery at Newcastle University, listed on FindAPhD.com
https://www.findaphd.com/phds/project/antibiotics-from-the-abyss-assessing-the-impact-of-deep-sea-mining-on-biodiscovery/?p182723
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Tracy Palmer
6 months ago
www.biorxiv.org/content/10.1...
exciting new study on role of disulphide bond formation in secretion and motility in Bacteroidota
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A central, shared role for disulfide bonds in Bacteroidota protein transport and gliding motility
The gliding motility and Type 9 Secretion Systems (T9SSs) of Bacteroidota share a Power Chain that in current models uses a Hub complex to distribute energy to both the T9SS translocon and a moving gl...
https://www.biorxiv.org/content/10.1101/2025.03.12.642685v1
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Augustinas Silale
Charles Winterhalter
7 months ago
Excited to share with you the story that enabled me to start my own lab: what happens when the bacterial DNA replication machinery encounters single-strand discontinuities on template DNA? What is required for break repair and replication restart?
www.biorxiv.org/content/10.1...
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Rescuing bacterial genome replication: essential functions to repair a double-strand break and restart DNA synthesis
Many antibiotics indirectly generate reactive oxygen species (ROS) that can damage bacterial genomes. Oxidised nucleobases become genotoxic when they are targeted for repair through excision, generati...
https://www.biorxiv.org/content/10.1101/2025.02.28.640380v1
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Augustinas Silale
Alek Kovalenko
7 months ago
Very exciting to talk at the OxBacNet meeting held at
@dunnschool.bsky.social
Summarising mine and
@sykhalid.bsky.social
collaboration with
@augustsilale.bsky.social
to investigate a new ExbBD motor structure using molecular dynamics (foreshadowing the manuscript in preparation)
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Augustinas Silale
Alan Cartmell
7 months ago
Happy to have this deep dive into polysaccharide lyase family 33 out:
www.pnas.org/doi/suppl/10...
We define features driving substrate specificity, catalytic mechanism, and evolutionary links with multiple lyases and epimerises
#glycotime
@PNASNews
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Bacterial polysaccharide lyase family 33: Specificity from an evolutionarily conserved binding tunnel | PNAS
Acidic glycans are essential for the biology of multicellular eukaryotes. To utilize them, microbial life including symbionts and pathogens has evo...
https://www.pnas.org/doi/suppl/10.1073/pnas.2421623122
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Augustinas Silale
Duncan Kountz
8 months ago
Here's the promised natural product preprint: Flavoaffinins, elusive cellulose-binding natural products from an anaerobic bacterium.
www.biorxiv.org/content/10.1...
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Augustinas Silale
Tracy Palmer
8 months ago
Fab new study from
@ruamicro.bsky.social
and team!
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Augustinas Silale
Andy Goodman
8 months ago
Starting my Bluesky adventure by highlighting a new paper from the lab!
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Kate Beckham
8 months ago
Still a few weeks left to apply for this. 💫 If you like membrane proteins, structural biology and biochemistry this PhD position might be for you 👀
www.findaphd.com/phds/project...
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PhD studentship: Structural and functional characterisation of mycobacterial outer membrane proteins at Newcastle University on FindAPhD.com
PhD Project - PhD studentship: Structural and functional characterisation of mycobacterial outer membrane proteins at Newcastle University, listed on FindAPhD.com
https://www.findaphd.com/phds/projectdetails.aspx?PJID=181239
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New preprint 🚨: with
@madejmar.bsky.social
we found that the Bacteroidetes beta-barrel assembly machinery is quite different to E. coli.
www.biorxiv.org/content/10.1...
#cryo-EM
8 months ago
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Augustinas Silale
Syma Khalid
8 months ago
Some exciting news, folks.
@timcoulson.bsky.social
and I have a new science podcast launching soon. Please do follow the account for updates. More details coming very soon!
add a skeleton here at some point
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Rémi Fronzes
8 months ago
We are very pleased to share our latest preprint on the architecture of the membrane complex of the type 7 secretion system involved in bacterial competition in B. subtilis.
#CryoEM
#microsky
add a skeleton here at some point
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Augustinas Silale
Ingo Greger
8 months ago
We're looking for a postdoc with a strong interest in the structure, function and cell biology of glutamate receptors and excitatory synapses.
www.nature.com/naturecareer...
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Postdoctoral Scientist - Cambridgeshire (GB) job with MRC Laboratory of Molecular Biology (LMB) | 12835302
Postdoctoral Scientist
https://www.nature.com/naturecareers/job/12835302/postdoctoral-scientist
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Kate Beckham
9 months ago
First post of the year to mark my return from maternity leave :) Excited to share the first open PhD position in my group. Deadline end of February. Please spread the word.
www.findaphd.com/phds/projectdetails.aspx?PJID=181239
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PhD studentship: Structural and functional characterisation of mycobacterial outer membrane proteins at Newcastle University on FindAPhD.com
PhD Project - PhD studentship: Structural and functional characterisation of mycobacterial outer membrane proteins at Newcastle University, listed on FindAPhD.com
https://www.findaphd.com/phds/projectdetails.aspx?PJID=181239
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Giusy Mariano
10 months ago
Over the moon to share some amazing news—I’ve been awarded an MRC Career Development Award to pursue my research at the University of Glasgow !! 🎉 Can’t wait to get started on this exciting new chapter. Stay tuned—I’ll soon be advertising a PDRA position!
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Dr Katherine Duncan
10 months ago
MIBiG 4.0: advancing biosynthetic gene cluster curation through global collaboration
academic.oup.com/nar/advance-...
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MIBiG 4.0: advancing biosynthetic gene cluster curation through global collaboration
Abstract. Specialized or secondary metabolites are small molecules of biological origin, often showing potent biological activities with applications in ag
https://academic.oup.com/nar/advance-article/doi/10.1093/nar/gkae1115/7919508
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Augustinas Silale
Jamie Blaza
10 months ago
Finally we are able to share our story on the molecular mechanism of the transformative anti-tuberculosis drug bedaquiline within living cells
www.biorxiv.org/content/10.1...
A (hopefully) broadly-accessible tutorial below ⬇️ (it ended up being really long!)
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bioRxiv Manuscript Processing System
Manuscript Processing System for bioRxiv.
https://submit.biorxiv.org/submission/submit
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Augustinas Silale
Syma Khalid
10 months ago
In a multidisciplinary study led by Georgina Benn and Tom Silhavy we show the role of OmpA in controlling the organisation of the outer membrane and in sharing the mechanical load.
www.pnas.org/doi/10.1073/...
.
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PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
https://www.pnas.org/doi/10.1073/pnas.2416426121
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Augustinas Silale
Phill Stansfeld
10 months ago
We have a couple of fully-funded PhD opportunities available, with
@hetsys.bsky.social
and MIBTP Doctoral training Centres. See here for more information:
stansfeldresearchgroup.wordpress.com/welcome/avai...
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Augustinas Silale
Tracy Palmer
10 months ago
Is this not the finest lab crafted Christmas tree decoration you’ve ever seen? Courtesy of Amy Tooke!
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Augustinas Silale
Matt Higgins
10 months ago
Heading down to
@wellcometrust.bsky.social
for a meeting of PhD program directors. We have been hugely grateful for 25 years support for our Structural Biology PhD program. Only this week I caught up with one of our previous students,
@augustsilale.bsky.social
, still making exciting discoveries!!
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Augustinas Silale
Tracy Palmer
11 months ago
Funded PhD available in my lab. Pls repost!
www.findaphd.com/phds/project...
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PhD studentship: Staphylococcus aureus interactions in cystic fibrosis polymicrobial infections at Newcastle University on FindAPhD.com
PhD Project - PhD studentship: Staphylococcus aureus interactions in cystic fibrosis polymicrobial infections at Newcastle University, listed on FindAPhD.com
https://www.findaphd.com/phds/project/phd-studentship-staphylococcus-aureus-interactions-in-cystic-fibrosis-polymicrobial-infections/?p176969
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Jamie Blaza
10 months ago
We have quite a range of PhD projects this year, covering cryo-EM methods, bacteriology/bioenergetics, and infection/antibiotics/vaccines. Would really appreciate if people can RT and share with their teams!
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Rémi Fronzes
10 months ago
A post-doc position available to work in Raffaele Ieva and our group. See image attached for more details.
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Augustinas Silale
Dr Katherine Duncan
10 months ago
Fully funded PhD available on this exciting interdisciplinary project - supervisory team: Denis Patterson (Durham Maths),
@blindmath.bsky.social
(Durham Maths),
@thecopperdoctor.bsky.social
(Durham Bio), and me (Newcastle Bio)
add a skeleton here at some point
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Augustinas Silale
Jessica Blair
11 months ago
Brilliant article by Despoina Mavridou and team in npj AMR clearly describing how MIC assays should be done so they are meaningful and reproducible.
www.nature.com/articles/s44...
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Antibiotic susceptibility testing using minimum inhibitory concentration (MIC) assays - npj Antimicrobials and Resistance
npj Antimicrobials and Resistance - Antibiotic susceptibility testing using minimum inhibitory concentration (MIC) assays
https://www.nature.com/articles/s44259-024-00051-6
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