On the success of breeding

by Vivienne Baillie Gerritsen

We have all seen animals tend to their young ones. How a female keeps them close to her warm body, how a gentle paw will push a pup or a kitten towards a teat. By extension, animals who grow up together and become part of a pride, a flock or a clan will protect their members from the potential hostility of another pride, flock or clan. Empathy. Instinct. Altruism. Care. Bonding. These are qualities that belong to all animals. Humans included, of course. Naturally, all depends on the surroundings and the cues. As humans, we like to think that these qualities are part of us, part of our personality, and that we decide when to 'feel' them. To a certain extent we do. However, without the help of a protein known as oxytocin, there is growing evidence that we would lack these qualities altogether, which is a disturbing thought. The fascinating part of this tiny protein seems to be to ensure that the reproductive process - from mating to birth and postpartum care - is a success. Thus guaranteeing the survival of the species.

Protein Spotlight (ISSN 1424-4721) is a monthly review written by the Swiss-Prot team of the SIB Swiss Institute of Bioinformatics. Spotlight articles describe a specific protein or family of proteins on an informal tone. Follow us: Subscribe · Facebook · Linkedin

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LIFE, LOVE, DEATH & PROTEINS

La vie etc. cover

"La vie, l'amour, la mort & les protéines" (in French only) is a wonderful and unique collection of twenty comic strips created with cartoonist aloys lolo. Each comic describes one protein taken from the Protein Spotlight articles. The album was published in November 2023 by Antipodes, Switzerland. Order your copy online. English version online here.

Snapshot : cobratoxin

Nature has found many ways to ward off predators. Flowers give off scents. Lions use a roar. Some protozoans shoot out harpoon-shaped spikes on their surface and snakes spit venom. Venom is composed of a cocktail of substances, one of which is the poison which will either frighten off the predator – because of the pain which has been inflicted on it – or simply kill it by way of muscular paralysis for instance.

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