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Items tagged with: evolution


New #ISEPpapers! Updated classification of the phylum Parabasalia https://onlinelibrary.wiley.com/doi/full/10.1111/jeu.13035

"Most are harmless or beneficial gut #symbionts of #animals, but some have turned into #parasites in other body compartments, the most notorious example being #Trichomonas vaginalis in humans."

#protists #microbes #symbiosis #evolution #biology


How #baleen #whales have adapted over past 50M years
The new study "Into the Blue: Exploring #genetic mechanisms behind the #evolution of #baleenwhales," explores key genetic adaptations of these diverse #whale species around #oceans—giving new insights into risks and opportunities for their survival. The study looks at intriguing mammals—from gigantism of largest blue and fin whales, to diving and migratory abilities of other whales: including humpbacks, minkes & gray.
https://phys.org/news/2024-08-blue-baleen-whales-million-years.html


Evolution of evolvability in rapidly adapting populations

https://www.nature.com/articles/s41559-024-02527-0

#evolution #science


The SplitsTree App: interactive analysis and visualization using phylogenetic trees and networks

https://www.nature.com/articles/s41592-024-02406-3

#evolution #bioinformatics


Terrabacteria: redefining bacterial envelope diversity, biogenesis and evolution

https://www.nature.com/articles/s41579-024-01088-0

#microbiology #evolution #science


The Last Universal Common Ancestor of Ribosome-Encoding Organisms: Portrait of LUCA

https://link.springer.com/article/10.1007/s00239-024-10186-9

#evolution #microbiology #science #microbes


DNA Transposons Favor De Novo Transcript Emergence Through Enrichment of Transcription Factor Binding Motifs https://doi.org/10.1093/gbe/evae134 #science #evolution #biology #genome #evolgen_paper


Ancient microbes offer clues to how complex life evolved

https://phys.org/news/2024-07-ancient-microbes-clues-complex-life.html

#evolution #microbiology


PhD studentship to characterise aphid immune evolution. Lots to uncover in an insect group with major ecological & economic impact. Aphid systemic immunity is a black box. The interested PhD candidate will both provide one of the first detailed descriptions of aphid immunity, but also uncover principles of immune evolution.

Deadline July 29th at #UoExeter
Email or DM for details🐘 📩
m.hanson@exeter.ac.uk

#Genomics #Aphid #Genetics #Immunity #Evolution #Drosophila


Exciting research from one of my colleagues at #VirginiaTech

A late-Ediacaran crown-group sponge animal

https://www.nature.com/articles/s41586-024-07520-y

#evolution #sponges #marine


Jump to molecular #biology. 🧬Not all #evolution is #gradual. Life can leap forward in bursts in response to external stresses or internal #genomic changes, #epigenetics, #horizontal_gene_transfer, and massive re-arrangements.


I am very pleased to share with the mastodon community the first part of my PhD work:

High prevalence of Prdm9-independent recombination hotspots in placental #mammals

https://www.biorxiv.org/content/10.1101/2023.11.17.567540v1

This work was done in collaboration with @djivanprentout Alexandre Laverré, Théo Tricou and @duret_lbbe. (1/8)

#Recombination #PopGen #Evolution #gBGC #PRDM9


Stochasticity, determinism, and contingency shape genome evolution of endosymbiotic bacteria

https://www.nature.com/articles/s41467-024-48784-2

#evolution #microbiology #genomics


Primitive purine biosynthesis connects ancient geochemistry to modern metabolism

https://www.nature.com/articles/s41559-024-02361-4

#evolution #OriginOfLife #geochemistry


Widespread occurrence and diverse origins of polintoviruses influence lineage-specific genome dynamics in stony corals

https://academic.oup.com/ve/advance-article/doi/10.1093/ve/veae039/7670984

#viruses #coral #evolution #genomics


"A retroviral link to vertebrate myelination through retrotransposon-RNA-mediated control of myelin gene expression"

https://www.cell.com/cell/fulltext/S0092-8674(24)00013-8

I have great exaptations for this article

#viruses #evolution


Happy to share the latest manuscript from our lab, in which we propose that eukaryotes evolved from a genomic chimera of Asgard archaea and giant viruses.

https://www.biorxiv.org/content/10.1101/2024.04.22.590592v1

This is a controversial topic, but we believe we have strong evidence to suggest a critical viral role in eukaryogenesis.

#viruses #protists #eukaryotes #evolution #TreeOfLIfe #archaea


Two lifeforms merge in once-in-a-billion-years #evolutionary event
Scientists have caught a once-in-a-billion-years evolutionary event in progress, as two lifeforms have merged into one organism that boasts abilities its peers would envy. Last time this happened, Earth got plants. The #algae Braarudosphaera bigelowii has been found to have absorbed a #cyanobacteria called UCYN-A, which may be a huge step forward for #evolution.
https://newatlas.com/biology/life-merger-evolution-symbiosis-organelle/


Interested in evolutionary genomics/population genomics and plant genetics? Want to do your PhD in beautiful Stockholm?

We have two 4-year PhD student positions available in my group at Stockholm University. More info, see tanjaslottelab.se
Please repost.

#evolution #genomics #popgen #distyly #CropWildRelatives #PlantGenetics #ecrchat #phd 1/4


Fossil stingray (Cyclobatis sp.)
Upper Cretaceous. Approximately 100.5 million to 66 million years ago. When alive, this creature lived in warm, shallow seas and had a very short tail, which was fitted with a venomous stinger. Discovered in Haqil, Byblos, Lebanon. It just happens to look like an ancient space alien. #science #fossil #archeology #evolution #photo #nature #biology #wildlife


The Simons Foundation has amazing #postdoc #fellowships for anyone interested in #marine microbial #ecology or #evolution.

I'd love to sponsor anyone interested in viral diversity!

Please spread the word!

https://www.simonsfoundation.org/grant/simons-postdoctoral-fellowships-in-marine-microbial-ecology/?mc_cid=3818457af5&mc_eid=0969502559

#viruses #microbiology


Looking for some suggestions - I'm working with Archaeal genomic regions whose optimally fitting model seems to be Tamura-Nei (https://doi.org/10.1093/oxfordjournals.molbev.a040023).

Would it be too much to suspect the Archaeal region is under similar types of evolutionary pressure?

#archaea #microbiology #evolution #phylogenetics #bioinformatics


This week on the BioAudio podcast an introduction to species concepts created for my Y1 #biology and #Evolution students. https://bioaudio.buzzsprout.com/2234324/14324683


Journal of Systematics and Evolution is on Mastodon (as I just discovered). If you're a plant scientist or just interested in #Botany and #Evolution, give it a follow!
@JSE

Boost to relieve those who live in #Planticipation!
@plantscience


🧬🌟 Is evolution really random? A new study in Nature challenges the classic theory that DNA mutations are purely random and independent of the environment. The study shows that bacteria can adapt their mutation rates in response to different stresses. #evolution #mutation #bacteria https://phys.org/news/2024-01-evolution-random-previously-thought.html


Come work with me! My research unit at the University of Namur is hiring a #tenure track position in #ecology and #ecophysiology

I'm happy to answer any questions about working here!

https://jobs.unamur.be/emploi.2023-11-29.1234527512

#AcademicJob #evolution #teaching


New species concept just dropped ... no, wait, it actually seems useful. Wayne Maddison & Jeannette Whitton published in @SystBiol's #DiamondOA BSSB so it's free to read and free to authors. Even if the concept itself doesn't take off, I think lots of lectures are going to use the figures and ideas.

https://ssbbulletin.org/index.php/bssb/article/view/9358

#Systematics #SpeciesConcepts #Evolution #Conservation #OpenAccess


Happy to share our latest paper, in which we examined the timing at which different microbial groups colonized the ocean!

The first author (Carolina Martinez) is starting her lab at UC Santa Barbara in 2024 and is looking to recruit postdocs and PhD students, so if this looks interesting to you, please reach out to her!

A timeline of bacterial and archaeal diversification in the ocean

https://elifesciences.org/articles/88268

#microbiology #ocean #marine #evolution


Ongoing shuffling of protein fragments diversifies core viral functions linked to interactions with bacterial hosts

https://www.nature.com/articles/s41467-023-43236-9

#phages #viruses #evolution #genomics


Chance Favors the Prepared Genomes: Horizontal Transfer Shapes the Emergence of Antibiotic Resistance Mutations in Core Genes https://doi.org/10.1093/molbev/msad217 #science #evolution #biology #genome #evolgen_paper


PhD position in viral evolution and diversity @foaylward

Virginia Tech

Funded PhD positions in the Aylward Lab to study the #evolution and #genomics of giant #viruses. Both computational and wet-lab projects available.

See the full job description on jobRxiv: https://jobrxiv.org/job/virginia-tech-27778-funded-phd-position/?feed_id=64662

#ScienceJobs #hiring #research
Blacksburg #UnitedStatesUS ...
https://jobrxiv.org/job/virginia-tech-27778-funded-phd-position/?feed_id=64662


A new episode of the EMBO podcast is out. I spoke with Hsiao-Han Chang, Gytis Dudas, and Hedvig Tamman about viruses, hosts, spillovers, public health... And also starting a new lab, the challenges of mobility, mentorship, and Die Hard Dracula.

#EMBOPodcast #scicomm #SciencePodcast #Virology #Evolution #Microbiology

https://www.embo.org/podcasts/its-viruses-all-the-way-down-a-conversation-with-hsiao-han-chang-gytis-dudas-and-hedvig-tamman/

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