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reine termite

How do termite queens and kings stay healthy for decades?

Reproductive and worker castes of termites differ greatly in their morphology and behavior but also in their fertility and longevity. Kings and queens of the highly social termite, Macrotermes natalensis, live for decades, with the queen laying thousands of eggs per day. Workers are sterile and only live a few weeks. In our HFSP project, we investigated the regulatory mechanisms involved in generating such diverse phenotypes. Our previous results indicate that well-regulated transcription allows reproductive castes to overcome simultaneously several well-known hallmarks of aging.

“EcoEvo” Department, “ESEAE” Team, Published!, Research news
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Paysage sahélien, région de Bambey, Sénégal, en septembre 2022

Persistence and success of the Sahel desertification narrative

When the Sahel is mentioned today, this semi-arid African region between the Sahara and Sudanian Africa is often associated with the notion of desertification. But what do the latest advances in environmental science tell us about this desertification? To what extent is the “narrative” of Sahel desertification based on scientific results, or on other mechanisms, of a more political nature?

“F2ZC” Team, “Sols_ZC” Department, CNRS
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lepidoptera

Organization of the 11th International Workshop on Molecular Biology and Genetics of the Lepidoptera

Emmanuelle d’Alençon (UMR DGIMI, Montpellier) and Emmanuelle Jacquin-Joly (UMR iEES-Paris CReA –EcoSens, Versailles) had the pleasure of organizing the 11th international workshop on the molecular biology and genomics of the Lepidoptera. For nearly 30 years, this workshop has brought together the international scientific community working on butterflies and moths every 3 years. Thirteen nationalities met this […]

“CReA” Team, “Ecosens” Department, Events, Past events
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Aude et Thomas

Vaisala supports iEES Paris in environmental research on insect pest

Since 2016, the Institute of Ecology and Environmental Sciences (iEES Paris) at the Sorbonne University in Paris has been using the Vaisala Continuous Monitoring System to record data in real time and control the temperature and humidity of chambers used for insect breeding and experimentation. The IEES develops innovative strategies and tools for the rehabilitation of damaged environments, the ecologically sustainable management of biological resources and ecosystem services, and adaptation to global change. 

“CReA” Team, “Ecosens” Department, Projects / Partnerships, Research news
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Juvénile de Zootoca vivipara

Lizards from warm and declining populations are born with extremely short telomeres

This study unraveled the impacts of accelerated aging pace as a corollary of climate-driven population decline. We found transgenerational accumulation of telomere shortening implying that offspring were already born “old”. We suggest that this process may exacerbate across generations, leading to an aging loop in the population. This model posits that telomere dynamics should represent a molecular biomarker of extirpation, and likely a central cause and promising solution for future biodiversity managing actions.

“EcoEvo” Department, “EPE” Team, “VPA” Team, CNRS, Published!, Research news, Tutors news
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Florence Débarre, CNRS bronze medal !

The bronze medal rewards initial research that has established a researcher as a specialist in their field. This distinction is a form of encouragement to pursue research that is already well underway and proving successful.

Florence Débarre, CNRS researcher at iEES Paris, is one of the 2022 CNRS talents rewarded for her research in evolutionary ecology and epidemiology and its implications for better understanding the evolution of the COVID19 virus.

“EERI” Team, Tutors news
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Ver plat - Diversibipalium_multilineatum#/media/Fichier:Figure_11_(PeerJ_4672)_-_Diversibipalium_multilineatum wikipedia

The invasion of hammerhead flatworms is not over yet

In the the last years, predatory land flatworms have been introduced in many locations because of the trade of exotic plants. In this article published in Diversity and Distributions, a collaboration between iEES Paris, the National Museum of Natural History and James Cook University aimed to model the global invasion risk of these species. It turns out that they have not colonised all regions at risk yet, which demonstrates a need for increased vigilance in these areas.

"DCFE" Department, “BioDIS” Team, Paris Est Créteil University, Published!, Research news
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