In a mutualistic relationship between an ant species and a carnivorous plant, the ants contribute to both prey capture and prey digestion of their host-plant and provide significant amounts of nutrients derived from their wastes. This offers the plant distinct growth advantages, according to research published May 9 in the open access journal PLoS ONE.
The carnivorous plant Nepenthes bicalcarata grows in the nutrient-poor peatswamp forests of Borneo but bears insect-trapping pitchers with poor retentive and digestive abilities. However it has a symbiotic relationship with the ant species Camponotus schmitzi, shown in the current study to act as the "gizzard" of its carnivorous host by recycling nitrogen from insects it preys upon in the trap.Vincent Bazile and researchers from University Montpellier 2, CNRS, INRA (UMR AMAP in France) and from the Universities of Brunei and Royal Roads (Canada), also found that plants inhabited by the ants produced more, larger leaves, and that the ants provided a striking increase in the nitrogen available to the plants. On the other hand, plants without ants were determined to be nutrient stressed.
Citation: Bazile V, Moran JA, Le Mogue´dec G, Marshall DJ, Gaume L (2012) A Carnivorous Plant Fed by Its Ant Symbiont: A Unique Multi-Faceted Nutritional Mutualism. PLoS ONE 7(5): e36179. doi:10.1371/journal.pone.0036179
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Financial Disclosure: The work was supported by Centre National de la Recherche Scientifique (CNRS) through the PEPS/INEE-2010 grant devoted to the ''CarniBiop'' project supervised by LG. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Competing Interest: The authors have declared that no competing interests exist.
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Disclaimer: This press release refers to upcoming articles in PLoS ONE. The releases have been provided by the article authors and/or journal staff. Any opinions expressed in these are the personal views of the contributors, and do not necessarily represent the views or policies of PLoS. PLoS expressly disclaims any and all warranties and liability in connection with the information found in the release and article and your use of such information.
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