Researchers from the French Inra, UPMC and ENS have shown, in the model plant Arabidopsis thaliana, that roots can be transformed into shoots, and vice versa, in a conversion phenomenon involving stem cells. Their findings, published in the journal journal Development dated March 28, 2017, could lead to novel methods for the vegetative multiplication of plant cultivars.
An international team of ecologists and social scientists, including researchers from IRD, Cirad and INRA, has shown in a new study published on 3 March 2017 in the journal Science that tree species domesticated and distributed throughout the Amazon basin by indigenous peoples before 1492 continue to play an important role in modern-day forests.
As part of the DEPHY-Ferme network, a major component of the French government’s EcoPhyto plan to reduce and improve plant protection product use, researchers from INRA working with the company Agrosolutions examined the relationship between pesticide use and cropping system performances1 in terms of productivity and profitability.
The mystery that is the origin of flowering plants has been partially solved thanks to a team from the Laboratoire de Physiologie Cellulaire et Végétale, in collaboration with the Reproduction et Développement des Plantes laboratory and Kew Gardens (UK). Their discovery, published in the journal New Phytologist on February 24, 2017, sheds light on a question that much intrigued Darwin: the appearance of a structure as complex as the flower over the course of evolution.
A common strategy to create high-yielding plants is hybrid breeding – crossing two different inbred lines to obtain characteristics superior to each parent. However, getting the inbred lines in the first place can be a hassle. Inbred lines consist of genetically uniform individuals and are created through numerous generations of self-crossing. In maize, the use of so-called “haploid inducers” provides a short cut to this cumbersome procedure, allowing to produce inbred lines in just one generation. A study by Laurine Gilles and colleagues, published today in The EMBO Journal, sheds light on the genetics behind haploid induction.