Developmental Plasticity and the Evolutionary Rescue of a Colonizing Mite

Evolution & Development, Journal Year: 2025, Volume and Issue: 27(1)

Published: Feb. 18, 2025

ABSTRACT Plasticity, especially in small newly founded populations, can expose genetic variation to selection during the evolutionary rescue of allowing individuals achieve a phenotype with which they survive. However, developmental plasticity also enable organisms accommodate perturbations, generating new phenotypic variation. We explored whether, at start colonization event, dynamics follow “selective” process fuels or whether are due “generative” process. investigated this using bulb mite Rhizoglyphus robini , expresses facultative, juvenile dispersal (deutonymph) under unfavorable conditions and shows alternative adult male phenotypes: competitive fighters benign scramblers that expressed mitigate food stress have higher levels heterozygosity than fighters. Mimicking dynamics, we small, medium large populations from deutonymphs on low high test if were earliest postcolonization within (i) smallest founder alleviate inbreeding (selective hypothesis), (ii) largest as direct consequence is highest competition (generative hypothesis). In line generative hypothesis both environments, tended show lowest growth experiment had ultimate population size. Our findings highlight necessity seek explanations how pathways likely influence patterns, starting resource limitation (stress) shapes adaptive responses colonization.

Language: Английский

---

Plasticity-Led (Not First) Evolution: A Matter of Causal Relevance

Biological Theory, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

Language: Английский

---

A development-centric perspective on pace-of-life syndromes

Evolution Letters, Journal Year: 2024, Volume and Issue: 9(2), P. 172 - 183

Published: Dec. 26, 2024

Organism responses to environmental change require coordinated changes across correlated traits, so-called syndromes. For example, animals differ in their "pace-of-life syndrome" (POLS); suites of life-history, behavioral and physiological traits. But standard "gene-centric" evolutionary theory cannot explain why POLSs exist because it assumes that the expression phenotypic traits is determined by genotype-specified reaction norms; ignores developmental processes can bias direction evolution so phenotypes no longer match genotype-by-environment interactions. Here we apply a development-centric perspective derive new POLS hypotheses resolve conflict current predictions fail which species/populations are resilient change.

Language: Английский

---

Assessment and the regulation of adaptive phenotypic plasticity

Development, Journal Year: 2024, Volume and Issue: 151(20)

Published: Oct. 15, 2024

ABSTRACT Organisms can react to environmental variation by altering their phenotype, and such phenotypic plasticity is often adaptive. This contributes the diversity of phenotypes across tree life. Generally, production these must be preceded assessment, where individual acquires information about its environment phenotype relative that environment, then determines if how respond with an alternative phenotype. The role assessment in adaptive is, therefore, crucial. In this Review, we (1) highlight need for explicitly considering plasticity; (2) present two different models facultative are related; (3) describe overarching framework evolves. doing so, articulate avenues future work suggest evolution key explaining when occurs. Moreover, emphasize understand versus maladaptive plasticity, which issue will become increasingly important a rapidly changing world.

Language: Английский

---

Diversity drives discovery in developmental plasticity

Journal of Experimental Biology, Journal Year: 2024, Volume and Issue: 227(Suppl_1)

Published: March 7, 2024

Understanding the effects of environment on animal physiology and biomechanics is at core Journal Experimental Biology. Environmental factors such as temperature, food availability, sound or presence predators can profoundly shape how an grows matures into adult. In this Special Issue, we take a close look developmental plasticity, which influence conditions experienced during early development animal's phenotype. her classic book 20 years ago, 'Developmental Plasticity Evolution', Mary Jane West-Eberhard proposed that 'alternative phenotypes' arise in organisms under different life play critical role moulding evolution diversification (West-Eberhard, 2003). The ensuing have seen increasing attention plasticity may contribute to evolution. Given this, coupled with explosion new information epigenetic mechanisms underlying growing number submissions JEB area, fact earlier special issue 'Phenotypic Plasticity' (Hoppeler et al., 2006) now 18 old, time seemed right for plasticity. current issue, capitalized diversity models study, from worms dung beetles lizards mice, assemble strong comparative approach topic. We also aimed bring together researchers considering diverse angles, molecular cellular biology whole physiology, ecology evolution, more fully understand integrate approaches research findings.Developmental defined by rearing environment, nutrition social conditions, provides developing animals use maturation process resultant adult behaviour physiology. Such context-dependent often considered be both widespread adaptive, although extent case remains unclear (Sánchez-Tójar 2020). It important recognize resource limitations exposure environmental contaminants result damaged phenotypes are clearly not adaptive. Metcalfe (2024) discusses third possibility – variation need always obvious changes, but alter trajectories ways nuanced consequences over longer periods time. Other articles Issue focus identifying serve cues adjustments, these, turn, transduced within animal. For example, transmission mediated parental (e.g. Mariette, 2024) indirectly via provisioning egg. Hotter temperatures, scarcity stress predators) parent provide anticipatory prepare them similar stressors later life. Food availability nutrition, particular, appears fundamental importance trajectory, point where ask whether it 'master' regulator development. involved nutritional critically area future research.Signals about phenotypic changes neuroendocrine, pathways, characterizing these proximate likewise constitutes active research. recognition played determining genomic DNA expressed has opened door deeper understanding enabled. Although much learned, methylation, histone acetylation non-coding RNAs microRNAs all been implicated adjustment growth differentiation. Indeed, possible involvement same mediating responses disparate raises questions there 'generalized' underpin aspects Potticary Duckworth, 2020).Understanding requires good model species something experimental biologists familiar Krogh principle (Krogh, 1929). From perspective, Caenorhabditis elegans particularly useful studies because fate every cell organism mapped (Jarriault Gally, 2024). At time, identification specific markers associated allows investigated across broad range and/or factors. reason, conservation context, example ecological evolutionary history wild populations.Developmental product natural selection, allowing respond adaptively altering their morphology, behaviour. However, processes generating differ ability survive reproduce given environment. was thesis, i.e. adaptive shaping visible including emergence novel trait variants, formed basis West-Eberhard's influential book. Twenty later, through environmentally induced arise, Uller al. opportunity revisit seminal publication tested biology.At least three themes emerge collection reviews Issue. First, still identify matter well transmitted Second, learn transduce signals changes. Finally, clear cause exact innovation remain elucidated. hope readers will find stimulating ideas physiologists those studying papers think mechanism helps phenotype responds More generally, significance increasingly urgent, taxa confronting change pace faster than ever before history.Neil Armin Moczek thanked helpful comments.

Language: Английский

---

The Importance of Regulatory and Coding Changes in Developmental Evolution

Elsevier eBooks, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Language: Английский

---