@brochlorococcus

Immigrant. 🇫🇮 to 🇬🇧 google translate power user. Microbial evolution and ecology.

 Finland
Joined December 2012
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Excited to announce that we have a new paper out in @ISMEJournal w/ @JenniHultman @Teppo_Hiltunen J Cairns and L Ruusulehto. Please check it out! nature.com/articles/s41396-0…
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Excited to finally share this work! This paper is years in the making... We uncover a global network of purine and pyrimidine cross-feeding among ocean microbes and begin characterizing the forces shaping it. 1/ biorxiv.org/content/10.1101/…

Global niche partitioning of purine and pyrimidine cross-feeding among ocean microbes

Characterizing the diversity of cross-feeding pathways in ocean microbes illuminates forces shaping co-evolution, ecosystem self-assembly and carbon cycling. Here we uncover a purine and pyrimidine...

biorxiv.org
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Altering the coevolutionary history of the prey had little effect on the ecology of the system but induced large functional changes in community transcription and metabolic potential.
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These results illustrate that localized coevolutionary processes between species pairs can reverberate through ecosystem-scale transcriptional networks with potential consequences for broader ecosystem function.
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neat paper nature.com/articles/s41396-0…

Protozoal food vacuoles enhance transformation in Vibrio cholerae through SOS-regulated DNA...

The ISME Journal - Protozoal food vacuoles enhance transformation in Vibrio cholerae through SOS-regulated DNA integration

nature.com
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Hello, a new preprint from me, @JenniHultman, @Teppo_Hiltunen, and others: biorxiv.org/content/10.1101/… The evolutionary history of one coevolving species pair influences community transcription and ecological function We appreciate any and all feedback!

Localized coevolution between microbial predator and prey alters community-wide gene expression and...

In dynamic and spatially heterogeneous microbial communities, pairs of locally coevolved species interact between themselves and other species across multiple spatial and temporal scales. We curren...

biorxiv.org
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Everyday racism in Finland’s (world-class?) early childhood education, a thread:
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Please have a look at our new paper on phosphonate production in the surface ocean! pnas.org/doi/full/10.1073/pn…

Phosphonate production by marine microbes: Exploring new sources and potential function | PNAS

Phosphonates are organophosphorus metabolites with a characteristic C-P bond. They are ubiquitous in the marine environment, their degradation broa...

pnas.org
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This was a nice collaboration with @ackero9 who spearheaded the very challenging chemical analyses! Thanks very much to all co-authors! (@th4ckl, @pmberube, @rstepanauskas)
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Siderophores as an iron source for picocyanobacteria in deep chlorophyll maximum layers of the oligotrophic ocean nature.com/articles/s41396-0…
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How do metabolic minimalists like the marine cyanobacterium Prochlorococcus fulfill their Fe requirements, especially in the most Fe-limited regions? Please have a look at our paper in @ISMEJournal to learn more - I'd be happy to receive your feedback. nature.com/articles/s41396-0…
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From what I can tell, the S. Atlantic gyre perhaps hasn't received as much oceanographic attention as other regions. There could be a great opportunity to partner with colleagues in Africa and S. America to look into phytoplankton community Fe deficiency there!
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As always, a big thank you to my wonderful coauthors (flagging those I know to be on twitter!) @rmbundy, @th4ckl, @pmberube, @Teppo_Hiltunen
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