The Centers for Disease Control and Prevention says a glitch in its bird flu test hasn't harmed the agency's outbreak response. But it has ignited scrutiny of its go-it-alone approach in testing for emerging pathogens.
Jul 31, 2024
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A multidisciplinary research team has developed a discovery platform to probe the function of genes involved in metabolism—the sum of all life-sustaining chemical reactions.
Jul 8, 2024
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A review article provides a comprehensive overview of the biological mechanisms of suppressor tRNA, traces the development history of related research, explains the advantages and disadvantages of suppressor tRNA therapy ...
Jul 8, 2024
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The cerebellum is a region of the brain that helps us refine our movements and learn new motor skills. Patients and mouse models experience many kinds of abnormal movements when their cerebellum is damaged. They can have ...
Jul 3, 2024
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Health care providers should watch out for new and highly contagious forms of ringworm or jock itch, which are emerging as a potential public health threat, according to a pair of reports.
Jun 5, 2024
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A new advanced artificial intelligence (AI) algorithm may lead to better—and earlier—predictions and novel therapies for autoimmune diseases, which involve the immune system mistakenly attacking their body's own healthy ...
May 20, 2024
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For most patients, it's unknown exactly what causes amyotrophic lateral sclerosis (ALS), a disease characterized by degeneration of motor neurons that impairs muscle control and eventually leads to death.
May 2, 2024
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Understanding how genetics affect health is an essential first step toward treating and preventing a host of diseases. New knowledge often comes from genome-wide association studies identifying variations in the genetic code ...
Apr 10, 2024
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About 90% of deaths from cancer are a result of metastasis—that is, from cancer's ability to spread from an initial primary tumor to seed new tumors throughout the body, often in the lungs, liver, and brain.
Apr 9, 2024
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Patients who have had surgery to create a Fontan circulation show changes in their genetic code, which may provide a new treatment opportunity to reduce premature aging.
Apr 4, 2024
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The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. The code defines a mapping between tri-nucleotide sequences, called codons, and amino acids. A triplet codon in a nucleic acid sequence usually specifies a single amino acid (though in some cases the same codon triplet in different locations can code unambiguously for two different amino acids, the correct choice at each location being determined by context). Because the vast majority of genes are encoded with exactly the same code (see the RNA codon table), this particular code is often referred to as the canonical or standard genetic code, or simply the genetic code, though in fact there are many variant codes. Thus the canonical genetic code is not universal. For example, in humans, protein synthesis in mitochondria relies on a genetic code that varies from the canonical code.
It is important to know that not all genetic information is stored using the genetic code. All organisms' DNA contain regulatory sequences, intergenic segments, and chromosomal structural areas that can contribute greatly to phenotype but operate using distinct sets of rules that may or may not be as straightforward as the codon-to-amino acid paradigm that usually underlies the genetic code (see epigenetics).
This text uses material from Wikipedia, licensed under CC BY-SA
