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Killian Campbell

@kdc509

Postdoc in the Selmecki Lab Microbial evolution and drug resistance https://scholar.google.com/citations?user=Z-KToTMAAAAJ&hl=en

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Latest posts by Killian Campbell @kdc509

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Magnesium depletion by Candida albicans unleashes two unusual modes of colistin resistance in Pseudomonas aeruginosa with different fitness costs Bacterial resistance to the vital last-resort antibiotic colistin is an increasing challenge. This study shows that magnesium sequestration by C. albicans enables P. aeruginosa to evolve much higher l...

Our story on the evolution of colistin resistance is just out on @plosbiology.org (journals.plos.org/plosbiology/... Evolution doesn’t happen in isolation. We show that competing fungi can rewire the evolutionary trajectory of colistin resistance in P. aeruginosa. Great teamwork with the Ernst lab

05.03.2026 13:43 πŸ‘ 26 πŸ” 17 πŸ’¬ 2 πŸ“Œ 1
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Magnesium depletion by Candida albicans unleashes two unusual modes of colistin resistance in Pseudomonas aeruginosa with different fitness costs Bacterial resistance to the vital last-resort antibiotic colistin is an increasing challenge. This study shows that magnesium sequestration by C. albicans enables P. aeruginosa to evolve much higher…

In new research, Yu-Ying Phoebe Hsieh, Ian O’Keefe, Ajai Dandekar, Harmit Malik &co reveal how magnesium sequestration by C. albicans enables P. aeruginosa to evolve much higher levels of resistance to colistin (a last-resort #antibiotic).
πŸ§ͺ#MicroSky

04.03.2026 13:55 πŸ‘ 11 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
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Here is how the Dec-Feb 2025-26 period compared to the 1991-2020 normal period. πŸ”₯πŸ”₯πŸ”₯

01.03.2026 16:40 πŸ‘ 120 πŸ” 40 πŸ’¬ 4 πŸ“Œ 0
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was looking for something else and found this important post deep in my files

15.02.2026 05:09 πŸ‘ 2786 πŸ” 254 πŸ’¬ 39 πŸ“Œ 14

Attention devotees--especially newcomers--to microbial single carbon metabolism!!! πŸ“£πŸ“£πŸ“£ The 2026 Microbial One-Carbon Metabolism Gordon Research Seminar (GRS) & Conference (GRC) are seeking applicants! πŸ§ͺπŸ”¬πŸ§«πŸ¦  Come present your research and network with a fantastic community of other scientists!

12.02.2026 19:11 πŸ‘ 4 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

" I'm a member of mensa but I still do stupid stuff"
Lmaoooo

11.02.2026 14:02 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Davis Summer Population Genomics Program Want to learn population genetics? Please fill out this form to indicate your potential interest in a 2-week intensive online summer population genetics course taught by Jeffrey Ross-Ibarra and Graham...

Fun news! @gcbias.bsky.social and I are teaching a 2-week online population genetics workshop this summer to raise money for the Center for Population Biology at UC Davis. We're trying to gauge interest -- please fill this out if you might be interested! And please share broadly!

09.02.2026 18:24 πŸ‘ 137 πŸ” 169 πŸ’¬ 6 πŸ“Œ 5
Bad Bunny holds a football that says Together, we are America.

Bad Bunny holds a football that says Together, we are America.

Unidos somos AmΓ©rica.

09.02.2026 02:16 πŸ‘ 26190 πŸ” 4125 πŸ’¬ 224 πŸ“Œ 135

Great city

06.02.2026 02:07 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Excited for this new preprint from former postdoc @caitlinkowa.bsky.social identifying unexpected functions for the bacterial stringent response in antimicrobial fatty acid susceptibility in S. aureus #microsky

05.02.2026 21:52 πŸ‘ 14 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0

New work from the Barber lab crew ft yours truly πŸ˜‰

Congratulations to new prof @caitlinkowa.bsky.social for driving this impressive project and roping me in to contribute

www.biorxiv.org/content/10.6...

03.02.2026 02:33 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
What we found is bleak. Attorneys told us they’re struggling to get information in to or out of ICE and Customs and Border Protection facilities, which are holding nearly 69,000 people this month. And detainees often are forced to choose between remaining in crowded, squalid conditions or leaving the country immediately.

Judges in New York, Chicago, and Los Angeles have ordered the government to facilitate attorney-client communications at Homeland Security buildings. But attorneys say that doesn’t always happen. Even if detainees get the option, some worry they’ll be punished if they take it.

What we found is bleak. Attorneys told us they’re struggling to get information in to or out of ICE and Customs and Border Protection facilities, which are holding nearly 69,000 people this month. And detainees often are forced to choose between remaining in crowded, squalid conditions or leaving the country immediately. Judges in New York, Chicago, and Los Angeles have ordered the government to facilitate attorney-client communications at Homeland Security buildings. But attorneys say that doesn’t always happen. Even if detainees get the option, some worry they’ll be punished if they take it.

Lawyers can't reach clients in ICE detention. I've heard it anecdotally, but scale of issue is horrifying.

Bloomberg Law is a legal trade pub so many may miss this. Screenshot from their CA newsletter summarizes "bleak" situation for justice and rule of law.

news.bloomberglaw.com/litigation/l...

31.01.2026 21:15 πŸ‘ 3630 πŸ” 1681 πŸ’¬ 47 πŸ“Œ 58

Only under the model you propose

28.01.2026 20:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

How does the strength of genetic drift evolve over long times?

New preprint out πŸ‘‡

www.biorxiv.org/content/10.6...

27.01.2026 23:20 πŸ‘ 24 πŸ” 14 πŸ’¬ 0 πŸ“Œ 0

So who in the lab gets the first author on the one great paper huh

28.01.2026 16:31 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

New lab preprint! Andrew Frando, Bobby Parsek, and Graham Roberts describe how components of the quinolone quorum sensing circuit of P. aeruginosa interact in competition with another Gram-negative bacterium, S. maltophilia -- it's a three-component AND logic gate.

www.biorxiv.org/content/10.6...

28.01.2026 02:44 πŸ‘ 11 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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Greg Bovino Loses His Job The Border Patrol chief has been ousted from his role as β€œcommander at large,” and will return to El Centro.

This is better than nothing. Good fucking riddance to the micro nazi. Let's hope Noem and Miller are next. Keep calling your politicians. They are clearly feeling the pressure.

Goodnight

www.theatlantic.com/politics/202...

27.01.2026 03:45 πŸ‘ 603 πŸ” 114 πŸ’¬ 36 πŸ“Œ 9

They were not, in fact, greeted as liberators.

26.01.2026 18:32 πŸ‘ 452 πŸ” 76 πŸ’¬ 24 πŸ“Œ 1

oh commuters just found the motherlode of ice agents at a suburban hotel, including, potentially, bovino himself. a bunch of confirmed ICE and CBP cars from the bovino convoy there. spring hill suites in maple grove.

people of the twin cities, do with this info what you will.

26.01.2026 03:44 πŸ‘ 15701 πŸ” 4430 πŸ’¬ 442 πŸ“Œ 225

Damn proud of Minnesota.

26.01.2026 02:01 πŸ‘ 48457 πŸ” 5294 πŸ’¬ 1712 πŸ“Œ 270

🚨HOLY CRAP. An ICE whistleblower just revealed a secret memo authorizing ICE officers to break into homes without a judicial warrant, which DHS's own legal training materials say is unconstitutional!

ICE then hid the memo from the public, passing it along by word of mouth and private conversation.

21.01.2026 22:00 πŸ‘ 27099 πŸ” 16061 πŸ’¬ 1139 πŸ“Œ 1636

Signs that you might live in a police state, albeit one where civil society is still strong

21.01.2026 15:43 πŸ‘ 224 πŸ” 49 πŸ’¬ 0 πŸ“Œ 0
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US Congress set to reject Trump’s sweeping science budget cuts Lawmakers announce legislation that would actually increase funding for basic research by more than 2%.

Nature story about the appropriations "minibus" bill and NIH

www.nature.com/articles/d41...

1/4

21.01.2026 15:42 πŸ‘ 41 πŸ” 19 πŸ’¬ 1 πŸ“Œ 1

Even after Trump is gone, the world will remember that he threatened to forcibly seize the territory of a peaceful democratic ally, and our institutions failed to immediately remove him. That makes US dangerously unreliable, not just one senile gangster.

21.01.2026 14:46 πŸ‘ 9981 πŸ” 3039 πŸ’¬ 29 πŸ“Œ 194

The Times went to non urban Minnesota to ask people why they dislike urban Minneapolis. If someone were to ask me to teach a journalism school course on helicopter reporting, this story - so cliche it’s almost hard to believe they really did this - would immediately go on the syllabus.

15.01.2026 15:55 πŸ‘ 885 πŸ” 193 πŸ’¬ 34 πŸ“Œ 8
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Exclusive: US gets first $500 million Venezuelan oil deal, holding some proceeds in Qatar The details shared with Semafor mark an initial milestone in the administration’s plan following the ouster of NicolΓ‘s Maduro.

The main bank account holding revenue from the Venezuelan oil sales is located in Qatar.

β€œThere is no basis in law for a president to set up an offshore account that he controls so that he can sell assets seized by the American military,” Sen. Elizabeth Warren.

www.semafor.com/article/01/1...

15.01.2026 04:42 πŸ‘ 23666 πŸ” 10836 πŸ’¬ 1628 πŸ“Œ 1181
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James's Fundraising Page at Ski for All

I’m doing a fundraiser again this year for Oregon Adaptive Sports.

Donations help raise funds that support adaptive equipment, instructors, transportation, and scholarships so everyone can access outdoor recreation year-round.

Donate here:
oregonadaptivesports.rallybound.org/ski-for-all/...

15.01.2026 01:56 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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🚨BREAKING: ICE agents just launched flash bang grenades at protesters in front of federal building in Minneapolisβ€”causing massive explosions. "It's terrorizing, this isn't the America I served for 20 years in the U.S. Navy," tearful protester tells us.

WE'RE LIVE NOW ⬇️

14.01.2026 00:43 πŸ‘ 19317 πŸ” 8995 πŸ’¬ 1049 πŸ“Œ 718
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We Are on Our Own From Marc | Our institutions are not going to save us. Only we can do that.

The president of the United States is extorting the Federal Reserve Board Chairman by threatening criminal prosecution if he doesn't lower interest rates.

DOJ is compromised, legacy media is cowed and Big Law is AWOL. As I wrote last year: "We are on our own."

12.01.2026 01:01 πŸ‘ 14252 πŸ” 5536 πŸ’¬ 396 πŸ“Œ 207