Sex cells in parasites are doing their own thing
Researchers at the University of Bristol have discovered how microbes responsible for human African sleeping sickness produce sex cells.
Researchers at the University of Bristol have discovered how microbes responsible for human African sleeping sickness produce sex cells.
Cell & Microbiology
May 11, 2021
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9
In most living animals, egg cells are vastly larger than sperm cells. In humans, for example, a single egg is 10 million times the volume of a sperm cell.
Evolution
Apr 16, 2021
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51
Scientists at the University of Oldenburg's Institute for Chemistry and Biology of the Marine Environment (ICBM) have scored a success: in the aquariums at the ICBM's Wilhelmshaven site they were able to induce sexual reproduction ...
Plants & Animals
Apr 9, 2021
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28
Short pieces of DNA—jumping genes—can bounce from one place to another in our genomes. When too many DNA fragments move around, cancer, infertility, and other problems can arise. Cold Spring Harbor Laboratory (CSHL) Professor ...
Cell & Microbiology
Apr 8, 2021
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38
On hot summer days, the lucky ones among us can rely on air conditioning, fans or maybe even a swim to cope with high temperatures.
Plants & Animals
Feb 23, 2021
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Not all species need sperm to fertilize an egg for sexual reproduction. Some species need sperm in order to induce completion of egg nucleus development, but then never use the sperm's DNA. I describe how this self-sexual ...
Plants & Animals
Feb 19, 2021
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7
In northern Canada, the forest floor is carpeted with reindeer lichens. They look like a moss made of tiny gray branches, but they're stranger than that: they're composite organisms, a fungus and algae living together as ...
Plants & Animals
Jan 29, 2021
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374
A male Springbok praying mantis looking for a hook up doesn't have to worry about a female stealing his heart away.
Plants & Animals
Jan 20, 2021
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392
The Colorado potato beetle is a notorious pest—and a kind of unstoppable genius.
Plants & Animals
Dec 21, 2020
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53
Evolutionary biologists at Skoltech have discovered recombination in bdelloid rotifers, microscopic freshwater invertebrates characterized by their presumed ancient asexuality. The existence of such anciently asexual groups ...
Cell & Microbiology
Dec 18, 2020
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6