Lauren Harrison
@laurenmharrison.bsky.social
📤 165
📥 323
📝 8
Postdoc | animal behaviour, sexual selection and ageing
Cool new fly sperm paper 🪰 Sperm length and seminal fluid proteins promote male reproductive success in Drosophila melanogaster LINK:
academic.oup.com/jeb/article-...
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Sperm length and seminal fluid proteins promote male reproductive success in Drosophila melanogaster
Abstract. Spermatozoal morphology varies widely within and among species, often corresponding to the shape of the female sperm storage organs in ways that
https://academic.oup.com/jeb/article-abstract/38/8/1100/8152271
1 day ago
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Lauren Harrison
American Naturalist / ASN 🐌
1 day ago
2025 Student Paper Award: Evolution in one sex is often affected by selection acting on the opposite sex. Geeta Arun et al. explore this using fruit flies and find that responses to selection are largely parallel between sexes. Read now ahead of print!
www.journals.uchicago.edu/doi/10.1086/...
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Using Sex-Specific Robertson Covariances to Estimate Within- and Cross-Sex Responses to Selection on Reproductive Traits in Drosophila melanogaster | The American Naturalist
Abstract In organisms with separate sexes, the expected evolutionary change in a trait due to selection can be expressed using sex-specific Robertson covariances (RCs), that is, the additive genetic c...
https://www.journals.uchicago.edu/doi/10.1086/737937
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Lauren Harrison
Journal of Evolutionary Biology
3 days ago
By combining mark-recapture and genetic parentage data from wild
#lizards
, we show that the offspring of older parents do not have lower survival or reproductive success than the offspring of younger parents:
doi.org/10.1093/jeb/...
Crain et al. 2025
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Parental age effects on offspring fitness in a wild population of a short-lived reptile
Abstract. As organisms age, the fitness of the offspring they produce can decline, which is often attributed to parental senescence. However, few studies h
https://doi.org/10.1093/jeb/voaf128
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Lauren Harrison
Euan Angus Young
4 days ago
1/13 New paper out!
www.science.org/doi/10.1126/...
Historical records across thousands of women showed that mothers with more children had shorter lifespans during a famine, fitting an evolutionary explanation for why we age
@hannahdugdale.bsky.social
@lummaalab.bsky.social
@erikpostma.bsky.social
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Lauren Harrison
Kate Laskowski
4 days ago
Our new paper offers an explanation for the universal law that "under carefully controlled conditions.... an animal behaves as it damn well pleases." We explore how stochastic mechanisms may play an underappreciated role in generating individuality. (1/7 🧵)
www.sciencedirect.com/science/arti...
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Playing dice with behavior: drivers of stochastic individuality
Animal behavior is often viewed as stemming from predictable genetic and environmental factors. However, despite our best attempts to control genetic …
https://www.sciencedirect.com/science/article/pii/S0169534725002885?ref=pdf_download&fr=RR-2&rr=99c767de6d7c351e
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Lauren Harrison
Royal Society Publishing
5 days ago
In a stunning display of coordinated movement, male Swallow-tailed Manakins dance together in groups of up to five to attract females. Researchers studied display consistency, group size effects and implications for female choice:
royalsocietypublishing.org/doi/10.1098/...
#RSOS
#AnimalBehaviour
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Excited to see this huge experiment finally published!! 🪰
add a skeleton here at some point
5 days ago
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Lauren Harrison
fly paper broadcast
6 days ago
Sexual dimorphism in pheromone perception across worms, flies, and rodents
#Drosophila
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Sexual dimorphism in pheromone perception across worms, flies, and rodents #Drosophila
PubMed link
https://pubmed.ncbi.nlm.nih.gov/41203509/?utm_source=Other&utm_medium=rss&utm_campaign=pubmed-2&utm_content=1tih1KzP2IVszyspVOiUrPn-jnW1Q1Ryj5vJBQtngFA-7oVYAA&fc=20250213113502&ff=20251108012354&v=2.18.0.post22+67771e2
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Looks like an interesting read!
add a skeleton here at some point
6 days ago
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Lauren Harrison
Science X / Phys.org
17 days ago
Female mosquitoes control mating through subtle genital movements, determining if and when copulation occurs—a key factor in their reproductive success and the spread of mosquito-borne diseases
. doi.org/g98b
cr
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What we got wrong about mosquito mating—researchers explain why females are in charge
The female mosquito only mates once in her lifetime, and yet she can develop many hundreds of eggs from this single event.
https://phys.org/news/2025-10-wrong-mosquito-females.html?utm_source=bsky.app&utm_medium=social&utm_campaign=v2
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Lauren Harrison
Nature
22 days ago
Age-related mutations give sperm-forming stem cells a selective advantage during sperm production, shaping disease risk and genetic variation in offspring
go.nature.com/4hlCBFH
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The search for mutations that sperm acquire as men age
Age-related mutations give sperm-forming stem cells a selective advantage during sperm production, shaping disease risk and genetic variation in offspring.
https://go.nature.com/4hlCBFH
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Lauren Harrison
Delphine De Moor
29 days ago
Social relationships are powerful predictors of fitness across social animals. But *why*? In our new
@cp-trendsecolevo.bsky.social
paper, we outline testable predictions for why relationship quality and quantity adaptively vary across socio-ecological contexts.
tinyurl.com/55dnkeh7
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Lauren Harrison
Evolution Letters
about 1 month ago
Temperature can reverse sexual conflict, facilitating population growth
doi.org/10.1093/evle...
Now in
@evolletters.bsky.social
by Roberto García-Roa et al.
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Temperature can reverse sexual conflict, facilitating population growth
Abstract. Sexual conflict frequently gives rise to adaptations that increase male reproductive success at the expense of harming females (“male harm”) and
https://doi.org/10.1093/evlett/qraf022
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Lauren Harrison
fly paper broadcast
about 1 month ago
Interactive effects of developmental and adult nutrition on lifespan and fecundity in a genetically diverse Drosophila population
#Drosophila
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Interactive effects of developmental and adult nutrition on lifespan and fecundity in a genetically diverse Drosophila population #Drosophila
PubMed link
https://pubmed.ncbi.nlm.nih.gov/41071844/?utm_source=Other&utm_medium=rss&utm_campaign=pubmed-2&utm_content=1tih1KzP2IVszyspVOiUrPn-jnW1Q1Ryj5vJBQtngFA-7oVYAA&fc=20250213113502&ff=20251012092352&v=2.18.0.post9+e462414
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Lauren Harrison
eLife
about 1 month ago
Scientists have uncovered how social life shapes aggression in fruit flies: while loners rely on quick jabs, group-raised males prefer intense, full-on tussles, a shift that helps them win territory and mates.
buff.ly/7FaSDNH
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Lauren Harrison
Eryn McFarlane
about 1 month ago
🧪
add a skeleton here at some point
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Lauren Harrison
Matthew Neville
about 1 month ago
Now published! Our paper on: (1) Accurate sequencing of sperm at scale (2) Positive selection of spermatogenesis driver mutations across the exome (3) Offspring disease risks from male reproductive aging [1/n]
www.nature.com/articles/s41...
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Sperm sequencing reveals extensive positive selection in the male germline - Nature
A combination of whole-genome NanoSeq with deep whole-exome and targeted NanoSeq is used to accurately characterize mutation rates and genes under positive selection in sperm cells.
https://www.nature.com/articles/s41586-025-09448-3
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Lauren Harrison
Animal Behavior Society
about 1 month ago
Need something fun to look forward to? Get involved in the publishing process at one of your favorite society journals! Apply to be an editor at Animal Behavior by Oct 31!
add a skeleton here at some point
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Lauren Harrison
Dr Mark E Hauber
about 1 month ago
www.science.org/doi/10.1126/...
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Sexual selection drives sex difference in adult life expectancy across mammals and birds
Sexual size dimorphism and mating system contribute to male and female life-span differences across wild and zoo populations.
https://www.science.org/doi/10.1126/sciadv.ady8433
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Lauren Harrison
Aging Science News
about 1 month ago
Eight decades of follow-up link life course exposures to proteomic organ ageing and longevity
www.medrxiv.org/content/10.1...
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Eight decades of follow-up link life course exposures to proteomic organ ageing and longevity
The pace of organ ageing varies substantially between individuals, yet drivers of variability remain poorly understood. This gap is critical, given only 20-30% of longevity is genetically inherited[1]...
https://www.medrxiv.org/content/10.1101/2025.09.07.25335188v1
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Lauren Harrison
Science Vs
about 2 months ago
Animals sense the world in many ways we can’t imagine — and Pulitzer Prize-winning science writer, Ed Yong, is on the show to tell us all about it! By the end, you’ll be looking at your dog in a totally different light.
open.spotify.com/episode/7Evh...
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How to Smell like a Dog, with Ed Yong
Spotify video
https://open.spotify.com/episode/7EvhzpxXymeWJXT1ZfLMPj?si=74cd9edeb7404d8d
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Lauren Harrison
Royal Society Publishing
about 2 months ago
Does sexual dimorphism reflect sexual antagonism? Covariation of female fitness with brothers’ sexual traits and their female homologues in neriid flies
#ProcB
#OpenAccess
royalsocietypublishing.org/doi/10.1098/...
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Lauren Harrison
Science Magazine
about 2 months ago
Researchers in Science report a globally replicated experiment that uncovers which factors explain the relative success of warning coloration and camouflage as antipredator color strategies. Learn more in this week's issue:
https://scim.ag/4mBCl6i
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Lauren Harrison
fly paper broadcast
about 2 months ago
The role of genetic variation in shaping phenotypic responses to diet in aging Drosophila melanogaster
#Drosophila
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The role of genetic variation in shaping phenotypic responses to diet in aging Drosophila melanogaster #Drosophila
PubMed link
https://pubmed.ncbi.nlm.nih.gov/40993208/?utm_source=Other&utm_medium=rss&utm_campaign=pubmed-2&utm_content=1tih1KzP2IVszyspVOiUrPn-jnW1Q1Ryj5vJBQtngFA-7oVYAA&fc=20250213113502&ff=20250925012353&v=2.18.0.post9+e462414
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Lauren Harrison
Carl T. Bergstrom
about 2 months ago
Yet again, machine learning — even gussied up via the transformer architecture — encodes and reinforces societal biases. This study reveals that LLM-based peer review relies heavily on author institution in its decisions.
arxiv.org/abs/2509.15122
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Prestige over merit: An adapted audit of LLM bias in peer review
Large language models (LLMs) are playing an increasingly integral, though largely informal, role in scholarly peer review. Yet it remains unclear whether LLMs reproduce the biases observed in human de...
https://arxiv.org/abs/2509.15122
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Lauren Harrison
Trends in Ecology & Evolution
about 2 months ago
If you are interested in contributing to the TREE series on Disability in Ecology and Evolution, email me at
[email protected]
We want hear from as many people as possible. December will be the last in the series, for this issue we will need contributions by c7 October.
www.cell.com/trends/ecolo...
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Disability in Ecology and Evolution collection: Trends in Ecology & Evolution
https://www.cell.com/trends/ecology-evolution/collections/disability
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Lauren Harrison
Science Magazine
2 months ago
Researchers in a recent
#ScienceReview
examine the influence that biological sex exerts on the immune system and immune-related diseases. Learn more:
https://scim.ag/4ln58Le
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Sex differences in tissue-specific immunity and immunology
Biological sex exerts a substantial influence on the immune system and immune-related diseases. Males are more susceptible to the acute effects of viral disease and certain cancers, whereas females ex...
https://scim.ag/4ln58Le
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Lauren Harrison
Aging Science News
2 months ago
Male Reproductive Senescence in Mammals Is Pervasive and Aligned With the Slow-Fast Continuum
onlinelibrary.wiley.com/doi/abs/10.1...
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Male Reproductive Senescence in Mammals Is Pervasive and Aligned With the Slow‐Fast Continuum
We found evidence of male reproductive senescence in 59.6% of the mammalian studied species, with a detection probability increasing with larger sample sizes and a longer age range relative to lifesp....
https://onlinelibrary.wiley.com/doi/abs/10.1111/ele.70194
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Lauren Harrison
Current Biology
2 months ago
Meet the Topi. An antelope where females are promiscuous and compete for males. And males use "false alarm snorts"
www.cell.com/current-biol...
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Topi
Bro-Jørgensen introduces the reader to the topi antelope, in which female compete for preferred mates and males use false alarm snorts to manipulate receptive females.
https://www.cell.com/current-biology/fulltext/S0960-9822(25)01007-3
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Lauren Harrison
Journal of Experimental Biology
2 months ago
In his Commentary, Neil Metcalfe examines why it can be hard to detect trade-offs between two activities or processes competing for energy, despite energy supposedly being a limiting resource
journals.biologists.com/jeb/article/...
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Lauren Harrison
Aging Science News
2 months ago
Menopausal status, transition, and age at menopause with accelerated biological aging across multiple organ systems: findings from two cohort studies
bmcmedicine.biomedcentral.com/articles/10....
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Menopausal status, transition, and age at menopause with accelerated biological aging across multiple organ systems: findings from two cohort studies - BMC Medicine
Background Biological aging is a heterogeneous process that varies across organs and systems. The dynamic hormonal changes during the menopausal transition may have profound and organ-specific impacts...
https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-025-04223-7
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Lauren Harrison
Patrick Phillips
2 months ago
Just out in press in eLife, a cool and brilliant piece of work by
@amywebster.bsky.social
: Gene expression variation across genetically identical individuals predicts reproductive traits.
elifesciences.org/articles/106...
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Lauren Harrison
EvolDir
2 months ago
The Smithsonian's NMNH is accepting applications for various fellowships for graduate students and postdocs. Projects using NMNH resources are encouraged. For details:
https://fellowships.si.edu/SIFP
#postdoc
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Smithsonian Institution Fellowship Program (SIFP)
node:field_teaser]
https://fellowships.si.edu/SIFP
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Lauren Harrison
Aging Science News
2 months ago
Decoding disease–specific ageing mechanisms through pathway-level epigenetic clock: insights from multi-cohort validation
www.thelancet.com/journals/ebi...
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Decoding disease–specific ageing mechanisms through pathway-level epigenetic clock: insights from multi-cohort validation
PathwayAge represents an interpretable, biologically grounded framework for estimating epigenetic age. By integrating pathway-level methylation signals, it uncovers mechanistic links between ageing an...
https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(25)00273-7/fulltext
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Lauren Harrison
Aging Science News
2 months ago
The house mouse maintains constant telomere length throughout life
academic.oup.com/nar/article/...
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The house mouse maintains constant telomere length throughout life
Abstract. Telomeres protect the chromosome ends from deleterious DNA damage response and repair activities. In humans, telomerase maintains telomere length
https://academic.oup.com/nar/article/53/16/gkaf830/8242314
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Lauren Harrison
Eric Topol
2 months ago
How much protein should you consume?
erictopol.substack.com/p/our-preocc...
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Our Preoccupation With Protein Intake
The data on high protein diets, bars, supplements, and powders will surprise you
https://erictopol.substack.com/p/our-preoccupation-with-protein-intake
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Lauren Harrison
American Naturalist / ASN 🐌
3 months ago
Videlier and Sztepanacz re-analyse published data to show that sexual dimorphism may evolve as easily from indirect responses to sexually concordant selection as from direct responses to sexually antagonistic selection. Read now ahead of print!
www.journals.uchicago.edu/doi/10.1086/...
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Asymmetry in Cross-Sex Cross-Trait Genetic Covariances and the Evolvability of Sexual Dimorphism | The American Naturalist
Abstract The evolution of sexual dimorphism is predicted to resolve conflict that can arise from divergent evolutionary interests between sexes, enabling each sex to reach its fitness optimum. However...
https://www.journals.uchicago.edu/doi/10.1086/737019
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Lauren Harrison
Aging Science News
3 months ago
Unlocking longevity through the comparative biology of aging
www.nature.com/articles/s43...
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Unlocking longevity through the comparative biology of aging - Nature Aging
Rechsteiner and colleagues explore how studying lifespan and disease resistance across species reveals natural adaptations that promote longevity. The authors summarize new discoveries and discuss app...
https://www.nature.com/articles/s43587-025-00945-8
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Lauren Harrison
Journal of Experimental Biology
3 months ago
Time flies, so if you're an early-career researcher that is eligible to apply for one of our junior faculty grants, start thinking about your application now because the next deadline is 28 November
@biologists.bsky.social
www.biologists.com/grants/kicks...
www.biologists.com/grants/ecr-v...
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Lauren Harrison
Steve Portugal
3 months ago
Come join us in the
@biology.ox.ac.uk
at
@ox.ac.uk
! New Associate Professor position in Animal Behaviour, with Merton College:
my.corehr.com/pls/uoxrecru...
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Job Details
https://my.corehr.com/pls/uoxrecruit/erq_jobspec_version_4.display_form?p_company=10&p_internal_external=E&p_display_in_irish=N&p_process_type=&p_applicant_no=&p_form_profile_detail=&p_display_apply_ind=Y&p_refresh_search=Y&p_recruitment_id=180330
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Lauren Harrison
Australasian Evolution Society
3 months ago
Calling all evolutionary biologists! 🧬 AES 2025 | UQ Brisbane | 1–3 Oct Early-bird registration close 1 Sept
aes.corsizio.com/event/685405...
#AES2025
#Evolution
#ECR
#AusSci
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Lauren Harrison
Functional Ecology
3 months ago
📰Published📰What is transgenerational plasticity, and how can we measure it?💡
buff.ly/IL0eQZF
🧪🌍
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What is transgenerational plasticity, and how can we measure it?
Caitlin McAndry, Alastair. J Wilson, Peter. A Cotton, Manuela Truebano This is a plain language summary of a Functional Ecology research article which can be found here. Living organisms have a gen…
https://buff.ly/IL0eQZF
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Lauren Harrison
Aging Science News
3 months ago
Early menarche and childbirth accelerate aging-related outcomes and age-related diseases: Evidence for antagonistic pleiotropy in humans
elifesciences.org/articles/102...
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Early menarche and childbirth accelerate aging-related outcomes and age-related diseases: Evidence for antagonistic pleiotropy in humans
Mendelian randomization offers novel insights into the genetic factors that influence the aging process through early-life reproductive events, providing robust evidence for the antagonistic pleiotrop...
https://elifesciences.org/articles/102447
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Lauren Harrison
Aging Science News
3 months ago
The effects of different types of calorie restrictions on epigenetic modifications of age-related genes in aging mouse brain
link.springer.com/article/10.1...
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The effects of different types of calorie restrictions on epigenetic modifications of age-related genes in aging mouse brain - Biogerontology
The effects of calorie restriction (CR) on age-related epigenetic modifications have recently been exposed, yet there is a road ahead in explaining the effects of CR on the epigenetic regulations. Alt...
https://link.springer.com/article/10.1007/s10522-025-10297-w
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Lauren Harrison
Ed Ivimey-Cook
3 months ago
Thanks to all those that attended the
@sortee.bsky.social
led symposium at
#ESEB2025
and for those that met up on Wednesday!! If you’re interested in joining SORTEE and supporting open science in EcoEvo, consider becoming a member!
sortee.org/join/
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Join
Join Society for Open, Reliable, and Transparent Ecology and Evolutionary biology (SORTEE)
https://sortee.org/join/
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Lauren Harrison
Science Magazine
3 months ago
Light pollution is causing birds around the world to sing for longer each day, prolonging their vocalizations on average by 50 minutes, according to a new study in Science. Learn more:
https://scim.ag/3Uz7vzP
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Lauren Harrison
Animal Behaviour Live
3 months ago
#ABL2025
Plenary Spotlight: Dr Wen-Sung Chung ⭐ Join us on Nov 13-14 to learn how Dr Chung’s team uncovered the sex-specific differences in the octopus brain and cognitive capability 🐙 Learn more about the conference:
ablaoc25.sciencesconf.org
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Lauren Harrison
Philipp Brand
3 months ago
Exciting new Ruta lab preprint by
@annaryba.bsky.social
et al. on the neural underpinnings of intraspecific behavioral variation: Strain variation identifies a neural substrate for behavioral evolution Drosophila
www.biorxiv.org/content/10.1...
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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 responses in the other. This coevolution implies that...
https://www.biorxiv.org/content/10.1101/2025.08.15.670615v1
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Lauren Harrison
SORTEE
3 months ago
Introducing "The SORTEE Guidelines for Data and Code Quality Control in Ecology and Evolutionary Biology" The first standardised set of data editor guidelines. Led by SORTEE with input from numerous data editors across ecology and evolution. 🔗
doi.org/10.32942/X24...
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The SORTEE Guidelines for Data and Code Quality Control in Ecology and Evolutionary Biology
This is a Preprint and has not been peer reviewed. This is version 1 of this Preprint.
https://doi.org/10.32942/X24P8S
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Allele frequency selection and no age-related increase in human oocyte mitochondrial mutations. Interesting study in
#ScienceAdvances
doi.org/10.1126/scia...
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Allele frequency selection and no age-related increase in human oocyte mitochondrial mutations
Human oocyte mtDNA mutations do not increase with age and are selected against changes to minimize functional consequences.
https://www.science.org/doi/10.1126/sciadv.adw4954?utm_campaign=Science+Magazine&utm_medium=ownedSocial&utm_source=bluesky
3 months ago
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