How some alien species become invasive. Some ecological, genetic and epigenetic basis for bioinvasions
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2012
- handle: 10670/1.xm309g
- 0378-1844
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Interciencia
Mots-clés
Multidisciplinarias (Ciencias Sociales) Purge Allelopathy Bioinvasions Biotic Regulation Epigenetic ChangesSujets proches
Invaders (Organisms) Foreign species (Introduced organisms) Invasive alien species Translocated organisms Foreign organisms (Introduced organisms) Naturalised organisms Alien species Non-indigenous organisms Non-native species Nonindigenous species Non-native organisms Nonnative species Naturalized organisms Introduced species Translocated species Invasive species Exotic organisms Nonindigenous organisms Invasive organisms Nonnative organisms Alien organisms Exotic species Non-indigenous speciesCiter ce document
Julio E. Pérez et al., « How some alien species become invasive. Some ecological, genetic and epigenetic basis for bioinvasions », Interciencia, ID : 10670/1.xm309g
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Résumé
"Genetic, epigenetic and environmental factors determine that some exotic species invade and become established, whereas most apparently either fails to become established or persist as small, isolated populations. To understand invasions we analyze different kinds of mechanisms that would allow the introduced organisms to become invasive in their new environments: enemy release, allelopathy, Darwin´s naturalization hypothesis, empty niches, propagule pressure, breakdown of biotic regulation, phenotypic plasticity, variation increase (by means of hybridization, genome and gene duplication, endosymbiosis, transposition, somatic mutations and mitotic recombinations, small regulatory RNAs), purge; adaptive mutations; and epigenetic changes. These processes are key to explain the success of some alien species in new environments"