Life-history trade-offs and limitations associated with phenotypic adaptation under future ocean warming and elevated salinity

Jarrold, Michael D.; Chakravarti, Leela J.; Gibbin, Emma M.; Christen, Felix; N’Siala, Gloria Massamba; Blier, Pierre; Calosi, Piero

doi:10.1098/rstb.2018.0428

Cited by 20 publications

(18 citation statements)

References 90 publications

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“…These increased costs could also result in the reallocation of energy budgets (energetic trade-offs), which may affect future performance, including reproductive output (e.g. Trussell and Nicklin, 2002;Swezey et al, 2017;Jarrold et al, 2019). The findings showing adaptations to local variability confirm the need to preserve and expand long-term marine monitoring sites as these provide essential real-time data of a changing environment (Poloczanska et al, 2016) and enable mitigation measures to be put in place where needed.…”

Section: Identification Of Ion Channels and Intracellular Calcium Tramentioning

confidence: 70%

Molecular mechanisms of biomineralization in marine invertebrates

Clark

2020

Journal of Experimental Biology

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Much recent marine research has been directed towards understanding the effects of anthropogenic-induced environmental change on marine biodiversity, particularly for those animals with heavily calcified exoskeletons, such as corals, molluscs and urchins. This is because life in our oceans is becoming more challenging for these animals with changes in temperature, pH and salinity. In the future, it will be more energetically expensive to make marine skeletons and the increasingly corrosive conditions in seawater are expected to result in the dissolution of these external skeletons. However, initial predictions of wide-scale sensitivity are changing as we understand more about the mechanisms underpinning skeletal production (biomineralization). These studies demonstrate the complexity of calcification pathways and the cellular responses of animals to these altered conditions. Factors including parental conditioning, phenotypic plasticity and epigenetics can significantly impact the production of skeletons and thus future population success. This understanding is paralleled by an increase in our knowledge of the genes and proteins involved in biomineralization, particularly in some phyla, such as urchins, molluscs and corals. This Review will provide a broad overview of our current understanding of the factors affecting skeletal production in marine invertebrates. It will focus on the molecular mechanisms underpinning biomineralization and how knowledge of these processes affects experimental design and our ability to predict responses to climate change. Understanding marine biomineralization has many tangible benefits in our changing world, including improvements in conservation and aquaculture and exploitation of natural calcified structure design using biomimicry approaches that are aimed at producing novel biocomposites.

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Section: Identification Of Ion Channels and Intracellular Calcium Tramentioning

confidence: 70%

Molecular mechanisms of biomineralization in marine invertebrates

Clark

2020

Journal of Experimental Biology

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“…Finally, we cannot completely discard the idea that the ancestral reproductive mode could have been somewhat an “intermediate” one between gonochorism and hermaphroditism, given the documented wide variety of sexual phenotypes found in some species of these genus expressing these two extant forms of reproduction [ 76 , 77 ]. Further research is therefore needed to better understand the phylogenetic relationship among Ophryotrocha species as emerging models for the investigation of evolutionary global change biology [ 37 , 38 ].…”

Section: Discussionmentioning

confidence: 99%

“…It highlights the need to increase the taxonomic representation in future phylogenetic studies for a more accurate understanding of this phylum’s diversity. Finally, developing an in-depth genomic understanding of the Ophryotrocha genus will help further the investigation of both evolution of life-history traits and the emerging field of evolutionary global change biology [ 37 , 38 , 81 , 82 ].…”

Section: Discussionmentioning

confidence: 99%

Extensive gene rearrangements in the mitogenomes of congeneric annelid species and insights on the evolutionary history of the genus Ophryotrocha

et al. 2020

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Background Annelids are one the most speciose and ecologically diverse groups of metazoans. Although a significant effort has been recently invested in sequencing genomes of a wide array of metazoans, many orders and families within the phylum Annelida are still represented by a single specimen of a single species. The genus of interstitial annelids Ophryotrocha (Dorvilleidae, Errantia, Annelida) is among these neglected groups, despite its extensive use as model organism in numerous studies on the evolution of life history, physiological and ecological traits. To compensate for the paucity of genomic information in this genus, we here obtained novel complete mitochondrial genomes of six Ophryotrocha species using next generation sequencing. In addition, we investigated the evolution of the reproductive mode in the Ophryotrocha genus using a phylogeny based on two mitochondrial markers (COXI and 16S rDNA) and one nuclear fragment (Histone H3). Results Surprisingly, gene order was not conserved among the six Ophryotrocha species investigated, and varied greatly as compared to those found in other annelid species within the class Errantia. The mitogenome phylogeny for the six Ophryotrocha species displayed a separation of gonochoric and hermaphroditic species. However, this separation was not observed in the phylogeny based on the COX1, 16S rDNA, and H3 genes. Parsimony and Bayesian ancestral trait reconstruction indicated that gonochorism was the most parsimonious ancestral reproductive mode in Ophryotrocha spp. Conclusions Our results highlight the remarkably high level of gene order variation among congeneric species, even in annelids. This encourages the need for additional mitogenome sequencing of annelid taxa in order to properly understand its mtDNA evolution, high biodiversity and phylogenetic relationships.

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“…In addition, both Fuxjäger et al [20] and Emborski & Mikheyev [21] demonstrate that phenotypic changes can be sex-specific. When the focus is at the individual level, trade-offs between traits can occur, which could reduce adaptive potential with transgenerational exposure, as seen in the polychaete (Ophryotrocha labronica) [23]. Furthermore, these studies find evidence that trade-offs can be amplified when there are multiple stressors, which is likely to be a common scenario for most species in the future.…”

Section: The Space-time Continuum: Plasticity Across Multiple Dimensionsmentioning

confidence: 93%

Beyond buying time: the role of plasticity in phenotypic adaptation to rapid environmental change

Fox

Donelson

Schunter

et al. 2019

Phil. Trans. R. Soc. B

450

380

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How populations and species respond to modified environmental conditions is critical to their persistence both now and into the future, particularly given the increasing pace of environmental change. The process of adaptation to novel environmental conditions can occur via two mechanisms: (1) the expression of phenotypic plasticity (the ability of one genotype to express varying phenotypes when exposed to different environmental conditions), and (2) evolution via selection for particular phenotypes, resulting in the modification of genetic variation in the population. Plasticity, because it acts at the level of the individual, is often hailed as a rapid-response mechanism that will enable organisms to adapt and survive in our rapidly changing world. But plasticity can also retard adaptation by shifting the distribution of phenotypes in the population, shielding it from natural selection. In addition to which, not all plastic responses are adaptive—now well-documented in cases of ecological traps. In this theme issue, we aim to present a considered view of plasticity and the role it could play in facilitating or hindering adaption to environmental change. This introduction provides a re-examination of our current understanding of the role of phenotypic plasticity in adaptation and sets the theme issue's contributions in their broader context. Four key themes emerge: the need to measure plasticity across both space and time; the importance of the past in predicting the future; the importance of the link between plasticity and sexual selection; and the need to understand more about the nature of selection on plasticity itself. We conclude by advocating the need for cross-disciplinary collaborations to settle the question of whether plasticity will promote or retard species' rates of adaptation to ever-more stressful environmental conditions. This article is part of the theme issue ‘The role of plasticity in phenotypic adaptation to rapid environmental change’.

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Life-history trade-offs and limitations associated with phenotypic adaptation under future ocean warming and elevated salinity

Cited by 20 publications

References 90 publications

Molecular mechanisms of biomineralization in marine invertebrates

Molecular mechanisms of biomineralization in marine invertebrates

Extensive gene rearrangements in the mitogenomes of congeneric annelid species and insights on the evolutionary history of the genus Ophryotrocha

Beyond buying time: the role of plasticity in phenotypic adaptation to rapid environmental change

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