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Showing posts with label
Biology
.
Show all posts
Showing posts with label
Biology
.
Show all posts
Thursday, April 4, 2024
New sunflower family tree reveals multiple origins of flower symmetry
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A new sunflower family tree reveals that flower symmetry evolved multiple times independently. Chrysanthemum lavandulifolium, on the upper l...
Scientists identify rare gene variants which confer up to 6-fold increase in risk of obesity
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Photo Credit: Mart Production The discovery of rare variants in the genes BSN and APBA1 are some of the first obesity-related genes identif...
Wednesday, April 3, 2024
Discovery of how COVID-19 virus replicates opens door to new antiviral therapies
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A new study, looking at the replication stage of the SARS-CoV-2 virus that causes COVID-19, discovered important mechanisms in its replicati...
Pressure determines which embryonic cells become ‘organizers’
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Tooth epithelium (cell surface; yellow) and mesenchyme (cell surface; magenta). Proliferating cells (cyan) expand the tissue, generating a ...
Discovery could end global amphibian pandemic
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Panamanian golden frog Photo Credit: Brian Gratwicke/U.S. Fish & Wildlife Service A fungus devastating frogs and toads on nearly every c...
In the evolution of walking, the hip bone connected to the rib bones
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New reconstruction of the skeleton of Tiktaalik roseae, a 375-million-year-old fossil fish. In a new study, researchers used micro-CT imagin...
Tuesday, April 2, 2024
Scientists link certain gut bacteria to lower heart disease risk
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Rod-shaped Oscillibacter sp. bacteria take up fluorescently labeled cholesterol (here shown in green). Image Credit: Ahmed Mohamed Changes ...
Sunday, March 31, 2024
Rice biologists uncover new species of tiger beetle: Eunota houstoniana
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Eunota houstoniana, with male on left and female on right. Photo Credit: Rice University Rice University evolutionary biologist Scott Egan a...
Scientists identify Achilles heel of lung cancer protein
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Researchers have shown for the first time that a crucial interface in a protein that drives cancer growth could act as a target for more eff...
Saturday, March 30, 2024
Researchers discover molecule that promotes production of cancer cells in triple-negative breast cancer
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Hiroshima University researchers found that AIbZIP is highly upregulated in triple negative breast cancer (TNBC). AIbZIP induces hyper proli...
Friday, March 29, 2024
‘Exhausted’ immune cells in healthy women could be target for breast cancer prevention
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Photo Credit: Angiola Harry Everyone has BRCA1 and BRCA2 genes, but mutations in these genes - which can be inherited - increase the risk o...
Risk factors for faster aging in the brain revealed in new study
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Governments have been urged to act decisively before 2035 to ensure global warming can be kept below 2°C by 2100. Photo Credit: Nöel Puebla...
Not unique to humans but uniquely human: researchers identify factor involved in brain expansion in humans
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A microscopy image of a human brain organoid. Image Credit: © Janine Hoffmann What makes us human? According to neurobiologists it is our ne...
Thursday, March 28, 2024
Researchers Identify Microbes That Help Plants Thwart Parasite
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Sorghum crops in sub-Saharan Africa suffer heavy losses from the parasitic plant witchweed (Striga hermonthica). A new study shows how soil ...
Friday, March 22, 2024
Messenger RNAs with multiple “tails” could lead to more effective therapeutics
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Graphic showing scientists adding "tails" to mRNA molecules Illustration Credit: Catherine Boush, Broad Communications Messenger R...
Two keys needed to crack three locks for better engineered blood vessels
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Two proteins can trigger the signaling cascades needed to help differentiate stem cells into endothelial cells that can form tubular-like ve...
Wednesday, March 20, 2024
Natural recycling at the origin of life
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Volcanic freshwater lakes, similar to those found in Iceland today, offered a favorable niche on an early earth. The low-salt, alkaline cond...
Study reveals how pH affects the ability of ulcer bacteria to attach
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Anna Åberg and Anna Arnqvist Björklund. Photo Credit: Mattias Pettersson A study by Anna Arnqvist's research group at Umeå University re...
Tuesday, March 19, 2024
Cells harvested from urine may have diagnostic potential for kidney disease, find scientists
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Image Credit: AI generated / Gemini Advance Genes expressed in human cells harvested from urine are remarkably similar to those of the kidne...
Inflammatory bowel disease after a stem cell transplant
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Additional genetic testing could make bone marrow donations even safer. Image Credit: Gerd Altmann A stem cell donation saves a leukemia su...
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