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Tube-dwelling anemones have largest mitochondrial genome on record
Publicado em 24 abril 2019
The tube-dwelling anemone is an ancient sea creature that resembles a prehistoric flower. The animals live slow, long and predictable lifestyles and look fairly similar from species to species.
It’d be easy to use the word “simple” when considering this relative of coral and jellyfish. But wait — not so fast.
New research on tube anemones is challenging everything that evolutionary biologists thought they knew about sea animal genetics. The mitochondrial DNA of the [...]
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Bacteria may help frogs attract mates
Publicado em 15 março 2019Brazilian scientists have found that the sturdy odor launched by some amphibian species is produced by micro organism and that attracting a mate is certainly one of its functions. The micro organism in query are a noteworthy instance of symbiosis as they help within the animal's mating course of. A paper recounting the invention of this function of microorganisms remoted from the pores and skin of frogs has been printed within the journal Proceedings of the National Academy of Sciences [...]ver notícia -
Amoebae diversified at least 750 million years ago, far earlier than expected — ScienceDaily
Publicado em 12 março 2019Brazilian researchers have reconstructed the evolutionary history of amoebae and demonstrated that at the end of the Precambrian period, at least 750 million years ago, life on Earth was much more diverse than suggested by classic theory. The study, which was supported by São Paulo Research Foundation — FAPESP, revealed eight new ancestral lineages of Thecamoebae, the largest group in Amoebozoa. Thecamoebians are known as testates because of their hard outer carapace or [...]ver notícia