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Gene important in soybean protein content found after 30-year search

University of Illinois researchers found a key gene responsible for increasing soybean protein content by approximately 2%. The discovery could lead to significant increases in protein production, addressing global food security issues. However, the gene's function is unclear and may involve the plant's circadian machinery.

The genetics of flower power: Hidden link between genes and flower formation revealed

A team of researchers at UMass Amherst identified the specific genes responsible for growth suppression in maize flowers, including GRASSY TILLERS1 and RAMOSA3. These findings provide insights into the evolution of life on earth and have implications for plant breeding, benefiting humans from apples to corn.

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateFeb 1, 2022

Small group of genetic variants found in extremely ill patients with COVID may help explain big differences in how sick people get

Researchers identified seven rare structural variants affecting 31 genes in severely ill COVID-19 patients, shedding light on individual responses to the virus. These genetic variations may help explain differences in illness severity and suggest potential targets for early intervention.

Landing therapeutic genes safely in the human genome

A team of researchers at Harvard's Wyss Institute and ETH Zurich have developed a computational approach to identify genomic safe harbors (GSHs) with high potential for safe insertion of therapeutic genes. The study validated two GSH sites in adoptive T cell therapies and in vivo gene therapies for skin diseases.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalCell Reports Methods·TypeExperimental study·DateJan 24, 2022

New study determines parentage, age, and survival of North Atlantic right whales using genetic testing

A new study published in Mammalian Biology analyzed the life history data of 13 North Atlantic right whales using genetic samples and photo identification. The researchers found that four calves previously thought to be dead survived, revealing a significant variation in calf separation time from mothers and physical development.

SourceNew England Aquarium·JournalMammalian Biology·TypeObservational study·DateJan 20, 2022

Protective gene variant against COVID-19 identified

Researchers at Karolinska Institutet have identified a specific gene variant that protects against severe COVID-19 infection, found in individuals of African ancestry. The study analyzed 2,787 hospitalized patients and 130,997 people from six cohort studies, revealing an 80% prevalence of the protective variant among Africans.

SourceKarolinska Institutet·JournalNature Genetics·TypeMeta-analysis·DateJan 13, 2022

The “gold” of the Midas cichlids

Researchers have identified a previously unknown gene, goldentouch, responsible for the golden coloration in Midas cichlids. The gene, found on chromosome 11, is present in two variants: one associated with dark coloration and the other with orange/yellow coloration.

SourceUniversity of Konstanz·JournalNature Communications·DateJan 13, 2022

Researchers Switch Off Gene to Switch On Ultraviolet in Butterfly Wings

A team of researchers at George Washington University identified a gene that determines whether ultraviolet iridescence appears in the wings of butterflies. Removing this gene from non-iridescent species leads to UV coloration in their wings, highlighting its critical role in evolutionary differences between species.

SourceGeorge Washington University·JournalProceedings of the National Academy of Sciences·DateJan 10, 2022

Gene Network changes associated with cancer onset and progression identify new candidates for targeted gene therapy

Researchers at Georgia Institute of Technology have identified a key class of genetic changes associated with cancer, which may be missed by current gene expression analyses. These 'hub genes' play a central role in shaping the network structure of cancer cells and could serve as new targets for targeted gene therapy.

SourceGeorgia Institute of Technology·JournaliScience·TypeComputational simulation/modeling·DateDec 13, 2021

Columbia University study identifies gene variants linked to severe schizophrenia

A study published in PNAS found that individuals with severe schizophrenia have a higher number of rare mutations than those with typical forms of the illness. This discovery could lead to more precise treatments for this chronic disease, which affects over 3 million Americans.

SourceColumbia University Irving Medical Center·JournalProceedings of the National Academy of Sciences·TypeRandomized controlled/clinical trial·DateDec 13, 2021

How Hydra animals regenerate their own heads

Researchers have identified the specific genetic regulatory elements responsible for Hydra head regeneration, showing that dynamic chromatin remodeling and transcription factor motifs play a crucial role. This discovery sheds light on the complex developmental processes involved in this remarkable regenerative ability.

SourceOxford University Press USA·JournalGenome Biology and Evolution·TypeExperimental study·DateDec 8, 2021

Neurobiologists identify a new gene important for healthy daily rhythms

A new gene called Tango10 has been identified as critical for daily behavioral rhythms, modulating the activity of neurons to drive the animal's sleep-wake cycle. The study suggests that targeting this molecular pathway could lead to therapeutics to address sleep problems and related human diseases.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 15, 2021

How alike are the cancer cells from a single patient?

A new study by USC researchers uses a genetic technology to analyze gene expression signatures of individual cancer cells from patients with leukemia. The findings show that cancer cells with distinct gene expression profiles tend to grow in different organs, while those with specific genes are more resistant to chemotherapy.

SourceKeck School of Medicine of USC·JournalNature Communications·TypeExperimental study·DateNov 11, 2021

Hunting for human obesity genes in fat fruit flies

A new study identifies four novel obesity genes and predicts a fifth, using a platform of fat fruit flies. The research found that these genes are involved in a neuronal signaling pathway that increases fat levels.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 4, 2021

Towards precision medicine for dialysis patients

A research team from the University of Zurich has identified a common genetic variant in the AQP1 gene that affects treatment efficacy and patient survival on peritoneal dialysis. Patients carrying this variant have a higher risk of death, but researchers found a way to circumvent the problem using colloid osmotic agents.

SourceUniversity of Zurich·JournalNew England Journal of Medicine·TypeExperimental study·DateOct 20, 2021

Exploring the genetic ma(i)ze: Functional genomics can help molecular breeding of maize

Researchers used functional genomics to identify key genes involved in inducing callus from immature maize embryos, overcoming a major roadblock in plant breeding. The study found that nearly 30% of predicted A188 genes were structurally different from other maize lines, accounting for high protein divergence and phenotypic variations.

SourceCactus Communications·JournalThe Crop Journal·TypeObservational study·DateSep 8, 2021

Tracking genetically modified animals

Researchers at McGill University have developed a new way to track genetically modified animals using artificial transgenes. The discovery provides a powerful tool for locating and managing escaped or released GM animals.

SourceMcGill University·JournalPLOS ONE·TypeExperimental study·DateAug 30, 2021

The flower clock: How a small protein helps flowers to develop right and on time

Researchers from Nara Institute of Science and Technology and Nanjing University discovered a small protein, KNUCKLES, that plays multiple roles in ensuring the correct timing of floral development. This discovery reveals a regulatory pathway where KNUCKLES supports the completion of floral meristem development within a short time window.

SourceNara Institute of Science and Technology·JournalProceedings of the National Academy of Sciences·DateAug 30, 2021

Unlocking the secrets to sorghum’s adaptability

A reservoir of genes allowing sorghum to adapt to environmental stresses has been identified from 13 contrasting genomes. This genetic diversity is valuable for breeders, enabling them to improve crop yield and resilience. The analysis, led by the University of Queensland, provides unprecedented insights into the genome's dynamic nature.

SourceUniversity of Queensland·JournalNature Plants·TypeData/statistical analysis·DateAug 24, 2021

First genetic sequencing of Brazilian pit viper is completed

Researchers completed the first genetic sequencing of a Brazilian snake's genome, revealing that most toxin genes likely arose from existing functions in ancestral species. The study identified markers for comparing toxin genes with non-toxic 'ancestral' genes, shedding light on the evolution of venom production.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalProceedings of the National Academy of Sciences·DateAug 16, 2021

Herbicide resistance no longer a black box for scientists

Researchers identify gene regions responsible for non-target-site herbicide resistance in waterhemp, a key step towards early detection and management tools. By analyzing the genome of waterhemp, scientists have narrowed down the genetic regions controlling resistance to two areas, paving the way for further studies.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPest Management Science·TypeRandomized controlled/clinical trial·DateAug 16, 2021

Fels and Fox Chase researchers highlight roles of TET2 and DNMT3A mutations in personalized medicine-guided synthetic lethality against leukemia

Fels and Fox Chase researchers found specific TET2 and DNMT3A mutations in leukemia patients that affect DNA repair pathways. These mutations make leukemia cells sensitive to PARP inhibitors, a type of targeted therapy, while others are resistant. The study aims to develop personalized therapies for patients with these mutations.

SourceTemple University Health System·JournalCancer Research·DateAug 13, 2021