New research shows gene exchange between viruses and hosts drives evolution

Journal Reference: Nicholas A. T. Irwin, Alexandros A. Pittis, Thomas A. Richards, Patrick J. Keeling. Systematic evaluation of horizontal gene transfer between eukaryotes and viruses. Nature Microbiology, 2021; DOI: 10.1038/s41564-021-01026-3 HGT is the movement of genetic material between disparate groups of organisms, rather than by the “vertical” transmission of DNA from parent to offspring. Previous … Read more

New insights into the timeline of mammal evolution

Journal Reference: Sandra Álvarez-Carretero, Asif U. Tamuri, Matteo Battini, Fabrícia F. Nascimento, Emily Carlisle, Robert J. Asher, Ziheng Yang, Philip C. J. Donoghue, Mario dos Reis. A Species-Level Timeline of Mammal Evolution Integrating Phylogenomic Data. Nature, 2021; DOI: 10.1038/s41586-021-04341-1 The research describes a new and fast computational approach to obtain precisely dated evolutionary trees, known … Read more

Tracking down the forces that shaped our Solar System’s evolution

Journal Reference: Nicole X. Nie, Xin-Yang Chen, Timo Hopp, Justin Y. Hu, Zhe J. Zhang, Fang-Zhen Teng, Anat Shahar, Nicolas Dauphas. Imprint of chondrule formation on the K and Rb isotopic compositions of carbonaceous meteorites. Science Advances, 2021; 7 (49) DOI: 10.1126/sciadv.abl3929 In their youth, stars are surrounded by a rotating disk of gas and … Read more

Shifting sands, creeping soils, and a new understanding of landscape evolution

Journal Reference: Nakul S. Deshpande, David J. Furbish, Paulo E. Arratia, Douglas J. Jerolmack. The perpetual fragility of creeping hillslopes. Nature Communications, 2021; 12 (1) DOI: 10.1038/s41467-021-23979-z Most people only become aware of soil movement on hillsides when soil suddenly loses its rigidity, a phenomenon known as yield. “Say that you have soil on a … Read more

When variations in Earth’s orbit drive biological evolution

Journal Reference: Luc Beaufort, Clara T. Bolton, Anta-Clarisse Sarr, Baptiste Suchéras-Marx, Yair Rosenthal, Yannick Donnadieu, Nicolas Barbarin, Samantha Bova, Pauline Cornuault, Yves Gally, Emmeline Gray, Jean-Charles Mazur, Martin Tetard. Cyclic evolution of phytoplankton forced by changes in tropical seasonality. Nature, 2021; DOI: 10.1038/s41586-021-04195-7 A team of scientists led by CNRS researchers1 show, in an article … Read more

Dengue’s dance: Host immunity drives viral evolution

Journal Reference: Leah C. Katzelnick, Ana Coello Escoto, Angkana T. Huang, Bernardo Garcia-Carreras, Nayeem Chowdhury, Irina Maljkovic Berry, Chris Chavez, Philippe Buchy, Veasna Duong, Philippe Dussart, Gregory Gromowski, Louis Macareo, Butsaya Thaisomboonsuk, Stefan Fernandez, Derek J. Smith, Richard Jarman, Stephen S. Whitehead, Henrik Salje, Derek A. T. Cummings. Antigenic evolution of dengue viruses over 20 … Read more

What sponges can tell us about the evolution of the brain

Journal Reference: Jacob M. Musser, Klaske J. Schippers, Michael Nickel, Giulia Mizzon, Andrea B. Kohn, Constantin Pape, Paolo Ronchi, Nikolaos Papadopoulos, Alexander J. Tarashansky, Jörg U. Hammel, Florian Wolf, Cong Liang, Ana Hernández-Plaza, Carlos P. Cantalapiedra, Kaia Achim, Nicole L. Schieber, Leslie Pan, Fabian Ruperti, Warren R. Francis, Sergio Vargas, Svenja Kling, Maike Renkert, Maxim … Read more

A life less apparent: Study sheds light on the evolution of underground microbes

Journal Reference: Henrik Drake, Peter W. Reiners. Thermochronologic perspectives on the deep-time evolution of the deep biosphere. Proceedings of the National Academy of Sciences, 2021; 118 (45): e2109609118 DOI: 10.1073/pnas.2109609118 These ecosystems host microbial lineages that are of interest for understanding the origin and evolution of life on our planet but remain the least explored … Read more

Plant-eating lizards on the cusp of tooth evolution

Journal Reference: Fabien Lafuma, Ian J. Corfe, Julien Clavel, Nicolas Di-Po. Multiple evolutionary origins and losses of tooth complexity in squamates. Nature Communications, 2021; 12 (1) DOI: 10.1038/s41467-021-26285-w The study, published in Nature Communications, reveals that several lizard groups evolved teeth with multiple tips (“cusps”) that allowed new plant-based diets and higher speciation rates — … Read more

Rise of the war machines: Identifying key drivers of the evolution of military technology in pre-industrial societies

Rise of the war machines: Identifying key drivers of the evolution of military technology in pre-industrial societies – NovLink Home Mash N Rise of the war machines: Identifying key drivers of the evolution of military technology in pre-industrial societies We wish to give thanks to the author of this write-up for this remarkable material Rise … Read more

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