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Search results for developmental biology

Evolution Apr 13, 2023

Natural selection among neural progenitor cells controls mammalian brain size

In nature, competition for survival among organisms or species is a fundamental evolutionary force, as described by Darwin's theory of natural selection. Similarly, in multicellular organisms, competitive interactions also ...

Evolution Apr 12, 2023

How skates learned to fly through water is revealed in their genome

The little skate's dance on the ocean floor is graceful: Its massive frontal fins undulate as it skims beneath a layer of sand. With its mottled sand-colored camouflage, the animal is easy to miss.

Molecular & Computational biology Mar 24, 2023

Researchers find new function of oil regulator GmZF351 in soybean stress tolerance

Soybean production is very limited in China. To increase the soybean yield, there is an urgent need to develop soybean varieties that can grow and adapt to the vast areas of saline, alkaline and arid lands.

Evolution Mar 20, 2023

Demographic modeling plays back tape of wheat evolution

Wheat, which includes bread wheat and its relatives, is a staple food crop that feeds about 35% of the world's population. As one of the first ancient crops to appear in the Fertile Crescent, wheat has been cultivated for ...

Evolution Mar 17, 2023

Diversification of the ruminant skull—from microevolutionary processes to macroevolutionary patterns

Evolutionary biologists aim to form fundamental connections between microevolutionary processes and macroevolutionary patterns based on comparative datasets of population-level variation. In a new report on Science Advances, ...

Cell & Microbiology Mar 1, 2023

Selective removal of undifferentiated iPS cells from mesenchymal stem cells

Mesenchymal stem cells (MSCs) are present in all tissues and are known to directly or indirectly promote tissue regeneration. There are several challenges in acquiring MSCs from living organisms for cell replacement therapies, ...

Evolution Feb 23, 2023

New insights into chordate body plan development answer long-standing questions on evolution

Life began on Earth more than 3.5 billion years ago, but the history of humans and other vertebrates accounts for only a fraction of this timescale. Chordates (a group that includes vertebrates) and echinoderms (like starfish ...

Cell & Microbiology Feb 16, 2023

Better understanding of craniofacial birth defects opens new roads for regenerative medicine

Craniofacial birth defects, including cleft lip and palate, are among the most common human congenital malformations. These craniofacial anomalies occur because of defects in neural crest cells, whose role is to give rise ...

Cell & Microbiology Feb 14, 2023

Researchers identify new molecular mechanism key to planarian regeneration

Planaria are freshwater flatworms that have become a key model for studying regeneration and stem cells, as they can regenerate any part of the body, even the head. But how does the animal know what part of its body is missing ...

Cell & Microbiology Feb 13, 2023

Researchers engineer spinal cord-like tissue with drug-guiding function for spinal cord injury repair

In a recent study published in Science Advances, a research team led by Profs. Dai Jianwu and Zhao Yannan at the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences demonstrated a strategy ...

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