Aditya Kamat
@adityakamat.bsky.social
📤 67
📥 103
📝 3
Postdoctoral fellow at Rudner Lab @harvardmed | PhD at Badrinarayanan Lab @NCBS_Bangalore
pinned post!
There's more to SOS response timing than the LexA repressor. In our preprint from the Anjana Badrinarayanan
@anjbadri.bsky.social
Lab, we uncover a new regulatory layer that imparts temporal structure to the bacterial SOS response.
www.biorxiv.org/content/10.1...
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Variability in intrinsic promoter strength underlies the temporal hierarchy of the Caulobacter SOS response induction
Bacteria encode for gene regulatory networks crucial for sensing and repairing DNA damage. Upon exposure to genotoxic stress, these transcriptional networks are induced in a temporally structured mann...
https://www.biorxiv.org/content/10.1101/2025.01.26.634973v1
9 months ago
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Tung Le
4 days ago
new preprint from our group & Antoine Hocher:
www.biorxiv.org/content/10.1...
A fantastic collaboration with Antoine, with Jovana Kaljevic' initiated the collaboration and drives the project.
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Versatile NTP recognition and domain fusions expand the functional repertoire of the ParB-CTPase fold beyond chromosome segregation
Nucleotide triphosphate (NTP)-dependent molecular switches regulate essential cellular processes by cycling between active and inactive states through nucleotide binding and hydrolysis. These mechanis...
https://www.biorxiv.org/content/10.1101/2025.10.10.680097v1
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Tung Le
12 days ago
Independent research fellowships leading to tenured positions at the John Innes Centre. Repost = nice. Thank you very much!!!
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Erin Goley
25 days ago
🚨🚨🚨Calling all Caulophiles and Alpha aficionados - stayed tuned for a virtual CauloCon in early 2026. And HOPEFULLY an in person alpha meeting in 2027!! DM me or
@chienlab.bsky.social
w questions or to stay in the know.
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Géraldine Laloux
28 days ago
🚨New paper out!
#MicroSky
Studying obligate predators like Bdellovibrio bacteriovorus is tricky—essential genes for predation are also essential for survival. We expanded its genetic toolbox: 🧬promoters to fine-tune expression 🧬IPTG-inducible system 🧬CRISPRi for rapid knockdown
bit.ly/46GUn2c
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Expanding the genetic toolbox of the obligate predatory bacterium Bdellovibrio bacteriovorus with inducible gene expression and CRISPR interference
Inducible gene expression and CRISPR interference-mediated depletion in the predatory bacterium Bdellovibrio bacteriovorus.
https://academic.oup.com/microlife/article/doi/10.1093/femsml/uqaf021/8245127
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Ákos T Kovács
about 2 months ago
N6-methyladenine modification of DNA enhances RecA-mediated homologous recombination
www.pnas.org/doi/10.1073/...
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N6-methyladenine modification of DNA enhances RecA-mediated homologous recombination | PNAS
Both DNA methylation and homologous recombination (HR) are extensively studied. In bacteria, Dam methylation is the most studied DNA modification, ...
https://www.pnas.org/doi/10.1073/pnas.2508652122
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Sonja-Verena Albers
about 2 months ago
🚨 Imagine a bacterium that refuses to follow the textbook: It grows as tangled filaments, divides unevenly, reshapes its own membranes… and even builds grappling hooks. Meet Litorilinea aerophila — and here’s why it blew our minds.
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Young Biophysicists Meeting
about 2 months ago
Biophysics enthusiasts, do consider applying for the seventh session of YBM! Submit your abstracts by 20th August.
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Géraldine Laloux
3 months ago
#MicroSky
Summer read! Predatory bacteria kill and eat other bacteria. Their deadly actions come in many flavors, often via direct physical contact between predator & prey 🧛 How do they do it? Our review 📖
@coralietesseur.bsky.social
@ysantin.bsky.social
www.sciencedirect.com/science/arti...
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Strategies and mechanisms of contact-dependent predation in bacteria
Predatory bacteria kill other bacteria to acquire nutrients. Among diverse strategies to kill and feed on prey, contact-dependent predation stands out…
https://www.sciencedirect.com/science/article/pii/S136952742500061X
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Daniela Barillà
3 months ago
And the story is published now!🍾
www.nature.com/articles/s41...
Open access link:
rdcu.be/exnOc
Many years in the making, great collaboration with
@archaellum.bsky.social
&
@tunglejic.bsky.social
Thanks
@ukri.org
BBSRC &
@leverhulme.ac.uk
for funding, reviewers & editor!! 🙏
#microsky
#archaeasky
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Young Biophysicists Meeting
3 months ago
Theoretical physics enthusiasts, do consider submitting an abstract for the upcoming sixth YBM! Submit your abstracts here:
t.co/W1qGraRpAc
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Aditya Kamat
Mo lab
3 months ago
In
@elife.bsky.social
: Bacteriophage infection drives loss of β-lactam resistance in methicillin-resistant Staphylococcus aureus
doi.org/10.7554/eLif...
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Bacteriophage infection drives loss of β-lactam resistance in methicillin-resistant Staphylococcus aureus
In methicillin-resistant Staphylococcus aureus, evolution of bacteriophage resistance causes trade-offs that re-sensitize the bacteriato β-lactam antibiotics.
https://doi.org/10.7554/eLife.102743
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Susan Schlimpert
3 months ago
Happy to see our collaborative work on the contractile injection system (CIS) in Streptomyces published. We show that the membrane protein CisA gives Streptomyces CIS a licence to kill.
@pilhoferlab.bsky.social
& Bastien Casu,
@joesallmen.bsky.social
#MicroSky
elifesciences.org/articles/104...
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Function and firing of the Streptomyces coelicolor contractile injection system requires the membrane protein CisA
CryoEM, genetic, and cell biological analyses reveal that the conserved membrane protein CisA mediates membrane recruitment of contractile injection systems Streptomyces coelicolor, enabling their act...
https://elifesciences.org/articles/104064
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Young Biophysicists Meeting
3 months ago
The fifth session of YBM is coming up next week. Join us for two exciting talks on Monday (7th July) at 11am (EDT). Mark your calendars🗓️:
tinyurl.com/29b7yk47
Meeting link:
shorturl.at/0ng5A
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Aditya Kamat
Tung Le
3 months ago
Finally published! Many thanks to the reviewers and editor whose comments & suggestions improved this work significantly more than the first preprint version!!!
www.pnas.org/doi/10.1073/...
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Expanding the diversity of bacterial DNA partitioning: A CTP-independent ParABS system for plasmid partitioning in Streptomyces | PNAS
The ATP- and CTP-dependent ParA-ParB-parS segrosome is a macromolecular complex that segregates chromosomes/plasmids in most bacterial species. CTP...
https://www.pnas.org/doi/10.1073/pnas.2406398122
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Amelia McKitterick
4 months ago
The excitement continues! Check out my latest preprint examining how phages have adapted to lyse different bacterial envelopes. I found a lysis gene (lysZ) that is conserved in phages that infect corynebacteria mycobacteria, and other actinos.
www.biorxiv.org/content/10.1...
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Bacteriophages target membrane-anchored glycopolymers to promote host cell lysis and progeny release
Most bacteriophages lyse their host cell to release progeny virions. Double-stranded DNA phages typically promote host lysis using a holin-endolysin system. Holins form pores in the cytoplasmic membra...
https://www.biorxiv.org/content/10.1101/2025.06.24.661397v1
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Amelia McKitterick
4 months ago
I'm pleased to announce that I will be starting my lab as an Assistant Professor at UMass Chan Medical School in August! My group will study phages that infect corynebacteria and mycobacteria to understand bacterial cell envelope assembly and phage gene function. Website and more info to come soon!
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National Centre for Biological Sciences, Bengaluru
4 months ago
#PhDone
! 🎓 Congratulations Dr Shivangi Verma! 🎊
@shivangiv10.bsky.social
from Prof Vatsala Thirumalai's lab successfully defended her thesis! 🧵👇Check out the thread to learn more about her work on understanding how neuronal networks are sculpted in the cerebellum during development 🧠 (1/5)
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anna brogan
4 months ago
Very happy to share that a large part of my thesis work is out today: B. subtilis uses the second messenger c-di-AMP to modulate its turgor pressure in response to the state of its cell envelope.
www.nature.com/articles/s41...
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Cyclic-di-AMP modulates cellular turgor in response to defects in bacterial cell wall synthesis - Nature Microbiology
Brogan et al. uncover a signalling pathway in which levels of the nucleotide second messenger c-di-AMP increase in response to defects in cell wall synthesis. This regulatory pathway decreases turgor ...
https://www.nature.com/articles/s41564-025-02027-2
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Jan-Willem Veening
4 months ago
Some positive news in troubled times: New preprint by Vincent de Bakker, Xue Liu
@jonbakerlab.bsky.social
Infection-mimicking conditions+transcriptomics/proteomics/'essentialomics'/lipidomics shows many cool things!
www.biorxiv.org/content/10.1...
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Multi-omics profiling reveals atypical sugar utilization and identifies a key membrane composition regulator in Streptococcus pneumoniae
The human body comprises many different microenvironments, each with their own challenges for microorganisms to overcome in order to survive, and possibly cause infection. The human pathogen Streptoco...
https://www.biorxiv.org/content/10.1101/2025.06.13.659575v1
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Jie Xiao
4 months ago
Join us at the BPS Thematic Meeting on Spatial Organizations of Biological Functions in beautiful Bangalore, India! The early registration deadline is July 21st, 2025.
www.biophysics.org/meetings-eve...
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Yves Brun lab
4 months ago
How does your favorite species elongate? 🧵 "Phenotypic plasticity in bacterial elongation among closely related species". Happy to see this paper in print
@natcomms.nature.com
. Nice work by
@mariedelaby.bsky.social
, Liu Yang et al. See original 🧵, different colours, same data and conclusions.
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Starting in 15 minutes...
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4 months ago
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Aditya Kamat
Contamination Club
4 months ago
🚨 Very excited to finally say… 🚨 The story of Noodlococcus - the contaminant that started ContamClub - is available to read 📖🍜🦠 Check it out ➡️
doi.org/10.1101/2025...
1/15 🧵
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Stefano Martiniani
5 months ago
🚀 Satyam and Guanming’s “Emergent Universal Long Range Structure in Random-Organizing Systems” shows noise correlations create long-range structure, from 🧩 hyperuniform materials to 🤖 ML, and that SGD’s flat minima bias is universal. 👇
arxiv.org/abs/2505.22933
#SoftMatter
#ML
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Emergent universal long-range structure in random-organizing systems
Self-organization through noisy interactions is ubiquitous across physics, mathematics, and machine learning, yet how long-range structure emerges from local noisy dynamics remains poorly understood. ...
https://arxiv.org/abs/2505.22933
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Ethan Garner
5 months ago
I’m excited that the work by Diego Ramirez and Lei Yin is out, where they gained several key insights into what provides the force underlying bacterial cell division
doi.org/10.1101/2025...
. To divide, cells must first bend the membrane inward, a process that’s energetically expensive
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The interplay of membrane tension and FtsZ filament condensation on the initiation and progression of cell division in B. subtilis
The first step of cell division is deforming the planar cell membrane inward towards the cytoplasm. As deforming membranes is energetically costly, biology has developed various protein systems to acc...
https://doi.org/10.1101/2025.05.18.654715
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Deadline to apply is just around the corner!
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5 months ago
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Bruno Luviano
5 months ago
Same genome, different shape, different outcome. SOS-independent phenotypic differences shape survival in E. coli. Very happy to share our preprint!
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Tung Le
5 months ago
1/ Excited to share our latest work on gene transfer agents (GTAs) in Caulobacter crescentus, led by Emma Banks in collaboration with Pavol Bardy and Mai Nguyen from York!!! See a brief thread below.
shorturl.at/o6S1w
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A bacterial CARD-NLR immune system controls the release of gene transfer agents
Bacteria have evolved a wide array of immune systems to detect and defend against external threats including mobile genetic elements (MGEs) such as bacteriophages, plasmids, and transposons. MGEs are ...
https://shorturl.at/o6S1w
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Young Biophysicists Meeting
5 months ago
Huge thanks to all the incredible speakers who have shared their research at the Young Biophysicists Meeting so far! Here's a glimpse. See you in the next session!
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Suckjoon Jun’s lab at UCSD
5 months ago
Our paper on the E. coli Min system in vivo with
@physicsoflifelmu.bsky.social
& Judy Kim (UCSD) has been published in Nature Physics today. Tight integration of experiment and theory, and physiology and biophysics. Incredible perseverance of our young students.
rdcu.be/ekIpO
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Robust and resource-optimal dynamic pattern formation of Min proteins in vivo
Nature Physics - Oscillatory Min protein patterns prevent abnormal bacterial cell division. Now it is shown that Min pattern formation is resource efficient and involves wavelength-invariant...
https://rdcu.be/ekIpO
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Young Biophysicists Meeting
6 months ago
Mark your calendars!! 🗓️ The third Young Biophysicists Meeting will be held on the coming Monday (May 5th) from 11am - 12pm EST. We have four exciting talks lined up for you, see you all soon! Find out more :
shorturl.at/4oKNe
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Anjana Badrinarayanan
6 months ago
Happy to share Asha Joseph and Inchara Adhikashreni's latest work from the lab, describing replisome speed variation in Caulobacter!
www.cell.com/current-biol...
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Live tracking of replisomes reveals nutrient-dependent regulation of replication elongation rates in Caulobacter crescentus
Adhikashreni et al. use quantitative live-cell imaging to track cell-cycle dynamics in hundreds of individual bacteria. They observe nutrient-dependent regulation of replication elongation rates that ...
https://www.cell.com/current-biology/abstract/S0960-9822(25)00294-5?rss=yes
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Aditya Kamat
Young Biophysicists Meeting
6 months ago
Mark your calendars!! 🗓️ The second Young Biophysicists Meeting will be held on the coming Monday (April 7th) from 11am - 12pm EST. We have three exciting talks lined up for you, see you all soon! Find out more :
shorturl.at/4oKNe
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Shashank Shekhar lab
7 months ago
📢Excited to share our new paper in Nature Physics
@naturephysics.bsky.social
: Cooperative hydrodynamics accompany multicellular-like colonial organization in the unicellular Stentor! How do single-celled organisms benefit from teamwork? Let’s dive in!
#Multicellularity
nature.com/articles/s41...
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Kathrin Fröhlich
7 months ago
Excited to share our new preprint on an RNA sponge counteracting sibling sRNAs in Caulobacter! Laura Vogt and
@mvelascogomariz.bsky.social
used RILseq, RNA biochemistry and great commitment to work out this story!
www.researchsquare.com/article/rs-6...
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David Grimm
7 months ago
The alemdro tree doesn't just survive lightning strikes--it appears to use the electricity to fry parasites and kill competitors. Fascinating story by
@erikstokstad.bsky.social
for
@science.org
!
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Shocker: This tropical tree thrives after being struck by lightning
The almendro withstands thunderbolts that blast away parasitic vines
https://www.science.org/content/article/shocker-tropical-tree-thrives-after-being-struck-lightning
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Aditya Kamat
Young Biophysicists Meeting
8 months ago
Mark your calendars!! 🗓️ The first Young Biophysicists Meeting will be held on the coming Monday (March 3rd) from 11am - 12pm EST. We have four exciting talks lined up for you, see you all soon! Find out more :
shorturl.at/4oKNe
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Veronika Kivenson
11 months ago
We discovered the first alternative genetic code in Archaea!
www.biorxiv.org/content/10.1...
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Sporadic distribution of a new archaeal genetic code with all TAG codons as pyrrolysine
Numerous genetic codes developed during the evolution of Eukaryotes and three are known in Bacteria, yet no alternative genetic code has been established for Archaea. Some bacterial and archaeal prote...
https://www.biorxiv.org/content/10.1101/2024.09.30.615893v1
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bioRxiv Microbiology
8 months ago
DdiA, an XRE family transcriptional regulator, regulates a LexA-independent DNA damage response in Myxococcus xanthus
https://www.biorxiv.org/content/10.1101/2025.02.19.639066v1
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Tung Le
8 months ago
New insights into chromosome segregation in archaeal Sulfolobus. Great work from Barilla lab et al, with contribution from Ngat Tran & Parul Pal in our lab.
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Michael Glickman
8 months ago
Important paper from the Weber-Ban lab about the mechanism of activation of PafBC in the mycobacterial DNA damage response. Single-stranded DNA binding to the transcription factor PafBC triggers the mycobacterial DNA damage response | Science Advances
www.science.org/doi/10.1126/...
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Single-stranded DNA binding to the transcription factor PafBC triggers the mycobacterial DNA damage response
The structure of PafBC in its active conformation reveals the binding mode of the activating ligand at the PafBC WYL domains.
https://www.science.org/doi/10.1126/sciadv.adq9054
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Anjana Badrinarayanan
8 months ago
When does a DNA polymerase degrade DNA? Read Akshaya’s work from the lab to find out more!
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Andrew Savinov
8 months ago
Happy to announce that our paper on systematically discovering peptides to inhibit protein-protein interactions in living cells is out now
@pnas.org
:
www.pnas.org/doi/10.1073/...
. @MITBiology
@hhmi.bsky.social
See thread on the updated preprint for details:
x.com/bioSavinov/s...
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https://www.pnas.org/doi/10.1073/pnas.2322412122
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Tung Le
8 months ago
Cool “Behind the paper” article on our recent KorB-KorA sliding clamp-locking clamp story. I remember Chris Thomas and Lewis Bingle (Birmingham) taught me about these proteins when I was an undergrad, and I kept remembering they said the mechanism was not clear!!!
www.nature.com/articles/s41...
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Sliding clamp protein enables long-range gene silencing in a bacterial plasmid - Nature Microbiology
Long-distance gene regulation is uncommon in bacteria, and its molecular mechanisms are unclear. Using a combination of structural, biochemical and single-molecule techniques, researchers revealed tha...
https://www.nature.com/articles/s41564-025-01924-w
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There's more to SOS response timing than the LexA repressor. In our preprint from the Anjana Badrinarayanan
@anjbadri.bsky.social
Lab, we uncover a new regulatory layer that imparts temporal structure to the bacterial SOS response.
www.biorxiv.org/content/10.1...
loading . . .
Variability in intrinsic promoter strength underlies the temporal hierarchy of the Caulobacter SOS response induction
Bacteria encode for gene regulatory networks crucial for sensing and repairing DNA damage. Upon exposure to genotoxic stress, these transcriptional networks are induced in a temporally structured mann...
https://www.biorxiv.org/content/10.1101/2025.01.26.634973v1
9 months ago
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Shivangi Verma
9 months ago
Excited to share the preprint of my PhD work in Vatsala's lab at NCBS_Bangalore! Find more about why removing synaptic connections during development is just as important as making new ones!!🧠✂️
#zebrafish
#cerebellum
#Neuroscience
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