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Search results for developmental biology

Plants & Animals Aug 17, 2022

Lungless salamanders develop lungs as embryos despite lung loss in adults for millions of years

Lungs are essential to many vertebrates including humans. However, four living amphibian clades have independently eliminated pulmonary respiration and lack lungs, breathing primarily through their wet skin. Little is known ...

Cell & Microbiology Aug 12, 2022

How patterns in nature arise and inspire everything from scientific theory to biodegradable materials

Nature is full of patterns. Among them are tiling patterns, which mimic what you'd see on a tiled bathroom floor, characterized by both tiles and interfaces—such as grout—in between. In nature, a giraffe's coloring is ...

Cell & Microbiology Aug 8, 2022

Enhancers cooperate to regulate master transcription factors for sound receptor hair cell development

A study published in PNAS on Aug. 5 reveals the genome-wide chromatin accessibility of neonatal cochlear hair cells (HCs) and has identified two previously unknown Atoh1 enhancers. This study demonstrates that three Atoh1 ...

Cell & Microbiology Aug 4, 2022

Drosophila embryonic development at single-cell resolution

Scientists have constructed the most complete and detailed single-cell map of embryo development in any animal to date, using the fruit fly as a model organism.

Molecular & Computational biology Aug 4, 2022

Endogenous ceramide phosphoethanolamine modulates circadian rhythm and longevity in Drosophila

The circadian clock entrains rhythmic patterns in behavioral and physiological processes to temporally coordinate systemic metabolism with the rising and setting of the sun. In previous investigation on human subjects, sphingomyelins ...

Molecular & Computational biology Aug 1, 2022

Molecular basis of high nitrogen use efficiency of wheat cultivar

A research team led by Prof. Ling Hongqing from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences (CAS), together with collaborators from Ludong University and the Computer Network ...

Cell & Microbiology Jul 27, 2022

New study reveals how 'free radicals' drive cell division, uncovering a potential new way to target cancer

Scientists have discovered how naturally occurring but unstable molecules, known as free radicals, can control the fundamental process of cell division, which, when it goes wrong, can lead to uncontrolled cell growth and ...

Paleontology & Fossils Jul 21, 2022

Meet Qikiqtania, a fossil fish with the good sense to stay in the water while others ventured onto land

Approximately 365 million years ago, one group of fishes left the water to live on land. These animals were early tetrapods, a lineage that would radiate to include many thousands of species including amphibians, birds, lizards ...

Plants & Animals Jul 20, 2022

Scientists identify DNA 'hotspots' that tell zebrafish to change sex in warmer waters

Higher water temperatures induce specific chemical tags at targeted locations on the DNA of embryonic zebrafish. These "epigenetic" changes can then reroute genetic pathways, so that the embryos change sex. This finding, ...

Cell & Microbiology Jul 18, 2022

Researchers describe the unique origin of a neutrophil's chemical messaging system

Inside all of us is an army of cells called neutrophils, primed and ready to take out any invader, be it bacteria in a wound or viruses entering our airways. As the first line of defense for the immune system, neutrophils ...

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