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Scientists uncover genetic secrets of Staphylococcus aureus survival in humans

The most detailed study to date on the mechanisms by which a common type of bacterium, Staphylococcus aureus, adapts to living on the human body could help improve the prevention, diagnosis, and treatment of certain infections.

Genetic organization of an M protein trans-acting positive regulator (Mga) orthologue and its adjacent M-like protein (SCM) alleles in Streptococcus canis | Research Communities by Springer Nature

Unraveling the Genetic Legacy of the Korean Long-Tailed Chicken: Chromosome-Level Assembly and Pangenomic Insights | Research Communities by Springer Nature

The Korean long-tailed chicken (Ginkkoridak) is a rare breed with extraordinary 1.5-meter tail feathers. Facing near-extinction, this study presents its first chromosome-level genome assembly, plus a 40-genome pangenome, unlocking new insights into Gallus gallus diversity and conservation.

Shifting the paradigm for non-contact anterior cruciate ligament rupture to emphasize intrinsic genetic risk in humans and dogs | Research Communities by Springer Nature

Non-contact anterior cruciate ligament (ACL) rupture is a common injury. The underlying mechanism has long been mischaracterized as principally mechanical. Our work reveals that ACL rupture is a heritable, polygenic disease. This breakthrough challenges the causal paradigm and advances patient care.

Identity-by-descent method reveals hidden genetic ties in rhesus macaques

Understanding biological relationships is often critical when studying animal populations. Researchers from the Max Planck Institute for Evolutionary Anthropology, Leipzig University, the German Centre for Integrative Biodiversity Research and the Freie Universität Berlin have now developed a transformative approach that identifies stretches of DNA that two individuals inherited from a common ancestor. The study is published in the journal Proceedings of the National Academy of Sciences.

Genetic study suggests city life is shaping coyote evolution

A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable carnivores spotted in alleyways from Berkeley, Calif., to the Bronx, in New York.

Evolution and Obesity – microbes & inflammation – The Evolution and Medicine Review

Saad, M. J. A., & Santos, A. (2024). The Microbiota and Evolution of Obesity. Endocrine Reviews, bnae033. https://doi.org/10.1210/endrev/bnae033 This article challenges some current ideas by taking gut microbiome into account. Abstract Obesity is a major global concern and is generally attributed to a combination of genetic and environmental factors. Several hypotheses have been proposed to…

The Genetic Puzzle of Silkie Chickens: An attempt at decoding the Z linked Id locus | Research Communities by Springer Nature

Black Bone Chickens (BBCs) are famous for their striking black skin, bones, and tissues, caused by a unique genetic trait. Our study focused on the Id locus, which inhibits pigmentation. Using public datasets, we discovered a rearrangement that explains BBCs unique features and their evolution.

Why are fewer men going to college?

Every year in my genetics class we play a little game. The first lab is dedicated to learning some basic rules of probability and running through some simple statistical tests, and one of the exerc…

The secret 'sex lives' of bacteria: Study challenges old ideas about how species form

When Kostas Konstantinidis proved that many bacteria—like plants and animals—are organized into species, he upended a long-held scientific belief. Scientists widely believed that bacteria, due to their unique genetic exchange mechanisms and the vast size of their global populations, did not—and could not—form distinct species.