Genetic perspectives on the historical introduction of the European rabbit (Oryctolagus cuniculus) to Australia

Iannella, Amy; Peacock, David; Cassey, Phillip; Schwensow, Nina

doi:10.1007/s10530-018-1849-2

Cited by 12 publications

(12 citation statements)

References 32 publications

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“…For example, many feral taxa (e.g., weedy rice, dogs, and chickens) appear to exhibit both exo-and endoferal origins across their current ranges. These interpopulation differences result in both genetic and phenotypic variation (e.g., [25,30,46,47]), which would likely be affected by further introgression (e.g., admixture between genetically divergent feral populations; e.g., [29]). Admixture from domestic sources can also convert wild populations into exoferal ones [20] and accelerate their responses to new selection pressures [48].…”

Section: Mechanisms Of Feralizationmentioning

confidence: 99%

“…Weed rice populations of endoferal origin are present on both continents [98] . Endoferality is common in animals, including serial introductions of rabbits to Australia that have generated genetically distinct endoferal subpopulations [47] Divergent population (e.g., breed or crop) Exo–endoferal (intercrop) In Bhutan, weedy rice is a hybrid of two crop varieties ( O.s. japonica × O.s.…”

Section: Pathways To Feralizationmentioning

confidence: 99%

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Getting Back to Nature: Feralization in Animals and Plants

Gering

Incorvaia

Henriksen

et al. 2019

Trends in Ecology & Evolution

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Formerly domesticated organisms and artificially selected genes often escape controlled cultivation, but their subsequent evolution is not well studied. In this review, we examine plant and animal feralization through an evolutionary lens, including how natural selection, artificial selection, and gene flow shape feral genomes, traits, and fitness. Available evidence shows that feralization is not a mere reversal of domestication. Instead, it is shaped by the varied and complex histories of feral populations, and by novel selection pressures. To stimulate further insight we outline several future directions. These include testing how 'domestication genes' act in wild settings, studying the brains and behaviors of feral animals, and comparative analyses of feral populations and taxa. This work offers feasible and exciting research opportunities with both theoretical and practical applications. Domestication Is Not a Dead EndDomesticated animals and plants comprise a rapidly growing proportion of life on our planet [1]. The vast ranges and abundance of these organisms show that domestication (see Glossary) can have remarkable evolutionary payoffs. At the same time, it can induce both plastic and genetic modifications that limit the capacity of an organism to thrive in nature (e.g., [2][3][4]). Despite this maladaptation, feralization of animals and plants has proven, sometimes to humans' great frustration, that domestication is not always a one-way process. The flow of domesticated organisms and their genes into noncaptive settings has important conservation implications; it also presents unique opportunities to characterize general and novel evolutionary processes of Anthropocene environments [5]. With these applications in mind, our review summarizes current knowledge regarding the process of feralization and provides a roadmap for further investigation into this tractable, exciting, and understudied research area.Feralization merits special consideration because its subjects are uniquely distinguished from other animals and plants. Biologists have long appreciated how domestication shapes wild organisms via both deliberate artificial selection by humans and unintended effects of anthropogenic propagation [6]. In recent decades, these effects have been elucidated by intensive studies bridging disparate fields (e.g., anthropology, plant and animal science, and organismal, behavioral, and developmental biology) [7][8][9]. By contrast, there has been relatively little research into the process of feralization. Here, progress is also hindered by long-held speculations and misconceptions. These include: (i) the idea that formerly domesticated populations are incapable of rapid adaptation, due to their genetic homogeneity or recent establishment [10]; (ii) the idea that captive propagation invariably reduces fitness outside of domesticated settings due to evolutionary tradeoffs and relaxed natural selection (e.g., [2,11]); and (iii) a belief that feralization predictably results in atavism (e.g., [12]). These ideas hav...

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Section: Mechanisms Of Feralizationmentioning

confidence: 99%

Section: Pathways To Feralizationmentioning

confidence: 99%

Getting Back to Nature: Feralization in Animals and Plants

Gering

Incorvaia

Henriksen

et al. 2019

Trends in Ecology & Evolution

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“…First, in the current study we have improved our demultiplexing results by using sabre, yielding to a higher number of retained sequences and a higher number of SNPs in more individuals, and subsequently more statistical power. Second, rabbit populations across Australia show considerable population structure and several highly localized, strongly differential lineages (Iannella, Peacock, Cassey, & Schwensow, 2019). Using a double‐digest GBS (Poland, Brown, Sorrells, & Jannink, 2012), Iannella et al.…”

Section: Discussionmentioning

confidence: 99%

“…Using a double‐digest GBS (Poland, Brown, Sorrells, & Jannink, 2012), Iannella et al. (2019) found a higher overlap in the genotyped SNPs across populations, suggesting that the use of two restriction enzymes is advantageous when comparing species with strong population differentiation across a larger geographical scale. Nevertheless, we found ten significant SNPs in common between both studies.…”

Section: Discussionmentioning

confidence: 99%

“…Second, rabbit populations across Australia show considerable population structure and several highly localized, strongly differential lineages (Iannella, Peacock, Cassey, & Schwensow, 2019). Using a double-digest GBS (Poland, Brown, Sorrells, & Jannink, 2012), Iannella et al (2019) found a higher overlap in the genotyped SNPs across populations, suggesting that the use of two restriction enzymes is advantageous when comparing species with strong population differentiation across a larger geographical scale. Nevertheless, we found ten significant SNPs in common between both studies.…”

Section: F I G U R Ementioning

confidence: 99%

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