dominance-genetics

HIV-1 infection begins with Env-gp120 binding to the CD4 receptor and CD4-triggered Env conformational changes that enable viral entry. To identify key Env sites that modulate Env-CD4 interactions, we analyzed growth-enhanced adaptive mutants generated through the in vitro passage of a replication-feeble HIV-1 clone carrying a CCR5-tropic env from a clinical isolate CRF08_BC. Sequencing the four …

Most salmon migrate from the sea into fresh water to spawn. This became difficult during the last Ice Age, when populations of salmon were cut off from icebound spawning grounds. A study recently published in Quaternary Research, led by fisherman-scientist Patrick Martin, used genetic analyses of more than 32,000 chum salmon to suggest that some populations survived the last Ice Age isolated in f…

Nature Communications, Published online: 14 September 2026; doi:10.1038/s41467-026-76657-3 Histone H3K36 methyltransferases are frequently altered in cancer, yet the distinct roles of H3K36 methylation states in tumorigenesis and immunity remain unclear. This study identifies an H3K36-dependent epigenetic circuit that controls endogenous retroviral elements (ERVs) repression and immune surveillan…

Study results suggest how a particular genetic variant can speed onset of Huntington disease motor symptoms by up to 12.5 years and accelerate clinical measures of disease progression, by driving runaway DNA changes inside the brain's most vulnerable neurons. The post Why Does a Particular Genetic Variant Lead to Accelerated Huntington Disease Development? appeared first on GEN - Genetic Engineer…

Not long ago, bringing an extinct species back to life belonged to science fiction. Today, it’s the mission of a billion-dollar startup. Advances in artificial intelligence, genetics, and computational biology are changing what’s possible in conservation research, raising questions that extend far beyond the laboratory. If technology can help revive extinct species, should it? And [&#…

Nature Medicine, Published online: 14 September 2026; doi:10.1038/s41591-026-04676-0 Whole-genome sequencing of 7,851 parent–offspring families enabled the identification of parent-of-origin and post-zygotic de novo mutations that were associated with distinct procedures of assisted reproductive technology (ART), independently of parental age at conception. Increased paternal mutational burden st…

University of Oslo·Faculty of Medicine
22h ago

Researchers at the University of Oslo have mapped which parts of our DNA carry the inherited differences behind complex traits and disorders. The more complex the trait, the more of those differences lie in the DNA between genes rather than in the genes themselves. This suggests that much of what shapes psychiatric and cognitive conditions lies in the parts of the genome that we understand the le…

University of Oslo·Faculty of Medicine
22h ago

Researchers at the University of Oslo have mapped which parts of our DNA carry the inherited differences behind complex traits and disorders. The more complex the trait, the more of those differences lie in the DNA between genes rather than in the genes themselves. This suggests that much of what shapes psychiatric and cognitive conditions lies in the parts of the genome that we understand the le…

University of Oslo·Faculty of Medicine
22h ago

Researchers at the University of Oslo have mapped which parts of our DNA carry the inherited differences behind complex traits and disorders. The more complex the trait, the more of those differences lie in the DNA between genes rather than in the genes themselves. This suggests that much of what shapes psychiatric and cognitive conditions lies in the parts of the genome that we understand the le…

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