Articles tagged with Genome Sequencing
Researchers found that specialist fruit fly Drosophila sechellia is losing genes for smell and taste receptors at a faster rate than its generalist relative Drosophila simulans. This adaptation may help the flies adjust to eating specific plants.
A collaborative research project has sequenced and assembled the complete genome of Pichia stipitis, a native xylose-fermenting yeast. This breakthrough will increase efficiency and economic viability in bioconversion by enabling simultaneous fermentation of glucose and xylose.
Researchers at Yale University have identified key virulence genes in A. baumannii bacteria, which cause highly resistant infections in combat troops. The study's findings suggest new targets for antimicrobial drugs and provide insight into the evolution of bacterial virulence.
Scientists have sequenced the genome of symbiotic bacteria in giant clams living near hydrothermal vents, revealing a unique chemosynthetic process that allows them to thrive in dark depths. The bacteria fix carbon and produce nutrients for the clam, similar to how chloroplasts work in photosynthesis.
Researchers found that the genetic code is nearly optimal for encoding signals of any length in parallel to sequences coding for proteins. The code is also organized efficiently, halting protein synthesis when necessary to conserve energy and resources.
The Cornell-led International Tomato Sequencing Project will sequence the tomato genome and create a comprehensive database of genomic sequences, enabling researchers to study crop development and domestication. The project, funded by $1.8 million from the NSF, aims to tie together maps and genomes of all plants in the Solanaceae family.
Researchers have decoded the genetic makeup of T. vaginalis, a parasite causing trichomoniasis, revealing potential pathways for new treatments, diagnostics, and a vaccine strategy. The large genome comprises nearly 26,000 predicted genes, with many repetitive genes accounting for 65% of its structure.
A recent study analyzes the genome of Cytophaga hutchinsonii, a bacterium that efficiently breaks down cellulose. The research suggests a possible connection between motility and cellulose digestion, which could lead to more efficient conversion of cellulose into ethanol for bioenergy production.
A single gene, ROP18, accounts for 90% of Toxoplasma gondii's virulence, making it a key target for identifying and treating the parasite's most dangerous strains. Researchers hope to develop new treatments using existing kinase inhibitors.
Researchers are studying how unicellular micro-algae, known as diatoms, create complex cell walls and aim to learn from their intricate micro-architectures. Genetic engineering of diatoms using microparticle bombardment enables the insertion of mutated or foreign genes into the genome, potentially leading to novel silica nanostructures.
The DOE JGI has released version 2.0 of the Integrated Microbial Genomes (IMG) system, which features 1541 new public microbial, viral and eukaryotic genomes. Additionally, 177 in-house sequenced genomes have been added to the database, bringing the total number of genomes to 2301.
Researchers used comparative genome sequencing technology to study E. coli's evolution over 44 days. Mutations appeared in key genes, enabling faster growth and adapting to environmental conditions.
A new genetic analysis has revealed that flies and moths are most closely related to beetles, contrary to previous theory. This finding suggests that the ability of insects to cooperate in social groupings may have evolved just once, rather than independently in several different species.
Researchers have sequenced the honeybee genome, revealing its African origins and surprising spread throughout Europe, Asia, and North and South America. The findings highlight the need for better breeding practices to assist pollination and mitigate the negative impact of Africanized bees.
Research reveals ARGONAUTE 4 protein (AGO4) plays a dual role in RNA-directed DNA methylation, controlling epigenetic organization of entire genome. 454 Sequencing technology allows for comprehensive view of small RNAs, revolutionizing research on mechanisms of RNA interference.
ASU researchers have identified ancestral genes from solitary predecessors as likely connected to social behavior in honeybees. The study mapped behavior precisely to genome regions using high recombination rates, revealing a conserved pathway of insulin signaling involved in foraging decisions.
A new metagenomic study of activated sludge wastewater treatment processes reveals key players and mechanisms behind the process. The researchers were able to obtain a nearly complete genetic blueprint for Accumulibacter phosphatis, a bacterial species essential for removing excess phosphorus from wastewater.
Genomatix Software GmbH has appointed a distributor in China, Beijing ZGZ Science and Technology Development Co., Ltd., to expand its market presence. This partnership is significant for Genomatix, with over 1,800 researchers in China subscribed to its free services.
Biologists have discovered that genes can change their locations in a genome, triggering the origin of species. The 'jumping gene' theory, long disputed, has been confirmed by researchers at the University of Rochester using fruit fly species Drosophila melanogaster and Drosophila simulans.
Researchers analyzed Paulinella's plastid genome, finding it closely related to cyanobacteria and retaining ancient genetic features. The study offers insights into the establishment of plastids and the transition from single-celled hosts to complex organisms.
The genome sequences of P. ramorum and P. sojae could lead to strategies to combat these destructive plant pathogens. Phytophthora species cause significant losses in various crops, including soybeans, oak trees, and cocoa beans, resulting in hundreds of billions of dollars in economic damage annually.
A new microchip-based test called FluChip can distinguish among 72 influenza strains in under 12 hours, enhancing global flu surveillance efforts. This technology has the potential to increase laboratory diagnostic capacity and provide critical information on the geographic origin of emerging viruses.
The sequenced genome of Tetrahymena thermophila encodes over 27,000 protein-coding genes and lacks centromeres, shedding light on the single-celled organism's unique biology. The discovery provides a valuable model for studying eukaryotic evolution.
Tetrahymena thermophila has two distinct nuclei, each with a different genome, and its macronuclear genome expresses genes governing behavior. The study reveals gene duplication in genes involved in sensing and responding to environment.
Scientists have discovered a common coastal strain of cyanobacteria that thrives in choppy, polluted waters. The study found that this strain has evolved unique metal-processing biology missing in its open-ocean relative, enabling it to absorb and process essential metals.
Researchers from Max Planck Institute successfully sequenced the genome of a methane-producing Rice Cluster I Archaeon, revealing unique enzymatic mechanisms that enable them to thrive in oxygen-rich environments. This breakthrough could pave the way for developing methods to monitor and potentially reduce methane emissions from floode...
Scientists identified a genetic element that the dengue virus uses to replicate, triggering the potentially fatal illness known as dengue hemorrhagic fever. The discovery provides a model for RNA replication in flaviviruses, which cause millions of cases of human illness each year.
The Laccaria genome sequence will provide critical insights into the symbiotic relationship between trees and fungi, enabling faster-growing trees with enhanced biomass production. The study highlights the importance of mycorrhizal fungi in terrestrial ecosystems and their potential to mitigate climate change.
Scientists have uncovered the complete genome sequence of Ostreococcus tauri, a tiny eukaryote that plays a significant role in ocean climate dynamics. The study reveals the organism's complex genetic makeup and its ability to perform photosynthesis, which has major implications for carbon cycling.
A new hybrid method combines the best of old and new genome-sequencing technologies to produce better quality genomic information. The approach evaluates the utility and cost-effectiveness of two sequencing methods and finds that a hybrid method produces superior results.
The DOE JGI has released IMG 1.5, which contains 62 finished and 100 draft genomes sequenced by the institute. The release includes 38 new DOE JGI genomes and 21 new public microbial genomes, with 22 archaeal genomes featuring curated gene models.
Researchers have gained insights into the genetic mechanisms of Proteus mirabilis, a bacterium causing kidney stones and complicated urinary tract infections. The complete genome sequence, including 3,693 genes and 4.063 megabases of DNA, will help scientists identify potential targets for new vaccines.
Scientists have discovered that ancient genes, including Constans (CO) and Flowering Locus T (FT), dictate flowering and fall bud set in trees. This finding has significant implications for understanding tree maturation and adaptation to climate change, as well as speeding up tree breeding.
The VBI Microbial Database provides genome sequence and annotation data for two major plant pathogens, Phytophthora sojae and Phytophthora ramorum. The database offers powerful analytical tools and community annotation features to facilitate research on these pathogens.
A new method for targeted gene disruption has been developed for the filamentous fungus A. brassicicola, allowing for high-throughput identification of genes and their functions. This breakthrough enables researchers to dissect the pathogen's genome and establish the function of individual genes in disease development.
Researchers sequenced DNA from microbes and viruses collected at different ocean depths, discovering thousands of new genes and evidence of frequent gene exchange. This study provides a comprehensive picture of ocean microbial communities and their interactions with the environment.
A study of 135 bacteria and 16 primitive microorganisms reveals large- and small-scale organizational patterns in their genomes, which are highly nonrandom. The findings suggest that evolution of prokaryotes is constrained by both gene content and genome arrangement on chromosomes.
Researchers at McMaster University have successfully sequenced the woolly mammoth genome, providing a new understanding of evolution and allowing for the potential recreation of extinct hybrid animals. The discovery has significant implications for fields such as conservation and genetics.
The DOE JGI is accepting letters of intent for new CSP projects until January 13, 2006, with a focus on advancing the nation's energy security. The institute will prioritize proposals that translate genomic information into discoveries for developing cleaner domestic energy options.
Scientists at The Institute for Genomic Research have sequenced the genome of Aspergillus fumigatus, a fungus that can cause human infections. The 28 Mb genome consists of 8 chromosomes with over 10,000 genes, which researchers are now searching to identify unique virulence factors.
Researchers have successfully sequenced the DNA of a woolly mammoth, comparing it to African and Indian elephant genomes. The study provides unprecedented insight into the evolution and extinction of the species.
Researchers harness dog genome data to study genetic diseases, breed characteristics, and skeletal variation. The findings highlight the dog's potential as a valuable model organism in genetics and medical research.
Scientists suggest prioritizing organisms based on evolutionary divergence to maximize sequence diversity, offering a more efficient approach than considering multiple factors simultaneously. This 'greedy strategy' allows centers to select the best candidates one at a time without compromising overall effectiveness.
A new microbial genome sequence shows that C. hydrogenoformans can convert water and carbon monoxide to hydrogen, making it an excellent starting point for clean fuel production. The microbe's unique protein machines allow it to use carbon monoxide in different ways, making it more efficient than other species.
The fourth version of IMG, a collaborative effort between DOE JGI and the Lawrence Berkeley National Laboratory, adds organism phenotype characterizations and enhances comparative analysis capabilities. The update features extended Analysis Carts and improved functional profiles across organisms.
A team of researchers has identified key genes responsible for the Spanish flu's extreme virulence, which could lead to the development of effective antivirals and vaccines. The study also suggests that certain FDA-approved flu medications may be effective against future strains of the virus.
Researchers at The Institute for Genomic Research predict that infinite genomes may never be fully described due to the continuous emergence of new genes in bacteria and viruses. By analyzing eight isolates of Group B Strep, TIGR scientists discovered a core genome with an average of 1806 genes present across all strains.
The latest version of IMG, a collaborative effort between the DOE JGI and Lawrence Berkeley National Laboratory, enables users to add annotations and save analysis results. The update also features improved comparative analysis capabilities and a new training workshop designed for teachers and students.
Researchers discovered that thermophilic bacteria have an abundance of disulfide bonds, which improve protein stability and boost heat-tolerance. The study identified a specific protein, protein disulfide oxidoreductase (PDO), playing a key role in forming these bonds.
A new technique called piggyBac has been developed to systematically inactivate genes in the mouse genome, enabling researchers to understand the functions of individual genes. This method uses a reliable gene-transposing tool that can insert itself into the genomes of human and mouse cells.
The complete sequence of the rice genome has been announced, providing a genetic toolkit for breeders to develop novel strains that are highly productive, disease-resistant, and environmentally friendly. This breakthrough has significant implications for global food security and sustainable agriculture.
The completed rice genome sequence provides a raw material for studies aimed at improving the agricultural yield of the world's most important food source. The sequence reveals some 37,500 genes on the 12 chromosomes of rice, closely related to other major cereal grasses.
A recent study reveals that symbiotic bacteria, such as Blochmannia, exhibit exceptional genomic stability despite rapid protein evolution. Genome sequencing of the black carpenter ant mutualist revealed that all shared genes were completely conserved in both genomes, indicating a striking lack of genetic change over millions of years.
A large-scale genomic study found that co-circulating minor variants of the flu virus can exchange genes and create novel, epidemiologically significant strains. This process can lead to an epidemic with just one or two more mutations, challenging the traditional view of epidemic flu.
Researchers discover key biochemical tools that cold-adapted bacteria use to survive in subzero temperatures, including cell membranes packed with polyunsaturated fatty acids and protective solutes inside cells. The study also reveals potential industrial applications for cold-hardy enzymes found in the Colwellia psychrerythraea genome.
Researchers have discovered a shared genetic core among three deadly parasites, which could lead to the development of new drugs targeting these diseases. The genome studies found that the parasites share approximately 6,200 conserved genes, providing potential targets for treatment.
Researchers have identified 34 mutations resulting in embryonic lethality, attributing it to defects in cellular proliferation, gastrulation, and other developmental processes. The study predicts that between 13.7% and 19% of all mouse genes are necessary for embryonic viability.
Researchers have identified gene sequences involved in the host-parasite relationship and parasite metabolism, providing potential vaccine candidates. The sequencing of trypanosome genomes has significant challenges due to repetitive sequences but promises to advance tropical medicine by helping develop new drugs against these diseases.
Researchers found nearly equal proportions of two different sexes in a worldwide collection of 290 specimens, indicating recent evolutionary history of sexual activity. This discovery could lead to new strains with increased ability to cause disease and infect humans.
A genome study of the beneficial microbe Pseudomonas fluorescens Pf-5 has identified new chemical pathways that may help boost plant health and combat plant diseases. The research, published in Nature Biotechnology, reveals the potential for this microbe to produce new antibiotic compounds.