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Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
gene : a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic material — Webster
Gene is a sequence of DNA or RNA that codes for a molecule that has a function. During gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be the intermediate template for a protein that performs a function. The transmission of genes to an organism’s offspring is the basis of the inheritance of phenotypic traits. These genes make up different DNA sequences called genotypes. Genotypes along with environmental and developmental factors determine what the phenotypes will be. Most biological traits are under the influence of polygenes (many different genes) as well as gene–environment interactions. Some genetic traits are instantly visible, such as eye color or number of limbs, and some are not, such as blood type, risk for specific diseases, or the thousands of basic biochemical processes that constitute life.. — Wikipedia
Genetics is the study of genes, genetic variation, and heredity in living organisms. It is generally considered a field of biology, but intersects frequently with many other life sciences and is strongly linked with the study of information systems. — Wikipedia
Genomics is an interdisciplinary field of science focusing on the structure, function, evolution, mapping, and editing of genomes. A genome is an organism’s complete set of DNA, including all of its genes. In contrast to genetics, which refers to the study of individual genes and their roles in inheritance, genomics aims at the collective characterization and quantification of genes, which direct the production of proteins with the assistance of enzymes and messenger molecules. In turn, proteins make up body structures such as organs and tissues as well as control chemical reactions and carry signals between cells. Genomics also involves the sequencing and analysis of genomes through uses of high throughput DNA sequencing and bioinformatics to assemble and analyze the function and structure of entire genomes.[Advances in genomics have triggered a revolution in discovery-based research and systems biology to facilitate understanding of even the most complex biological systems such as the brain. — Wikipedia
Nature Genetics - Issue - nature.com science feeds Nature Genetics publishes the very highest quality research in genetics. It encompasses genetic and functional genomic studies on human traits and on other model organisms, including mouse, fly, nematode and yeast. Current emphasis is on the genetic basis for common and complex diseases and on the functional mechanism, architecture and evolution of gene networks, studied by experimental perturbation.
Publisher Correction: An evolutionary framework...
by Brad Gulko on February 20, 2019 at 12:00 am
Publisher Correction: An evolutionary framework for measuring epigenomic information and estimating cell-type-specific fitness consequencesPublisher Correction: An evolutionary framework for measuring epigenomic information and estimating cell-type-specific fitness consequences, Published online: 20 February 2019; doi:10.1038/s41588-019-0369-zPublisher Correction: An evolutionary framework for measuring epigenomic information and estimating cell-type-specific fitness consequences […]
Protein-coding variants implicate novel genes...
by Anne E. Justice on February 18, 2019 at 12:00 am
Protein-coding variants implicate novel genes related to lipid homeostasis contributing to body-fat distributionProtein-coding variants implicate novel genes related to lipid homeostasis contributing to body-fat distribution, Published online: 18 February 2019; doi:10.1038/s41588-018-0334-2A transancestral exome-wide association study for body-fat distribution identifies protein-coding variants that are significantly associated with waist-to-hip ratio adjusted for body mass index. […]
Integrated analysis of population genomics,...
by Priyanka Kachroo on February 18, 2019 at 12:00 am
Integrated analysis of population genomics, transcriptomics and virulence provides novel insights into Streptococcus pyogenes pathogenesisIntegrated analysis of population genomics, transcriptomics and virulence provides novel insights into <i>Streptococcus pyogenes</i> pathogenesis, Published online: 18 February 2019; doi:10.1038/s41588-018-0343-1This study presents the genomes of 2,101 emm28 Streptococcus pyogenes invasive strains, of which 492 were transcriptionally profiled, and […]
Causal relationships among the gut microbiome,...
by Serena Sanna on February 18, 2019 at 12:00 am
Causal relationships among the gut microbiome, short-chain fatty acids and metabolic diseasesCausal relationships among the gut microbiome, short-chain fatty acids and metabolic diseases, Published online: 18 February 2019; doi:10.1038/s41588-019-0350-xMendelian randomization analyses using genotyping data, gut metagenomic sequence and fecal short-chain-fatty-acid levels from 952 individuals combined with GWAS data show evidence of a causal effect of the gut microbiome on metabolic traits. […]
Lung regeneration by multipotent stem cells...
by Qiaozhen Liu on February 18, 2019 at 12:00 am
Lung regeneration by multipotent stem cells residing at the bronchioalveolar-duct junctionLung regeneration by multipotent stem cells residing at the bronchioalveolar-duct junction, Published online: 18 February 2019; doi:10.1038/s41588-019-0346-6Fate-mapping and clonal analysis show that bronchioalveolar stem cells (BASCs) become activated and respond distinctly to different lung injuries and differentiate into multiple cell types. Single-cell RNA-seq analysis identifies new BASC markers. […]
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
Research creates DNA-like molecule to aid search...
on February 21, 2019 at 9:39 pm
In a research breakthrough funded by NASA, scientists have synthesized a molecular system that, like DNA, can store and transmit information. This unprecedented feat suggests there could be an alternative to DNA-based life, as we know it on Earth – a genetic system for life that may be possible on other worlds. […]
Giant tortoise thought extinct is found on...
on February 21, 2019 at 7:42 pm
Conservationists in the Galapagos Islands have found a giant tortoise from a species thought to have become extinct more than a century ago. […]
Pioneering study could offer protection to...
on February 21, 2019 at 5:31 pm
Skin cells taken from patients with a rare genetic disorder are up to ten times more sensitive to damage from ultraviolet A (AVA) radiation in laboratory tests, than those from a healthy population, according to new research from the University of Bath. […]
Fruit fly wing research reshapes understanding of...
on February 21, 2019 at 4:00 pm
How do fruit flies grow their wings? Rutgers scientists discovered a surprising answer that could one day help diagnose and treat human genetic diseases. […]
Yeasts reach across tree of life to domesticate...
on February 21, 2019 at 4:00 pm
An insect's gut might seem an inhospitable place to settle in, but diverse microbes nonetheless make their home there. Yet in the gut, there's a struggle for the nutrients needed to survive among the resident bacteria and fungi—not to mention the insect. […]