Articles tagged with Genome Sequencing
A new computational tool in Molecular Biology and Evolution helps public health officials investigate disease outbreaks by analyzing genomic data, correctly inferring source cases and transmission clusters. The tool complements traditional epidemiology methods, providing valuable insights into outbreak dynamics.
A new technique predicts MRSA toxicity from its genome sequence, allowing clinicians to personalize treatment for individual infections. The study identified 125 genetic mutations associated with high or low toxicity, enabling the prediction of severe disease.
A study used genome sequencing to predict which MRSA isolates were highly toxic, allowing for personalized treatment. Researchers identified over 100 genetic loci associated with toxicity and found that highly toxic isolates shared a common signature, enabling prediction of disease severity.
The International Peanut Genome Initiative has successfully sequenced the peanut's genome, providing researchers with access to 96% of all peanut genes. This breakthrough will enable the development of drought- and disease-resistant, lower-input, and higher-yielding peanut varieties.
Researchers discovered that enhancers play a crucial role in controlling somatic hypermutation by marking specific sites for hypermutation on antibody genes. This breakthrough resolves a long-standing scientific debate and provides new insights into the targeting mechanism of hypermutation.
The sequencing of the loblolly pine genome has identified a candidate gene involved in resistance to fusiform rust, a devastating disease affecting southern pines. Researchers can use this gene as a marker to track resistance in breeding populations and inform tree planting decisions.
A study of whole-genome sequencing (WGS) found it can aid clinical diagnosis and reveal genetic bases of rare diseases, but also raises questions about reproducibility and reportable findings. Comprehensive interpretation and reporting of clinically significant findings are seldom performed.
A Stanford study found that whole-genome sequencing requires improved sequencing accuracy in disease-associated genes and up to 100 hours of manual assessment by genetic counselors or specialists. The technique's cost and complexity are expected to be higher than initially thought, with estimated costs ranging from $17,000 per person.
A single gene, doublesex, regulates complex wing patterns and structures required for mimicry in swallowtail butterflies. This study reveals that the gene's known role in sexual differentiation has been co-opted to control wing pattern.
Correlation discovered between molecular evolutionary rates and testes weights, suggesting sperm competition fuels genetic variation. Testis size may be key factor in determining genome evolution rates among primate species.
A new tool called REALPHY reconstructs evolutionary trees from sequencing data without errors and biases. The method is simple enough for biologists to use, generating accurate phylogenies quickly.
A universal language is proposed to classify organisms by their genome sequence, enhancing the current biological naming system. This new system adds further information to classify organisms and enables rapid identification of new ones.
The duckweed genome reveals its potential as a biofuel source, with the smallest known plant genome containing fewer than 20,000 protein-encoding genes. This reduced gene count leads to unique characteristics such as neoteny and arrested development.
Researchers at U-M Medical School and institutions worldwide investigate the fiber of our being, discovering how one group of gut bacteria digests complex sugars. Their findings shed light on the science of human nutrition and have implications for commerce and industry.
Researchers at the University of Warwick have detected and sequenced an ancient RNA genome of Barley Stripe Mosaic Virus in a 750-year-old barley grain found in modern-day Egypt. The study pushes back the origin of the virus to at least 2,000 years and reveals how intense farming during the Crusades contributed to its spread.
A new alternative approach to traditional introductory laboratory courses significantly increases student retention rates. Research published in mBio found that SEA-PHAGES students continued on to their second year at over 90% higher rates than other groups.
A new approach may help doctors tailor treatments for women at risk of preterm birth by identifying genetic differences. Progesterone injections have been shown to reduce the risk of recurrent preterm births, but not all women respond to treatment.
Researchers have determined how Cas9, a bacterial enzyme, identifies and degrades foreign DNA during viral infections and induces site-specific genetic changes. The presence of short DNA sequences known as PAM is critical to the ability of Cas9 to target and cleave DNA sequences.
Researchers sequenced genomes of 42 yeast strains, revealing more variation in S. cerevisiae than its wild relative, S. paradoxus. Subtelomeric regions harbor genome variation contributing to differences in traits between strains.
The study sheds light on the genetic overlap between modern dogs and wolves, suggesting interbreeding after dog domestication. Dogs are more closely related to each other than wolves, regardless of geographic origin, indicating a shared ancestry that diverged in recent past.
Researchers found that variations in non-coding DNA sequences influence insulin-producing cell behavior in people with type 2 diabetes. Genome sequences controlling gene activity were identified, and genetic variants associated with diabetes risk were also linked to these clusters.
Researchers have developed a new approach using long-range PCR and next-generation sequencing to obtain large phylogenomic data sets, increasing accuracy in reconstructing evolutionary history. This method allows for the amplification of larger DNA fragments, enabling the targeting of specific genomic regions.
The study found that cartilaginous fish, including the elephant shark, have slower rates of intron evolution than invertebrates. This suggests a general characteristic of vertebrates and helps clarify relationships between different jawed vertebrate groups. The findings provide unique insights into gnathostome evolution.
The Global Invertebrate Genomic Alliance (GIGA) aims to promote comparative genomics and bioinformatics research on non-insect/non-nematode invertebrates. The consortium will facilitate comparisons of genomic studies across multiple labs, improving understanding of animal diversity and the tree of life.
Researchers have discovered that the mitochondria of Amborella trichopoda, a sprawling shrub in the remote South Pacific, have acquired six genome equivalents of foreign DNA. The plant's energy-producing organelles absorbed genes from moss, green algae and flowering plants, creating an enormous mitochondrial genome.
The Amborella genome sequence reveals a 'genome doubling event' that occurred 200 million years ago, explaining the sudden proliferation of new flower species. The discovery provides insights into the genetic origins of important traits in food crops and has significant implications for crop improvement.
A new cooperative consortium, Global Invertebrate Genomics Alliance (GIGA), was formed to explore the genomic basis of unique features in invertebrates. GIGA aims to promote comparative genomics and bioinformatics research on non-insect/non-nematode invertebrates.
Researchers from LSTM and international biologists sequenced the king cobra genome, showing dynamic evolution and adaptation in its venom system. The study reveals rapid expansion of gene families that produce venom toxins, providing snakes with a highly toxic protein mixture.
Scientists have sequenced the genome of the spotted wing drosophila, a major pest affecting blueberries, cherries, and other fruits. The publicly accessible SpottedWingFlyBase Web portal provides valuable data for researchers to develop more effective monitoring and control strategies.
The Burmese python genome study found large numbers of rapidly evolved genes linked to extreme characteristics such as rapid increases in metabolism and organ growth after feeding. The researchers discovered that snakes have undergone incredible changes at all levels of their biology, including physiological and molecular changes.
Researchers have sequenced and analyzed the Burmese python genome, revealing genes that enable extreme feats of organ remodeling and digestion. The study sheds light on the evolutionary biology of snakes and may hold vital clues for treating human diseases such as metabolic disorders and cancer.
The analysis of Rhizophagus irregularis genome reveals its unique ability to capture phosphorus and communicate with plants through cell-to-cell signaling. The fungus has retained much of its metabolic machinery, unlike many other obligate parasitic organisms.
A 24,000-year-old Siberian individual's genome shows close affinity to modern Native Americans and west Eurasians, contradicting the traditional East Asian origin story. This finding indicates two distinct Old World populations contributed to the formation of the First American gene pool.
Researchers used genomic sequences to reconstruct metabolic repertoire for each strain, predicting its environmental niche. The analysis could help develop ways to control deadly E. coli infections and identify new strains.
The research aims to identify and classify microscopic eukaryote species using new genome sequencing technology, providing a more comprehensive understanding of the vital environmental functions they play. The network will bring together researchers from different fields to study global patterns of biodiversity and ecosystem function.
A new research coordination network is working to study eukaryotic biodiversity using high-throughput DNA sequencing technology. Researchers will focus on microscopic organisms playing vital roles in ecosystems, such as breaking down organic matter and turning over soil nutrients.
The DOE JGI 2014 Community Science Program portfolio explores functional information from complex ecosystems, addressing energy and environmental challenges. The inaugural round of eight accepted proposals focus on carbon cycling and biofuels production.
The decoded kiwifruit genome shows significant genetic similarities with other plant species like potatoes and tomatoes, highlighting two major evolutionary events that occurred millions of years ago. The study provides valuable resources for kiwifruit research and breeding programs to improve fruit quality and disease resistance.
Researchers at UC San Diego School of Medicine developed a new approach to understand how master regulators read the genome and turn genes on and off. By analyzing DNA sequence differences affecting these proteins, they found that mutations impact neighboring transcription factors needed to make functional enhancers.
A new method called TGV (TALE-mediated Genome Visualization) allows researchers to observe the localization of specific DNA sequences inside the nucleus of living cells. This study tracked male and female genes after fertilization, revealing new prospects for understanding cell cycle dynamics, DNA behavior, and parent gene expression.
The UK is tackling the issue of food poisoning caused by Campylobacter coli through a new two-year study funded by the Food Standards Agency. Researchers will analyze 500 genomes from various sources to identify genetic markers that can help track the bacteria's presence in different environments.
Researchers have discovered an unprecedented change in the French-Canadian genomic signature over 400 years, with rare mutations accumulating at an alarming rate. This finding has significant implications for understanding population-specific diseases and conservation genetics.
Researchers discovered haloarchaea dominate Deep Lake's microbial community, exchanging DNA among species and genera. The microbes' ability to share genetic information enables specialization, coexistence, and adaptability.
Researchers have pinpointed a specific gene responsible for Prader-Willi syndrome, an imprinted disease affecting muscle tone, feeding difficulties, and intellectual disability. The study identified mutations in the MAGEL2 gene, which was found in three additional patients with similar symptoms.
Researchers have closed the genetic map of the fungal kingdom by sequencing the genome of Pyronema confluens, a basal filamentous ascomycete. The study reveals key differences between this species and higher ascomycetes, shedding light on the evolution of mating type genes and light-activated processes.
Researchers found nearly 200 genomic regions with similar genes in bats and dolphins, indicating convergent evolution of echolocation. The study used a massive genome-wide survey to identify genetic signatures consistent with convergence in 'hearing genes',
Researchers sequenced 147 Mycobacterium bovis genomes to track bovine TB outbreaks, revealing local transmission mechanisms drive the spread of the disease. The study provides unprecedented insight into how the disease spreads and will inform control methods.
Researchers used phylogenetics to analyze whole genome sequences of TB, revealing 39 new genes associated with elevated drug resistance. The findings suggest a multistep process for acquiring resistance and implications for targeted detection methods.
The CARRE Foundation has awarded a $100,000 grant to the Translational Genomics Research Institute (TGen) for an in-depth genomic investigation into MSA. TGen's research will utilize whole genome sequencing and family-based investigations to uncover novel genetic associations with MSA.
Researchers discover REVs originated in mammals and spread to birds through medical intervention, revealing an unusual evolutionary history. The study suggests REVs were introduced into poultry and subsequently into avian cell culture systems, impacting wild birds and domestic poultry.
Researchers have made a breakthrough in genome editing technology, enabling precise control over genetic changes in fruit flies. The CRISPR RNA/Cas9 system allows for targeted mutations and gene expression manipulation, opening up new possibilities for studying human diseases and developing gene therapies.
A single gene, called Shell, has been identified in the oil palm tree that controls its yield. The discovery allows breeders to boost palm oil yields by nearly one-third, providing a promising solution for agriculture and environmental concerns.
Scientists have mapped the genomes of two oil palm species and identified a critical gene for yield improvement. The discovery has implications for enhancing sustainable palm oil production while reducing pressure on wild rainforests, which account for nearly half of global edible vegetable oil.
Researchers at Columbia University Medical Center have identified a genetic mutation that causes congenital malformations of the kidney and urinary tract. The findings suggest that DSTYK mutations account for 2.2% of urinary tract defects in humans, providing a new diagnostic category for clinicians to make precise molecular diagnoses.
Researchers used single-cell genomics to identify 201 distinct microbial genomes, revealing unexpected metabolic features and resolving relationships within and between microbial phyla. The study provides a profound leap of understanding the microbial evolution on our planet.
A collaborative effort by Autism Speaks has found full genome sequencing examining the entire DNA code of individuals with autism spectrum disorder (ASD) and their family members. The study identified genetic variations associated with risk for ASD, including de novo, X-linked, and inherited DNA lesions in four new genes.
A new study published in mBio confirms that the cholera epidemic in Haiti was caused by a single introduction of Vibrio cholerae bacteria from Nepal, rather than repeated introductions. The strains have not acquired new genetic material since their introduction and have limited ability to acquire genes through transformation.
A major step forward in understanding plant gene regulation has been made with the creation of a genomic map that localizes regulatory regions in plant genomes. This map will help scientists identify key genomic regions controlling traits important to farmers.
A 700,000-year-old horse fossil found in the Yukon permafrost has provided new insight into equine evolution, revealing a genome that falls within a line of modern horses and Przewalski's Horses. The study also showed episodes of severe demographic fluctuations in horse populations linked to major climatic changes.
A 700,000 year old horse's genome has been sequenced, revealing major genomic changes over the last 700,000 years of evolution. The study provides unprecedented details on the genetic makeup of modern horses and sheds light on the origin of Przewalski's Horse population.