Franklin Nobrega's Avatar

Franklin Nobrega

@fnobrega.bsky.social

Phage Biology, Bacterial defense systems, CRISPR-Cas, Microbial communities, Mucus interactions http://www.fnobregalab.org http://www.klebphacol.org http://www.phage-collection.org

815 Followers  |  336 Following  |  40 Posts  |  Joined: 26.11.2023  |  2.2755

Latest posts by fnobrega.bsky.social on Bluesky

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๐ŸงCheckout our preprint revealing the stepwise firing๐Ÿ’ฅ mechanism of a Contractile Injection System @xujwet.bsky.social&@chipericson.bsky.social trapped the complex by structure-guided engineering๐Ÿงช in multiple intermediate states and imaged them by multimodal #cryoEMโ„๏ธ๐Ÿ”ฌ
www.biorxiv.org/content/10.1...

08.10.2025 21:18 โ€” ๐Ÿ‘ 59    ๐Ÿ” 29    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Excited to be part of this collaboration with the Burrows lab exploring twitching and surface surface sensing by P. aeruginosa. This work further delineates a role for the T4P motor proteins and pili for surface sensing.
journals.asm.org/doi/10.1128/...
@asm.org

07.10.2025 20:32 โ€” ๐Ÿ‘ 23    ๐Ÿ” 8    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
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Direct single-molecule detection and super-resolution imaging with a low-cost portable smartphone-based microscope - Nature Communications Loretan and colleagues present a low-cost smartphone-based microscope capable of detecting single-molecule fluorescence. This approach opens doors to personalised and widely distributed applications in diagnostics, biosensing, and science education.

Wow๐Ÿ˜ฒ๐Ÿคฉ
๐Ÿงช๐Ÿงซ ๐Ÿงฌ๐Ÿ”ฌโš—๏ธ

www.nature.com/articles/s41...

08.10.2025 21:39 โ€” ๐Ÿ‘ 21    ๐Ÿ” 6    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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OIST is seeking up to four tenure-track or tenured faculty in Ecology, Environmental Science, Earth Science, and Oceanography. Application deadline: Oct 15. Please share. Thx!
www.oist.jp/careers/facu...

07.10.2025 10:01 โ€” ๐Ÿ‘ 44    ๐Ÿ” 63    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 1
Junior Group Leader - Phage Biology & Biotechnology As a leading research institution for microbial biotechnology the Institute of Bio- and Geosciences - Biotechnology (IBG-1, https://www.fz-juelich.de/de/ibg/ibg-1 ) at the Forschungszentrum Jรผlich foc...

Please RT:
We have an opening for a junior group leader position in โ€žPhage Biology & Biotechnologyโ€œ.
www.fz-juelich.de/de/karriere/...

Interested candidates are encouraged to contact me via email for further details.

@spp2330.bsky.social; @mibinet.bsky.social

08.10.2025 06:50 โ€” ๐Ÿ‘ 31    ๐Ÿ” 50    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
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Bringing the uncultivated microbial majority of freshwater ecosystems into culture - Nature Communications A large fraction of aquatic bacteria remains uncultured. Here, the authors cultivated 627 strains of abundant freshwater bacteria from 14 European lakes, thus generating a collection that includes many previously uncultured, oligotrophic bacteria that may serve as model organisms.

โš ๏ธNew paper โžก๏ธ isolating >600 freshwater microbes using dilution-to-extinction and low-nutrient, lake-mimicking media.

๐ŸคฏExpands cultured diversity to ~70 % of detected genera and enables physiological studies of streamlined oligotrophs.

๐Ÿ”— www.nature.com/articles/s41...
#protistsonsky

05.10.2025 11:26 โ€” ๐Ÿ‘ 65    ๐Ÿ” 25    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 2
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Job alert โ€ผ๏ธ UChicago Micro is hiring! Open to tenured/tenure track faculty at all levels in any area of microbiology. Come join our amazing and growing department. apply.interfolio.com/174404

04.10.2025 18:44 โ€” ๐Ÿ‘ 123    ๐Ÿ” 124    ๐Ÿ’ฌ 4    ๐Ÿ“Œ 1

Independent research fellowships leading to tenured positions at the John Innes Centre.

Repost = nice. Thank you very much!!!

03.10.2025 16:06 โ€” ๐Ÿ‘ 46    ๐Ÿ” 84    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 2
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DYK most P. aeruginosa carry filamentous phage(s) that don't need to kill the cell to reproduce?

We ๐Ÿ‘‰๐Ÿป@nanamikubota.bsky.social show that these Pf phages can go ROGUE.

"Filamentous cheater phages drive bacterial and phage populations to lower fitness"

๐Ÿ”— authors.elsevier.com/c/1lt5I3QW8S...

02.10.2025 15:55 โ€” ๐Ÿ‘ 68    ๐Ÿ” 30    ๐Ÿ’ฌ 6    ๐Ÿ“Œ 4
Details - Assistant Professor - Virology | Human Resources | UMass Amherst

UMass Amherst Microbiology is hiring a tenure-track virologist. Come work with me! ๐Ÿฆ ๐Ÿงช
careers.umass.edu/amherst/en-u...

02.10.2025 14:51 โ€” ๐Ÿ‘ 35    ๐Ÿ” 55    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Most plasmids described in E. coli are small compared to the megaplasmids we identified here! Check out the preprint if you want to learn about these mysterious large elements and their potential functions ๐Ÿงฌ. Iโ€™m very grateful to have had the opportunity to work on this in @banfieldlab.bsky.social

01.10.2025 05:10 โ€” ๐Ÿ‘ 28    ๐Ÿ” 16    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 1
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Assistant or Associate Professor in Microbiology The Department of Biology in the College of Arts and Sciences at the University of Kentucky in Lexington, KY seeks to fill a tenure-eligible faculty position at the Assistant or Associate Professor le...

The Department of Biology at the University of Kentucky is hiring a Microbiologist (broadly defined). Microbial eco-evo folks, this is your sign to come work with us. Not in the search committee, but happy to answer questions.
ukjobs.uky.edu/postings/600...
#microbiology #ecology

01.10.2025 15:20 โ€” ๐Ÿ‘ 30    ๐Ÿ” 51    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
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Giant DNA viruses encode a hallmark translation initiation complex of eukaryotic life In contrast to living organisms, viruses were long thought to lack protein synthesis machinery and instead depend on host factors to translate viral transcripts. Here, we discover that giant DNA virus...

Are viruses capable of regulating protein synthesis in the nuanced way of cellular organisms? Kinda! Iโ€™m excited to share some of my postdoc work that leveraged giant DNA viruses to address this question.

02.10.2025 00:32 โ€” ๐Ÿ‘ 30    ๐Ÿ” 14    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0
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A miniature CRISPRโ€“Cas10 enzyme confers immunity by inhibitory signalling - Nature Panoptes, an anti-phage defence system against virus-mediated immune suppression, is revealed.

Today in @nature.com , we highlight how a cousin of CRISPR-Cas10, mCpol, establishes an evolutionary trap in anti-phage immune systems.

Check out @erinedoherty.bsky.social and my work from @doudna-lab.bsky.social lab here:
www.nature.com/articles/s41...

01.10.2025 17:56 โ€” ๐Ÿ‘ 107    ๐Ÿ” 54    ๐Ÿ’ฌ 3    ๐Ÿ“Œ 2
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High-accuracy SNV calling for bacterial isolates using deep learning with AccuSNV Accurate detection of mutations within bacterial species is critical for fundamental studies of microbial evolution, reconstructing transmission events, and identifying antimicrobial resistance mutati...

Precisely calling mutations across hundreds of bacterial isolates has been hard, requiring manual filtering and expertise.

Until now, using AccuSNV.

Herui Liao trained an ML model based on our previous meticulously called SNVs.
www.biorxiv.org/content/10.1...

29.09.2025 19:45 โ€” ๐Ÿ‘ 70    ๐Ÿ” 34    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 1

EXCITING NEWS!! We're searching for a new professor colleague at the Biozentrum๐Ÿ‡จ๐Ÿ‡ญ. Ideal candidates are exploring novel biological questions with structure, biophysics, or high-resolution imaging. ๐Ÿงช ๐Ÿงถ๐Ÿงฌ ๐Ÿ”ฌ

The call closes Nov 3. Please get in touch if you would like more information. Come join us! ๐Ÿ‘ฉโ€๐Ÿ”ฌ๐Ÿค“

30.09.2025 09:52 โ€” ๐Ÿ‘ 58    ๐Ÿ” 61    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 3
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Professor or Associate professor (Tenure Track/Full) in Microbial Genetics of Health - Turun yliopisto - Tyรถpaikat - Duunitori Avoin tyรถpaikka: Professor or Associate professor (Tenure Track/Full) in Microbial Genetics of Health - Turun yliopisto, Turku. Duunitorilla lisรคksi yli 30 000 muuta avointa tyรถpaikkaa. Lue lisรครค nyt!

Professor (full) or Associate Professor (tenure track) in Microbial Genetics of Health (U. Turku Finland). Competitive starting package included! Please share.

duunitori.fi/tyopaikat/ty...

30.09.2025 08:37 โ€” ๐Ÿ‘ 34    ๐Ÿ” 50    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

When you swear to never work on phages, but phages still work on youโ€ฆ :)

Very cool story!!!

30.09.2025 06:10 โ€” ๐Ÿ‘ 36    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

Please share - an Assist Prof position in microbiology

employmentopportunities.umb.edu/mob/cw/en-us...

@asm.org

30.09.2025 00:04 โ€” ๐Ÿ‘ 9    ๐Ÿ” 26    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Protein Domain Designer tool for the generation of publication-ready protein domain diagrams

Protein Domain Designer tool for the generation of publication-ready protein domain diagrams

New week, new tool: Find our Protein Domain Designer tool to generate publication-ready protein domain diagrams here: domaindesigner.farnunglab.com

29.09.2025 15:01 โ€” ๐Ÿ‘ 181    ๐Ÿ” 66    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 3
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PhD-positie Bacteriรซle Verdedigingssystemen tegen Virussen | LUMC Wij zoeken een getalenteerde en gemotiveerde PhD-kandidaat om het onderzoeksteam van Luuk Loeff te versterken. In dit project maak je gebruik van geavanceerde technologieรซn om te ontrafelen hoe bacter...

Hiring! ๐Ÿงฌ๐Ÿ”ฌ

Ever wondered how bacteria fight off viruses? Weโ€™re looking for a PhD student to dive into the molecular basis of newly discovered microbial immune systems, an area of biology where much remains to be uncovered.

RT/share to help us find our next team member!
www.lumc.nl/en/about-lum...

29.09.2025 11:36 โ€” ๐Ÿ‘ 14    ๐Ÿ” 6    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

And for those interested in creating figures - you can also feed zol results into cgcg to create network-graph visuals:
bsky.app/profile/rauf...

29.09.2025 04:36 โ€” ๐Ÿ‘ 4    ๐Ÿ” 2    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Autocycler: long-read consensus assembly for bacterial genomes AbstractMotivation. Long-read sequencing enables complete bacterial genome assemblies, but individual assemblers are imperfect and often produce sequence-l

Happy to share that the paper describing Autocycler is now 100% up:
doi.org/10.1093/bioi...
(1/3)

29.09.2025 04:11 โ€” ๐Ÿ‘ 62    ๐Ÿ” 35    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
ProteinDJ logo

ProteinDJ logo

I am thrilled to release ProteinDJ: a high-performance and modular protein design pipeline. Our open-source workflow incorporates #RFdiffusion, #ProteinMPNN, #FAMPNN, #AlphaFold2 and #Boltz-2. It is a fast, free, and fun way to design proteins (1/5)
doi.org/10.1101/2025.09.24.678028 #proteindesign

28.09.2025 21:16 โ€” ๐Ÿ‘ 87    ๐Ÿ” 31    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 6
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Delighted to see our paper studying the evolution of plasmids over the last 100 years, now out! Years of work by Adrian Cazares, also Nick Thomson @sangerinstitute.bsky.social - this version much improved over the preprint. Final version should be open access, apols.
Thread 1/n

25.09.2025 21:28 โ€” ๐Ÿ‘ 299    ๐Ÿ” 153    ๐Ÿ’ฌ 14    ๐Ÿ“Œ 8
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Microbiology and Immunology โ€“ Faculty Position (Ladder Rank) โ€“ Assistant Professor University of California, San Francisco is hiring. Apply now!

Our Department of Microbiology & Immunology at UCSF is running a faculty search this year for a new Assistant Professor! Please see the ad below for details. Searching for a great colleague, mentor, and scientist!
aprecruit.ucsf.edu/JPF05807

25.09.2025 17:51 โ€” ๐Ÿ‘ 16    ๐Ÿ” 24    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Youโ€™ve heard of ubiquitination, meet deazaguanylation: Doug Wassarman in our lab discovered phage defense pathways have co-opted Q nucleobase biosynthetic enzymes to catalyze a new form of protein conjugation chemistry @science.org

www.science.org/doi/10.1126/...

25.09.2025 19:16 โ€” ๐Ÿ‘ 80    ๐Ÿ” 35    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0
Job Details

New ERC funded computational postdoc position in my lab! We are looking for someone who will study the genomics of bacterial evolution using samples from experimental evolution and clinical trials. Lots of opportunities for interesting and fun collaboration!
my.corehr.com/pls/uoxrecru...

25.09.2025 14:31 โ€” ๐Ÿ‘ 26    ๐Ÿ” 32    ๐Ÿ’ฌ 4    ๐Ÿ“Œ 4

Feel free to contact me for info about this open position and the project! Fully funded through @hfspo.bsky.social and in collaboration with @jacrickets.bsky.social and Shawn McGlynn

25.09.2025 15:34 โ€” ๐Ÿ‘ 10    ๐Ÿ” 10    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Ending publication bias: A values-based approach to surface null and negative results Sharing knowledge is a fundamental principle within the scientific community, yet null and negative results are still being underreported. This Consensus View discusses the problem of such publication...

Null & negative results โ‰  failure. Theyโ€™re essentialโ€”but still sidelined.

Proud to co-author this @plosbiology.org paper tackling systemic bias & calling for culture change.

ECRs pay the highest price for this biased culture!

Blog by @scurry.bsky.social tinyurl.com/ysc23wrx

#PublicationBias

25.09.2025 09:37 โ€” ๐Ÿ‘ 30    ๐Ÿ” 11    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1

@fnobrega is following 20 prominent accounts