#KNVMfall2026
Edze Westra on Using modified bacteriophages to combat Pseudomonas aeruginosa infections
#KNVMfall2026
November 6, 2026 at 11:58 AM
Kathrin Wippel on Bacterial interactions influencing microbiome composition and plant performance
#KNVMfall2026
November 6, 2026 at 1:11 PM
Daniel Tamarit @danieltamarit.bsky.social on Evolution of archaeal architecture: cells, molecules, genomes
#KNVMfall2026
November 6, 2026 at 10:30 AM
Simonetta Gribaldo @sgribaldo.bsky.social opens with a keynote at KNVM Fundamental Microbiology Fall Meeting talking about Evolution of the cell envelope across the bacterial tree of life
#KNVMfall2026
November 6, 2026 at 9:12 AM
Last talk at #KNVMfall2026 meeting on Toshi Nagakubo on Biological functions of phage tail-like nanostructures in actinomycetes
November 6, 2026 at 3:05 PM
Anja Spang (from @niozsearesearch.bsky.social) Deep roots and genome evolution of archaeal symbionts
#KNVMfall2026
November 6, 2026 at 9:59 AM
Alexander Belyy @alexanderbelyy.bsky.social on Actin as a target and activator of bacterial protein toxins

#KNVMfall2026
November 6, 2026 at 2:39 PM
Taking over @evolvedbiofilm.bsky.social's thread at #KNVMFall2026 to cover also his talk on bacterial circadian rhythms. A fascinating topic.

#MicroSky @unileiden.bsky.social
November 6, 2026 at 1:43 PM
Maartje van Kessel on Ammonia detoxification by nitrogen cycle symbionts in fish gills
#KNVMfall2026
November 6, 2026 at 2:13 PM
Toshi explains that an endonuclease acts a tapemeasure protein-like effector, behind the observed CIS-associated phenotypes of S. davawensis

#KNVMfall2026
November 6, 2026 at 3:17 PM
Edze also mentions how bacterial biodiversity drives phage resistance evolution

See their @nature.com paper by @ellinoralseth.bsky.social et al
www.nature.com/articles/s41...

#KNVMfall2026
Bacterial biodiversity drives the evolution of CRISPR-based phage resistance - Nature
The biotic environment can fundamentally alter bacteria and phage interactions, and influence the evolution of resistance mechanisms.
www.nature.com
November 6, 2026 at 12:18 PM
Alexander introducing cryoEM using tiktok video style... probably most entertaining methods introduction

#KNVMfall2026
November 6, 2026 at 2:43 PM
Anja on rooted phylogeny and early bacterial evolution
See their @science.org paper
www.science.org/doi/full/10....

#KNVMfall2026
www.science.org
November 6, 2026 at 10:11 AM
Edze also mentions that interspecies competition alters phage resistance evolution

See their recent @currentbiology.bsky.social paper by Custodio et al (project initiated by @ellinoralseth.bsky.social)
www.cell.com/current-biol...

#KNVMfall2026
Interbacterial competition triggers stress-induced CRISPR immunity against bacteriophages
Custodio et al. show that interbacterial competition can actively promote CRISPR immunity in Pseudomonas aeruginosa. Competition triggers an SOS-associated response that primes adaptive antiphage defe...
www.cell.com
November 6, 2026 at 12:15 PM
Kathrin explained their work with Arabidopsis or Lotus SynCom to test protection against the opportunistic pathogen Pseudomonas isolate R401 that causes wilting on Arabidopsis

Lotus SynCom outcompetes the pathogen

See their @plosbiology.org paper
journals.plos.org/plosbiology/...

#KNVMfall2026
Pseudomonas intra-genus competition determines the protective function of synthetic bacterial communities in Arabidopsis thaliana
The plant microbiome can protect its host against detrimental bacterial strains. This study shows that competition among Pseudomonas bacteria in synthetic bacterial communities determines how well the...
journals.plos.org
November 6, 2026 at 1:29 PM
Anja now on timing of early cellular evolution, cross-branching approach for dating evolution

See their @natcomms.nature.com
www.nature.com/articles/s41...

#KNVMfall2026
ATP synthase evolution on a cross-braced dated tree of life - Nature Communications
The timing of cellular evolution is poorly constrained. Here, the authors used improved molecular dating approaches to study the evolution of the ATP synthase in light of a dated tree of life thereby ...
www.nature.com
November 6, 2026 at 10:25 AM
Edze also mentions how bacteriostatic antibiotic use alters CRISPR-Cas adaptive immunity by enabling increased spacer acquisition
See their @cp-cellhostmicrobe.bsky.social
www.cell.com/cell-host-mi...
#KNVMfall2026
Bacteriostatic antibiotics promote CRISPR-Cas adaptive immunity by enabling increased spacer acquisition
Dimitriu et al. find that bacteriostatic antibiotics, which inhibit bacterial cell growth without killing, promote CRISPR-Cas immunity by slowing down phage replication. Delayed production of mature p...
www.cell.com
November 6, 2026 at 12:10 PM
Daniel also explains microtubules in Asgard archaea

See their Science Advances
www.science.org/doi/abs/10.1...

#KNVMfall2026
Eukaryotic-like microtubules and dynamic instability of Asgard archaeal tubulins
Asgard archaeal mini microtubules suggest an archaeal origin of eukaryotic microtubules.
www.science.org
November 6, 2026 at 10:43 AM
Edze continues on infection-dependent costs of CRISPR immunity

See their ISME Journal paper
academic.oup.com/ismej/articl...

#KNVMfall2026
Phage gene expression and host responses lead to infection-dependent costs of CRISPR immunity
AbstractCRISPR-Cas immune systems are widespread in bacteria and archaea, but not ubiquitous. Previous work has demonstrated that CRISPR immunity is associ
academic.oup.com
November 6, 2026 at 12:08 PM
Daniel continues the evolution session of #KNVMfall2026 highlighting heimdallarchaeial ancestry of eukaryotes

See their @nature.com paper
www.nature.com/articles/s41...
Inference and reconstruction of the heimdallarchaeial ancestry of eukaryotes - Nature
Analyses of multiple phylogenetic marker datasets of Asgard archaea provide insight into the transition from prokaryotes to eukaryotes, specifically placing eukaryotes within Asgard archaea and as a s...
www.nature.com
November 6, 2026 at 10:34 AM
Simonetta explains outer membrane loss in the Terrabacteria and parallel evolution of monoderms from diderm bacteria

See their @natmicrobiol.nature.com paper
www.nature.com/articles/s41...

#KNVMfall2026
Ancient origin and constrained evolution of the division and cell wall gene cluster in Bacteria - Nature Microbiology
The dcw cluster has an ancient origin and has been inherited vertically by all Bacteria.
www.nature.com
November 6, 2026 at 9:23 AM