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In the blob, aging could be reversible!
In a new study, Audrey Dussutour, Angèle Rolland, Emilie Pasquier, Paul Malvezin, Cassandra Craig and Mathilde Dumas (CRCA-CBI) studied how the behavior of the slime mold Physarum Polycephalum, a unicellular organism, varies over the lifetime of individuals, and they showed that aging in the blob might be partially reversible.
Creation of a new team at the CRCA !
The CRCA is pleased to announce the creation of a new team by the winners of the CBI 2022 "Emergence" call : "BeeAntCE" co-directed by Mathieu Lihoreau and Antoine Wystrach.
Resource sharing is sufficient for the emergence of division of labour
Division of labour is seen in many social organisms. A study based on a theoretical model and published in the journal Nature Communications shows that resource sharing is sufficient for the emergence of the division of labour within a group of initially identical individuals.
Moving in a single file
Sheep in the field alternate graphing phases when they are static or moving slowly and phases when they are moving, at a higher speed, in most cases collectively in a single file. We investigate the rules that could explain these intermittent file movements.
Female fruit flies copy the acceptance, but not the rejection, of a mate
Female flies rely on the choice of male partners made by other female flies, but lose interest in abandoned males
Insulin modulates emotional behavior through a serotonin-dependent mechanism
This study published in "Molecular Psychiatry" demonstrates that serotonin neurons are sensitive to insulin.