Genetics in Agriculture
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Rare wild goats in Northumberland prove to be a genetically distinct breed
Rare wild goats in Northumberland prove to be a genetically distinct breed Gaby Clark Scientific Editor Robert Egan Associate Editor New research shows Cheviot goats are one of the UK's most genetically distinct goat populations. Led by Newcastle University, this is the first genetic study to determine the ancestry and genetic health of a UK feral goat population. It provides a genetic assessment of the Cheviot goats in Northumberland's College Valley, identifying them as a historically...
Plants boost carbon uptake through water efficiency, not heat adaptation, global analysis reveals
Plants boost carbon uptake through water efficiency, not heat adaptation, global analysis reveals Gaby Clark Scientific Editor Robert Egan Associate Editor An international team of scientists has discovered that plants are not responding to global warming in the way researchers long assumed. Scientists have expected that ecosystems would keep pace with warming by rising the temperature at which photosynthesis works best. A new study published in One Earth is challenging that theory.
GPU accelerated population genetics statistics using pg_gpu
Population genetics summary statistics-- diversity, divergence, linkage disequilibrium, selection scans, and dimensionality reduction-- are fundamental across human, agricultural, and ecological genomics. As whole-genome sequencing datasets have grown to hundreds of thousands of individuals, the cost of computing these statistics on conventional CPU implementations has become a major bottleneck: windowed scans of a single chromosome arm can take hours to days, and computation of pairwise...
Genetic code expansion enables plant-directed control of bacterial activity
Programmable control of microbial gene expression by plant hosts could enable a new generation of precision agricultural biotechnology. Here, using O-methyl-L-tyrosine (OMY) as a model compound, we establish non-standard amino acids (nsAA) as a platform for plant-based control of associated microbial activity. We use genetic code expansion to engineer OMY-dependent control of protein synthesis in the soil bacterium Bacillus subtilis.
Repeatability and Heritability of UAV-Derived Canopy Traits in a Cassava Breeding Population Using Time-Series Data from Two Consecutive Growing Seasons
Cassava is a major staple crop in tropical regions, particularly in Sub-Saharan Africa, yet its productivity remains constrained by genetic and agronomic limitations. A major bottleneck in cassava breeding is the difficulty of accurately phenotyping agronomic traits under field conditions using conventional, labor-intensive methods. Here, we evaluated the potential of uncrewed aerial vehicle (UAV)-based phenotyping to quantify canopy growth traits and assess their genetic relevance under...
They call it 'stupid hot' for a reason: Heat muddles animal brains
They call it 'stupid hot' for a reason: Heat muddles animal brains Gaby Clark Scientific Editor Andrew Zinin Lead Editor On a blazing hot day in South Africa, female southern pied babblers can't think straight. The medium-sized black-and-white birds are trying to get at tasty mealworms behind a see-through barrier. On cooler days, the birds can quickly figure out that all they have to do is go around the small wall of plastic.
Spider webs capture hidden fungal diversity in Thai rice fields
Spider webs capture hidden fungal diversity in Thai rice fields Lisa Lock Scientific Editor Robert Egan Associate Editor A new study published in the open-access Biodiversity Data Journal suggests that spider webs—particularly those incorporating environmental debris—can serve as natural, non-destructive collectors of fungal material in agricultural ecosystems. The findings show that viable fungi can be recovered from these structures, including lineages that may represent previously...
Stupid hot: Heat waves cause cognitive changes in animals, making them more aggressive and unable to complete basic tasks
Stupid hot: Heat waves cause cognitive changes in animals, making them more aggressive and unable to complete basic tasks As temperatures rise, some creatures pick fights while others struggle to learn. The consequences of these behavioral changes may ripple through ecosystems. On a blazing hot day in South Africa, female southern pied babblers can't think straight.
Farmed oysters may boost New York's dwindling wild populations
Farmed oysters may boost New York's dwindling wild populations Lisa Lock Scientific Editor Andrew Zinin Lead Editor Farmed oysters are mixing with and potentially adding to populations of wild oysters—a once-abundant species in New York's estuaries and rivers that has declined drastically over the last century. A new study, published in the journal Molecular Ecology, offers genetic evidence and the first documented proof that farmed eastern oysters are adding to and breeding with wild...
Thirty years at El Mirón cave uncover 40,000 years of Iberian prehistory
Thirty years at El Mirón cave uncover 40,000 years of Iberian prehistory Lisa Lock Scientific Editor Robert Egan Associate Editor For the past three decades, a team of archaeologists have been uncovering some of the field's most recent monumental discoveries, relying on gut instinct, persistent hard work, and cutting-edge methods and technologies. The El Mirón Cave excavation project has been a long-term commitment for the lead researchers, fueled by each new discovery and a continued...