Genetics

Discover Your Family Tree With A $99 Dna Test From 23andme - Cnet

Black Friday must be coming, because 23andMe's Health and Ancestry test is half off again.
Related topics: Medical Research, DNA, DNA Test, Black Friday

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New Synthetic Dna Vaccine Against Powassan Virus

Scientists have designed and tested the first-of-its-kind synthetic DNA vaccine against Powassan virus (POWV), targeting portions of the virus envelope protein.
Related topics: DNA, Vaccines, Virus, Virology, Proteins

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Malaria Parasites Adapt To Survive The Dry Season

The main parasite that causes malaria can alter its gene expression to survive undetected in the human blood stream, new research has shown.
Related topics: Malaria, Parasites, Medical Research

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Weekly Link Love – Edition 105

Research of the Week Ramadan fasting appears to lower cancer markers and improve metabolic health (albeit from baseline, not compared to a control group). The genetic legacy of prehistoric dogs. Exercising and eating better improve physical and...
Related topics: Medical Research, Ramadan, Cancer, Oncology

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Cancer-fighting Gene Restrains 'jumping Genes'

About half of all tumors have mutations of the gene p53, normally responsible for warding off cancer. Now scientists have discovered a new role for p53 in its fight against tumors: preventing retrotransposons, or 'jumping genes,' from hopping around...
Related topics: Cancer, Oncology, Medical Research

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Genomic Study Reveals Role For Hypothalamus In Inflammatory Bowel Disease

Using sophisticated 3D genomic mapping and integrating with public data resulting from genome-wide association studies (GWAS), researchers have found significant genetic correlations between inflammatory bowel disease (IBD) and stress and depression.
Related topics: Genomics, Medical Research, Stress, Depression

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Comparing Sensitivity Of All Genes To Chemical Exposure

An environmental health scientist has used an unprecedented objective approach to identify which molecular mechanisms in mammals are the most sensitive to chemical exposures.

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Ancient Skull A New Window On Human Migrations, Denisovan Meetings

Enlarge / These excavations identified Denisovan DNA within the sediment. (credit: Dongju Zhang, Dongju Zhang, Lanzhou University) The Denisovans occupy a very weird place in humanity's history. Like the Neanderthals, they are an early branch off...
Related topics: DNA

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In Embryos, Crispr Can Cut Out Whole Chromosomes—that's Bad

The DNA-cutting tool has been hailed as a way to fix genetic glitches. But a new study suggests it can remove more than scientists bargained for.
Related topics: Chromosomes, DNA

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Spring-run And Fall-run Chinook Salmon Aren't As Different As They Seem

Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the timing of migration in Chinook salmon is...

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Study Of Ancient Dog Dna Traces Canine Diversity To The Ice Age

A global study of ancient dog DNA, led by scientists at the Francis Crick Institute, University of Oxford, University of Vienna and archaeologists from more than 10 countries, presents evidence that there were different types of dogs more than...
Related topics: DNA, Archaeology

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A Groundbreaking Genetic Screening Tool For Human Organoids

Many of the fundamental principles in biology and essentially all pathways regulating development were identified in so-called genetics screens. Originally pioneered in the fruit fly Drosophila and the nematode C. elegans, genetic screens involve...

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Bioenergy Research Team Sequences Miscanthus Genome

An international research team has sequenced the full genome of an ornamental variety of miscanthus, a wild perennial grass emerging as a prime candidate for sustainable bioenergy crops. The genome project provides a road map for researchers...

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Brainstem Neurons Control Both Behavior And Misbehavior

A recent study reveals how gene control mechanisms define the identity of developing neurons in the brainstem. The researchers also showed that a failure in differentiation of the brainstem neurons leads to behavioral abnormalities, including...
Related topics: Neurons, Medical Research

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Study Identifies Pitfall For Correcting Mutations In Human Embryos With Crispr

The most detailed analysis to date of CRISPR genome editing in human embryos finds a significant risk of chromosomal abnormalities when using the technique at earliest stage of human development.

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A Groundbreaking Genetic Screening Tool For Human Organoids

Researchers have developed CRISPR-LICHT, a revolutionary technology that allows genetic screens in human tissues such as brain organoids. By applying the novel technology to brain organoids, the ER-stress pathway was identified to play a major role...
Related topics: Medical Research, Stress

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Amount Of Covid Viral Rna Detected At Hospital Admission Predicts How Patients Will Fare

A new study published online in the Annals of the American Thoracic Society examines whether the amount of RNA, or genomic load, of SARS-CoV-2 detected in swab tests of patients being admitted to the hospital with viral pneumonia is associated with...
Related topics: Medical Research, Genomics, Pneumonia

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Dogs Were Domesticated Once From A Lost Population Of Wolves

Enlarge (credit: Elizabeth Tersigni) Genomics researcher Anders Bergstrom and his colleagues recently sequenced the genomes of 27 dogs from archaeological sites scattered around Europe and Asia, ranging from 4,000 to 11,000 years old. Those...
Related topics: Genomics

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Denisovan Dna In The Genome Of Early East Asians

Researchers analyzed the genome of the oldest human fossil found in Mongolia to date and show that the 34,000-year-old woman inherited around 25 percent of her DNA from western Eurasians, demonstrating that people moved across the Eurasian continent...
Related topics: DNA, Fossils, Paleontology

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Spring-run And Fall-run Chinook Salmon Aren't As Different As They Seem

Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the timing of migration in Chinook salmon is...

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