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New protein discovery reveals evolutionary history of aging-associated gene family

New protein discovery reveals evolutionary history of aging-associated gene family

by Daniela Jofré | Apr 24, 2023 | Bioinvasions and Endemism, Biological Interactions

An investigation published in the scientific journal Molecular Biology and Evolution determined the past of sirtuin, present in ancestors of marine vertebrates that existed more than 600 million years ago. Sirtuins are a family of proteins that play an important role...
Study reveals that crabs ensure their paternity

Study reveals that crabs ensure their paternity

by admin | Mar 15, 2023 | News, Bioinvasions and Endemism

Research determined that these species allocate up to 6% of their body weight in seminal material, which is considered very high for vertebrate animals. Paulina Quiroz, Graduate School for Science Faculty UACH. Regularly, and in various species in nature, it is the...
Work is reinforced to detect possible invasive species in Antarctica

Work is reinforced to detect possible invasive species in Antarctica

by Daniela Jofré | Feb 20, 2023 | News, Bioinvasions and Endemism

With the help of an underwater drone and the analysis of the hull of ships, a team of researchers seeks to early detect any organism that could disturb the fragile biodiversity of this territory. In 2020, a group of scientists made a complex discovery on the coast of...
Climate change could affect the immune system of fish in Patagonia and Antarctica

Climate change could affect the immune system of fish in Patagonia and Antarctica

by Lorenzo Palma | Nov 30, 2022 | News, Bioinvasions and Endemism, Task Force

An investigation, recently published in the scientific journal Fish & Shellfish Immunology, revealed that the increase in temperatures conditions the response of Harpagifer antarcticus and Harpagifer bispinis to diseases. One of the consequences of climate change...
Researchers confirm two King crab lineages in Chilean seas

Researchers confirm two King crab lineages in Chilean seas

by Lorenzo Palma | Nov 22, 2022 | News, Bioinvasions and Endemism

Despite the fact that the scientific literature indicated that it was a single species, a group of experts found new evidence. After various genetic analyses, the results of the work were published in the prestigious journal Ecology and Evolution. The King Crab is a...
Researchers try to unravel the evolutionary history of fundamental subantarctic fish

Researchers try to unravel the evolutionary history of fundamental subantarctic fish

by Daniela Jofré | Jun 10, 2022 | Bioinvasions and Endemism, News

Through various DNA analyses, the presence of a single species of Harpagifer was discovered, contrasting current records. However, there are three highly genetically differentiated groups of the family of these spiny animals present in Patagonia. In the sub Antarctic...
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