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Title: Explaining intraspecific diversity in plant secondary metabolites in an ecological context
Contributor(s): Moore, Ben D (author); Andrew, Rose  (author)orcid ; Kulheim, Carsten (author); Foley, William J (author)
Publication Date: 2014
Open Access: Yes
DOI: 10.1111/nph.12526Open Access Link
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Abstract: Plant secondary metabolites (PSMs) are ubiquitous in plants and play many ecological roles. Each compound can vary in presence and/or quantity, and the composition of the mixture of chemicals can vary, such that chemodiversity can be partitioned within and among individuals. Plant ontogeny and environmental and genetic variation are recognized as sources of chemical variation, but recent advances in understanding the molecular basis of variation may allow the future deployment of isogenic mutants to test the specific adaptive function of variation in PSMs. An important consequence of high intraspecific variation is the capacity to evolve rapidly. It is becoming increasingly clear that trait variance linked to both macro- and micro-environmental variation can also evolve and may respond more strongly to selection than mean trait values. This research, which is in its infancy in plants, highlights what could be a missing piece of the picture of PSM evolution. PSM polymorphisms are probably maintained by multiple selective forces acting across many spatial and temporal scales, but convincing examples that recognize the diversity of plant population structures are rare. We describe how diversity can be inherently beneficial for plants and suggest fruitful avenues for future research to untangle the causes and consequences of intraspecific variation.
Publication Type: Journal Article
Source of Publication: New Phytologist, 201(3), p. 733-750
Publisher: Wiley-Blackwell Publishing Ltd
Place of Publication: United Kingdom
ISSN: 1469-8137
Field of Research (FOR): 060208 Terrestrial Ecology
060301 Animal Systematics and Taxonomy
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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