Ancient Antarctic microorganisms are aggressive predators

In Antarctica there is a small lake, called Deep Lake, that is so salty it remains ice-free all year round despite temperatures as low as -20°C in winter. Archaea, a unique type of single-celled microorganism, thrive in this bitterly cold environment.

Phys.org

The parasitic lifestyle of an archaeal symbiont https://phys.org/news/2024-08-ancient-antarctic-microorganisms-aggressive-predators.html https://www.nature.com/articles/s41467-024-49962-y

The #archaea used in the study were collected from the cold and hypersaline Deep Lake in #Antarctica... #DPANN archaea are much smaller than other archaea, with very small genomes and limited metabolic capabilities... they depend on host #microbes to survive... This is the first time such aggressive behavior has been observed in archaea.

Ancient Antarctic microorganisms are aggressive predators

In Antarctica there is a small lake, called Deep Lake, that is so salty it remains ice-free all year round despite temperatures as low as -20°C in winter. Archaea, a unique type of single-celled microorganism, thrive in this bitterly cold environment.

Phys.org
Archaea can be 'picky eaters': Study shows a group of parasitic microbes can change host metabolism

A parasite that not only feeds off its host, but also makes the host change its own metabolism and thus biology: NIOZ microbiologists Su Ding and Joshua Hamm, Nicole Bale, Jaap Damsté and Anja Spang have shown this for the very first time in a specific group of parasitic microbes called DPANN archaea. Their study, published in Nature Communications, shows that these archaea are very "picky eaters," which might drive their hosts to change the menu.

#Archaea can be picky eaters: Study shows a group of parasitic #microbes can change host metabolism
https://phys.org/news/2024-05-archaea-picky-eaters-group-parasitic.html

Selective lipid recruitment by an archaeal #DPANN symbiont from its host https://www.nature.com/articles/s41467-024-47750-2

"these parasitic microbes can affect the metabolism of other microbes, which in turn could alter how they can respond to their environment"

Archaea can be 'picky eaters': Study shows a group of parasitic microbes can change host metabolism

A parasite that not only feeds off its host, but also makes the host change its own metabolism and thus biology: NIOZ microbiologists Su Ding and Joshua Hamm, Nicole Bale, Jaap Damsté and Anja Spang have shown this for the very first time in a specific group of parasitic microbes called DPANN archaea. Their study, published in Nature Communications, shows that these archaea are very "picky eaters," which might drive their hosts to change the menu.