Jaana Mannik
@jaanamannik.bsky.social
Cell & molecular biologist. Biophysics research @Univ. of Tennessee, Knoxville.
volweb.utk.edu/~jmannik/
Unraveling the self-assembly process of cell division machinery in E. coli.
volweb.utk.edu/~jmannik/
Unraveling the self-assembly process of cell division machinery in E. coli.
Reposted by Jaana Mannik
🆕 Vacancy! We are looking for an exceptional scientist with a research focus on nutrition and microbiome-based interventions for the prevention and management of obesity to join our Food, Microbiome and Health research programme.
💷 Competitive
🗓️ Apply by 18 January 2026
➡️ buff.ly/5CIkq6J
💷 Competitive
🗓️ Apply by 18 January 2026
➡️ buff.ly/5CIkq6J
November 24, 2025 at 10:00 AM
🆕 Vacancy! We are looking for an exceptional scientist with a research focus on nutrition and microbiome-based interventions for the prevention and management of obesity to join our Food, Microbiome and Health research programme.
💷 Competitive
🗓️ Apply by 18 January 2026
➡️ buff.ly/5CIkq6J
💷 Competitive
🗓️ Apply by 18 January 2026
➡️ buff.ly/5CIkq6J
Reposted by Jaana Mannik
Reposted by Jaana Mannik
Extrusion- modulated DnaA activity
oscillations coordinate DNA replication
with biomass growth
doi.org/10.7554/eLif...
oscillations coordinate DNA replication
with biomass growth
doi.org/10.7554/eLif...
November 24, 2025 at 2:46 PM
Extrusion- modulated DnaA activity
oscillations coordinate DNA replication
with biomass growth
doi.org/10.7554/eLif...
oscillations coordinate DNA replication
with biomass growth
doi.org/10.7554/eLif...
Reposted by Jaana Mannik
An archaeal genetic code with all TAG codons as pyrrolysine www.science.org/doi/abs/10.1... #jcampubs
An archaeal genetic code with all TAG codons as pyrrolysine
Multiple genetic codes developed during the evolution of eukaryotes and bacteria, yet no alternative genetic code is known for archaea. We used proteomics to confirm our prediction that certain archae...
www.science.org
November 21, 2025 at 4:20 PM
An archaeal genetic code with all TAG codons as pyrrolysine www.science.org/doi/abs/10.1... #jcampubs
Reposted by Jaana Mannik
Sharing this important article... for no reason whatsoever.
"We must also continue to deepen and refine our understanding of fundamental biological processes because these details frequently hold the keys to major advances in applied research."
elifesciences.org/articles/102...
"We must also continue to deepen and refine our understanding of fundamental biological processes because these details frequently hold the keys to major advances in applied research."
elifesciences.org/articles/102...
November 23, 2025 at 12:21 AM
Sharing this important article... for no reason whatsoever.
"We must also continue to deepen and refine our understanding of fundamental biological processes because these details frequently hold the keys to major advances in applied research."
elifesciences.org/articles/102...
"We must also continue to deepen and refine our understanding of fundamental biological processes because these details frequently hold the keys to major advances in applied research."
elifesciences.org/articles/102...
Reposted by Jaana Mannik
Faculty Position: Neurocomputation
Apply by December 1, 2025
WTI invites those from mathematical, computational, and related fields interested in working with experimentalists to develop new frameworks for understanding cognition.
🔗 wti.yale.edu/opportunities/faculty-neurocomputation
Apply by December 1, 2025
WTI invites those from mathematical, computational, and related fields interested in working with experimentalists to develop new frameworks for understanding cognition.
🔗 wti.yale.edu/opportunities/faculty-neurocomputation
November 17, 2025 at 3:37 PM
Faculty Position: Neurocomputation
Apply by December 1, 2025
WTI invites those from mathematical, computational, and related fields interested in working with experimentalists to develop new frameworks for understanding cognition.
🔗 wti.yale.edu/opportunities/faculty-neurocomputation
Apply by December 1, 2025
WTI invites those from mathematical, computational, and related fields interested in working with experimentalists to develop new frameworks for understanding cognition.
🔗 wti.yale.edu/opportunities/faculty-neurocomputation
Reposted by Jaana Mannik
Happy to share our most recent work www.pnas.org/doi/10.1073/.... Here we describe how efficient DNA replication in E. coli is dependent on an interaction between SSB-ssDNA and the DNA polymerase (Pol III). Thanks to all the co-authors for their hard work!
Genome integrity relies on rapid recycling of DNA Pol III in bacteria | PNAS
DNA replication requires precise coordination between DNA unwinding and DNA synthesis.
In all domains of life, protein–protein interactions at the ...
www.pnas.org
November 20, 2025 at 4:54 PM
Happy to share our most recent work www.pnas.org/doi/10.1073/.... Here we describe how efficient DNA replication in E. coli is dependent on an interaction between SSB-ssDNA and the DNA polymerase (Pol III). Thanks to all the co-authors for their hard work!
Reposted by Jaana Mannik
Bacterial networks #BacNet26 in September 2026 will be chaired by @lalouxlab.bsky.social and co-chaired by @s-lab.bsky.social with @coralietesseur.bsky.social
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
November 20, 2025 at 8:47 AM
Bacterial networks #BacNet26 in September 2026 will be chaired by @lalouxlab.bsky.social and co-chaired by @s-lab.bsky.social with @coralietesseur.bsky.social
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
Sneak peak on invited speakers and preliminary program:
meetings.embo.org/event/26-bac...
Reposted by Jaana Mannik
Join us in Colorado next spring for the Keystone Symposia “Beyond #Antibiotics: Emerging Strategies Combating #BacterialInfection”. Registrations are now open! Details below ⬇️
Registration is now open for @keystonesymposia.bsky.social "Beyond #Antibiotics: Emerging Strategies Combating #BacterialInfection." Deadline for scholarships and abstract selected short talks is Jan 7! Join us this May for an amazing meeting! keysym.us/KSBeyondAntibiotics26 #KSBeyondAntibiotics26
Beyond Antibiotics: Emerging Strategies for Combating Bacterial Infection | Keystone Symposia
Join us at the Keystone Symposia on Beyond Antibiotics: Emerging Strategies for Combating Bacterial Infection, May 2026, in Breckenridge, with field leaders!
keysym.us
November 19, 2025 at 5:59 PM
Join us in Colorado next spring for the Keystone Symposia “Beyond #Antibiotics: Emerging Strategies Combating #BacterialInfection”. Registrations are now open! Details below ⬇️
Reposted by Jaana Mannik
Equipositioning of Chromosomes in the Polyploid Archaeon Haloferax volcanii by HpaAB https://www.biorxiv.org/content/10.1101/2025.11.19.689047v1
November 19, 2025 at 4:18 PM
Equipositioning of Chromosomes in the Polyploid Archaeon Haloferax volcanii by HpaAB https://www.biorxiv.org/content/10.1101/2025.11.19.689047v1
Reposted by Jaana Mannik
🚨Job claxon 🚨
University College Cork is looking to appoint a lecturer in Medical Microbiology into a permanent, non-clinical post
A great opportunity in a microbiology powerhouse
For details go to my.corehr.com/pls/uccrecru... and enter reference number 092153
University College Cork is looking to appoint a lecturer in Medical Microbiology into a permanent, non-clinical post
A great opportunity in a microbiology powerhouse
For details go to my.corehr.com/pls/uccrecru... and enter reference number 092153
University College Cork Vacancies
my.corehr.com
November 18, 2025 at 10:55 PM
🚨Job claxon 🚨
University College Cork is looking to appoint a lecturer in Medical Microbiology into a permanent, non-clinical post
A great opportunity in a microbiology powerhouse
For details go to my.corehr.com/pls/uccrecru... and enter reference number 092153
University College Cork is looking to appoint a lecturer in Medical Microbiology into a permanent, non-clinical post
A great opportunity in a microbiology powerhouse
For details go to my.corehr.com/pls/uccrecru... and enter reference number 092153
Reposted by Jaana Mannik
🎉We have announced a new professorship at the University of Gothenburg 🇸🇪 to celebrate our Crown Princess’s 50th birthday!
🌿Broad focus on biodiversity — from microbes to modelling
📢A fantastic opportunity for researchers working across scales and disciplines!
🔗 web103.reachmee.com/ext/I005/103...
🌿Broad focus on biodiversity — from microbes to modelling
📢A fantastic opportunity for researchers working across scales and disciplines!
🔗 web103.reachmee.com/ext/I005/103...
The Crown Princess Victoria Professorship in Biodiversity
Professorship in Biodiversity.
The University of Gothenburg hereby announces a unique and prestigious position – the
web103.reachmee.com
October 3, 2025 at 5:29 AM
🎉We have announced a new professorship at the University of Gothenburg 🇸🇪 to celebrate our Crown Princess’s 50th birthday!
🌿Broad focus on biodiversity — from microbes to modelling
📢A fantastic opportunity for researchers working across scales and disciplines!
🔗 web103.reachmee.com/ext/I005/103...
🌿Broad focus on biodiversity — from microbes to modelling
📢A fantastic opportunity for researchers working across scales and disciplines!
🔗 web103.reachmee.com/ext/I005/103...
Reposted by Jaana Mannik
Update on a significant development NIH grant terms.
On 10/1, a change to grant making regs went into effect that gives NIH more power to terminate grants for policy reasons.
But to use this power, new grant terms must include specific language. See @aniloza.bsky.social w/ the story from July.
1/
On 10/1, a change to grant making regs went into effect that gives NIH more power to terminate grants for policy reasons.
But to use this power, new grant terms must include specific language. See @aniloza.bsky.social w/ the story from July.
1/
HHS devises legal playbook for future grant terminations, internal memo shows
Exclusive: HHS devises a legal playbook for future research grant terminations, an internal memo shows.
www.statnews.com
November 19, 2025 at 1:35 PM
Update on a significant development NIH grant terms.
On 10/1, a change to grant making regs went into effect that gives NIH more power to terminate grants for policy reasons.
But to use this power, new grant terms must include specific language. See @aniloza.bsky.social w/ the story from July.
1/
On 10/1, a change to grant making regs went into effect that gives NIH more power to terminate grants for policy reasons.
But to use this power, new grant terms must include specific language. See @aniloza.bsky.social w/ the story from July.
1/
Reposted by Jaana Mannik
Are you looking to establish yourself as a scientific group leader? BRIC is recruiting 1-2 junior group leaders to join our research centre in the heart of Copenhagen.
See more at www.bric.ku.dk
Please repost and get in touch if you are curious.
See more at www.bric.ku.dk
Please repost and get in touch if you are curious.
November 19, 2025 at 3:17 PM
Are you looking to establish yourself as a scientific group leader? BRIC is recruiting 1-2 junior group leaders to join our research centre in the heart of Copenhagen.
See more at www.bric.ku.dk
Please repost and get in touch if you are curious.
See more at www.bric.ku.dk
Please repost and get in touch if you are curious.
Reposted by Jaana Mannik
EarlyBird & Talk Submission Deadline for our Prokaryotic Cell Biology Conference is just around the corner, dont leave it too late to register and submit your abstract!
Register or send your abstract to amy@fusion-conferences.com before 12th January for consideration!
➡️https://bit.ly/4plmKtr
Register or send your abstract to amy@fusion-conferences.com before 12th January for consideration!
➡️https://bit.ly/4plmKtr
November 19, 2025 at 3:55 PM
EarlyBird & Talk Submission Deadline for our Prokaryotic Cell Biology Conference is just around the corner, dont leave it too late to register and submit your abstract!
Register or send your abstract to amy@fusion-conferences.com before 12th January for consideration!
➡️https://bit.ly/4plmKtr
Register or send your abstract to amy@fusion-conferences.com before 12th January for consideration!
➡️https://bit.ly/4plmKtr
Reposted by Jaana Mannik
Calling all rising juniors & seniors: Interested in biological or biomedical research? Applications for our ’26 Summer Undergraduate Research Experience Program are now open! Nine weeks, hands-on research, & mentorship from some of the nation’s top scientists — learn more: bit.ly/CechFellows
Summer Undergraduate Research Experience | HHMI
The Cech Fellows Program is a paid, nine-week summer research experience empowering the next generation of scientific leaders.
bit.ly
November 18, 2025 at 2:44 PM
Calling all rising juniors & seniors: Interested in biological or biomedical research? Applications for our ’26 Summer Undergraduate Research Experience Program are now open! Nine weeks, hands-on research, & mentorship from some of the nation’s top scientists — learn more: bit.ly/CechFellows
Reposted by Jaana Mannik
Struggling to get your head around some fundamental techniques in biochemistry or wondering where to start developing your knowledge? Have a look at our easy-to-follow Beginner's Guide series in The Biochemist Journal for a wide variety of guides! 🧪 buff.ly/ZO4zyU4
November 18, 2025 at 2:03 PM
Struggling to get your head around some fundamental techniques in biochemistry or wondering where to start developing your knowledge? Have a look at our easy-to-follow Beginner's Guide series in The Biochemist Journal for a wide variety of guides! 🧪 buff.ly/ZO4zyU4
Reposted by Jaana Mannik
how to breathe oxygen at a distance? the cable bacteria apparently know the trick: wired...
#MicroSky
#MicroSky
Metal scaffolds turn bacteria into live wires
Mud-dwelling cable bacteria construct metal organic frameworks to grow
www.science.org
November 17, 2025 at 5:39 PM
how to breathe oxygen at a distance? the cable bacteria apparently know the trick: wired...
#MicroSky
#MicroSky
Reposted by Jaana Mannik
Reflection as we begin #WorldAntimicrobialAwarenessWeek #WAAW
🔴 #AMR is a growing global emergency
🔴 Solutions must go beyond prescribing #diagnostics #access #prevention
🔴 No one is safe until everyone is safe, solutions must reach all
www.thelancet.com/journals/lan...
#episky #microsky @msf.ca
🔴 #AMR is a growing global emergency
🔴 Solutions must go beyond prescribing #diagnostics #access #prevention
🔴 No one is safe until everyone is safe, solutions must reach all
www.thelancet.com/journals/lan...
#episky #microsky @msf.ca
Antimicrobial resistance: a concise update
Antimicrobial resistance (AMR) is a serious threat to global public health, with approximately
5 million deaths associated with bacterial AMR in 2019. Tackling AMR requires a multifaceted
and cohesive...
www.thelancet.com
November 18, 2025 at 6:09 AM
Reflection as we begin #WorldAntimicrobialAwarenessWeek #WAAW
🔴 #AMR is a growing global emergency
🔴 Solutions must go beyond prescribing #diagnostics #access #prevention
🔴 No one is safe until everyone is safe, solutions must reach all
www.thelancet.com/journals/lan...
#episky #microsky @msf.ca
🔴 #AMR is a growing global emergency
🔴 Solutions must go beyond prescribing #diagnostics #access #prevention
🔴 No one is safe until everyone is safe, solutions must reach all
www.thelancet.com/journals/lan...
#episky #microsky @msf.ca
Reposted by Jaana Mannik
📢Check out our latest #preprint list on FocalPlane
This list focusses on the latest research on bioimage analysis and data management. Let us know if there are any preprints that we should add to our list and send us recommendation for the next one!
focalplane.biologists.com/2025/11/14/m...
This list focusses on the latest research on bioimage analysis and data management. Let us know if there are any preprints that we should add to our list and send us recommendation for the next one!
focalplane.biologists.com/2025/11/14/m...
Microscopy preprints – bioimage analysis - FocalPlane
Microscopy preprints – bioimage analysis - News
focalplane.biologists.com
November 18, 2025 at 10:07 AM
📢Check out our latest #preprint list on FocalPlane
This list focusses on the latest research on bioimage analysis and data management. Let us know if there are any preprints that we should add to our list and send us recommendation for the next one!
focalplane.biologists.com/2025/11/14/m...
This list focusses on the latest research on bioimage analysis and data management. Let us know if there are any preprints that we should add to our list and send us recommendation for the next one!
focalplane.biologists.com/2025/11/14/m...
Reposted by Jaana Mannik
We're hiring! My dept. is looking for a candidate with a research program focusing on plant systems. All areas of molecular and cellular biology research will be considered. Not sure if you'd fit? Reach out to me. Please share! #microsky
November 17, 2025 at 6:18 PM
We're hiring! My dept. is looking for a candidate with a research program focusing on plant systems. All areas of molecular and cellular biology research will be considered. Not sure if you'd fit? Reach out to me. Please share! #microsky
Reposted by Jaana Mannik
🎉🎊🙌 😎
We built GenoPHI: a machine learning workflow that predicts phage-host interactions at strain level. This could help rapidly select phages to treat drug-resistant bacterial infections or for microbiome engineering without exhaustive lab testing.
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
www.biorxiv.org
November 17, 2025 at 12:15 AM
🎉🎊🙌 😎
Reposted by Jaana Mannik
🌹🔬🤩
Our new paper is published in the Journal of Chemical Biology! 🏮 We share StayRose, a red version of StayGold 🏮 StayRose has an unnatural amino acid-based chromophore, and has the same immense photobleach-resistance as StayGold 💡
StayRose: A photostable StayGold derivative redshifted by genetic code expansion
Photobleaching of fluorescent proteins often limits the acquisition of high-quality
images in microscopy. StayGold, a novel dimeric GFP recently monomerized through sequence
engineering, addresses thi...
www.jbc.org
November 17, 2025 at 9:37 AM
🌹🔬🤩
Reposted by Jaana Mannik
📢Electron Microscopy Unit, Helsinki BioImaging, and ZEISS are organizing a symposium "Frontiers in Imaging: celebrating the EMBI-ZEISS partnership on volumeEM"
🗓️December 2-3, 2025
📍Institute of Biotechnology, University of Helsinki
🔗Program and registration link⤵️
www.helsinki.fi/en/infrastru...
🗓️December 2-3, 2025
📍Institute of Biotechnology, University of Helsinki
🔗Program and registration link⤵️
www.helsinki.fi/en/infrastru...
November 10, 2025 at 10:49 AM
📢Electron Microscopy Unit, Helsinki BioImaging, and ZEISS are organizing a symposium "Frontiers in Imaging: celebrating the EMBI-ZEISS partnership on volumeEM"
🗓️December 2-3, 2025
📍Institute of Biotechnology, University of Helsinki
🔗Program and registration link⤵️
www.helsinki.fi/en/infrastru...
🗓️December 2-3, 2025
📍Institute of Biotechnology, University of Helsinki
🔗Program and registration link⤵️
www.helsinki.fi/en/infrastru...
Reposted by Jaana Mannik
Curious about plasmid biology? Our latest paper is out now in Nature Communications! 🚨
doi.org/10.1038/s414...
We analyzed thousands of diverse bacterial plasmids to shed light for the first time on a key aspect of plasmid biology: plasmid copy number. 1/7 👇
doi.org/10.1038/s414...
We analyzed thousands of diverse bacterial plasmids to shed light for the first time on a key aspect of plasmid biology: plasmid copy number. 1/7 👇
Universal rules govern plasmid copy number - Nature Communications
Plasmids exhibit a broad range of sizes and copies per cell, and these two parameters appear to be negatively correlated. Here, Ramiro-Martínez et al. analyse the copy number of thousands of diverse b...
doi.org
July 2, 2025 at 10:07 AM
Curious about plasmid biology? Our latest paper is out now in Nature Communications! 🚨
doi.org/10.1038/s414...
We analyzed thousands of diverse bacterial plasmids to shed light for the first time on a key aspect of plasmid biology: plasmid copy number. 1/7 👇
doi.org/10.1038/s414...
We analyzed thousands of diverse bacterial plasmids to shed light for the first time on a key aspect of plasmid biology: plasmid copy number. 1/7 👇