Romy Petroll
@petrollromy.bsky.social
๐ค 128
๐ฅ 103
๐ 3
PhD student
@mpi-bio-fml.bsky.social
| Interested in algae, plants, evolution and genomics.
pinned post!
I am very excited to see my first PhD paper out as a preprint. "The expanded Bostrychia moritziana genome unveils evolution in the most diverse and complex order of red algae". Huge thanks to
@borglab.bsky.social
for the great supervision and guidance through this exciting project!๐
add a skeleton here at some point
10 months ago
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Romy Petroll
The Plant Journal
15 days ago
๐๐๐๐ฌ๐จ๐ฎ๐ซ๐๐ ๐๐ซ๐ญ๐ข๐๐ฅ๐ (๐ฌ๐ญ๐ฎ๐๐๐ง๐ญ ๐๐ฌ ๐๐ข๐ซ๐ฌ๐ญ ๐๐ฎ๐ญ๐ก๐จ๐ซ) PETROLL et al. Enhanced sensitivity of tapscan v4 enables comprehensive analysis of streptophyte transcription factor evolution
doi.org/10.1111/tpj....
Congrats
@petrollromy.bsky.social
!
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Enhanced sensitivity of TAPscan v4 enables comprehensive analysis of streptophyte transcription factor evolution
TAPscan v4 allows genome-wide annotation of 138 TF families, with 18 (sub-)families added since v3. With this release, we make a new web interface available, but also the underlying database and code...
https://doi.org/10.1111/tpj.17184
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Rory Craig
about 1 month ago
Excited to introduce Auxenochlorella as a new algal reference organism for fundamental plant science and bioengineering. A paper in two parts: a genetic toolkit for site-specific genomic manipulation, paired with the most unusual genome Iโve ever worked on
academic.oup.com/plcell/artic...
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Targeted genetic manipulation and yeast-like evolutionary genomics in the green alga Auxenochlorella
Auxenochlorella, green algae shaped by evolutionary forces acting on vegetative diploids, are amenable to discovery research and bioengineering via efficie
https://academic.oup.com/plcell/article/doi/10.1093/plcell/koaf259/8303543
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Erica Dinatale
about 2 months ago
So happy to see my first first-author paper published! ๐ A short thread on how Ectocarpus and its TE secrets have kept me busy lately:
rdcu.be/eITQH
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Characterization of the transposable element landscape shaping the Ectocarpus genome | Genome Biology
https://rdcu.be/eITQH
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Romy Petroll
Carole Duchene
2 months ago
Excited to share our new preprint on giant virus infection in brown algae: Latent endogenous viral elements drive active infection and inheritance in a multicellular host
doi.org/10.1101/2025...
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Latent endogenous viral elements drive active infection and inheritance in a multicellular host
Endogenous viral elements (EVEs) inserted in host genomes are often regarded as inert relics of past infections. Whether they can retain infective potential and contribute to active viral cycles has r...
https://doi.org/10.1101/2025.09.15.676377
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Romy Petroll
Jaruwatana (Sodai) Lotharukpong
2 months ago
Super glad to contribute to this study on chromatin evolution in brown algae! Special thanks to Jeromine Vigneau,
@borglab.bsky.social
and Susana Coelho for making this happen.
www.biorxiv.org/content/10.1...
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Rewiring of chromatin regulation underlies the evolution of brown algal multicellularity
Chromatin structure plays a central role in regulating transcription, genome stability, and epigenetic inheritance in eukaryotes. Much of our understanding of chromatin architecture and histone post-t...
https://www.biorxiv.org/content/10.1101/2025.09.16.676480v1.full
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Romy Petroll
Nature Ecology & Evolution
3 months ago
Genomes of brown algae with different sex determination systems show that U/V sex chromosomes evolved 450โ224โmillion years ago and show remarkable conservation of genes within the sex-determining region, despite independent expansions of the sex locus in each lineage
www.nature.com/articles/s41...
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Origin and evolutionary trajectories of brown algal sex chromosomes - Nature Ecology & Evolution
Genomes of nine brown algal species with different sex determination systems show that U/V sex chromosomes evolved 450โ224โMa and show remarkable conservation of genes within the sex-determining regio...
https://www.nature.com/articles/s41559-025-02838-w
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Erica Dinatale
3 months ago
Transposable elements in brown algae? ๐ Yes, theyโre full of surprises โจ Come meet Ectocarpus at
#ESEB2025
! ๐Room 113 - S28.03 ๐๏ธ Thursday, 2:30pm
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So excited to be at
#ESEB2025
presenting poster 221 today!โ๏ธ Check out our chromosome-level genome of Bostrychia, a red alga from the complex Ceramiales order, revealing massive genome expansion by giant Plavaka DNA transposons, the evolution of expanded gene families and UV sex chromosomes!
3 months ago
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Romy Petroll
Michael Borg
5 months ago
A wonderful summary of our recent work in
@currentbiology.bsky.social
. Itโs an honour for it to have been written by such respected researchers in the field. Thank you
@multicellgenome.bsky.social
& team! ๐คฉ
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Romy Petroll
Michael Borg
7 months ago
Delighted to see our work now published in
@currentbiology.bsky.social
. A great place for Bostrychia to stake its claim as an emerging red algal model system. Check it out here:
www.cell.com/current-biol...
add a skeleton here at some point
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Romy Petroll
Molecular Biology and Evolution
8 months ago
New study with
@petrollromy.bsky.social
@borglab.bsky.social
traces the evolution of epigenetic silencing in plants. Deep conservation of PRC2-mediated H3K27me3 marks across green algae suggest ancient, conserved networks of gene repression. ๐
doi.org/10.1093/molb...
#evobio
#molevol
#plants
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The Expansion and Diversification of Epigenetic Regulatory Networks Underpins Major Transitions in the Evolution of Land Plants
Abstract. Epigenetic silencing is essential for regulating gene expression and cellular diversity in eukaryotes. While DNA and H3K9 methylation silence tra
https://doi.org/10.1093/molbev/msaf064
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I am very excited to see my first PhD paper out as a preprint. "The expanded Bostrychia moritziana genome unveils evolution in the most diverse and complex order of red algae". Huge thanks to
@borglab.bsky.social
for the great supervision and guidance through this exciting project!๐
add a skeleton here at some point
10 months ago
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reposted by
Romy Petroll
PlantEvolution ๐ฑ๐พ
10 months ago
In our latest
@biorxiv-genomic.bsky.social
preprint, we describe our approach to use PacBio HiFi reads to detect somatic TE transposition -- good enough to detect rare events that are present in only single cells. Led by Andrea Movilli.
#plantscience
www.biorxiv.org/content/10.1...
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Romy Petroll
Stefan A. Rensing
11 months ago
TAPscan v4, final verson available:
dx.doi.org/10.1111/tpj....
Annotate TF families yourself or access web-UI online. Thanks to
@petrollromy.bsky.social
@shiltemann.bsky.social
@jandevries.bsky.social
@watertoland.bsky.social
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Romy Petroll
Carole Duchene
11 months ago
Very happy to share my PhD paper!
www.nature.com/articles/s41...
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Diatom phytochromes integrate the underwater light spectrum to sense depth - Nature
This study demonstrates that diatoms with phytochrome photoreceptors can detect and functionally respond to the entire visible light spectrum through these sensors, enabling them to sense depth a...
https://www.nature.com/articles/s41586-024-08301-3
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Romy Petroll
John Weir
11 months ago
New preprint! How does meiosis work in non-model organisms? Together with Susana Coelho at the MPI for Biology Tรผbingen
@mpi-bio-fml.bsky.social
, we took a look at the proteins of the meiotic axis in the brown alga Ectocarpus
www.biorxiv.org/content/10.1...
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Exploring Meiosis in Brown Algae: Meiotic Axis Proteins in the model brown alga Ectocarpus
Most extant eukaryotic systems share core meiosis-specific genes, suggesting meiosis evolved only once in the last eukaryotic common ancestor (LECA). These genes have been characterized as master regu...
https://www.biorxiv.org/content/10.1101/2024.12.18.629156v1
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Romy Petroll
Stefan A. Rensing
12 months ago
More than one-third of all family gains were identified during the evolution of streptophyte algae, before the emergence of land plants, and are thus likely to have been significant for plant terrestrialization. 2/2
onlinelibrary.wiley.com/doi/full/10....
add a skeleton here at some point
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Romy Petroll
Stefan A. Rensing
12 months ago
Proud to share TAPscan v4, automated annotation of 138 TF families; code, webtool and database available online.
@watertoland.bsky.social
@nfdi4plants.bsky.social
@jandevries.bsky.social
@shiltemann.bsky.social
doi.org/10.1111/tpj....
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