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Ecología Austral
Article . 2011
Data sources: DOAJ
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Article . 2011
License: CC BY NC SA
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Metabolismo secundario de plantas leñosas de zonas áridas: mecanismos de producción, funciones y posibilidades de aprovechamiento

Authors: Vilela, Alejandra E.; González-Paleo, Luciana; Ravetta, Damián A.;

Metabolismo secundario de plantas leñosas de zonas áridas: mecanismos de producción, funciones y posibilidades de aprovechamiento

Abstract

Este trabajo revisa la información disponible sobre el metabolismo secundario de plantasde zonas áridas. Se describen los grupos principales de metabolitos secundarios, su composiciónquímica, las familias y especies que los producen y sus usos. Se detalla la función de los metabolitossecundarios como mecanismo de defensa, de atracción de polinizadores, de inhibidores decrecimiento, de protección contra la radiación ultravioleta y en la economía del agua, en los nivelesde planta y de comunidad. Se discuten las distintas teorías que explican el origen del metabolismocarbonado, entre ellas la Hipótesis de Balance de Crecimiento y Diferenciación y la Hipótesis delBalance Carbono-Nutrientes. En este trabajo también se presentan la producción y la persistenciade los metabolitos secundarios en el ecosistema, así como los principales mecanismos de llegada eincorporación al suelo y de descomposición. Por último, se describen los usos industriales, actualeso potenciales, de los metabolitos secundarios, con énfasis en aquellas sustancias producidas porplantas nativas de zonas áridas y comercializadas por Argentina.

This paper reviews available information on secondary metabolites (SM) of plants from arid environments. We describe SM´s classification, chemical composition, and prospective plant families for the production of each group of compounds, namely alkaloids, terpenes, latex, rubber and waxes. The role of SM as chemical defenses, allelochemicals and signal molecules to attract pollinators, as well as their contribution to UV-protection and in water economy, at plant and community levels are discussed. Theories explaining the origin of SM (Growth-Differentiation Balance and Carbon-Nutrient Balance Hypotheses) are depicted. Release mechanisms of MS in the environment, decomposition and incorporation of these compounds into the soil are described. In the last part, industrial uses of SM, present or potential, are summarized. This paper is focus on SM produced by plants native to arid and semiarid environments.

Fil: Vilela, Alejandra Elena. Museo Paleontológico Egidio Feruglio; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: González Paleo, Luciana. Museo Paleontológico Egidio Feruglio; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: Ravetta, Damián Andrés. Museo Paleontológico Egidio Feruglio; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Country
Argentina
Keywords

gomas, Ecology, WAXES, FENOLES, RUBBER, caucho, ceras, GUMS, Environmental sciences, TERPENOS, terpenos, GOMAS, https://purl.org/becyt/ford/1.6, TERPENES, fenoles, GE1-350, CAUCHO, https://purl.org/becyt/ford/1, PHENOLS, QH540-549.5

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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