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Mike O'Donnell

@mike-od.bsky.social
526 followers 732 following 6 posts

Worms, bacteria and the brain. Asst Prof @MCDB Yale. odonnelllab.yale.edu

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Reposted by Mike O'Donnell
Andrew Leifer @andrewleifer.bsky.social · 18/05/2026
We're hiring a postdoc to develop and use custom optical instruments for measuring and manipulating neural activity in worms and flies. Please apply via interfolio: apply.interfolio.com/186001
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Reposted by Mike O'Donnell
Buck Samuel 🪱🦠🧬🔬 @microbeminded.bsky.social · 09/05/2026
Opening for a #postdocjob in modeling of #genetics of host- #microbiome interactions in #Celegans at @bcmhouston.bsky.social — take a look here: www.linkedin.com/jobs/view/44... Questions or apply via cover letter, CV, and references to bucks [at] bcm.edu . Hiring ASAP! #microsky #jobs 🦠🪱🧬
linkedin.com
Baylor College of Medicine hiring Postdoctoral Fellow in Genetics of Host-Microbiome Interactions in Houston, TX | LinkedIn
Posted 7:15:27 PM. Company DescriptionBaylor College of Medicine, located in the Texas Medical Center in Houston, is…See this and similar jobs on LinkedIn.
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Buck Samuel 🪱🦠🧬🔬 @microbeminded.bsky.social · 02/05/2026
Very cool study by @emilyleptich.bsky.social and @rnareylab.bsky.social showing insulin regulation of learning and memory in #Celegans! journals.plos.org/plosgenetics...
journals.plos.org
INS-17 acts as a nutrient deprivation signal to mediate adult IIS-regulated associative behaviors in C. elegans
Author summary Insulin signaling is a diverse actor that regulates many processes essential for life from growth and development, aging, cognition, among many others. However, how insulin signaling re...
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Reposted by Mike O'Donnell
Roy Zang @cellulo-evo.bsky.social · 18/02/2026
How do #sponges coordinate their bodies despite lacking neurons and true muscles? We show that sponges use monoamines to control water flow in their canals — reminiscent of how adrenaline regulates blood vessels. My PhD story, now on BioRxiv: www.biorxiv.org/content/10.6... #Evolution
Evolution of monoamine reception and its role in cellular contractility.
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Monika Scholz @monikakscholz.bsky.social · 29/01/2026
Another one with our next door colleagues! @marianneroca.bsky.social in @jameslightfoot.bsky.social's group found the IL2 neurons detecting prey (this study) are also sensing octopamine, which we recently found plays an important role in predatory aggression! www.nature.com/articles/s41...
nature.com
Predatory aggression evolved through adaptations to noradrenergic circuits - Nature
Noradrenergic circuits support and balance aggressive behavioural states in predatory nematodes, distinguish predatory from non-predatory nematode species and are associated with the evolution of comp...
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David Breslow Lab @davidbreslowlab.bsky.social · 20/11/2025
Ever wanted to do a genome-scale CRISPR screen for a microscopy phenotype? Pooled CRISPR screens are amazing, but hard to combine with imaging... Excited to share our latest work in Dev Cell on a technology platform for imaging screens and applications to primary cilia: www.cell.com/developmenta...
cell.com
A microscopy-based CRISPR screening platform enables organellar functional genomics and illuminates ciliary biology
Sun et al. develop a microscopy-based CRISPR screening platform that combines ease of implementation with flexible analysis of live-cell or antibody-based markers. Screens in human cells using a serie...
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Kristyn Lizbinski @kristyn-lizbinski.bsky.social · 09/11/2025
Excited to share my most recent postdoctoral work in the Jeanne lab @yaleneuro.bsky.social ! “Sensory processing reformats odor coding around valence and dynamics” www.biorxiv.org/content/10.1... We ask: how is a sensory code transformed across multiple stages of processing to inform behavior?
biorxiv.org
Sensory processing reformats odor coding around valence and dynamics
Extracting relevant features of a complex sensory signal typically involves sequential processing through multiple brain regions. However, identifying the logic and mechanisms of these transformations...
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David Breslow Lab @davidbreslowlab.bsky.social · 30/10/2025
Excited to share our latest work on a new cilia disassembly pathway and a link between this pathway and the neurological disorder focal cortical dysplasia: www.science.org/doi/10.1126/... Brief summary: we used a genome-wide CRISPRa GOF screen to identify negative regulators of ciliary signaling...
science.org
A CRISPR activation screen reveals a cilia disassembly pathway mutated in focal cortical dysplasia
A gain-of-function screen uncovers a cilia disassembly pathway linked to genes somatically mutated in neurodevelopmental disease.
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Mike O'Donnell @mike-od.bsky.social · 24/10/2025
I'm thrilled to share our new preprint, in which we've found that neurotransmitters can be chemically "marked" as a way to incorporate metabolic history - such as diet or life stage. www.biorxiv.org/content/10.1... Led by Porhathai "Un" Malaiwong, Allen Schroeder and Tia Brown. (1/6) 🧵
biorxiv.org
Nuclear receptor-neurotransmitter coupling links behavior to metabolic state
Animals must flexibly respond to environmental stimuli to survive, and optimal responses critically depend on the organism's current needs. Many organisms have evolved both cell-intrinsic and intertis...
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Piali Sengupta @senguptalab.bsky.social · 16/10/2025
Despite the mess, we are grateful to be funded, have exciting science happening, and have an opening for a postdoc! If you are interested in sensory biology and esp in cilia, thermosensation, or interoception, and would like to join an interactive & supportive group - please email. Please RT 🙏
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Matt Rockman @wormsrock.bsky.social · 24/09/2025
C. elegans is a real animal and we set out to understand how it comes to have its distinctive biogeography. Its ancestral center of diversity is in the higher elevation forests of Hawaii. Its closest relatives are spread across east Asia. Did they travel from Asia? [Preprint 🧵]
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Siggy Nachtergaele @siggyn5.bsky.social · 15/09/2025
Thrilled to share a new preprint from the lab! We investigated how m6A regulates the transcriptome in chemoresistant glioblastoma through unexpected mechanisms, and the potential therapeutic applications of this discovery. Check out the preprint here ⬇️ www.biorxiv.org/content/10.1...
biorxiv.org
N6-methyladenosine promotes temozolomide resistance through non-canonical regulation of mRNA stability in glioblastoma cells
N6-methyladenosine (m6A) is a critical regulator of mRNA processing and function, impacting nearly every step of the mRNA lifecycle. Changes in m6A status have been implicated in many different types ...
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Piali Sengupta @senguptalab.bsky.social · 30/07/2025
Well, none of us may ever get funded again but in the meantime, here's some new science! Led by recent PhD Anjali Pandey w/ex-UG Maya Katz. Here we identify an asymmetric molecular mechanism that underlies symmetric context-dependent sensory plasticity in the AWC olfactory neuron pair in C. elegans
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Felix Baier @felixbaier.bsky.social · 23/07/2025
🚨Very happy that my PhD work is now out in @nature.com! We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments www.nature.com/articles/s41... This was a truly collaborative effort! 🧵⬇️
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junhyongkim.bsky.social @junhyongkim.bsky.social · 20/06/2025
Despite all that is going on, we are still all working on our science. Our 2nd collaboration with @jisaacmurray.bsky.social‬ and Bob Waterston (UW) is out: Lineage-resolved analysis of embryonic gene expression evolution in C. elegans and C. briggsae | Science www.science.org/doi/10.1126/...
science.org
Lineage-resolved analysis of embryonic gene expression evolution in C. elegans and C. briggsae
The constraints that govern the evolution of gene expression patterns across development remain unclear. Single-cell RNA sequencing can detail these constraints by systematically profiling homologous ...
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Reposted by Mike O'Donnell
Willem Laursen @willemlaursen.bsky.social · 28/05/2025
Our posting for a research technologist is now live! This job is ideally suited for a recent college grad interested in lab experience. Please spread the word! uwhires.admin.washington.edu/ENG/Candidat...
uwhires.admin.washington.edu
UW Human Resources
University of Washington Human Resources
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Michael Baym @baym.lol · 14/05/2025
Yesterday, the NIH R35 “Outstanding Investigator” grant to fund scientists in my lab studying antibiotic resistance was terminated for reasons not related to the content of the science, or any actions taken by me or members of my lab
A screenshot of the termination notice showing "Outstanding Investigator Grants"A screenshot of the termination notice with "This award is terminated effective the date of this award, due to unsafe antisemitic actions that suggest the institution lacks concern for the safety and wellbeing of Jewish students." highlighted
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Tim Behrens @behrenstimb.bsky.social · 01/12/2024
OK If we are moving to Bluesky I am rescuing my favourite ever twitter thread (Jan 2019). The renamed: Bluesky-sized history of neuroscience (biased by my interests)
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Michael P Hart 🏳️‍🌈 (he/him) @michaelphart1.bsky.social · 11/11/2024
New paper ALERT!! Mara Cowen, PhD discovered and defined how conserved autism-associated genes modify a 'social' behavior in C. elegans!! So proud of her work in the lab! www.nature.com/articles/s41...
nature.com
Conserved autism-associated genes tune social feeding behavior in C. elegans - Nature Communications
C. elegans aggregate in large clumps during feeding. Here, the authors find conserved autism-associated genes mediate distinct molecular and circuit signaling components that tune C. elegans feed...
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Piali Sengupta @senguptalab.bsky.social · 26/11/2024
🧪 Lab's latest!! Work by PD (and now PI) Alison Philbrook. C. elegans sensory neurons have gorgeous #cilia. We’ve always thought that a) no cilia = no sensory responses, & b) no IFT = no cilia. Punchline is we thought wrong. Read paper for more! #neuroscience journals.plos.org/plosbiology/...
journals.plos.org
Cilia structure and intraflagellar transport differentially regulate sensory response dynamics within and between C. elegans chemosensory neurons
The relative contributions of intraflagellar transport (IFT) and cilia structure to sensory neuron responses remains unclear. This study reveals unexpected complexity in the contribution of IFT and ci...
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