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Researchers discover how three-dimensional organization of the genome regulates cell differentiation

Researchers from the University of Minnesota Medical School discovered that large loops form between DNA sequences where a key protein Pax3 binds, and these loops are essential for the development of skeletal muscle. The study shows how 3D genome organization regulates cell differentiation in skeletal muscle formation.

SourceUniversity of Minnesota Medical School·JournalNature Communications·DateMay 24, 2019

The mystery behind cleft palate and lips: Study shines a light on genetic factors

Researchers have identified over 100 new genes that could contribute to the development of cleft lip and palate (CL/P), a condition affecting 1 in 700 live-born babies. The study suggests that genetic variants near these genes are regulated by 'enhancers' in the genome, which play a crucial role in maintaining proper cell identity.

UTA biologist shows new insights into chromosome evolution, venom regulation in snakes

Researchers have made significant breakthroughs in understanding snake genomes, including the evolution of venom genes, dosage compensation mechanisms, and sex determination systems. The study provides a comprehensive genomic context for these complex biological processes, offering new insights into the unique adaptations of snakes.

SourceUniversity of Texas at Arlington·JournalGenome Research·DateMar 29, 2019

Artificial chemical DNA switch helps understand epigenetic mechanisms

Researchers developed an artificial chemical DNA switch that can be turned on and off using light, offering a novel approach to epigenetics. The method uses chemical reactions in the major groove of DNA to influence gene switching, potentially leading to targeted regulation of gene expression.

What controls the tips of our chromosomes?

A study published in EMBO Journal has discovered the key aspect of regulating telomeres, which are protective caps at the end of chromosomes. The research team found that the protein complex CST is responsible for maintaining telomeres, and a chemical modification regulates its S component, allowing telomere duplication and elongation.

SourceInstituto Gulbenkian de Ciencia·JournalThe EMBO Journal·DateFeb 27, 2019

Why do Hydra end up with just a single head?

Researchers at UNIGE discovered the identity of Hydra's inhibitor, protein Sp5, which maintains a single-headed adult body and regulates regenerative response. The mechanism has been conserved throughout evolution, suggesting potential therapeutic applications in human tumors.

SourceUniversité de Genève·JournalNature Communications·DateJan 18, 2019

A new way to use CRISPR

A team of UD engineers has developed a method to use CRISPR/Cas9 technology for conditional gene regulation, introducing a new functionality to the technology. This allows scientists to precisely target and edit DNA within living cells, which could help correct inherited diseases.

SourceUniversity of Delaware·JournalNature Chemical Biology·DateDec 18, 2018

To repair DNA damage, plants need good contractors

Scientists at the Salk Institute discovered a complex gene regulation network that helps plants cope with DNA damage. The research identified approximately 2,400 genes responding to DNA damage, with only 200 directly activated by SOG1, revealing its 'hands-off' overseer role.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateDec 13, 2018

Researchers discover key gene in cells associated with age-related hearing loss

Researchers identified the Ikzf2 gene as a key regulator of special cells needed for hearing. Introducing a virus engineered to overexpress helios into inner ear hair cells transformed some mature inner hair cells into outer hair cells, exhibiting critical characteristics. This discovery may lead to therapies for age-related hearing loss.

Binge drinking affects male and female brains differently

Repeated binge drinking alters gene expression in the brain, affecting hormone signaling and immune function in females, while nerve signaling is impacted in males. This study highlights the importance of tailoring treatments for male and female patients with alcohol use disorder.

SourceFrontiers·JournalFrontiers in Genetics·DateSep 10, 2018

Body clock link to steroids discovered

Research by University of Manchester scientists found that genes regulating lungs and liver function change with the day-night cycle, impacting steroid side effects. Removing a specific molecule, Reverbα, altered gene expression and showed protective effects against fatty liver buildup.

SourceUniversity of Manchester·JournalJournal of Clinical Investigation·DateSep 4, 2018

Genes that regulate how much we dream

Researchers identified two essential genes involved in regulating REM sleep duration in mice. The knockout of these genes resulted in drastically decreased REM sleep and altered sleep patterns. This study provides insights into the molecular mechanisms underlying REM sleep, a crucial aspect of maintaining mental and physical health.

SourceRIKEN·JournalCell Reports·DateAug 28, 2018

Previously grainy wheat genome comes into focus

The complete wheat genome is now sequenced, enabling researchers to identify genes controlling traits such as drought resistance and breed plants with higher nutritional quality. This breakthrough accelerates innovation in breeding resilient and disease-resistant crops to meet global demand for wheat.

SourceJohn Innes Centre·JournalScience·DateAug 16, 2018