Cell division is an important process that underlies biological growth and repair. Cell biologists track this process by observing chromosomes—structures made of DNA that contain the genetic material of an organism. Advances ...
Cell & Microbiology
Nov 16, 2021
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51
Researchers from Tokyo Metropolitan University have identified unifying features in the early evolution of X and Y chromosomes. Newly evolved sex chromosomes in three fruit fly species showed the same genetic compensation ...
Evolution
Nov 15, 2021
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193
In one of the mysteries of mammalian development, every cell in the early female embryo shuts down one of its two copies of the X chromosome, leaving just one functional. For years, the mechanics behind this X chromosome ...
Cell & Microbiology
Nov 12, 2021
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328
The human genome is littered with selfish genetic elements, which do not seem to benefit their hosts, but instead seek only to propagate themselves.
Evolution
Nov 11, 2021
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126
Synaptonemal complex (SC) assembly between paired homologous chromosomes plays a vital role in ensuring correct homologous recombination during meiosis. However, the mechanisms underlying the genetic regulation of SC assembly ...
Plants & Animals
Nov 10, 2021
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33
A gene which has profound effects on the production of seeds has been identified by researchers from the John Innes Centre. Gene-editing techniques helped to identify and explain the key gene, ZIP4, in wheat which is responsible ...
Molecular & Computational biology
Nov 8, 2021
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20
Scientists have discovered that tiny 'microchromosomes' in birds and reptiles, initially thought to be specks of dust on the microscope slide, are linked to a spineless animal ancestor that lived 684 million years ago. They ...
Evolution
Nov 2, 2021
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61
Scientists are learning more and more about human biological variation, including of sex characteristics. But images of the human body in anatomy remain mostly muscular, white, and male with limited diversity, including of ...
Social Sciences
Oct 26, 2021
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8
A research team led by Dr. Karen Wing Yee Yuen, Associate Professor from the School of Biological Sciences at the University of Hong Kong (HKU), revealed the mechanism of artificial chromosome (AC) formation in the embryos ...
Cell & Microbiology
Oct 18, 2021
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60
Using supercomputer-driven dynamic modeling based on experimental data, researchers can now probe the process that turns off one X chromosome in female mammal embryos. This new capability is helping biologists understand ...
Molecular & Computational biology
Oct 4, 2021
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247
