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Anna Brüniche-Olsen

@annabruniche.bsky.social

Evolutionary biologist studying conservation genetics.

259 Followers  |  245 Following  |  37 Posts  |  Joined: 02.12.2024  |  2.0692

Latest posts by annabruniche.bsky.social on Bluesky

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Welcome! Get to know GINAMO in 10 questions Welcome to the GINAMO (Genetic Indicators for NAture MOnitoring) blog! Whether you’ve already attended one of our workshops or are just discovering us, we&#…

🧬 Interested in monitoring & reporting on genetic diversity?

🏞️ Our project GINAMO (Genetic Indicators for NAture MOnitoring) now has a blog & newsletter!

🐝 Please share! ginamo.org/2025/09/29/welcome-2

#Conservation #Genetics #Biodiversity #Nature #consgen #KMGBF #SciComm

07.10.2025 11:40 — 👍 14    🔁 10    💬 1    📌 1
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Evidence for ancient selective sweeps followed by differentiation among three species of Sphyrapicus sapsuckers Abstract. Genomic differentiation usually accompanies speciation, but that differentiation is often highly heterogeneous across the genome. Understanding w

Evidence for ancient #selectivesweeps followed by differentiation among three species of #Sphyrapicus #sapsuckers,” by Libby Natola and @darrenirwin.bsky.social:

doi.org/10.1093/jeb/...

02.10.2025 09:53 — 👍 6    🔁 2    💬 0    📌 0
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Chimeric Reference Panels for Genomic Imputation Abstract. Despite transformative advances in genomic technologies, missing data remains a fundamental constraint that limits the full potential of genomic

Excited to share our new paper in
@GeneticsGSA
! We developed "Retriever," a novel method that enables high-quality genotype imputation in non-model organisms. 🧬 Congratulations to Charles on his first PhD paper!

Paper: doi.org/10.1093/gene...

A thread 🧵👇

02.10.2025 02:37 — 👍 28    🔁 16    💬 1    📌 0
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African lion conservation requires adaption to regional anthropogenic threats and mitigation capacity
www.sciencedirect.com/science/arti...

27.09.2025 15:41 — 👍 0    🔁 2    💬 0    📌 0
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Genomic divergence across the tree of life | PNAS Nucleotide sequence data are being harnessed to identify species, even in cases in which organisms themselves are neither in hand nor witnessed. Bu...

Genomic divergence across the tree of life 🧪🌐https://www.pnas.org/doi/10.1073/pnas.2319389122

27.09.2025 09:21 — 👍 77    🔁 24    💬 1    📌 1
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ecoevojobs.net 2025-26

UPDATE: The 2025-2026 list of faculty and postdoc positions in ecology and evolutionary biology is out! Be sure to check out this active and helpful community run resources! docs.google.com/spreadsheets...

19.09.2025 21:47 — 👍 237    🔁 227    💬 2    📌 6
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Evolutionary consequences of extreme climate events Simon Baeckens and Colin Donihue review case studies of rapid evolutionary change in response to extreme climate events and sketch a framework for future studies in the rapidly changing climate of the...

Evolutionary consequences of extreme climate events
www.cell.com/current-biol...

09.09.2025 22:21 — 👍 5    🔁 1    💬 0    📌 0
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🦣🍖🧬 Fully funded 3-yr PhD in palaeogenomics & bioinformatics! Help me push non-model palaeogenomes beyond their limits @DTU in Denmark.

Start: Feb 2026 (flexible)
Application deadline: 24 Oct 2025

For details click here: tinyurl.com/BioExtPhD

Reposts appreciated 😁

09.09.2025 07:37 — 👍 54    🔁 54    💬 2    📌 1

Congratulations to all the co-authors. Especially Marcella Sozzoni who led the study.

08.09.2025 10:59 — 👍 2    🔁 0    💬 0    📌 0
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Interestingly, neither genetic diversity (heterozygosity, Ne) nor habitat changes explained current IUCN threat status. The work shows that genomic data offer valuable insights but are not always straightforward indicators of conservation risk.

08.09.2025 10:59 — 👍 1    🔁 0    💬 1    📌 0
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We found repeated population expansions and contractions over the past 10 million years, with effective population sizes declining after the last interglacial period.

08.09.2025 10:59 — 👍 1    🔁 0    💬 1    📌 0
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We built a new chromosome-level reference genome for the European pond turtle (Emys orbicularis), and analyzed genomic data from 21 turtle and tortoise species.

08.09.2025 10:59 — 👍 2    🔁 0    💬 1    📌 0
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Quaternary Habitat Fluctuations and Demographic Dynamics in Turtles Inferred From Environmental Niche Modelling and Whole Genome Data Quaternary climatic fluctuations had a substantial influence on ecosystems, species distribution, phenology and genetic diversity, driving extinction, adaptation and demographic shifts during glacial...

🐢🧬 New paper on how climate shifts shaped turtle and tortoise populations over time 🐢🧬
Using whole genome sequencing and environmental niche modeling we reconstruct demographic history and suitable habitat for turtles and tortoises 🧵 #popgen #consgen doi.org/10.1111/1755...

08.09.2025 10:59 — 👍 5    🔁 3    💬 1    📌 0

Congratulations to all the co-authors, especially Marcella Sozzoni who led the study.

08.09.2025 10:44 — 👍 0    🔁 0    💬 0    📌 0
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Interestingly, neither genetic diversity (heterozygosity, Ne) nor habitat changes explained current IUCN threat status. The work shows that genomic data offer valuable insights but are not always straightforward indicators of conservation risk.

08.09.2025 10:44 — 👍 0    🔁 0    💬 1    📌 0
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We found repeated population expansions and contractions over the past 10 million years, with effective population sizes declining after the last interglacial period.

08.09.2025 10:44 — 👍 0    🔁 0    💬 1    📌 0
Post image

We built a new chromosome-level reference genome for the European pond turtle (Emys orbicularis), and analyzed genomic data from 21 turtle and tortoise species.

08.09.2025 10:44 — 👍 0    🔁 0    💬 1    📌 0
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High Imputation Accuracy Can Be Achieved Using a Small Reference Panel in a Natural Population With Low Genetic Diversity Genotype imputation, the inference of missing genotypes using a reference set of population haplotypes, is a cost-effective tool for improving the quality and quantity of genetic datasets. Imputation...

Genomic imputation can boost dataset quality and benefit research on wild populations. In hihi, we found high #imputation accuracies despite a small reference panel of high-fecundity individuals. Imputation improves downstream #ConservationGenomics analyses. onlinelibrary.wiley.com/doi/10.1111/...

03.09.2025 03:45 — 👍 11    🔁 8    💬 1    📌 0
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Sparse genetic data limit biodiversity assessments in protected areas globally Global conservation targets include protecting genetic diversity within species. Yet few studies have assessed whether protected areas (PAs) include genetically diverse populations across species glo....

Sparse genetic data limit biodiversity assessments in protected areas globally
esajournals.onlinelibrary.wiley.com/doi/10.1002/...

01.09.2025 06:59 — 👍 5    🔁 3    💬 0    📌 0
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Inbreeding reduces fitness in spatially structured populations of a threatened rattlesnake | PNAS Small and fragmented populations are at high risk of local extinction, in part because of elevated inbreeding and subsequent inbreeding depression....

www.pnas.org/doi/full/10....

22.08.2025 19:31 — 👍 17    🔁 7    💬 2    📌 0
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Fitness benefits of genetic rescue despite chromosomal differences in an endangered pocket mouse Two-thirds of Earth’s species have undergone population declines, leaving many vulnerable to genomic erosion and inbreeding depression. Genetic rescue can boost the fitness of small populations, but p...

Excited to share our new paper on genetic rescue in the Pacific pocket mouse! To conserve this endangered species, we sought to understand whether small populations at risk of outbreeding depression are better managed in isolation or with gene flow. @science.org
www.science.org/doi/10.1126/...

21.08.2025 20:03 — 👍 73    🔁 24    💬 3    📌 3
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Alexander Archipelago wolves (Canis lupus ligoni) on Prince of Wales Island show high inbreeding, similar to endangered Isle Royale wolves. Genomic data reveals smaller population size & recent mating between relatives. These results can be used for conservation 🐺

doi.org/10.1111/eva.70144

13.08.2025 19:42 — 👍 3    🔁 2    💬 0    📌 0
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Opinion: Why Sex‐Based Genomic Differentiation Should Not Be Overlooked in Population Genetics Sex-specific genomic differentiation is a crucial yet frequently overlooked factor in population genetics. In this opinion piece, we leverage the substantial genomic resources available for the great...

Why Sex-Based Genomic Differentiation Should Not Be Overlooked in Population Genetics onlinelibrary.wiley.com/doi/full/10....

10.08.2025 17:01 — 👍 4    🔁 2    💬 0    📌 1
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*ALERT! GLOBAL GENETIC DIVERSITY TREND RE-ANALYSIS*

"Signals of consistent genetic diversity decline are not yet measurable in global meta-analysis" doi.org/10.1101/2025...

04.08.2025 18:35 — 👍 47    🔁 26    💬 1    📌 0
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Long runs of homozygosity are reliable genomic markers of inbreeding depression A long-standing goal in ecological, evolutionary, and conservation genetics is to identify genomic correlates of fitness and inbreeding depression. Over the past several years, a growing body of theor...

Long runs of homozygosity are reliable genomic markers of inbreeding depression 🧬 www.cell.com/trends/ecolo...

04.08.2025 07:51 — 👍 22    🔁 8    💬 0    📌 1
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Genetic rescue of Florida panthers reduced homozygosity but did not swamp ancestral genotypes | PNAS Pumas (Puma concolor) occupy a vast geographical range spanning from Canada to Argentina. Due to urbanization and unregulated hunting, pumas in Flo...

Genetic rescue of Florida panthers reduced homozygosity but did not swamp ancestral genotypes
www.pnas.org/doi/10.1073/...

03.08.2025 08:37 — 👍 6    🔁 3    💬 0    📌 0
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Biodiversity Genomics Research Practices Require Harmonising to Meet Stakeholder Needs in Conservation Biodiversity resilience relies on genetic diversity, which sustains the evolutionary potential of organisms in dynamic ecosystems. Genomics is a powerful tool for accurately estimating genetic divers...

Biodiversity Genomics Research Practices Require Harmonising to Meet Stakeholder Needs in Conservation 🧬 #popgen #consgen onlinelibrary.wiley.com/doi/full/10....

02.08.2025 16:17 — 👍 7    🔁 0    💬 0    📌 0
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Genomics on the Galapagos: Exploring the genetic diversity of Darwin’s Finches and their relatives Can we use the knowledge on genomic diversity to inform conservation?

Your daily Avian Hybrids story!

Genomics on the Galapagos: Exploring the genetic diversity of Darwin’s Finches and their relatives
avianhybrids.wordpress.com/2020/01/27/g...

#ornithology

25.07.2025 13:04 — 👍 3    🔁 2    💬 0    📌 0
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Accounting for population structure and data quality in demographic inference with linkage disequilibrium methods - Nature Communications Accurate estimation of effective population size is critical for understanding population history but is often confounded by structure and data quality. Here, the authors show that GONE2 and currentNe...

Accounting for population structure and data quality in demographic inference with linkage disequilibrium methods www.nature.com/articles/s41...

06.07.2025 07:53 — 👍 3    🔁 0    💬 0    📌 0

Come join us 🧬💻 #popgen #consgen

02.07.2025 09:02 — 👍 1    🔁 1    💬 0    📌 0

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