Articles tagged with Genome Sequencing Strategies
Researchers identified two opposing patterns of brain gene activity in mice carrying autism-risk mutations, which vary by sex and respond differently to experimental drugs. The patterns, which are shared across multiple analyses, suggest that many different genetic mutations converge into a limited number of molecular brain states.
A recent analysis found that while genomic testing increased among Medicare recipients, many patients still lack next-generation sequencing tests. This limits their access to precision medicine and targeted therapies. The study highlights the need for further research on how increased testing impacts patient outcomes.
Circulating circRNAs show high cell-type and tissue specificity, making them ideal for non-invasive cancer management. They can be detected in multiple body fluids and reflect treatment response, positioning them as functional drivers of therapy resistance.
Researchers identified why some patients with rare blastic plasmacytoid dendritic cell neoplasm (BPDCN) leukemia don't respond to tagraxofusp. Severe TET2 gene mutations and low TXNRD1 enzyme levels contribute to resistance, suggesting these biomarkers could predict treatment outcomes.
A new European alliance aims to build a continent-wide system using genomics for protecting biodiversity, combining DNA barcoding and genome sequencing. The initiative will enable efficient collaboration and interoperability in biodiversity research.
Researchers at UT MD Anderson Cancer Center have made significant advancements in cancer care, including the development of a targeted RAS inhibitor therapy for pancreatic cancer and a biomarker of chemotherapy resistance in relapsed lung cancer. The studies also explore the tumor microenvironment of triple-negative breast cancer and i...
Researchers developed a 13-gene panel and machine learning model to predict TNBC patient responses to chemotherapy, identifying macrophage subtypes associated with treatment outcomes. The study provides novel insights into the gene-expression programs and tumor microenvironment of early-stage triple-negative breast cancer.
J. Craig Venter's pioneering work in expressed sequence tags revolutionized brain-expressed genes identification, while his synthetic cells paved the way for synthetic biology as a working discipline. His legacy has reshaped our understanding of genomes and their functions.
A mini-review synthesizes large-scale genomic findings to illuminate the polygenic architecture underlying common epilepsies. Rare genetic variants contribute to epilepsy risk, with shared biological pathways involving ion channel function and synaptic excitability
Researchers used genome sequencing to identify blight-resistant trees with high American chestnut ancestry, preserving the species' ecological and cultural importance. The approach, known as genomic selection, allows breeders to predict resistance and make better decisions earlier in the breeding process.
The study created a critical framework for understanding the architecture of the genome and its association with gene function in cells. The 4DN Consortium integrated data from over a dozen techniques to compile an extensive catalogue of looping interactions between genes and regulatory elements.
Researchers develop ddHodge, a geometry-preserving method that accurately reconstructs cell state dynamics. The technique reveals repeating processes like the cell cycle and identifies critical biological moments in embryonic development, tissue regeneration, and cancer progression.
Researchers at Arizona State University introduce powerful tools to analyze microbial family trees and biological data, strengthening microbiome research, disease tracking and environmental monitoring. The new software library scikit-bio provides a foundation for analyzing large biological datasets.
A new method developed by Penn State researchers improves the analysis of genetic data, identifying more genes associated with neurodegenerative diseases like Alzheimer's and ALS. The technique, BASIC, integrates both bulk tissue samples and single-cell data to uncover shared genetic effects across different cell types.
The American Society of Human Genetics (ASHG) is hosting the Genetic Diagnosis & Rare Disease Virtual Symposium, providing state-of-the-art methodologies in genetics and genomics research. Attendees can earn CME credits and engage with leading experts in rare disease diagnosis and genomic technologies.
The team achieved rapid genomic sequencing and interpretation within hours, setting a Guinness World Records milestone. This breakthrough has the potential to expedite precise treatments for critically ill babies in the Neonatal Intensive Care Unit (NICU), reducing waiting times from days to hours.
Marmar Moussa's project aims to bridge the gap between single-cell technologies and spatial tissue analysis, creating a more complete picture of disease development. The new algorithms will enable scientists to study tumor progression, extracellular matrix remodeling, and other dynamic processes in cancer and beyond.
A new study published in Cell found that relying on stand-in reference DNA from similar but different species can significantly distort research findings for vulnerable species. Using the wrong genome can miss up to a third of genetic variations and lead to misleading conservation decisions.
Researchers at MD Anderson have made significant advancements in treating kidney cancer, including the use of metastasis-directed targeted radiation therapy to delay systemic treatments. Additionally, preliminary data from an ELI-002 vaccine trial showed promise in delaying relapse of KRAS-mutated pancreatic and colorectal cancers.
Researchers developed a strategy to predict multiple traits at once based on the whole genome, increasing predictive ability by 2-10 times. This method, called multi-trait genomic selection (MT-GS), combines genetic markers with known trait links for more accurate predictions, making it a promising tool for efficient and cost-effective...
Researchers at Salk Institute launched a machine learning framework called ShortStop to explore overlooked DNA regions and discover microproteins with potential roles in disease. The tool identified 210 new microprotein candidates in lung cancer data, including one validated target for therapeutic treatment.
Scientists have developed a new tool named scICE to tackle the stability problem in single-cell RNA sequencing data. The tool provides a way to validate clustering outcomes mathematically, ensuring higher confidence in conclusions drawn from single-cell data.
Dr. Eric Sun's groundbreaking work uses spatial aging clocks to measure biological age at the individual cell level, identifying specific cell types that drive brain aging in neighboring tissues. His machine learning models reveal complex intercellular communication networks that determine aging rates.
Researchers at City of Hope discovered that mutated cells can persist for years without becoming cancer and require an additional inflammatory push for malignancy to occur. Chronic inflammation is a key trigger for tumor formation, making it essential to avoid situations like high-fat diets and obesity.
A new AI tool, NicheCompass, visualizes a cell's social network to help treat cancer. By analyzing millions of cells from patient samples, the tool predicts molecular changes and identifies potential targets for personalized treatments.
Researchers identified a unique genetic signature that can predict bacterial antibiotic resistance. The finding could help develop precision-based treatments and reduce overuse of antibiotics.
Genetic testing using high-throughput sequencing (HTS) technology has significantly improved detection rates for thalassemia, offering a valuable model for high-prevalence regions. HTS-based genetic testing offers greater sensitivity and specificity without adding significant costs.
A research team led by Hidemasa Bono mapped the genomes of susceptible and resistant bed bug strains, revealing new insights into the development of pyrethroid resistance. The study identified 729 resistance-specific mutations in protein-coding genes related to DNA damage response, cell cycle regulation, and lysosome functions.
Researchers developed a new tool called SigRM to analyze single-cell epitranscriptomics data, enabling the study of RNA modifications in individual cells. This can provide valuable insights into gene regulation and its impact on health and disease, particularly in complex conditions like cancer.
Researchers have created the world's largest freely-available resource of human gut cells, mapping 1.6 million cells to identify new ways to treat disease. The study highlights a specific gut cell type involved in inflammation, potentially leading to new targets for IBD treatment and bowel cancer prevention.
The Human Cell Atlas has made significant progress in mapping individual adult tissues, developing gut cell types for ulcerative colitis research, and creating comprehensive reference maps of all human cells. The initiative aims to capture all aspects of human diversity, including genetic, geographic, age, and sex, to advance diagnosti...
The red milkweed beetle's genome has been sequenced, providing insights into how it safely feeds on toxic plants. The study found an apparent expansion of genes related to toxin sequestration and metabolic enzymes.
A study by Duke-NUS reveals that only half of South and Southeast Asian countries have genomic sequencing initiatives in their national plans. The study identifies key priorities to enhance preparedness against future pandemics, including strengthening partnerships, financing, and guidelines.
Researchers developed a new 'pan-pathogen' deep sequencing approach to capture multiple bacterial strains simultaneously. This method enables faster and more comprehensive tracking of antibiotic-resistant bacteria, potentially preventing and managing common hospital infections quicker.
A new open-source platform, Nova-ST, is transforming gene expression profiling in tissue samples by offering affordable and high-resolution spatial analysis. This approach allows scientists to map gene expression across a tissue section with a spatial context, enabling the study of complex biological processes.
Diatoms, single-celled plankton, build biomass by feeding on organic carbon, challenging the assumption that photosynthesis is their only strategy. The discovery has major implications for understanding the global carbon cycle and could alter estimates of carbon dioxide diatoms pull out of the air.
The Xanthomonas cucurbitae pathogen that causes bacterial spot has remained genetically uniform across the Midwest, with most isolates sharing over 99% identical DNA sequences. This lack of diversification may hinder the pathogen's ability to evolve and could be leveraged for developing disease-resistant crops.
Telo-seq reveals dynamic mechanisms of telomeres in aging and cancer, providing new insights into their role in health and disease. The breakthrough method determines telomere length and sequence on individual chromosomes.
Scientists at Gladstone Institutes developed two new tools for single-molecule analysis, slashing the amount of DNA needed by 90 to 95 percent. The SMRT-Tag tool allows researchers to study DNA at single-molecule resolution using as few as 10,000 cells, enabling the analysis of tumor biopsies and other clinically relevant samples.
A team at Osaka University uses novel RNA sequencing techniques to reveal the molecular basis for sexual dimorphism in Daphnia, a species of water flea that can change its form and behavior despite being genetically identical. The study identifies genes that switch which isoforms are expressed in a sex-dependent manner.
A consortium of scientists, including Brazilians, has successfully sequenced the reference genome of Arabica coffee. The study identified genes responsible for resistance to rust and other diseases, as well as those related to the aroma of Arabica coffee. By comparing a dihaploid-derived genome with a common tetraploid variety, researc...
Researchers reconstructed the entire evolutionary history of birds using advanced algorithms and genomic data from over 60,000 regions. The new family tree reveals patterns in avian diversification following the mass extinction event that wiped out dinosaurs.
A team of Rice University researchers has developed a platform for integrating DNA and RNA data from single-cell sequencing with greater speed and precision. The method, MaCroDNA, relies on a classical algorithm to identify matching pairs of data and outperformed state-of-the-art technologies in accuracy measurements.
A new study from Scripps Research scientists and collaborators found that local transmission of SARS-CoV-2 was driven by travel between locations, not geographic proximity. The partial closure of the U.S.-Mexico border was ineffective in preventing cross-border transmission.
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 have identified genetic variants and structural patterns that contribute to the development of Bartter syndrome type 3, a rare kidney disease. The study's findings may lead to better diagnostic and treatment options for affected individuals.
Researchers have finally solved the mystery of the pygmy right whale's evolutionary history, revealing it as a distinct lineage not related to right whales. The study, published in Marine Mammal Science, used genome sequencing and morphology to confirm the whale's unique characteristics.
Rice University's assistant professor of computer science, Todd Treangen, has been awarded a $599,943 National Science Foundation CAREER Award to develop a comprehensive computational platform for detecting yet-unseen microbial pathogens. The project aims to characterize previously unseen pathogens that could pose a risk to humans.
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
Researchers evaluate Jumpcode Genomics CRISPRclean technology for transforming pandemic response through highly sensitive testing. The assay quickly identifies variant strain types and individual host responses in a single workflow.
The newly published oat genome sequence provides insights into its health benefits and breeding potential. The hexaploid genome contains genes linked to human health and nutrition, supporting oat safety in gluten-free diets.
The new T2T reference genome adds nearly 200 million base pairs of novel DNA sequences, including 99 genes likely to code for proteins. This completes the first truly complete sequence of a human genome, covering each chromosome from end to end with no gaps and unprecedented accuracy.
Researchers at UC Davis MIND Institute found a novel gene linked to autism spectrum disorder in newborns. The study analyzed DNA methylation signatures in the placenta, which reflected fetal brain development and early autism diagnosis.
The Sanford Children's Genomic Medicine Consortium has initiated a whole genome sequencing research project to investigate undiagnosed illnesses in children with suspected inborn errors of immunity. The study aims to sequence the genomes of up to 25 patient genomes and learn information that can benefit patients and others.
A new study published in Applications in Plant Sciences highlights the negative effects of clearcutting on mycorrhizal fungi, showing less diversity in formerly deforested areas. High-throughput sequencing reveals over 300 distinct fungal lineages in soil and root samples, shedding light on ecosystem health.
Researchers at MIT and Institut Pasteur have created an efficient method for assembling entire genomes, including the human genome, in minutes using personal computers. This approach uses minimizer-space de Bruijn graphs to store only a small fraction of nucleotides while preserving overall genome structure, enabling faster processing ...
Researchers at Osaka University have developed a new method for detecting single DNA molecules directly from individual cells, eliminating the need for subsequent steps. The 3D-integrated nanopore allows for efficient delivery of released DNA molecules to the sensing zone, enabling robust detection and analysis.
A new AAV-delivered gene therapy strategy uses immunomodulation to reduce inflammation and improve efficacy. By incorporating TLR9-inhibitory sequences into the AAV genome, researchers have enhanced expression of transgenes in mice, suggesting potential for higher efficacy.
The sequencing of plant genomes has accelerated significantly, with over 181 horticultural species now sequenced. These advancements have provided new insights into the inheritance of traits and evolutionary aspects of various plant species, including fruit development and ripening. The data will benefit future research projects and pr...
Brazilian researchers developed a software program called Polyploid Gene Assembler (PGA) to map specific portions of plant DNA, saving at least two orders of magnitude compared to mapping the whole genome. The technique uses publicly available data from related grasses to locate genes of interest for plant breeders.