#transposases
What if transposases are already transcription factors in disguise?
Our new preprint shows that transcriptional regulatory activity is an intrinsic property of transposases, revealing a direct route for their domestication into transcription factors. www.biorxiv.org/content/10.6...
doi.org
August 28, 2026 at 9:13 AM
1/8 🚨 New preprint from the @sternberglab.bsky.social & @martinjinek.bsky.social labs! CRISPR-associated transposases (CASTs) insert large DNA cargoes at precise genomic locations — no double-strand breaks needed.
May 21, 2026 at 9:17 PM
Discovery and protein language model-guided design of hyperactive transposases - @marcguellc.bsky.social @upf.edu @icreacommunity.bsky.social @crg.eu go.nature.com/4gXLGEw
Discovery and protein language model-guided design of hyperactive transposases - Nature Biotechnology
Phylogenetic mining and protein language models uncover improved PiggyBac transposase sequences.
go.nature.com
October 2, 2025 at 2:06 PM
Site-specific, multi-kilobase insertions and over-writes in mammalian cells, without DSBs, HDR, recombinases, integrases, transposases, or active cell cycling? Using fully or predominantly single-stranded DNA donors?

1/15
April 29, 2026 at 3:46 PM
Check out our latest work on the discovery and engineering of PiggyBac transposases! 🧵
October 2, 2025 at 6:09 PM
Phage-based delivery of CRISPR-associated transposases for targeted bacterial editing

"Here, we engineer phage λ with CRISPR-associated transposases to enable flexible bacterial genome manipulation, including in a mixed microbial community context."

www.pnas.org/doi/10.1073/...
July 29, 2025 at 5:26 PM
Are you expecting a new age of microbiome engineering
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
www.science.org/doi/10.1126/...
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 14, 2025 at 8:08 AM
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases www.science.org/doi/abs/10.1... #jcampubs
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 13, 2025 at 8:58 PM
Oh damn. This looks sick "Here, we show that transcriptional regulatory activity is an intrinsic property of transposases (TPases)"
August 28, 2026 at 3:44 AM
I have extended the deadline to apply for this post-doctoral role to work with me on the Biochemistry of Starship Transposon to this Sunday the 5th of January...original deadline set on a holiday set by HR (not me)! edzz.fa.em3.oraclecloud.com/hcmUI/Candid...
Research Fellow - School of Biosciences - 104926 - Grade 7
This post-doctoral role is associated with Dr. McDonald’s UKRI Future Leader Fellowship, and will explore the biochemistry of the Starship transposases. These transposases are the enzymes responsible ...
edzz.fa.em3.oraclecloud.com
January 2, 2025 at 4:48 PM
Really cool new tech to engineer native gut bacteria inside living animals using mobile CRISPR-associated transposases!
Non-engrafting donor E. coli + broad-host-range conjugation system + guide-RNA–directed targeting
www.science.org/doi/10.1126/...
#microsky #microbiomesky 🧪
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 14, 2025 at 5:46 AM
Phylogenetic mining and protein language models uncover improved PiggyBac transposase sequences go.nature.com/4gXLGEw
rdcu.be/fzNSK
Discovery and protein language model-guided design of hyperactive transposases - Nature Biotechnology
Phylogenetic mining and protein language models uncover improved PiggyBac transposase sequences.
go.nature.com
August 14, 2026 at 1:58 AM
#phage #phagesky

Phage-based delivery of CRISPR-associated transposases for targeted bacterial editing | PNAS www.pnas.org/doi/10.1073/...
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...
www.pnas.org
July 29, 2025 at 4:47 AM
Very excited to share our latest work in Science on metagenomic editing (MetaEdit) of the gut microbiome in vivo & directly modifying unculturable immune-modulatory SFB bug in the small intestine. 🦠🧬🛠️
www.science.org/doi/10.1126/...
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 13, 2025 at 8:53 PM
Structural basis of RNA-guided DNA integration by type I CRISPR-associated transposases www.biorxiv.org/content/10.64898/2026.05.18.725949v1 #cryoem
May 19, 2026 at 11:01 AM
Microbiome delivery of CRISPR-associated transposases enables stable genomic integration of multikilobase DNA payloads in gut-associated microbes in vivo. #NBThighlight www.science.org/doi/10.1126/...
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 17, 2025 at 9:36 AM
#microsky #microbiomesky

Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases | Science www.science.org/doi/abs/10.1...
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
www.science.org
November 14, 2025 at 7:49 AM
Great talk from Aaron Vogan @fungage-lab.bsky.social -the exciting story of the discovery of the huge Starship transposon family in the pezizomycotina that can move up to 3% of the pangenome within and between fungal genomes under control of the Captain Kirc transposases.
@ecfg172025.bsky.social
March 4, 2025 at 12:19 PM
1/9 Metagenomics lets us read microbiomes in nature without cultivation, but writing (editing) them in their native context is still a major challenge.

Meet MetaEdit: a platform for pathway-scale metagenomic editing inside the gut microbiome. science.org/doi/10.1126/...
Metagenomic editing of commensal bacteria in vivo using CRISPR-associated transposases
Although metagenomic sequencing has revealed a rich microbial biodiversity in the mammalian gut, methods to genetically alter specific species in the microbiome are highly limited. Here, we introduce ...
science.org
November 14, 2025 at 2:25 PM
🎉 Our first paper from the Querques lab is out!

We uncover the molecular checkpoints controlling cut-and-paste transposition by CRISPR-associated transposons.

Congrats to Mateusz & the whole team! 🧬
www.nature.com/articles/s41...

@univie.ac.at
@meduniwien.ac.at
August 25, 2026 at 5:17 PM
Minos transgenesis enables robust, stable germline integration of transgenes in Lepidoptera; providing a reliable alternative to piggyBac, whose native transposases can cause transgene remobilization or instability in moths and butterflies:
It's out, Minos transgenesis in the pantry moth by
@donyaniyaz.bsky.social
@lucalivraghi.bsky.social

High efficient, glowing eye and silk gland markers

peerj.com/articles/202...
@peerj.bsky.social
November 12, 2025 at 5:12 PM
Targeted genomic editing of human gut #Bacteroides species based on CRISPR-associated transposases.

STIB enables precise, efficient genome insertion in diverse Bacteroides, advancing targeted #microbiome engineering.

www.sciencedirect.com/science/arti... #microbiota #MicroSky
July 3, 2026 at 4:48 PM
Relaxed DNA substrate specificity of transposases involved in programmed genome rearrangement
🤯
#TEsky
www.biorxiv.org/content/10.1...
Relaxed DNA substrate specificity of transposases involved in programmed genome rearrangement
During post-zygotic development, the ciliate Oxytricha trifallax undergoes massive programmed genome rearrangement that involves over 225,000 DNA cleavage and joining events. An Oxytricha family of Tc...
www.biorxiv.org
March 24, 2025 at 9:53 AM