Articles tagged with Genetic Diversity
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study found that the people of Deep Mani represent one of the most genetically distinctive populations in Europe, with many lineages tracing back to the Bronze Age, Iron Age, and Roman period. The research team discovered that present-day Deep Maniot men descend from a single male ancestor who lived in the 7th century CE.
A new study reveals how beluga whales in Alaska's Bristol Bay survive through a surprising strategy: they mate with multiple partners over several years. This polygynandrous system helps maintain genetic diversity despite the population's small size and isolation.
A new study found that wood warblers have borrowed color-related genes from neighboring species, leading to the evolution of diverse plumage colors. This gene exchange, known as introgression, occurred across multiple genera and is believed to have played a role in the group's rapid diversification.
Researchers found that a plant species adapted to urban conditions exhibited inheritable characteristics, such as changes in size and flowering periods, within 60 years of urbanization. Elevated ground temperatures and reduced soil acidity drove these differences.
Research by Kobe University entomologist SAGA Tatsuya found that two hornet species divide their prey by specializing on different targets. The Japanese yellow hornet eats soft-bodied prey like crickets and moths, while the yellow-vented hornet consumes low-value prey such as beetles and wasps.
Genetic analysis reveals clear differentiation between Japanese and Taiwanese hinoki cypress, with divergence occurring 1 million years ago. The study highlights the need for revised classification systems based on genetic regional characteristics to preserve local genetic integrity.
A study analyzing S. macrophylla's natural populations in Kalimantan revealed distinct genetic structures among northeastern, central, and southwestern populations. The ancestral population shows highest genetic diversity and is recommended for conservation as a separate management unit.
Researchers will analyze genetic diversity and structure of four key sponge species to enhance resilience in restored populations. The project aims to build ecological resilience in vulnerable marine environments through a genetics-based approach.
A large-scale study found that genetic variants and ancestry play a significant role in colorectal cancer risk in Brazil. The study identified nine genetic variants associated with disease risk, including four that contributed to the risk independently of other factors.
A study found that the red-headed wood pigeon's unique genetic history, shaped by centuries of gradual inbreeding, enabled its population to survive and rebound dramatically. The team's analysis revealed lower levels of highly deleterious mutations in the endangered species compared to the more widespread Japanese wood pigeon.
A study analyzing genome data from teak trees found correlations between temperature and DNA sites, indicating adaptability to rising temperatures. The population in southern India demonstrated high adaptability, essential for effective management of genetic resources and resilient planting strategies.
A new study by Dr. Gila Kahila Bar-Gal presents an integrative approach to wildlife forensics, combining advanced genetic tools with local databases to solve complex environmental crimes involving multiple species. This method demonstrates the ability to identify species, trace their origins, and confirm criminal activity beyond reason...
A new University of British Columbia study reveals that male guppies with more orange coloration are up to two times more sexually active and perform for females longer periods. The research identifies a genetic link between guppy color and behavior, suggesting healthier and fitter individuals may be more attractive to females.
The Siberian flying squirrel's genetic diversity is lowest in Finland and highest in the Russian Far East, highlighting a need for taxonomic re-evaluation and conservation efforts. The species' western populations are facing population declines and habitat loss, compromising their capacity to adapt to environmental changes.
A study of all-women extreme divers off the coast of Korea found two genetic changes that could aid their diving ability, lowering blood pressure and improving pain tolerance to cold. The researchers hope this discovery will advance care for health conditions like stroke related to high blood pressure.
A new study predicts that new plant pests and diseases will severely damage UK trees and woodlands by 2050, potentially losing over half of their growth. The research highlights the need for increased tree diversity and resilience to biocontrol measures.
Researchers at King Abdullah University of Science & Technology (KAUST) have discovered genes that can strengthen rice crops against environmental stresses such as heat, drought, and salinity. The study also identified a comprehensive framework for developing robust rice crops that can thrive in challenging environments.
Researchers uncover pivotal role of ZmCCT2 in regulating maize mesocotyl length and adapting to high altitudes. Significant associations between genetic variations and mesocotyl lengths were found, highlighting the essential function of ZmCCT2 in promoting cell elongation.
The study reveals that Phoenician culture spread primarily through cultural transmission and assimilation, with little direct genetic contribution from Levantine ancestors. Punic sites showcased a highly heterogeneous genetic profile, with individuals having both Sicilian-Aegean and North African ancestry.
A mysterious parasite is devastating fish farms globally, causing £50 million in losses annually. Researchers have discovered a new gene regulation process that could lead to the development of gene-based vaccines.
The discovery of the Curiously Isolated Hairstreak, a new butterfly species, reveals striking genetic diversity and ecological uniqueness. The isolated population has been separated from its closest relatives for up to 40,000 years, resulting in low genetic diversity and reduced adaptability to changing climatic conditions.
A group of long-lasting compounds called PFAS are ubiquitous in everyday products and the environment. Researchers hope to learn which ones are more toxic, and for whom, by using tiny worms to test their health effects.
Researchers found that full-genome differences between rotavirus strains influence vaccine effectiveness, highlighting the need for a broader approach to vaccine design. The study's results suggest that vaccines should be designed based on the whole genome of circulating strains, rather than just two surface proteins.
A study led by Australian National University researchers has found that the critically endangered regent honeyeater's population decline has not been mirrored by genetic diversity loss. Despite a 99% population decrease, the species has lost only 9% of its genetic diversity due to a time-lag in genetic erosion.
A study by Northwestern University scientists found that incomplete historical records have led to low genetic diversity and population decline among corpse flowers. The lack of standardized data makes it challenging for conservationists to make informed decisions about breeding, resulting in a high percentage of cloned plants.
A study found that genetic variants in three genes (CYP2C19, CYP2D6, SLCO1B1) can lead to adverse reactions in up to 75% of cases. This could allow for personalized prescribing and reduce ADRs by three quarters.
Researchers from the University of Gothenburg have discovered that Pacific oysters can reproduce in less salty waters, potentially allowing them to colonize the western Baltic Sea. The study found that genetic diversity and breeding habitat play a crucial role in the oysters' ability to adapt.
Researchers found genetic changes in frequent blood donors that enable them to respond well to blood loss, promoting healthy stem cell growth. In contrast, preleukemic mutations associated with blood cancer were not favored by regular donation.
A team of computer engineers developed PhyloFrame, a machine-learning tool that accounts for ancestral diversity in genetic data. This improves precision medicine outcomes by predicting differences between subtypes of diseases and suggesting personalized treatments regardless of patient ancestry.
A research team from Göttingen University has compared algae and plants that span 600 million years of independent evolution, identifying a shared stress response network. This comprehensive dataset can be further explored for its physiological impact across plant diversity.
A comprehensive genetic representation for over 2.5 billion people has been created, capturing genetic diversity and variations found in diverse populations. This pangenome reference aims to enhance early diagnosis and personalized treatments for genetic diseases prevalent in the region.
A recent study highlights the unique challenges facing Sydney's koala population, which is one of the last strongholds for New South Wales' koalas in NSW. The populations have low genetic diversity, making them highly susceptible to environmental threats and disease outbreaks.
A new MSU-led study found that translocation successfully bolstered population numbers, but failed to prevent genetic erosion and inbreeding in Florida Scrub-Jays. The researchers analyzed decades' worth of data and sequencing the entire genomes of 87 jays, identifying reproductive skew as a limiting factor.
A new species of manzanita has been discovered on the central coast of California, but its survival is already at risk due to urban development. The species, Arctostaphylos nipumu, lacks a protective burl that allows some other manzanitas to resprout after wildfires.
A new study found that Neanderthals experienced a drastic loss of genetic variation approximately 110,000 years ago, leading to their eventual extinction. The research measured the morphological diversity in semicircular canals, which revealed lower diversity in classic Neanderthals compared to pre-Neanderthals and early Neanderthals.
Researchers analyzed DNA of 370 individuals from 800 years, revealing genetic ties between Huns and Xiongnu Empire. The study found a small but distinct set of individuals carrying East Asian genetic signatures, suggesting some Hun-period individuals in Europe traced their lineage back to late Xiongnu burials.
Professor Collen Masimirembwa receives Precision Medicine World Conference Pioneer Award for his groundbreaking work in pharmacogenomics, advancing personalised medicine and tailoring treatments to individual genetic profiles. His research has improved patient outcomes and saved lives by uncovering critical issues with HIV medications.
Researchers describe the complex genome of the highly valued white oak (Quercus alba), providing insights into fundamental questions about plant evolution and tree breeding. The study sheds light on the evolutionary history of oaks, including the extent of genetic diversity and population differentiation.
A study led by Alessandro Urciuoli and Mercedes Conde-Valverde found that the morphological diversity of Neanderthals' semicircular canals is lower than previously thought, suggesting a bottleneck event. This challenges the theory that Neanderthals originated after a significant genetic diversity loss.
A study by NYU Abu Dhabi researchers found that children from the Fulani group have a distinct immune response to malaria, with key differences in immune cell activity offering greater protection. The study highlights the impact of genetics and lifestyle on immune responses.
Researchers have uncovered the Fulani people's genetic diversity, tracing their history back to the Green Sahara period. The study found correlations between culture, geography, and genetics, highlighting the importance of Fulani subsistence strategies in shaping their genetic landscape.
The study discovered new microbial species and never-before-reported metagenomes from African sites, shedding light on the importance of geography in shaping microbiome differences. The research highlights the need for site- and region-specific approaches to gut health interventions.
A landmark global study has found that two-thirds of species are losing genetic diversity, but conservation efforts are helping to reverse this trend. The study, published in Nature, highlights the importance of initiatives such as habitat restoration, animal translocations, and population control.
Botanic gardens have reached peak capacity, hindering efforts to gather plant diversity for study and protection. Despite accelerated rates of extinction risk, institutions struggle to conserve threatened plants within collections globally.
Researchers discovered that independent evolution of chromosome copies in oribatid mites enables genetic diversity through mechanisms like the Meselson effect and horizontal gene transfer. This approach allows for rapid adaptation to environmental changes and supports long-term survival.
A recent study by Max Planck Institute researchers analyzed Brazil Nut tree samples to understand genetic diversity and population dynamics. The findings show a drastic decline in genetic diversity over the last 20,000 years, but areas with Indigenous management exhibit more complex genetic backgrounds.
A new computational tool, PsiPartition, simplifies genetic data analysis for evolutionary biology, allowing researchers to efficiently study species relationships. The novel method improves both computational efficiency and accuracy of phylogenetic trees.
A new study maps the complete human genome recombination, identifying areas that balance diversity with stability. The research reveals key differences between men and women in recombination patterns, offering insights into infertility, genetic diversity, and disease risk.
The final synthetic chromosome unlocks new possibilities in metabolic engineering and strain optimisation, enabling the generation of genetic diversity on demand. The achievement represents a major milestone in synthetic biology and has important implications for future genome engineering projects.
The Human Pangenome Reference Sequencing Project aims to accurately reflect human genetic diversity worldwide. With $14 million in NIH funding, the project will add genomes from an additional 200 individuals to its existing dataset of 550 diverse backgrounds.
Researchers analyzed DNA of Chornobyl City and NPP dogs to detect genetic mutations, finding none despite long-term exposure to radiation and other toxins. The study implies that low-level environmental contamination could explain genetic differences between the two dog populations.
Researchers found genetic variants that confer a benefit to chimpanzees in specific habitats, particularly those related to malaria. The study suggests that climate and land use changes will impact different chimpanzee groups differently.
A new study provides genomic evidence of early migration from New Guinea into the Wallacea archipelago, addressing major gaps in human genetic history. The research shows that Papuan ancestry is widespread across Wallacea, pointing to historical migrations from New Guinea.
Research on hornwort genomes uncovers the secrets of plant evolution, revealing stable autosomes despite deep evolutionary history. The study also identifies dynamic accessory chromosomes and potential sex chromosomes, providing insights into plant reproductive strategies and adaptation to environmental challenges.
A recent study analyzed genomic variation distribution, genetic diversity, and heterotic group types in modern maize inbred lines. The research found new potential heterotic groups and identified elite breeding loci for traits like yield, plant architecture, and stress resistance.
A new study reveals that anti-defense genes near the DNA entry point enable plasmids to overcome CRISPR system, promoting genetic transfer between bacteria. This discovery could pave the way for developing tools to address antibiotic resistance and genetic manipulation methods.
A new University of Texas at Arlington study provides a comprehensive genetic map of the common bedbug Cimex lectularius, enhancing scientific investigations into pesticide resistance and developing targeted pest control strategies.
A recent study revises our understanding of the universal genetic code's evolution, suggesting that early life preferred smaller amino acids over larger ones. The researchers found that amino acids with aromatic ring structures were incorporated into the code later than previously thought, offering clues about other extinct genetic codes.
A new study found that Kirtland's warblers have exceptionally long runs of homozygosity (ROH) indicating very recent inbreeding, while also having a high frequency of potentially damaging genetic variants. This suggests that continued management is necessary to ensure the species' survival.
Scientists at The Jackson Laboratory have identified the CAST/EiJ mouse as a highly susceptible model for studying severe COVID-19. This genetically pure background allows researchers to investigate the virus's impact without artificial receptor modifications, mirroring human responses. Initial trials using antiviral treatments show pr...