Articles tagged with Genome Sequencing
Researchers have sequenced the lungfish genome, which is 90 billion bases long and breaks all records for size. The study reveals that autonomous transposons are responsible for the genomic expansion, but surprisingly, the genome remains stable despite its enormous size.
Researchers discover a gene drive system, Teosinte Pollen Drive (TPD), that enables the quick transfer of traits from teosinte to maize. This finding sheds light on corn's rapid adaptation to the highlands and has significant implications for agriculture.
A Cornell University study reveals efficient and sustained mammalian-to-mammalian transmission of highly pathogenic avian influenza H5N1 between cows and from cows to cats and a raccoon. The virus shows high tropism for the mammary gland and infectious viral loads in milk.
A new genetic test has identified a mutation causing progressive retinal atrophy (PRA) in English Shepherd Dogs, allowing breeders to eliminate the disease from their population. The test is available for purchase and will help prevent the disease from being passed on to puppies.
Researchers sequenced genomes of 179 wild-caught flies and museum specimens, producing low-cost, high-quality DNA sequences. The new data helps refine our understanding of the evolutionary relationships among 360 species in the Drosophilidae family.
Researchers at Texas A&M University uncovered how domestic rabbits become feral in the wild through natural selection. They found that all European, South American, and Oceania rabbits had a mix of feral and domestic DNA, explaining why they quickly adapted to living in the wild.
Arctic Mycena mushroom species have unusually large genomes, expanding beyond general Mycena expansion. Genomes show widespread growth across their genome, with genes and elements acquired through horizontal gene transfer.
The special issue explores challenges and opportunities in managing synthetic genomics risks, introducing a common global baseline for nucleic acid synthesis screening. Review articles provide insights into enhancing gene synthesis security and biosecurity practices of synthetic DNA providers.
Researchers at PNRI reveal how specific DNA rearrangements called inverted triplications contribute to the development of various genetic diseases. These complex rearrangements are caused by segments of DNA switching templates during the repair process, leading to disruptions in normal gene function and contributing to genetic disorders.
Researchers at Eötvös Loránd University sequenced and characterized the paradise fish genome, revealing a compact genetic material ideal for targeted genome editing experiments. This breakthrough opens up new possibilities for studying evolutionary development and complex behaviors.
The study reveals remarkable variation between primate Y chromosomes, showing rapid evolution and previously unstudied regions. The researchers found that over 90% of ape X chromosome sequences aligned to the human X chromosome, while only 14-27% of ape Y chromosome sequences aligned to the human Y chromosome.
Researchers at Harvard University have successfully sequenced the genome of the extinct little bush moa, providing new genetic evidence about its sensory biology. The study sheds light on how and why some birds evolved to become flightless, offering clues for future de-extinction efforts.
A new Research Training Group will investigate the evolution of nuclear genomes in organisms using different forms of reproduction, including asexual and sexual reproduction. The group aims to better understand the dominance of sexual reproduction in nature through empirical analysis of changing and evolving genomes.
Researchers created GraSSRep and rhea, tools that outperform current methods for handling repeats and structural variants in metagenomic data. These methods use self-supervised learning and graph neural networks to analyze microbiome data, offering new insights into biological processes and potential applications in antibiotic resistance.
A team of researchers has identified a key gene, Emx2, that helps explain the evolution of gliding in marsupials. The study found that accelerated evolution near this gene and its associated enhancers drives the development of patagium, the thin skin membrane allowing gliding.
The Hong Kong Biodiversity Genomics Consortium has launched a project to sequence the genomes of its eukaryotic biodiversity, which is rich in species but threatened by climate change. The first five genomes have been published in GigaByte Journal to coincide with International DNA Day.
Researchers have discovered how bella moths, found in eastern North America, Central America, and the Caribbean, use toxic pyrrolizidine alkaloids to guard their eggs and deter predators. The moths' ability to safely consume these toxins is linked to specific genes that may confer immunity.
Researchers identified a small RNA-binding protein called La that promotes gene editing with high efficiency. The team created a new protein, PE7, which harnesses La's activity to enhance prime editing, leaving unwanted byproducts at low frequencies.
A mysterious plasmid, pBI143, found in 90% of human intestines, could be used to identify faecal contamination and offer insights into intestinal diseases. The discovery also highlights the prevalence of 'cryptic' plasmids in human gut microbiota.
The study charts the family history of Arabica through Earth's heating and cooling periods over the last millennia. The research found that Arabica developed over 600,000 years ago in Ethiopia via natural mating between two other coffee species.
Researchers have discovered a virus that infects the fungus Batrachochytrium dendrobatidis, which causes heart failure in frogs and toads. The virus could be engineered to control the fungal disease and potentially save amphibian species.
A recent study has identified two distinct viral variants circulating in India, one with a low number of genetic variations and another with a high number of genetic variations. The latter variant is similar to LSDV strains from an outbreak in Russia in 2015, which may have contributed to the severity of the disease.
A Canadian-led study has identified genes that may be partially responsible for the development of cerebral palsy. The research found that over 11% of children with CP have a genetic variant or likely genetic variant, highlighting the need for personalized treatment approaches.
Researchers have developed a cost-effective approach for identifying L. pneumophila using whole genome sequencing, which can analyze available specimens without culturing. This method has already been used to identify the source of deadly Legionnaires' disease outbreaks, including a 2015 outbreak in New York City.
Female Diadem butterflies have evolved colours and patterns that closely match those of toxic African Queens, making them appear toxic to predators. This convergent evolution allows the Diadems to avoid being eaten by birds and other predators.
A collaboration between students and scientists has successfully sequenced the pear genome, providing valuable resources for pear breeding efforts. The initiative, ACTG, is disrupting traditional academic models by offering students a unique entry point into genomic research.
Researchers studied Prorocentrum cordatum to understand its molecular processes, revealing a unique photosynthetic machinery that may help it adapt to changing light conditions. The findings could lead to improved understanding of harmful algal blooms and their role in climate change.
A new genetic marker for cardiomyopathy has been identified through whole genome sequencing, suggesting that tandem repeat expansions may cause four percent of cases. This discovery provides a promising lead for early detection and the development of precision therapies.
Researchers found duplicated antibiotic resistance genes in bacteria from environments with higher antibiotic use, increasing the likelihood of evolution and resistance to new treatments. The study suggests using antibiotics more efficiently could address the growing antibiotic resistance crisis.
Researchers found that ancient retroviruses are essential for myelin production in mammals, amphibians, and fish. The gene sequence RetroMyelin is likely a result of ancient viral infection, and its presence is necessary for myelination to occur.
Scientists have successfully replicated QS-21, a potent vaccine adjuvant, in an alternative plant host for the first time. This breakthrough enables the production of this highly valued compound in a more sustainable manner.
A new study reveals that genotyping technology detects Covid variants almost a week faster than traditional whole genome sequencing methods. This technique allowed for the rapid detection of Covid variant information, enabling local control measures such as contact tracing to be implemented more quickly.
Researchers have sequenced 52 Psilocybe specimens, including 39 species previously unsequenced, to understand the evolution of psychoactive psilocybin production. The study reveals two distinct gene orders within the psilocybin-producing gene cluster, suggesting an ancient split in the genus.
Researchers at Tokyo Medical and Dental University characterize myeloid/natural killer (NK) cell precursor acute leukemia (MNKPL) using multiomics approaches, revealing distinct molecular features. This work provides crucial details for accurate diagnoses and therapeutic decisions.
A team of scientists sequenced the full genome of a sea cucumber collected at a hydrothermal vent, revealing expanded gene families involved in DNA repair and iron metabolism. The research provides valuable insights into the unique adaptations of marine animals to survive in extreme environments.
Researchers from the Smithsonian National Museum of Natural History analyzed a 160-year-old woolly dog pelt to determine its genetic makeup. The study found that woolly dogs diverged from other breeds up to 5,000 years ago and were genetically similar to pre-colonial dogs from Newfoundland and British Columbia.
The review highlights Brazil's importance in global sustainability efforts, with the country having twice as many articles on sugarcane as the US. Genetic engineering techniques need improvement to increase ethanol production while minimizing crop expansion. CRISPR-Cas9 gene editing is a promising approach for precise modifications.
A team of scientists developed a technique to rapidly detect genetic changes in malaria parasites using portable MinION sequencers. They demonstrated the first end-to-end, real-time pathogen monitoring from clinical blood samples in rural, resource-limited malaria hotspots.
Researchers found that rare gene variants associated with inflammatory bowel disease (IBD) are less prevalent in African Americans, suggesting a different genetic contribution to the disease. The study highlights the importance of considering genetic diversity and admixture in IBD research.
Researchers discovered a bitter taste receptor in sharks, similar to the one found in humans. This finding provides insights into the evolution of bitter taste perception, dating back around 500 million years.
Researchers sequenced skin samples from people with psoriasis and found minimal differences in mutation types between affected and unaffected skin tissue. Driver mutations were identified, but their impact on the development of psoriasis is unclear.
A new study validates Low-Pass Genome Sequencing (LP GS) as a robust and cost-effective alternative to Chromosomal Microarray Analysis (CMA) for prenatal diagnosis. LP GS detects six additional Copy Number Variations (CNVs) in cases with negative CMA results, highlighting the importance of sequencing depth in its detection sensitivity.
Researchers improved biomass-related traits in sheepgrass using a custom genome editing system, revealing its potential for rapid genomic breeding. The study increased understanding of sheepgrass genomics and established a precedent for its genetic improvement.
A genome study of over 600 carrot types finds that recessive genes controlling orange carotenoids are essential for the vegetable's orange color. The study also sheds light on carrot domestication in Western Asia and Europe during the Middle Ages and Renaissance periods, respectively.
Researchers have sequenced the genomes of Scaphopoda, a rare and understudied mollusk group. The study provides new insights into early Molluscan evolution, resolving a long-standing debate on the phylogenetic placement of Scaphopoda.
A team of University of Connecticut undergraduates has published the first full map of the butternut's DNA, a process that could help conserve endangered species. The project is part of an ambitious effort to sequence the DNA of overlooked organisms, including deep-sea corals and critically endangered birds.
A Pittsburgh-based surveillance system detected a drug-resistant Pseudomonas aeruginosa infection linked to artificial tears months before the national public health alert. The findings demonstrate the effectiveness of whole genome sequencing-based surveillance in detecting outbreaks and preventing nationwide cases.
Australian researchers analyzed over 1,300 Golden staph strains, linking specific genes to antibiotic resistance and the bacteria's ability to linger in the bloodstream. The study highlights the diagnostic power of integrating clinical and genomic data to develop targeted solutions for deadly superbug infections.
Researchers sequenced genomes of key cultivated and wild pepper species to identify genes associated with critical traits like fruit shape, flavor, and stress responses. The study provides valuable genomic resources for future functional studies and breeding efforts.
A new study has shed light on the origins of St Helena's 'liberated' Africans, who were brought to the island between 1840 and 1867. The research reveals that they most likely originated from areas between northern Angola and Gabon in West Central Africa.
Implementing whole genome sequencing (WGS) can prevent bacterial healthcare-associated infections, saving the NHS £480 million annually. The technology has major implications for health policymakers and healthcare leaders, with potential benefits including reduced antimicrobial resistance.
The team successfully completed the sequencing of the Y chromosome using long-read sequencing technology and innovative computational assembly methods. This achievement adds 41 additional protein-coding genes and provides crucial insight into reproduction, evolution, and population change.
Researchers from four countries sequenced genomes of 100 infants with unexplained seizures to better understand the potential strengths of early genome sequencing for infantile epilepsy. The study found that 43% received a diagnosis within weeks, and this impacted prognosis in nearly 90% of cases.
A new study reveals that Ötzi had a Mediterranean-European skin tone and little to no Eastern European ancestry. His hair was likely sparse, with a predisposition to baldness. The research team used advanced sequencing technology to analyze Ötzi's genome, which has more Anatolian farmer ancestry than any of his European contemporaries.
A research group at Kyoto University has successfully developed a self-fertile buckwheat variety and a new type of the crop with a sticky texture. This breakthrough could contribute to the efficient breeding of less-common orphan crops, addressing the world's growing food demands.
Research by the Peter Doherty Institute found that inflammation alters plasma composition, hindering parasite maturation. This work reveals a new mechanism slowing down malaria parasite development in the bloodstream.
Researchers at the University of Missouri have developed a new method using nanopores to advance discoveries in neuroscience and medical applications. The technique allows for real-time detection of dynamic aptamer-small molecule interactions, which can aid in understanding DNA and RNA diseases and drug discovery.
Researchers sequenced einkorn wheat's genome, tracing its evolutionary history and identifying resilient properties that can be reintroduced into modern bread wheat. The study's findings provide insight into human migration and settlement, as well as potential solutions to protect the world's food supply.
Biologists argue that building on genomic sequencing momentum is critical in society's response to future pandemics. The technology improved during the COVID-19 pandemic, but gaps remain in global infrastructure and data sharing.
A new national study found whole genome sequencing to be nearly twice as effective as a targeted gene sequencing test at identifying genetic disorders in newborns and infants. The targeted panel missed 40% of diagnoses that WGS captured, while also revealing 134 new genetic diagnoses.