Daan Speth
@daanspeth.bsky.social
Computational microbiologist. Senior scientist at @cemess.bsky.social, @univie.ac.at.
Microbial ecology, mostly of nitrogen cycle microbes, and data driven physiology.
Maintainer of the GlobDB genome database https://globdb.org
Microbial ecology, mostly of nitrogen cycle microbes, and data driven physiology.
Maintainer of the GlobDB genome database https://globdb.org
Pinned
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
Reposted by Daan Speth
I knew early on I wanted to work with computers, but because of dyslexia I ended up in a lower-tier German school. The career office said a tech job wasn’t realistic. I ignored that, took a convoluted path into university, discovered bioinformatics, got hooked on algorithms&proteins, and became a PI
November 24, 2025 at 2:42 AM
I knew early on I wanted to work with computers, but because of dyslexia I ended up in a lower-tier German school. The career office said a tech job wasn’t realistic. I ignored that, took a convoluted path into university, discovered bioinformatics, got hooked on algorithms&proteins, and became a PI
Reposted by Daan Speth
📣 Open position: We are looking for a new #ScientificLead for the #SILVA database 🧬🖥️
You will be responsible for guiding the development of this important resource and for curating the SILVA taxonomy🌳and more!
👉 www.dsmz.de/dsmz/career/...
Read and share ‼️
#sciencejobs 🦠🧪 #career #taxonomy
You will be responsible for guiding the development of this important resource and for curating the SILVA taxonomy🌳and more!
👉 www.dsmz.de/dsmz/career/...
Read and share ‼️
#sciencejobs 🦠🧪 #career #taxonomy
November 22, 2025 at 3:36 PM
📣 Open position: We are looking for a new #ScientificLead for the #SILVA database 🧬🖥️
You will be responsible for guiding the development of this important resource and for curating the SILVA taxonomy🌳and more!
👉 www.dsmz.de/dsmz/career/...
Read and share ‼️
#sciencejobs 🦠🧪 #career #taxonomy
You will be responsible for guiding the development of this important resource and for curating the SILVA taxonomy🌳and more!
👉 www.dsmz.de/dsmz/career/...
Read and share ‼️
#sciencejobs 🦠🧪 #career #taxonomy
Reposted by Daan Speth
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 Daan Speth
Just in time for me to cite in something I've been using GlobDB for
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
November 22, 2025 at 9:32 AM
Just in time for me to cite in something I've been using GlobDB for
Reposted by Daan Speth
GlobDB is a great resource and is frequently of use in my research!
Developed and maintained by @daanspeth.bsky.social, I was glad to contribute in a small way. Have a look at Daan’s thread to find out more and let us know how you use it! >>
Developed and maintained by @daanspeth.bsky.social, I was glad to contribute in a small way. Have a look at Daan’s thread to find out more and let us know how you use it! >>
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
November 21, 2025 at 4:35 PM
GlobDB is a great resource and is frequently of use in my research!
Developed and maintained by @daanspeth.bsky.social, I was glad to contribute in a small way. Have a look at Daan’s thread to find out more and let us know how you use it! >>
Developed and maintained by @daanspeth.bsky.social, I was glad to contribute in a small way. Have a look at Daan’s thread to find out more and let us know how you use it! >>
Reposted by Daan Speth
Congratulations @daanspeth.bsky.social and the whole team. GlobDB has already been very helpful for several projects at @cemess.bsky.social, and it will no doubt be a useful resource for many microbiologists around the world. Really glad to see it out there.
November 21, 2025 at 6:28 PM
Congratulations @daanspeth.bsky.social and the whole team. GlobDB has already been very helpful for several projects at @cemess.bsky.social, and it will no doubt be a useful resource for many microbiologists around the world. Really glad to see it out there.
Reposted by Daan Speth
Great news. I've been using GlobDB for tracking distribution of a class of replicators across taxonomies. Highly, highly recommended for people looking for dereplicated dataset.
🧬💻
🧬💻
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
November 21, 2025 at 4:37 PM
Great news. I've been using GlobDB for tracking distribution of a class of replicators across taxonomies. Highly, highly recommended for people looking for dereplicated dataset.
🧬💻
🧬💻
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
GlobDB: a comprehensive species-dereplicated microbial genome resource
AbstractMotivation. Over the past years, substantial numbers of microbial species’ genomes have been deposited outside of conventional INSDC databases.Resu
doi.org
November 21, 2025 at 4:21 PM
Our paper describing the GlobDB is now published in @bioinfoadv.bsky.social
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
doi.org/10.1093/bioa...
The GlobDB is the largest species dereplicated genome database currently available, containing 306,260 species representatives.
More information on globdb.org 1/5
🖥️🧬🦠
Reposted by Daan Speth
There's a PhD position now available with me in Bath, on the evolution of symbiosis. www.findaphd.com/phds/project.... The supervisory team also includes @anja1.bsky.social @phil-donoghue.bsky.social and others. NB, this is open both to UK-based students *and* to international students :)
The genomic basis of symbiotic integration at University of Bath on FindAPhD.com
PhD Project - The genomic basis of symbiotic integration at University of Bath, listed on FindAPhD.com
www.findaphd.com
October 9, 2025 at 9:39 AM
There's a PhD position now available with me in Bath, on the evolution of symbiosis. www.findaphd.com/phds/project.... The supervisory team also includes @anja1.bsky.social @phil-donoghue.bsky.social and others. NB, this is open both to UK-based students *and* to international students :)
Reposted by Daan Speth
🚀New preprint from our lab!
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
November 20, 2025 at 6:52 PM
🚀New preprint from our lab!
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
I am very excited to finally share what has been the main focus of my PhD for the past almost 3 years! It is about viral dark matter and a powerful tool we built to shed light on it. 🧬💡
Continue reading (🧵)
Reposted by Daan Speth
We have a date for the free-to-attend #anvio workshop and ECR Symposium for 2026, and we look forward to meeting you at the @hifmb.de in Oldenburg, Germany!
Please find more information on the venue, program, and the application form here, and spread the word 😇
anvio.org/workshops/20...
Please find more information on the venue, program, and the application form here, and spread the word 😇
anvio.org/workshops/20...
November 20, 2025 at 6:42 PM
We have a date for the free-to-attend #anvio workshop and ECR Symposium for 2026, and we look forward to meeting you at the @hifmb.de in Oldenburg, Germany!
Please find more information on the venue, program, and the application form here, and spread the word 😇
anvio.org/workshops/20...
Please find more information on the venue, program, and the application form here, and spread the word 😇
anvio.org/workshops/20...
Reposted by Daan Speth
Junior professor position at the University of Kaiserslautern! Our Department of Biology is seeking a colleague working with microalgae. This is a wonderful place to do wonderful science with great people! Please, repost :)
Further details:
jobs.rptu.de/jobposting/1...
Further details:
jobs.rptu.de/jobposting/1...
November 20, 2025 at 3:28 PM
Junior professor position at the University of Kaiserslautern! Our Department of Biology is seeking a colleague working with microalgae. This is a wonderful place to do wonderful science with great people! Please, repost :)
Further details:
jobs.rptu.de/jobposting/1...
Further details:
jobs.rptu.de/jobposting/1...
Reposted by Daan Speth
🧬🖥️SILVA in 2026: a global core biodata resource for rRNA within the DSMZ digital diversity
📑The new publication about the #SILVA database for the #NAR database issue is now online.
👉 academic.oup.com/nar/article/...
📑The new publication about the #SILVA database for the #NAR database issue is now online.
👉 academic.oup.com/nar/article/...
SILVA in 2026: a global core biodata resource for rRNA within the DSMZ digital diversity
Abstract. Since 2007, the SILVA database (https://www.arb-silva.de/) has served as a comprehensive resource providing quality-checked, aligned, and classif
academic.oup.com
November 19, 2025 at 10:36 AM
🧬🖥️SILVA in 2026: a global core biodata resource for rRNA within the DSMZ digital diversity
📑The new publication about the #SILVA database for the #NAR database issue is now online.
👉 academic.oup.com/nar/article/...
📑The new publication about the #SILVA database for the #NAR database issue is now online.
👉 academic.oup.com/nar/article/...
Reposted by Daan Speth
🚨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 Daan Speth
The University at Albany Biomedical Sciences Department is hiring at the Assistant Professor level. We are looking for researchers at the intersection of infectious disease and artificial intelligence:
albany.interviewexchange.com/jobofferdeta...
#infectiousdisease #artificialintelligence
albany.interviewexchange.com/jobofferdeta...
#infectiousdisease #artificialintelligence
albany.interviewexchange.com
November 18, 2025 at 10:45 PM
The University at Albany Biomedical Sciences Department is hiring at the Assistant Professor level. We are looking for researchers at the intersection of infectious disease and artificial intelligence:
albany.interviewexchange.com/jobofferdeta...
#infectiousdisease #artificialintelligence
albany.interviewexchange.com/jobofferdeta...
#infectiousdisease #artificialintelligence
Reposted by Daan Speth
OK, #bioinformatics folk. We have some (many many) reads from a metagenome. They have been binned into a bacterial genome. They have no matches to any known genome in any database. They code for "bacterial" genes. What are good triple-checks to do to argue that they are not, in fact, euk sequence?
November 18, 2025 at 5:29 PM
OK, #bioinformatics folk. We have some (many many) reads from a metagenome. They have been binned into a bacterial genome. They have no matches to any known genome in any database. They code for "bacterial" genes. What are good triple-checks to do to argue that they are not, in fact, euk sequence?
Reposted by Daan Speth
📣 Workshop announcement: This year's #SILVA 🧬 online workshop will take place on 🗓️ 11th December, at 3pm CET.
The #SILVA team will inform about the upcoming release, the new website design 🖥️, and more!
Write to [email protected] to receive the Zoom login details
#science #FAIRdata 🧫🧪
The #SILVA team will inform about the upcoming release, the new website design 🖥️, and more!
Write to [email protected] to receive the Zoom login details
#science #FAIRdata 🧫🧪
November 17, 2025 at 2:51 PM
📣 Workshop announcement: This year's #SILVA 🧬 online workshop will take place on 🗓️ 11th December, at 3pm CET.
The #SILVA team will inform about the upcoming release, the new website design 🖥️, and more!
Write to [email protected] to receive the Zoom login details
#science #FAIRdata 🧫🧪
The #SILVA team will inform about the upcoming release, the new website design 🖥️, and more!
Write to [email protected] to receive the Zoom login details
#science #FAIRdata 🧫🧪
Reposted by Daan Speth
Clone-FISH paper out: Manuscript/resource alert #microsky 🦠 We present a collection of 30 E. coli (CloneFISH) cultures, each carrying a plasmid for the heterologous expression of a (near) full-length 16S rRNA gene from one of 30 lineages of archaea, including 17 yet uncultured ones.
November 17, 2025 at 2:36 PM
Clone-FISH paper out: Manuscript/resource alert #microsky 🦠 We present a collection of 30 E. coli (CloneFISH) cultures, each carrying a plasmid for the heterologous expression of a (near) full-length 16S rRNA gene from one of 30 lineages of archaea, including 17 yet uncultured ones.
Reposted by Daan Speth
We are hiring!! Biological Sciences as UNC Charlotte has a broad search for a new assistant professor.
Apps reviewed 12/15.
Please spread the word! 💚⛏️
#PlantSci 🧪🦠🧬
jobs.charlotte.edu/postings/65141
Apps reviewed 12/15.
Please spread the word! 💚⛏️
#PlantSci 🧪🦠🧬
jobs.charlotte.edu/postings/65141
Assistant Professor
Applicants should possess a Ph.D. in the biological sciences or related fields.Candidates are expected to document expertise in their specialty by a record of postdoctoral training, peer reviewed publ...
jobs.charlotte.edu
November 17, 2025 at 2:52 PM
We are hiring!! Biological Sciences as UNC Charlotte has a broad search for a new assistant professor.
Apps reviewed 12/15.
Please spread the word! 💚⛏️
#PlantSci 🧪🦠🧬
jobs.charlotte.edu/postings/65141
Apps reviewed 12/15.
Please spread the word! 💚⛏️
#PlantSci 🧪🦠🧬
jobs.charlotte.edu/postings/65141
Reposted by Daan Speth
Starting this week, I set aside one hour each week to meet ECRs outside my group who want to discuss career development, mentorship, or any non-technical professional questions.
Here is a blog that explains my motivation for this and how to schedule a meeting:
merenlab.org/2025/11/16/E...
Here is a blog that explains my motivation for this and how to schedule a meeting:
merenlab.org/2025/11/16/E...
ECR connection: Meet Meren when you need to
A means for ECRs to get advice from a senior scientist outside of their support network
merenlab.org
November 16, 2025 at 4:56 PM
Starting this week, I set aside one hour each week to meet ECRs outside my group who want to discuss career development, mentorship, or any non-technical professional questions.
Here is a blog that explains my motivation for this and how to schedule a meeting:
merenlab.org/2025/11/16/E...
Here is a blog that explains my motivation for this and how to schedule a meeting:
merenlab.org/2025/11/16/E...
Reposted by Daan Speth
We are looking for a PhD student to work on an exciting plastid endosymbiosis in microbial eukaryotes. This position involves sampling, exciting microscopy such as CARDFISH, ExM and FIBSEM, single-cell transcriptomics and more. #protistsonsky 1/2
November 12, 2025 at 9:50 AM
We are looking for a PhD student to work on an exciting plastid endosymbiosis in microbial eukaryotes. This position involves sampling, exciting microscopy such as CARDFISH, ExM and FIBSEM, single-cell transcriptomics and more. #protistsonsky 1/2
Reposted by Daan Speth
SingleM v0.20.2 - ONT/PacBio input reads now supported (if somewhat inefficiently), plus improved Lyrebird database for phage profiling.
Microbial fraction is now prokaryotic fraction, easier to specify input genomes.
Microbial fraction is now prokaryotic fraction, easier to specify input genomes.
November 17, 2025 at 4:49 AM
SingleM v0.20.2 - ONT/PacBio input reads now supported (if somewhat inefficiently), plus improved Lyrebird database for phage profiling.
Microbial fraction is now prokaryotic fraction, easier to specify input genomes.
Microbial fraction is now prokaryotic fraction, easier to specify input genomes.
Reposted by Daan Speth
This year's #BacDive workshop will take place on 24th November 2025, 3 - 5 PM CET online!
We are especially looking forward to the opportunity to answer your questions, and hear your feedback and ideas. 🦠🧬.
Write to [email protected] to receive the Zoom login details 🖥️.
We are especially looking forward to the opportunity to answer your questions, and hear your feedback and ideas. 🦠🧬.
Write to [email protected] to receive the Zoom login details 🖥️.
November 13, 2025 at 9:35 AM
This year's #BacDive workshop will take place on 24th November 2025, 3 - 5 PM CET online!
We are especially looking forward to the opportunity to answer your questions, and hear your feedback and ideas. 🦠🧬.
Write to [email protected] to receive the Zoom login details 🖥️.
We are especially looking forward to the opportunity to answer your questions, and hear your feedback and ideas. 🦠🧬.
Write to [email protected] to receive the Zoom login details 🖥️.
Reposted by Daan Speth
Here, we show that deep below, corals and feather stars don’t just share space – they share microbes. Endozoicomonadaceae + Nitrosopumilaceae inhabit both hosts in a “promiscuous” symbiosis that may fuel nitrogen cycling in the deep sea.
doi.org/10.1186/s401... 🌊🪸🧪 #Bioinformatics 🧬💻 #SymbioSky
doi.org/10.1186/s401... 🌊🪸🧪 #Bioinformatics 🧬💻 #SymbioSky
November 13, 2025 at 6:11 AM
Here, we show that deep below, corals and feather stars don’t just share space – they share microbes. Endozoicomonadaceae + Nitrosopumilaceae inhabit both hosts in a “promiscuous” symbiosis that may fuel nitrogen cycling in the deep sea.
doi.org/10.1186/s401... 🌊🪸🧪 #Bioinformatics 🧬💻 #SymbioSky
doi.org/10.1186/s401... 🌊🪸🧪 #Bioinformatics 🧬💻 #SymbioSky
Reposted by Daan Speth
The Center for Microscopy and Image Analysis at the University of Zurich is seeking a new Head:
jobs.uzh.ch/job-vacancie...
It is super fun to work with them, tons of expertise and cutting edge instrumentation in ❄️🔬
Application deadline: December 15, 2025.
jobs.uzh.ch/job-vacancie...
It is super fun to work with them, tons of expertise and cutting edge instrumentation in ❄️🔬
Application deadline: December 15, 2025.
UZH: Head of the Center for Microscopy and Image Analysis (Core Facility)
The Center for Microscopy and Image Analysis (ZMB) is a nationally and internationally recognized Core Facility at the University of Zurich (UZH), providing access to state-of-the-art light and electr...
jobs.uzh.ch
November 12, 2025 at 6:42 PM
The Center for Microscopy and Image Analysis at the University of Zurich is seeking a new Head:
jobs.uzh.ch/job-vacancie...
It is super fun to work with them, tons of expertise and cutting edge instrumentation in ❄️🔬
Application deadline: December 15, 2025.
jobs.uzh.ch/job-vacancie...
It is super fun to work with them, tons of expertise and cutting edge instrumentation in ❄️🔬
Application deadline: December 15, 2025.