Articles tagged with Genome Sequencing
Researchers can now contribute to large-scale community protein annotation, enhancing comprehensive coverage of biomedical knowledge. WikiProteins combines existing authoritative databases with mined scientific papers, creating over one million concept clouds called 'Knowlets', which can be annotated by experts.
Researchers have discovered that a fundamental building block in flowering plants evolved independently from lycophytes, an ancient plant group. This finding has significant implications for understanding plant biology and developing more efficient biofuel production methods.
Researchers have successfully sequenced the papaya genome, revealing a complex evolutionary history and providing valuable insights into fruit tree biology. The study also identified genetic mechanisms underlying arboreal development and seed dispersal, with potential implications for other crops in the Brassicales order.
Researchers at Hebrew University of Jerusalem demonstrate the exact mechanism by which embryonic stem cells develop into specific cell types. The study reveals that ES cells express a large proportion of their genome in an 'open and active' state, enabling them to become any cell type before undergoing global genetic silencing.
A consortium of scientists including CSHL's Gregory J. Hannon report findings about mammalian evolution gleaned from comparative study of small-RNA function in platypus, revealing unique characteristics such as egg-laying and venom delivery. The platypus genome also shows conserved small-RNA roles across species.
The genome of Steno, a newly emerging superbug, has been sequenced, revealing an organism with exceptional drug resistance. Understanding its genetic makeup may help researchers develop biochemical compounds to combat this resistance.
The platypus genome sequence published by UK researchers reveals a mix of mammalian, bird-like and reptilian features in the species' genetic blueprint. The analysis found that platypus venom is a cocktail of proteins originally with different functions, similar to those in reptile venom.
The platypus genome provides insights into the evolution of venom components and a bird-like sex-determination system in mammalian ancestors. Researchers have found that platypus venom genes evolved by gene duplication of antimicrobial beta-defensins, mirroring an independent evolutionary pathway in reptiles.
Researchers have completed the first analysis of platypus DNA, revealing insights into gene regulation and immune systems that may lead to advances in human disease prevention. The study's findings also provide new perspectives on mammalian evolution and conservation efforts.
The genome sequence of Podospora anserina shows the fungus has a large set of genes involved in breaking down complex carbon sources, including cellulose and lignin. This discovery may lead to novel regulatory mechanisms during growth and reproduction, with potential applications in biotechnology.
Researchers analyzed genomic data to reveal the evolution of rickettsial genomes and their diversity. The study provides an ideal resource for developing vaccines, diagnostics, and therapeutics for Rickettsia diseases.
A broad collaboration has produced a first draft of the papaya genome, offering insights into its evolutionary path and genetic changes that make it resistant to the papaya ringspot virus. The findings indicate that papaya diverged from Arabidopsis 72 million years ago, taking a different evolutionary path.
A Virginia Tech researcher is investigating the evolution of bacterial speck disease in tomatoes, which may hold clues about how plant pathogens adapted to monoculture farming. The study aims to identify molecular mechanisms allowing pathogens to specialize to specific plant species and become more aggressive.
A recent study suggests that selenium supplements may not be necessary for most people due to a reduced reliance on the trace element in mammals. This discovery raises questions about the need for supplements and highlights the importance of considering individual factors such as age, sex, and medical needs.
A research team has identified a massive superfamily of genes in plant pathogens that manipulate plant cells to facilitate infection. This discovery could lead to new strategies for protecting crops from devastating diseases.
The genome of Tribolium castaneum, a major agricultural pest, has been fully sequenced. This achievement will enable the development of new methods to protect food plants against beetles. The sequencing also provides valuable insights into the biology of other beetle species.
The International Giant Panda Genome Project aims to sequence and assemble the giant panda's draft genome within six months. The project will aid in understanding the genetic and biological underpinnings of this unique species, informing conservation efforts and advancing sequencing technology.
Researchers found that viruses evolve to spell their genes in the same way as their bacterial hosts, demonstrating co-evolutionary behavior. The study also revealed that regions of high codon bias in viral genomes coincide with structural protein encoding, reflecting a selection for optimized protein production.
Researchers at NIA used Genomatix to identify two novel transcription factors, B-Myb and Maz, involved in maintaining undifferentiated stem cells or early differentiation. The study linked pluripotent stem cell-associated transcripts to regulatory gene networks.
A newly sequenced genome reveals insights into the evolution from single-celled life forms to multicellular animals. Choanoflagellates, tiny planktonic organisms, are the closest living relatives of animals and hold key information about human history and the origins of life.
The researchers' successful sequencing of the cyanobacterium's genome has revealed its genetic secrets, shedding light on how it produces chlorophyll d and absorbs far-red light. This discovery holds potential for plant research and could lead to the development of crops that can harness a wider range of light spectrum.
Scientists have sequenced the genome of a rare cyanobacterium that produces an even rarer form of chlorophyll, enabling it to harness near-infrared light. This breakthrough could lead to genetically altered plants that can store and generate solar energy, increasing photosynthesis efficiency.
The DOE JGI has released a preliminary soybean genome assembly, enabling researchers to study the genetic code and develop more effective bioenergy applications. The assembly is based on 13 million shotgun reads and will be improved upon in future versions.
Researchers have sequenced the high-quality draft genome of a Pinot Noir grape, providing insights into its relatively small genome and heterozygosity. The discovery offers a treasure trove of variation to investigate gene characteristics and evolution.
Researchers characterized gene expression patterns in Kawasaki disease patients, identifying innate immune mechanisms and proinflammatory responses. The study supports the use of gene-expression profiles to generate biomarkers for other systemic inflammatory illnesses, improving diagnosis and treatment options.
The Integrated Microbial Genomes (IMG) data management system has been updated to version 2.4, featuring 3,637 genomes from the Version 25 release of NCBI RefSeq. The new update includes a reorganized user interface and enhanced functional annotation capabilities.
LitInspector is a powerful literature and pathway mining system that offers quick and easy retrieval of pathways, genes, gene functions, and gene-gene interactions. The system utilizes cutting-edge text mining technology and leverages the largest gene synonym table available to provide comprehensive results.
Researchers from UF and UT Austin analyzed DNA sequences to build a family tree for plants, revealing the five major lineages of flowering plants that exist today. The diversification is believed to have been sparked by various factors, including climate change and the emergence of new traits.
Researchers sequence genomes of multi-drug resistant and drug-sensitive TB isolates, revealing few genetic differences that contribute to drug resistance. The findings shed light on the genetic factors driving TB drug resistance and lay the groundwork for a rapid diagnostic test.
Researchers have completed the genomes of ten new fruit fly species, providing a comprehensive understanding of their evolution over 60 million years. The study also identified 1193 new genes and 414 corrected previously catalogued genes across the twelve closely related species.
The study of 12 Drosophila genomes provides novel insights into microRNA (miRNA) regulation, identifying 59 new miRNAs and revealing greater diversity in their role in gene expression. The analysis also reveals emergent gene function and post-transcriptional regulation mechanisms, with potential applications in human disease research.
A large-scale comparative analysis of twelve fruit fly species reveals insights on gene evolution, functional elements, and a powerful approach to deciphering other genomes. The study identifies thousands of novel genes, evolutionary signatures, and systematically defines the functional parts of the fly genome.
The study provides unprecedented insights into the genetic diversity of fruit flies, enabling scientists to compare related species and track ancestry. By analyzing mitochondrial DNA sequences from 12 species, researchers have discovered highly conserved genes and rapid-evolving genes, shedding light on evolutionary adaptations.
A recent study integrates lipid metabolic profiling with gene expression analysis, demonstrating the synergistic power of combining metabolic profiling with proprietary microarray analysis methods. The results show that Por can be considered an enzyme critical for proper functioning of lipid mobilization in the mouse liver.
A team of researchers has discovered that colugos, also known as flying lemurs, are the closest living relatives to primates. This finding has significant implications for anthropology and genomics, providing a clearer understanding of primate evolution and potential fossil record placement.
Researchers at DOE JGI identified genes that kill recipient bacteria during gene transfer, providing a possible strategy for discovering new antibiotics. The study also sheds light on the evolutionary history of organisms and offers a way to finish genome assemblies.
The University of Houston's Institute for Molecular Design will receive a $500,000 DNA sequencer, allowing researchers to analyze complex genome data in a couple of days, instead of years. The device will help advance synthetic biology and stem cell research at UH.
Researchers sequenced the genome of Chlamydomonas, a single-celled alga with traits from both animals and plants. The genome contains approximately 15,000 proteins and may have uses in basic bio-medical research, agricultural research, and understanding certain diseases.
Researchers sequence Fusarium graminearum genome to understand its interaction with plants and develop resistance. The study aims to identify genes that enable the fungus to cause disease and produce toxins, which can be fatal to humans and livestock.
Researchers at the University of Illinois discovered a genetic link between maternal and altruistic behaviors in wasps, finding similarities with honey bee workers. The study suggests that eusociality may have evolved from maternal behavior in paper wasps, challenging Darwinian predictions.
Researchers from Penn State University and Copenhagen discovered that hair shafts can preserve ancient DNA, allowing for the sequencing of entire mitochondrial genomes from 10 individual woolly mammoths. This breakthrough enables efficient analysis of genetic material from extinct species.
A new study using a molecular clock indicates that smallpox evolved earlier than previously believed, with divergence times ranging from 16,000 to 68,000 years ago. The research provides a framework for studying the natural history of other diseases and suggests that local pools of old strains existed in geographically dispersed areas.
A recent study reveals Deinococcus geothermalis, a highly radiation-resistant bacterium, originated on Earth, not Mars. Contrary to previous speculation, the research defines a minimal set of genes responsible for its extreme resistance, offering hope for conferring this trait to other organisms.
A global team of researchers has revealed the genetic sequence of Brugia malayi, a parasitic worm that causes debilitating diseases in over 40 million people. The study identifies dozens of potential new targets for drugs or vaccines, including genes involved in molting, immune signaling, and host metabolism.
As personal genomics advances, researchers caution against mass adoption due to ethical, social, and clinical concerns. The integration of genome sequences into routine clinical care poses significant challenges for healthcare systems.
A University of Delaware-led team is working to advance scientific understanding of the rice epigenome, which regulates gene expression. The four-year project uses novel 'deep sequencing' technology to decode millions of DNA sequences and shed light on similar mechanisms in corn and other cereal grains.
A study using a DNA microarray technology, Virochip, detected an unexpected number of viruses and viral subtypes in patients with respiratory tract infections. The technique identified new viruses associated with human diseases, including asthma exacerbations.
Researchers have sequenced the genome of Fusarium graminearum, a fungal plant pathogen that causes devastating blight in wheat and barley crops. The study reveals unstable regions of the genome where disease-causing genes reside, providing insights into the fungus's ability to evolve and adapt.
The Integrated Microbial Genomes (IMG) data management system has been upgraded to Version 2.3, featuring new microbial genomes from the National Center for Biotechnology Information (NCBI) Reference Sequence collection. The system now includes fungi, protists, and plant genomes, providing a broader comparative analysis platform.
Researchers found a repeating pattern of 8 to 10 base pairs between CG dinucleotides that may signal differential methylation and imprinting. This discovery sheds light on the mechanisms of gene regulation and has implications for understanding disease development, particularly in cancer genes.
The complete mitochondrial genome of the mastodon has been sequenced, increasing the age limit for paleogenomic analyses by almost a complete glacial cycle. The study reveals that mammoths are more closely related to Asian than African elephants, with divergence times similar to those of humans, chimpanzees, and gorillas.
Researchers developed a method to catalog genetic variations in Arabidopsis thaliana, revealing regions targeted by natural selection. The study found that one out of 10 genes is very different and many gene families were shaped by evolution. The data have been placed in a publicly accessible database.
Researchers infer complete chromosome sequences from existing data using a statistical method that exploits genetic mutations in organisms with high variability. The study confirms the conserved function of junk DNA and its potential role in regulating gene function.
Scientists at UCSD School of Medicine have found that 'junk' DNA sequences may serve as punctuation marks to organize functional domains within the genome. This discovery could lead to breakthroughs in gene therapy by understanding how genomic material contributes to the regulation of genes.
The DOE JGI has released Version 2.2 of the Integrated Microbial Genomes (IMG) system, offering 2,815 genomes for public access. The new system includes enhanced data exploration and analysis tools, allowing scientists to better study microbial communities.
A retrospective study identified rare drug-resistant HIV variants in blood samples from an earlier clinical trial using ultra-deep sequencing. The findings suggest that even low-level mutations can lead to early treatment failure, highlighting the need for improved resistance testing methods.
Researchers have sequenced and analyzed the complex heterochromatin of fruit flies, revealing over 200 protein-coding genes and functional elements. The study sheds light on the critical role of heterochromatin in cellular survival and organization.
The completed Aedes aegypti genome sequence reveals over 1,000 transposable elements occupying approximately 50% of the genome. These elements may be developed as tools to study mosquito-virus interactions and potentially lead to controls on disease transmission.
The DOE JGI has established a gold standard for metagenomic data analysis, enabling accurate classification of sequence fragments into species populations. The method involves simulating metagenomes with known sample genomes, allowing researchers to evaluate the predictive accuracy of existing tools and identify potential pitfalls.
Tiny green algae, known as picophytoplankton, play a significant share of the world’s total photosynthetic activity. Their genome structure and metabolic capabilities have been studied, revealing adaptations to different ecological niches.