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christophgiez.bsky.social

@christophgiez.bsky.social
133 followers 301 following 2 posts

HFSP Postdoctoral fellow @crick.ac.uk, EMBO fellow alumni, Postdoc in the Neuronal Circuits and Evolution Lab Working on evolution of neuronal circuits #Drosophila #Neuroscience | #Evolution | Neuronal #Circuits | #Connectome | #Olfaction 🪼🪰

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Daniel Kronauer @danielkronauer.bsky.social · 09/10/2026
In this new preprint, we provide the first characterization of the chemosensory system of an ant larva. The image shows the head of a clonal raider ant larva in which olfactory sensory neurons are stained with an antibody. Spearheaded by MD/PhD student Daniel Pastor. www.biorxiv.org/content/10.6...
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Carolina Rezaval @crezaval.bsky.social · 16/09/2026
We’re hiring two postdocs! Join the our Lab @unibirmingham.bsky.social to uncover how the brain resolves behavioural conflicts. Deadline: 22 September 2026 @wellcometrust.bsky.social Please share! www.rezavallab.org
jobs.ac.uk
Research Fellow (Postdoctoral) at University of Birmingham
Apply for the Research Fellow (Postdoctoral) role on jobs.ac.uk, the top job board for academic positions in higher education. View details and apply now.
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Stephen Montgomery @ebablab.bsky.social · 15/09/2026
Are you a #NewPI in Ecology & Evolution? Would you like to meet with peers to chat about work, the future and life as a new PI? 🍪☕️ Then I have the form for you! 📋 Help us gauge interest in a new network/event by filling in this short survey: forms.cloud.microsoft/e/K4wUiuLuFn Please RT! 🙏
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Philipp Brand @pbrand.bsky.social · 01/09/2026
We are looking for a research assistant to join our team. brain.mpg.de/brand Apply using the link below if you are interested in doing research on the neural and genetic underpinnings of behavioral evolution. jobs.brain.mpg.de/jobposting/6...
Description of job ad for Research Assistant in the lab of Evolutionary Neuroscience and Behavior Lab at the Max Planck Institute for Brain Research.Description of job ad for Research Assistant in the lab of Evolutionary Neuroscience and Behavior Lab at the Max Planck Institute for Brain Research.
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Meg Younger @megyounger.bsky.social · 11/09/2026
Excited to share this work from @darbly.bsky.social's lab and my lab with @davidhildebrand.bsky.social @briandepasquale.bsky.social and many others! It turns out that the sensory neurons that detect CO2 in Aedes aegypti mosquitoes have lots of recurrent connections! 🦟👃🌟
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Stanley Heinze @stanley-heinze.bsky.social · 30/07/2026
New preprint! www.biorxiv.org/content/10.6... Nearly a decade after starting the project, the first major results from our comparative connectomics work is online! Comparing the head direction circuits of the central complex in bees, ants and flies, recapitulating >300million years of evolution.
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Manx Neurobiologist @garyrlewin.bsky.social · 15/07/2026
For me this paper is a career highlight..truly astonishing biology! www.nature.com/articles/s41...
nature.com
A queen odour mediates reproductive suppression in a eusocial mammal - Nature
Naked mole-rat (Heterocephalus glaber) queens produce isopropyl myristate, a low-volatility ester that high-ranking animals detect and avoid, which alters prolactin and progesterone in other females t...
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Jan M. Ache @jan-ache.bsky.social · 13/07/2026
This paper is now published in its final (and much improved) form in @currentbiology.bsky.social. Check it out: www.sciencedirect.com/science/arti... Huge thanks to @sanderliessem.bsky.social, Stefan Dahlhoff, all our co-authors & our collaborators in the @postpop.bsky.social and Büschges labs.
kwnsfk27.r.eu-west-1.awstrack.me
Control of walking direction by descending and dopaminergic neurons in Drosophila
Animals fine-control the speed and direction of locomotion to navigate complex and dynamic environments. To achieve this, they integrate multimodal se…
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Chen @xenopuselegans.bsky.social · 23/06/2026
Many thanks to David @wyomingwormboy.bsky.social, Ben Szaro (PhD advisor), and Oliver Hobert (postdoc advisor) for encouraging me to share it more widely. And if anyone is curious about the side project itself, here it is without the emotional backstory: elifesciences.org/articles/95402
elifesciences.org
A neurotransmitter atlas of C. elegans males and hermaphrodites
Expression pattern analysis of neurotransmitter synthesis, secretion, and reuptake machinery reveals animal-wide usage of neurotransmitters in both sexes of Caenorhabditis elegans.
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Bahl Lab @bahllab.bsky.social · 22/06/2026
New paper out: www.cell.com/iscience/ful... Congratulations to our former PhD student @maxcapelle.bsky.social whose work reveals that the switch in light preference across zebrafish development is driven by a reweighting of three parallel visual processing pathways. Check out a short summary below!
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tomtom-auer.bsky.social @tomtom-auer.bsky.social · 18/06/2026
How do duplicated receptor genes "find a home" in olfactory circuits? Great study by the Arguello lab shows the re-coding of olfactory channels across species. Neat combination of phylogenetic reconstruction, sc-transcriptomics and more. Check out the pre-print: www.biorxiv.org/content/10.6...
biorxiv.org
Evolutionary Recoding of Olfactory Sensory Neurons
Odorant receptors ( Or s) are the interface between an animal’s nervous system and its olfactory environment. In insect genomes, the Or s are often the largest gene family, and their rapid duplication...
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Pawel Burkhardt @pawelburkhardt.bsky.social · 16/06/2026
How ancient are the building blocks of animal sensory systems? Key components of animal sensory systems evolved before animals. We find that choanoflagellates possess diverse & spatially segregated TRP channels, pointing to ancient origins of sensory specialization. doi.org/10.64898/202...
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Zebrafish Rock! 🎃 @zebrafishrock.bsky.social · 04/06/2026
Very cool #cavefish findings 🔥
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Tobias Ackels @tobiasackels.bsky.social · 12/05/2026
🚨 Preprint alert! 🚨 How does the olfactory bulb transform overlapping sensory inputs into representations that are easier to distinguish? New study by Sina Tootoonian, Yikai Yang, @andreas-t-schaefer.bsky.social @crick.ac.uk and myself.‬ www.biorxiv.org/content/10.6... A short 🧵 below
biorxiv.org
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Benjamin Judkewitz @benjulab.bsky.social · 16/03/2026
How do fish localize sound without interaural cues? @johve.bsky.social et al. found a behavioral algorithm for directional hearing that predicts behavior from a pressure/motion phase comparison and accounts for how this relationship varies with distance. www.cell.com/current-biol...
cell.com
An algorithm underlying directional hearing in fish
Veith et al. show how a fish—Danionella cerebrum—can reliably startle away from sound. It uses the relative phase between particle motion and pressure to infer the direction of sound. This sensorimoto...
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Meet Zandawala @zandawala.bsky.social · 20/04/2026
Can a single brain cell decide whether to eat or not? 🧠🪰 Turns out... yes. And we found it in the fruit fly. A pair of neurons called SELKs (subesophageal leucokinin neurons) can drive feeding behavior in both directions. They promote it or suppress it. Here's how: 🧵
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Katrin Vogt @katrinvogt.bsky.social · 31/03/2026
Check out our new preprint and learn about the smart foraging behavior of fly larvae! www.biorxiv.org/content/10.6...
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John Tuthill @tuthill.bsky.social · 24/03/2026
🧵 New preprint led by @bingbrunton.bsky.social, @elliottabe.bsky.social, @lawrencehu.bsky.social We gave a worm brain control of a fly body and it walked What did we learn? Nothing, other than deep reinforcement learning is effective We call it the digital sphinx www.biorxiv.org/content/10.6...
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Venki Murthy @neurovenki.bsky.social · 24/03/2026
Evolution seems to have repeatedly converged on a similar architecture in the early olfactory system of many animals. We offer an efficient-coding framework to understand this. Out in @pnas.org now! Led by @jzv.bsky.social, driven by Juan Carlos, + help from Farhad. www.pnas.org/doi/10.1073/...
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Margarida Cardoso Moreira @margaridamcm.bsky.social · 23/03/2026
London Evo-Devo is back! Join us on May 5th for another excellent afternoon of talks and discussions on all things Evo-Devo. We are building a wonderful community, and we need you!
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Hannah Haberkern @hannah-haberkern.bsky.social · 19/03/2026
How does an animal choose between exploring for a better food source and taking advantage of a known one? Our recent work in Current Biology demonstrates how recent feeding and metabolic state dynamically influence fly local search. bit.ly/3PfrIv3 #Science #Neurosky #Foraging #Drosophila
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Bahl Lab @bahllab.bsky.social · 12/03/2026
How do development and genetics shape evidence integration? 🧠 In our new preprint, we dissect how sensory evidence accumulation over time guides decisions. Want to know more? Keep reading or or come to Roberto's poster 1-003 this Thursday at #Cosyne2026. (1/4) Preprint: doi.org/10.64898/202...
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Benjamin Judkewitz @benjulab.bsky.social · 05/03/2026
First whole-brain recording of social sound processing in a vertebrate. Surprises start in the hindbrain; thalamus gates conspecific calls; male and female brains diverge downstream. Work by @joerghenninger.bsky.social, @mh123.bsky.social sky.social and team. www.biorxiv.org/content/10.6...
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Stanley Heinze @stanley-heinze.bsky.social · 01/03/2026
After 5 years of developing, a new preprint from the lab - introducing our workflow for comparative insect connectomics, aimed at democratizing connectomics. @erc.europa.eu @lundvision.bsky.social @biologylu.bsky.social Read it here: www.biorxiv.org/content/10.6...
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Margarida Cardoso Moreira @margaridamcm.bsky.social · 25/02/2026
Our internal organs are evolutionary marvels. New technologies are transforming our understanding of the evolution of vertebrate organs. You can find more by reading here: rdcu.be/e5EgU #EvoBio #EvoDevo 🐟🦎🐢🦇🐊🦜
rdcu.be
The molecular evolution of vertebrate organs
Nature Ecology & Evolution - This Review discusses recent advances in the molecular evolution of vertebrate organs, including rates of evolution of organs and cell types, molecular mechanisms...
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Philipp Brand @pbrand.bsky.social · 27/02/2026
@annaryba.bsky.social's paper on the neural underpinnings of intraspecific behavioral variation is now out in @currentbiology.bsky.social Highly recommend! -> Paper identifies neural substrate for variation in promiscuity among Drosophila melanogaster strains🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
Strain variation identifies a neural substrate for behavioral evolution in Drosophila
Sexual selection acts on heritable differences within species, driving the parallel diversification of signal production in one sex and behavioral res…
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International Society for Neuroethology @neuroethology.org · 27/02/2026
Mate choice evolves through the variation of signal production in one sex and behavioral responses in the other: what is the underlying🧠mechanism🕵️? The Ruta lab identified variability in a circuit involved in courtship in🪰strains, a substrate for evolutionary selection! www.cell.com/current-biol...
cell.com
Strain variation identifies a neural substrate for behavioral evolution in Drosophila
Ryba et al. uncover extensive variation in male mate preference among D. melanogaster strains and show that it maps to heritable differences in a central inhibitory pheromone circuit controlling court...
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Margarida Cardoso Moreira @margaridamcm.bsky.social · 04/02/2026
A beautiful example of how deep learning can be put to use in evolutionary biology!
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James Lightfoot @jameslightfoot.bsky.social · 21/01/2026
Why do some worms graze on bacteria while others hunt and kill? Our study, published today in Nature, reveals how predatory aggression evolved in nematodes. Led by @gunizgozeeren.bsky.social and @leoboeger.bsky.social across the @jameslightfoot.bsky.social and @monikakscholz.bsky.social labs.
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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tomtom-auer.bsky.social @tomtom-auer.bsky.social · 27/11/2025
Excited to share the latest work from the lab: rdcu.be/eRWuD Great team effort, led by @enriberti.bsky.social first at @unil.bsky.social and now @unifr.bsky.social; with fantastic collaborators @ribeirocarlitos.bsky.social and @dahaniel.muench.bio.
rdcu.be
Evolution of taste processing shifts dietary preference
Nature - Calcium imaging of taste neurons and the ventral brain provides insight into evolutionary divergence of food choice in Drosophila species, supporting a role of sensorimotor processing in...
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Kelsey Tyssowski @kelseytea.bsky.social · 22/10/2025
🧠🌟🐭 Excited to share some of my postdoc work on the evolution of dexterity! We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have: (1) more corticospinal neurons (CSNs) (2) better hand dexterity (3) more dexterous climbing, which is linked to CSN number🧵
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Pawel Burkhardt @pawelburkhardt.bsky.social · 27/10/2025
First neurons didn’t appear overnight. We trace their roots to ancient secretory cells - showing how lifestyle & behavior shaped the evolution of first synapses.🧠🌊 #Evolution #Neuroscience Our latest in @natrevneuro.nature.com Link: rdcu.be/eMX3E @jeffcolgren.bsky.social @msarscentre.bsky.social
rdcu.be
The evolutionary origins of synaptic proteins and their changing roles in different organisms across evolution
Nature Reviews Neuroscience - Recent studies have shed further light on the evolutionary origins of chemical synapses, In this Review, Colgren and Burkhardt explore how ancient proteins were...
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eLife @elife.bsky.social · 25/10/2025
By comparing differently tuned glomeruli, this work shows that the brain uses different circuit layouts for specialised vs general smells, offering new insight into how odour meaning is encoded. buff.ly/XDmo4Ue
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Catherine (Katie) Schretter @ceschretter.bsky.social · 23/10/2025
Excited to announce our new pre-print (www.biorxiv.org/cgi/content/...)! This collaborative work (co-led by Adriane Otopalik and Gerry Rubin) examines how neuronal circuits regulate social behaviors, like courtship🫶 and aggression🥊, across sexes. #neuroscience #Drosophila #WomenInSTEM 🧪1/
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Alex de Mendoza @alexdemendoza.bsky.social · 20/10/2025
Come join the #LondonEvoDevo network half day meeting, hosted at @ucl.ac.uk on Friday November 7th, 2025. Submit your abstract by Oct 27th (or your interest in joining) here: forms.gle/TRbdrCkQTcY2.... Friendly vibes and free registration. More info here: londonevodevo.co.uk.
londonevodevo.co.uk
LondonEvoDevo
meeting's website
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Philipp Brand @pbrand.bsky.social · 16/10/2025
Excited to share our new #biorxivpreprint We discovered that the fruit fly #drosophila erecta requires food odor to mate and arousal is further enhanced by social group motion. Cross-species analysis of brain activity reveals a novel gate evolved from within a conserved circuit shorturl.at/gGYm7
a group of Drosophila erecta fruit flies on a small food patch. flies on white background
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Greg Jefferis @jefferis.bsky.social · 15/10/2025
Excited to share our new #biorxivpreprint: “Sexual dimorphism in the complete connectome of the Drosophila male central nervous system” www.biorxiv.org/content/10.1... We describe the #connectomics reconstruction and analysis of an entire adult #maleCNS #drosophila central nervous system. 1/10
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The Francis Crick Institute @crick.ac.uk · 09/10/2025
We're now recruiting early career group leaders at the Crick to lead ambitious research programmes and explore bold scientific questions. Hear our Director, Edith Heard, explain why the Crick is a unique place for curiosity-driven research. Apply now ➡️ www.crick.ac.uk/careers-stud...
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Lucia Prieto Godino @neuroluci.bsky.social · 08/10/2025
We are recruiting PhD students! If you are interested in evolutionary neuroscience, consider applying: www.crick.ac.uk/careers-stud...
crick.ac.uk
Prieto Godino Lab | Cellular and molecular bases of neural circuit and behavioural evolution
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Richard Benton @bentonlab.bsky.social · 06/10/2025
Having personally sworn for years that insects don’t use GPCRs for odour detection, Suguru Takagi (@sugurutakagi.bsky.social) discovers that, in fact, they sometimes do … www.biorxiv.org/content/10.1...
biorxiv.org
A GPCR signaling pathway in insect odor detection
Odor detection differs fundamentally in vertebrates, which use G protein-coupled receptors (GPCRs), and insects, which employ ion channels. Here, we report the first evidence for a GPCR defining tunin...
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Greg Jefferis @jefferis.bsky.social · 05/10/2025
Exciting news for #drosophila #connectomics and #neuroscience enthusiasts: the Drosophila male central nervous system connectome is now live for exploration. Find out more at the landing page hosted by our Janelia FlyEM collaborators www.janelia.org/project-team....
janelia.org
Male CNS Connectome
A team of researchers has unveiled the complete connectome of a male fruit fly central nervous system —a seamless map of all the neurons in the brain and nerve cord of a single male fruit fly and the ...
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Ana Marija Jakšić @merianelion.bsky.social · 30/09/2025
🚨Preprint🚨 What started as an attempt to compare CT scans of diverse fly brains, ended up a new concept for analysis & segmentation of difficult tomographic data. No ground truths, no training, just maths. This is TopoTome, topological data analysis of 3D images www.biorxiv.org/content/10.1...
Figure showing 3 panels. Panel A: workflow of a classical deep learning model vs TopoTome workflow, with marked differences between the methods, including manual segmentation of images, design and optimization of neural network and data post processing that is needed in deep learning workflow but not in TopoTome. Panel B: core concepts behind TopoTome shown connected by arrows. From left to right, there is a microCT scan of a fly brain (3D reconstruction), a persistence barcode of H2 homologies, an image of how persistent barcodes map to the original CT brain scan, and a segmentation of a CT scan. Panel C shows the concept of cubical complex filtration of 2D and 3D image data.
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Daniel Kronauer @danielkronauer.bsky.social · 19/09/2025
The final version of our paper on how ants and possibly other insects use a crazy mechanism involving extensive transcriptional interference to regulate odorant receptor expression is now open access in my favorite journal, @currentbiology.bsky.social authors.elsevier.com/sd/article/S...
authors.elsevier.com
ScienceDirect.com | Science, health and medical journals, full text articles and books.
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The Rockefeller University @rockefeller.edu · 19/09/2025
A new study in ants from @danielkronauer.bsky.social reveals a previously unknown mechanism that ensures that each olfactory neuron expresses only one odorant receptor, with broad implications for the study of gene regulation. #RockefellerScience bit.ly/4pwPFLY
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Emmanuel Perisse @manuperisse.bsky.social · 15/09/2025
You just finished your PhD and you are looking for a postdoc to study stress-dependent modulation of learning. We are using the powerful fly model to understand the underlying circuits and mechanisms. You can apply here: emploi.cnrs.fr/Offres/CDD/U...
emploi.cnrs.fr
Portail Emploi CNRS - Offre d'emploi - Postdoc position (M/F) in Neuroscience, stress modulation of learning (H/F)
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Greg Jefferis @jefferis.bsky.social · 21/08/2025
Neuronal diversity is written in transcriptional codes 🧬. But what is the logic of these codes that define cell types and wiring patterns? To find out we built a #scRNAseq developmental atlas of the Drosophila nerve cord and linked it to the #connectome 🪰🧠 #preprint thread ⬇️1/8
ALT text: A UMAP representation of a single cell RNAseq dataset from the Drosophila ventral nerve cord as well as images of the Drosophila nerve cord connectome and different stages of fly development.
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Dr. Or M. Bialik |📚|🔬|🌊|⚒️ @obialik.bsky.social · 17/08/2025
Some behaviors are genetic, not learned, which means, theoretically, that they are transferable. That is exactly what this experiment demonstrated. Manipulation of one gene made one species of fruit fly gain the behavior of another. 🧪 Link: www.science.org/doi/10.1126/...
Drosophila subobscura males regurgitate food and offer it as a gift to females during courtship
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Lucia Prieto Godino @neuroluci.bsky.social · 13/08/2025
Thank you @thetransmitter.bsky.social and @martajhill.bsky.social for highlighting our work!
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Katrin Vogt @katrinvogt.bsky.social · 12/08/2025
Exciting new paper from the Bahl lab @bahllab.bsky.social @zwitscherarmin.bsky.social and Katja Slangewal about parallel and convergent processing pathways of different visual features in the larval zebrafish brain🐟 www.biorxiv.org/content/10.1...
biorxiv.org
Parallel and convergent pathways for multifeature visual processing in larval zebrafish sensorimotor decision-making
Animals continuously extract and evaluate diverse sensory information from the environment to guide behavior. Yet, how neural circuits integrate multiple, potentially conflicting, inputs during decisi...
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The Transmitter @thetransmitter.bsky.social · 01/08/2025
Some parts of the Drosophila olfactory circuit have evolved more than others, according to a new comparison of two fruit fly species’ connectomes. By @martajhill.bsky.social #neuroskyence www.thetransmitter.org/connectome/c...
thetransmitter.org
Cross-species connectome comparison shows uneven olfactory circuit evolution in flies
The findings start to reveal evolutionary changes that may have helped two species develop different olfactory preferences and adapt to their particular environments.
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