A cast of so-called 'nurse cells' surrounds and supports the growing fruit fly egg during development, supplying the egg—or 'oocyte'—with all the nutrients and molecules it needs to thrive. Long viewed as passive in this ...
Cell & Microbiology
Mar 22, 2021
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561
Almost half of our DNA sequences are made up of jumping genes—also known as transposons. They jump around the genome in developing sperm and egg cells and are important to evolution. But their mobilization can also cause ...
Biotechnology
Jul 26, 2018
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27
New work from Carnegie's Allan Spradling and Lei Lei demonstrates that mammalian egg cells gain crucial cellular components at an early stage from their undifferentiated sister cells, called germ cells. This mechanism had ...
Cell & Microbiology
Feb 25, 2016
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6
Egg cells are by far the largest cells produced by most organisms. In humans, they are several times larger than a typical body cell and about 10,000 times larger than sperm cells.
Molecular & Computational biology
Mar 5, 2021
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27
In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along its entire ...
Cell & Microbiology
Nov 26, 2009
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0
Scientists at Cincinnati Children's appear to have flipped another piece in the underexplored puzzle of male infertility.
Cell & Microbiology
Oct 26, 2021
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47
Northwestern Medicine scientists discovered a new and unique transport mechanism within developing egg cells in fruit flies, according to a study published in eLife.
Cell & Microbiology
Mar 14, 2022
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57
A protein helps direct the flow of materials in the Drosophila ovary during the development of egg cells, according to a Northwestern Medicine study published in Current Biology.
Cell & Microbiology
Jun 15, 2021
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14
Northwestern Medicine scientists have identified how cytoskeletal proteins contribute to the growth of developing eggs in fruit flies, findings that further the field's understanding of how egg cells form and differentiate ...
Cell & Microbiology
Oct 10, 2023
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6
During the growth and development of living organisms, different types of cells must come into contact with each other in order to form tissues and organs together. A small team working with Prof. Dr. Anne Classen of the ...
Cell & Microbiology
Nov 2, 2022
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