Juliana Rodríguez-Fuentes
@julianaxrf.bsky.social
PhD student at University of Bern | Studying the phenotypic effects of chromosomal inversions 🐟 | she/her | COL ⛰️
Pinned
Experimental test of the fitness effects of divergent marine–freshwater chromosomal inversions in stickleback under different salinity conditions - Heredity
Heredity - Experimental test of the fitness effects of divergent marine–freshwater chromosomal inversions in stickleback under different salinity conditions
www.nature.com
Really excited to share my first PhD paper about fitness effects of chromosomal inversions!
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Reposted by Juliana Rodríguez-Fuentes
🏆The winner of the Marie Heim-Vögtlin Prize is Anna Feller!
🌱As an evolutionary biologist, she investigates why closely related species - such as the North American phlox wildflowers - do not reproduce with each other. Her research contributes to our understanding of biodiversity.
👉 sohub.io/inx1
🌱As an evolutionary biologist, she investigates why closely related species - such as the North American phlox wildflowers - do not reproduce with each other. Her research contributes to our understanding of biodiversity.
👉 sohub.io/inx1
Anna Feller wins the 2025 MHV Prize.
YouTube video by Swiss National Science Foundation
www.youtube.com
November 3, 2025 at 8:57 AM
🏆The winner of the Marie Heim-Vögtlin Prize is Anna Feller!
🌱As an evolutionary biologist, she investigates why closely related species - such as the North American phlox wildflowers - do not reproduce with each other. Her research contributes to our understanding of biodiversity.
👉 sohub.io/inx1
🌱As an evolutionary biologist, she investigates why closely related species - such as the North American phlox wildflowers - do not reproduce with each other. Her research contributes to our understanding of biodiversity.
👉 sohub.io/inx1
Reposted by Juliana Rodríguez-Fuentes
We have an open PhD position (application deadline 9 January 2026) in "Theory of fitness landscapes" at @unibe.ch 🤓⛰️📊👩💻🎓: banklab.github.io/positions/
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
October 28, 2025 at 4:22 PM
We have an open PhD position (application deadline 9 January 2026) in "Theory of fitness landscapes" at @unibe.ch 🤓⛰️📊👩💻🎓: banklab.github.io/positions/
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Please share widely!
#QueerInSTEM #DisabledInSTEM #BlackInSTEM #WomenInSTEM #CarersInSTEM #AcademicSky #HigherED
Reposted by Juliana Rodríguez-Fuentes
Applications for the MEME programme (www.evobio.eu
) are now open! MEME is a research- and mobility-oriented master’s in evolutionary biology (& I’m a proud alumna!), jointly run by the Unis of Groningen, Uppsala, Montpellier, and LMU Munich, with Harvard and Lausanne as partners. Spread the word!
) are now open! MEME is a research- and mobility-oriented master’s in evolutionary biology (& I’m a proud alumna!), jointly run by the Unis of Groningen, Uppsala, Montpellier, and LMU Munich, with Harvard and Lausanne as partners. Spread the word!
October 23, 2025 at 12:15 PM
Applications for the MEME programme (www.evobio.eu
) are now open! MEME is a research- and mobility-oriented master’s in evolutionary biology (& I’m a proud alumna!), jointly run by the Unis of Groningen, Uppsala, Montpellier, and LMU Munich, with Harvard and Lausanne as partners. Spread the word!
) are now open! MEME is a research- and mobility-oriented master’s in evolutionary biology (& I’m a proud alumna!), jointly run by the Unis of Groningen, Uppsala, Montpellier, and LMU Munich, with Harvard and Lausanne as partners. Spread the word!
Reposted by Juliana Rodríguez-Fuentes
1/9 New in @science.org www.science.org/doi/10.1126/science.ado8005
How does genetic architecture constrain evolutionary trajectories? To address this question, we inferred the genetic architecture of convergent plumage coloration and its evolutionary history in wheatears.
How does genetic architecture constrain evolutionary trajectories? To address this question, we inferred the genetic architecture of convergent plumage coloration and its evolutionary history in wheatears.
A mosaic of modular variation at a single gene underpins convergent plumage coloration
The reshuffling of genomic variation from multiple origins is an important contributor to phenotypic diversification, yet insights into the evolutionary trajectories of this combinatorial process and ...
www.science.org
October 17, 2025 at 5:50 AM
1/9 New in @science.org www.science.org/doi/10.1126/science.ado8005
How does genetic architecture constrain evolutionary trajectories? To address this question, we inferred the genetic architecture of convergent plumage coloration and its evolutionary history in wheatears.
How does genetic architecture constrain evolutionary trajectories? To address this question, we inferred the genetic architecture of convergent plumage coloration and its evolutionary history in wheatears.
Reposted by Juliana Rodríguez-Fuentes
Master's degree position at Towson University with Daniel Caetano on macroevolutionary and phylogenetic comparative methods! Daniel is an awesome human and a great mentor, share with your students!
caetanods.weebly.com/join-the-lab...
caetanods.weebly.com/join-the-lab...
Join the lab
The Caetano lab at Towson University (Maryland, USA) is seeking a Master's degree student to start in Fall 2026. A Research Assistant (RA) position is available to the student during part (or all) of....
caetanods.weebly.com
October 2, 2025 at 8:50 PM
Master's degree position at Towson University with Daniel Caetano on macroevolutionary and phylogenetic comparative methods! Daniel is an awesome human and a great mentor, share with your students!
caetanods.weebly.com/join-the-lab...
caetanods.weebly.com/join-the-lab...
Reposted by Juliana Rodríguez-Fuentes
New study in @science.org reveals why some animals display striking colors to warn predators while others use camouflage. Our former group leader @hannahmrowland.bsky.social, now @livuni-ives.bsky.social was part of the global project on the evolution of animal colors. www.ice.mpg.de/511966/PR_Me...
Warning colour or camouflage: Why some animals shine bright and others disappear in plain sight
A global study explores why some animals use bright warning colors while others rely on camouflage for predator evasion. Findings reveal that predator competition and habitat influence these strategie...
www.ice.mpg.de
September 26, 2025 at 7:57 AM
New study in @science.org reveals why some animals display striking colors to warn predators while others use camouflage. Our former group leader @hannahmrowland.bsky.social, now @livuni-ives.bsky.social was part of the global project on the evolution of animal colors. www.ice.mpg.de/511966/PR_Me...
Reposted by Juliana Rodríguez-Fuentes
Why are kids not half copies of their parents? How does our DNA control our fertility? Rajalekshmi Narayana Sarma from the @uni-kiel.de answers these and other exciting questions in her talk on 26.09 at 18:00 in the Pumpe.
Free admission
@mpi-evolbio.bsky.social
#ScienceDay
#KielRegion
Free admission
@mpi-evolbio.bsky.social
#ScienceDay
#KielRegion
September 24, 2025 at 12:04 PM
Why are kids not half copies of their parents? How does our DNA control our fertility? Rajalekshmi Narayana Sarma from the @uni-kiel.de answers these and other exciting questions in her talk on 26.09 at 18:00 in the Pumpe.
Free admission
@mpi-evolbio.bsky.social
#ScienceDay
#KielRegion
Free admission
@mpi-evolbio.bsky.social
#ScienceDay
#KielRegion
Reposted by Juliana Rodríguez-Fuentes
Truly impressive number of birds migrating tonight. More than 800 MILLION birds up in the air right now❗ #BirdMigration
September 25, 2025 at 2:59 AM
Truly impressive number of birds migrating tonight. More than 800 MILLION birds up in the air right now❗ #BirdMigration
Reposted by Juliana Rodríguez-Fuentes
"But it exposed how the system works: extract specialist knowledge at low cost and mostly without giving credit, repackage it into global claims and call it collaboration. I declined." @darmenteras.bsky.social
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Equity in science is a beautiful lie — and I’m done pretending
Science isn’t really moving towards equity; institutions are just perfecting the appearance of equity. We need to build an alternative system.
www.nature.com
September 23, 2025 at 5:07 AM
"But it exposed how the system works: extract specialist knowledge at low cost and mostly without giving credit, repackage it into global claims and call it collaboration. I declined." @darmenteras.bsky.social
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Reposted by Juliana Rodríguez-Fuentes
🪽 We are excited to announce an annotated genome assembly for the hoatzin (Opisthocomus hoazin), found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco basins in South America. Special thanks to our collaborator Andrew Crawford! (1/3)
August 22, 2025 at 7:07 PM
🪽 We are excited to announce an annotated genome assembly for the hoatzin (Opisthocomus hoazin), found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco basins in South America. Special thanks to our collaborator Andrew Crawford! (1/3)
Reposted by Juliana Rodríguez-Fuentes
"Pat, why do you carry that ridiculous 600mm lens on long hikes?"
Buddy, I can see mountains reflected in the eyes of a trailside pika.
Buddy, I can see mountains reflected in the eyes of a trailside pika.
August 28, 2025 at 4:18 PM
"Pat, why do you carry that ridiculous 600mm lens on long hikes?"
Buddy, I can see mountains reflected in the eyes of a trailside pika.
Buddy, I can see mountains reflected in the eyes of a trailside pika.
Reposted by Juliana Rodríguez-Fuentes
You're attending #gfoe2025? Want to hear what animals do when the tropical rainforest is suddenly freezing? 🥶 I will talk about this on Monday afternoon
@ecoresearchzoo3.bsky.social @biologie-uniwue.bsky.social
@gfoesoc.bsky.social
@ecoresearchzoo3.bsky.social @biologie-uniwue.bsky.social
@gfoesoc.bsky.social
August 26, 2025 at 6:26 AM
You're attending #gfoe2025? Want to hear what animals do when the tropical rainforest is suddenly freezing? 🥶 I will talk about this on Monday afternoon
@ecoresearchzoo3.bsky.social @biologie-uniwue.bsky.social
@gfoesoc.bsky.social
@ecoresearchzoo3.bsky.social @biologie-uniwue.bsky.social
@gfoesoc.bsky.social
The FOMO is strong but super happy to follow online the awesome work from friends 🥹
MEME alumni (www.evobio.eu) at #ESEB2025! We span so many generations now, from the first cohort (graduated in 2012) to those who are still studying, with master students, PhD students, postdocs, and PIs among us! So happy to get together in every ESEB 🤩
August 20, 2025 at 7:25 AM
The FOMO is strong but super happy to follow online the awesome work from friends 🥹
Really excited to share my first PhD paper about fitness effects of chromosomal inversions!
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Experimental test of the fitness effects of divergent marine–freshwater chromosomal inversions in stickleback under different salinity conditions - Heredity
Heredity - Experimental test of the fitness effects of divergent marine–freshwater chromosomal inversions in stickleback under different salinity conditions
www.nature.com
August 5, 2025 at 11:55 AM
Really excited to share my first PhD paper about fitness effects of chromosomal inversions!
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Using an experimental approach we explored if inversions involved in ecotype divergence in threespine stickleback affect fitness-proxies 1/🧵
www.nature.com/articles/s41...
@heredityjournal.bsky.social
Reposted by Juliana Rodríguez-Fuentes
Congrats to Dr. Dave Lutgen at U Bern for a damn fine dissertation defense today! Keep an eye out for some quality wheatear genomics in the near future, avec Reto Burri and Katie Peichel et al.
May 23, 2025 at 7:48 PM
Congrats to Dr. Dave Lutgen at U Bern for a damn fine dissertation defense today! Keep an eye out for some quality wheatear genomics in the near future, avec Reto Burri and Katie Peichel et al.
Reposted by Juliana Rodríguez-Fuentes
Hello Everyone!
We are back for the 2025 edition of the #EvoBioCC 🥳💚✨
Register to our free online course on Evolutionary Biology, focused on supporting the dreams of Global South students hoping to build their careers in the field! Here is the link:
docs.google.com/forms/d/e/1F...
We are back for the 2025 edition of the #EvoBioCC 🥳💚✨
Register to our free online course on Evolutionary Biology, focused on supporting the dreams of Global South students hoping to build their careers in the field! Here is the link:
docs.google.com/forms/d/e/1F...
EvoBio Crash Course 2025 | Registration Form
The fourth edition of the EvoBio Crash Course has opened registration and we are very happy to have you! We are focusing on delivering a rich course on the basics of evolutionary biology so that stude...
docs.google.com
June 4, 2025 at 8:34 AM
Hello Everyone!
We are back for the 2025 edition of the #EvoBioCC 🥳💚✨
Register to our free online course on Evolutionary Biology, focused on supporting the dreams of Global South students hoping to build their careers in the field! Here is the link:
docs.google.com/forms/d/e/1F...
We are back for the 2025 edition of the #EvoBioCC 🥳💚✨
Register to our free online course on Evolutionary Biology, focused on supporting the dreams of Global South students hoping to build their careers in the field! Here is the link:
docs.google.com/forms/d/e/1F...
Reposted by Juliana Rodríguez-Fuentes
Please share widely!
We are offering the 4th iteration of our free & online crash course in Evolutionary Biology, catered to students in the Global South! Join us this summer for an incredible line of up classes & tutorials from amazing graduate student researchers, covering a vast array of topics!
We are offering the 4th iteration of our free & online crash course in Evolutionary Biology, catered to students in the Global South! Join us this summer for an incredible line of up classes & tutorials from amazing graduate student researchers, covering a vast array of topics!
June 4, 2025 at 8:43 AM
Please share widely!
We are offering the 4th iteration of our free & online crash course in Evolutionary Biology, catered to students in the Global South! Join us this summer for an incredible line of up classes & tutorials from amazing graduate student researchers, covering a vast array of topics!
We are offering the 4th iteration of our free & online crash course in Evolutionary Biology, catered to students in the Global South! Join us this summer for an incredible line of up classes & tutorials from amazing graduate student researchers, covering a vast array of topics!
Reposted by Juliana Rodríguez-Fuentes
Researchers in #ScienceAdvances have uncovered a previously unknown genetic branch of ancient hunter-gatherers local to the Colombian land bridge.
Learn more: scim.ag/4mEsGNL
Learn more: scim.ag/4mEsGNL
A 6000-year-long genomic transect from the Bogotá Altiplano reveals multiple genetic shifts in the demographic history of Colombia
The hunter-gatherer gene pool of the Bogotá Altiplano was replaced by Central American ancestry at least 2000 years ago.
scim.ag
June 2, 2025 at 7:09 PM
Researchers in #ScienceAdvances have uncovered a previously unknown genetic branch of ancient hunter-gatherers local to the Colombian land bridge.
Learn more: scim.ag/4mEsGNL
Learn more: scim.ag/4mEsGNL
Reposted by Juliana Rodríguez-Fuentes
⚠️Highly recommended🐤
Laura Céspedes on her research about the crazy speciation history of Andean Myioborus 🧬
@theaga.bsky.social
blog.theaga.org/eecg-embarka... #birds #andes #genomes #hybridzones
Laura Céspedes on her research about the crazy speciation history of Andean Myioborus 🧬
@theaga.bsky.social
blog.theaga.org/eecg-embarka... #birds #andes #genomes #hybridzones
EECG Embarkation: Studying the interplay of selection and recombination shaping the genomes of warbler hybrids – AGA Blog
blog.theaga.org
May 21, 2025 at 1:04 PM
⚠️Highly recommended🐤
Laura Céspedes on her research about the crazy speciation history of Andean Myioborus 🧬
@theaga.bsky.social
blog.theaga.org/eecg-embarka... #birds #andes #genomes #hybridzones
Laura Céspedes on her research about the crazy speciation history of Andean Myioborus 🧬
@theaga.bsky.social
blog.theaga.org/eecg-embarka... #birds #andes #genomes #hybridzones
Reposted by Juliana Rodríguez-Fuentes
Now out in print! Elli Cryan (coadvised by @spicybotrytis.bsky.social) digs deep into the sgtructure and function of hybrid incompatibility loci in maize. Among other things she discovers a conserved, ancient pseudogene haplotype that silences the locus in trans! academic.oup.com/genetics/adv...
May 8, 2025 at 3:29 AM
Now out in print! Elli Cryan (coadvised by @spicybotrytis.bsky.social) digs deep into the sgtructure and function of hybrid incompatibility loci in maize. Among other things she discovers a conserved, ancient pseudogene haplotype that silences the locus in trans! academic.oup.com/genetics/adv...
Reposted by Juliana Rodríguez-Fuentes
Interested in a PhD connecting sensory ecology and evolutionary genetics? Applications are now open for a project on the Speciation Genomics of Eye Size Variation in Heliconius Butterflies in our lab at LMU Munich: www.evol.bio.lmu.de/research/mer... Please repost!
May 6, 2025 at 11:40 AM
Interested in a PhD connecting sensory ecology and evolutionary genetics? Applications are now open for a project on the Speciation Genomics of Eye Size Variation in Heliconius Butterflies in our lab at LMU Munich: www.evol.bio.lmu.de/research/mer... Please repost!
Reposted by Juliana Rodríguez-Fuentes
1/9 Excited to share the preprint for the second half of my PhD with @mollyschumer.bsky.social: Connecting human environmental impacts to hybridization in swordtail fish through genomics, GIS, water chemistry, and histology. Thread below!
#SciSky
www.biorxiv.org/content/10.1...
#SciSky
www.biorxiv.org/content/10.1...
Increased rates of hybridization in swordtail fish are associated with water pollution
Biodiversity loss can occur when disturbance compromises the reproductive barriers between species, causing them to collapse into a single population through hybridization. Recent research has documen...
www.biorxiv.org
May 1, 2025 at 1:15 PM
1/9 Excited to share the preprint for the second half of my PhD with @mollyschumer.bsky.social: Connecting human environmental impacts to hybridization in swordtail fish through genomics, GIS, water chemistry, and histology. Thread below!
#SciSky
www.biorxiv.org/content/10.1...
#SciSky
www.biorxiv.org/content/10.1...
Reposted by Juliana Rodríguez-Fuentes
A cool part of expending hours quietly in front of a bivouac is that one experiences non-common encounters. Here there is a Rufous-vented ground cuckoo who is one of the many army ants followers.
May 1, 2025 at 4:19 PM
A cool part of expending hours quietly in front of a bivouac is that one experiences non-common encounters. Here there is a Rufous-vented ground cuckoo who is one of the many army ants followers.
Reposted by Juliana Rodríguez-Fuentes
"Many of the events predicted for 2050 or 2070 are already happening. We underestimated the speed of change."
#climatechange
https://www.theguardian.com/environment/2025/apr/30/india-and-pakistan-already-sweltering-in-new-normal-heatwave-conditions
#climatechange
https://www.theguardian.com/environment/2025/apr/30/india-and-pakistan-already-sweltering-in-new-normal-heatwave-conditions
April 30, 2025 at 5:32 AM
"Many of the events predicted for 2050 or 2070 are already happening. We underestimated the speed of change."
#climatechange
https://www.theguardian.com/environment/2025/apr/30/india-and-pakistan-already-sweltering-in-new-normal-heatwave-conditions
#climatechange
https://www.theguardian.com/environment/2025/apr/30/india-and-pakistan-already-sweltering-in-new-normal-heatwave-conditions
Reposted by Juliana Rodríguez-Fuentes
The most profound insights are often also the most simple:
growth-rate, by setting the dilution rate of intra-cellular molecules, controls the sensitivity of gene regulatory circuits. In retrospect it seems crazy that this effect seems to have been overlooked so far.
www.science.org/doi/10.1126/...
growth-rate, by setting the dilution rate of intra-cellular molecules, controls the sensitivity of gene regulatory circuits. In retrospect it seems crazy that this effect seems to have been overlooked so far.
www.science.org/doi/10.1126/...
Growth rate controls the sensitivity of gene regulatory circuits
Through the simple effect of dilution rate, regulatory circuits systematically change their sensitivity with growth rate.
www.science.org
April 29, 2025 at 1:28 PM
The most profound insights are often also the most simple:
growth-rate, by setting the dilution rate of intra-cellular molecules, controls the sensitivity of gene regulatory circuits. In retrospect it seems crazy that this effect seems to have been overlooked so far.
www.science.org/doi/10.1126/...
growth-rate, by setting the dilution rate of intra-cellular molecules, controls the sensitivity of gene regulatory circuits. In retrospect it seems crazy that this effect seems to have been overlooked so far.
www.science.org/doi/10.1126/...