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Articles avec #materiels et methodes
The TRY Data Portal provides the opportunity to explore the coverage of plant trait data in the TRY database, to request and to contribute data, and it provides data contributors and PIs of data requests the opportunity to manage their contributions and requests.
The ERICA Tool is a software system that has a structure based upon the tiered ERICA Integrated Approach to assessing the radiological risk to terrestrial, freshwater and marine biota. The Tool guides the user through the assessment process, recording information and decisions and allowing the necessary calculations to be performed to estimate risks to selected animals and plants.
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A second edition of the classic handbook has become a standard in the Drosophila field. This edition is expanded to include topics in which classical genetic strategies have been augmented with new molecular tools. Included are such new techniques as homologous recombination, RNAi, new mapping techniques, and new mosaic marking techniques.
The Drosophila Genetic Reference Panel (DGRP) is a population consisting of more than 200 inbred lines derived from the Raleigh, USA population. The DGRP is a living library of common polymorphisms affecting complex traits, and a community resource for whole genome association mapping of quantitative trait loci.
In this post, Matthias Wieczorek informs about their recent paper on the use of an aquatic-terrestrial model ecosystem to study cross-ecosystem effects of contaminants.
The scientific background
Emerging aquatic insects provide an important food source for predatory species in riparian food webs. If these aquatic insects are exposed to contaminants during their aquatic life stage, they may transport contaminants to riparian ecosystems during their emergence. Therefore, riparian food webs may be at risk from either an aquatic-terrestrial transfer of contaminants or from contaminant-driven reductions of emerging aquatic biomass. The objective of the present study was to develop an aquatic-terrestrial model ecosystem enabling the possibility to investigate such cross-ecosystem effects on a mesocosm scale under controlled conditions.
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The Laboratory for Experimental Ecology and Evolution (LE3) (McGill University, Canada) is a unique integrated facility that will deliver powerful new systems to address fundamental issues of great scientific, social and economic concern. The technological core of the proposal is the application of highly automated robotic systems to experiments in ecology and evolution. The robotic systems of LE3 will allow us to handle far more lines and to transfer them more rapidly and precisely than has been possible before, making it practicable to emulate long-term, large-scale phenomena. LE3 is planned as an integrated facility used by several existing research groups. It is not merely the expansion of individual labs, but a genuinely cooperative venture that is specifically intended to create and support new research collaborations. The experiments that we propose often involve a constellation of skills and techniques, ranging from controlled environment design to low-metal technology, and from foodweb analysis to genomics. Most are beyond the capacity of any single laboratory, and can be tackled only within a facility like LE3. The research that LE3 will make possible not only builds on the strength of existing programs, but will enable them to be combined and extended so that qualitatively different kinds of experiment become practicable.
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