Journal
ARCHIVES OF AGRONOMY AND SOIL SCIENCE
Volume 59, Issue 4, Pages 549-558Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03650340.2012.658378
Keywords
stress resistance; stress avoidance; investment trade-offs
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Funding
- University of Queensland (Australia)
- Natural Sciences and Engineering Research Council (Canada)
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This analysis identifies and attempts to resolve the paradox of combining plant hyperaccumulators and arbuscular mycorrhizal fungi (AMF) for the purpose of post-industrial bioremediation due to the divergence of their respective ecological and evolutionary stress-tolerance behaviors. The identification of a dilemma of resource allocation associated with plant resources consumed in intrinsic (e.g. metabolic) vs. extrinsic (e.g. symbiotic) stress-tolerance mechanisms could provide a suitable evolutionary reasoning for the apparent dichotomy existing between the hyperaccumulators and AMFplant life-history strategies. Ultimately, it is considered that any efforts toward integrating such biotechnology innovations into bioremediation strategies (e.g. mycorrhizalmetal-hyperaccumulators) should first explicitly consider their inherent environmental and (or) evolutionary contexts to avoid misleading and possibly even unproductive outcomes prior to incorporating these attributes as potential technological solutions.
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