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24 novembre 2017

The genome of Leishmania reveals how this parasite adapts to environmental changes [Phys]

Leishmaniasis is an important human and veterinary disease caused by Leishmania parasites that affect 12 million people in over 98 endemic countries. The disease is now emerging in Europe due to climate change and massive population displacement. The parasite is known to rapidly adapt to novel environments with important consequences for disease outcome. It has therefore been recognized as an emerging public health threat for the EU.

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24 novembre 2017

Camponotini ant species have their own distinct microbiomes [Phys]

Camponotini ant species have their own distinct microbiomes and the bacteria may also vary by developmental stage, according to a study published November 22, 2017 in the open-access journal PLOS ONE by Manuela Oliveira Ramalho from the Universidade Estadual Paulista "Júlio de Mesquita Filho", Brazil, and colleagues.

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24 novembre 2017

Farmland bird decline prompts renewed calls for agriculture overhaul [The Guardian]

Official figures show a 9% decline between 2010-15 in birds living and breeding on the UK’s farmland.

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23 novembre 2017

Quels nouveaux modèles agricoles pour faire face aux changements globaux ? [The Conversation]

Pendant des siècles, l’agriculture a été considérée comme une simple activité dédiée à la production de nourriture pour les humains (directement et via l’élevage) et à celle de fibres pour l’industrie textile.
Une mutation s’est opérée au cours des dernières décennies : le système agraire se retrouve au centre de nouvelles pressions et attentes sociales.

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22 novembre 2017

Refining pesticides to kill pests, not bees [Phys]

Pyrethroid pesticides are effective. Sometimes too effective.
Researchers at Michigan State University’s entomology department have unlocked a key to maintain the insecticide’s effectiveness in eliminating pests without killing beneficial bugs, such as bees. The study, featured in the current issue of Proceedings of the National Academy of Sciences, shows that molecular tweaks can make the difference.

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