Hemolymph transfusions transfer heritable learned novel odor preferences to naïve larvae ofBicyclus anynanabutterflies DOI Creative Commons

V. Gowri,

Antónia Monteiro

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 21, 2023

Abstract The mechanisms whereby environmental experiences of parents are transmitted to their offspring impact behavior and fitness poorly understood. Previously, we showed that naïve Bicyclus anynana butterfly larvae, whose fed on a normal plant feed but coated with novel odor, inherited learned preference towards which had initially elicited avoidance in the parents. Here, performed simple hemolymph transfusions from odor-fed control-fed larvae larval recipients. We found injected donors stopped avoiding preferred odor more, compared control hemolymph. These results indicate factors hemolymph, potentially molecule itself, play an important role learning transmission across generations. Furthermore, this mechanism inheritance, mediated by bypasses peripheral odor-sensing taking place antennae, mouthparts, or legs, may mediate host switching diversification Lepidoptera more broadly insects.

Language: Английский

Epigenetic variation in animal populations: Sources, extent, phenotypic implications, and ecological and evolutionary relevance DOI
Günter Vogt

Journal of Biosciences, Journal Year: 2021, Volume and Issue: 46(1)

Published: March 4, 2021

Language: Английский

Citations

42
Cross‐protection interactions in insect pests: Implications for pest management in a changing climate DOI Creative Commons
Erika Bueno, Casey L. McIlhenny, Yolanda H. Chen

et al.

Pest Management Science, Journal Year: 2022, Volume and Issue: 79(1), P. 9 - 20

Published: Sept. 21, 2022

Agricultural insect pests display an exceptional ability to adapt quickly natural and anthropogenic stressors. Emerging evidence suggests that frequent varied sources of stress play important role in driving protective physiological responses; therefore, intensively managed agroecosystems combined with climatic shifts might be ideal crucible for adaptation. Cross-protection, where responses one stressor offers protection against another type stressor, has been well documented many species, yet the molecular epigenetic underpinnings drive overlapping remain unclear. In this perspective, we discuss cross-protection mechanisms provide argument its potential increasing tolerance a wide range stressors agricultural pests. By drawing from existing literature on single multiple studies, outline processes facilitate cross-protective interactions, including modifications, which are understudied responses. Finally, implications pest management, focusing consequences between insecticides elevated temperatures associated climate change. Given ways agroecosystems, suggest examining can understanding adaptability © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd behalf Society Chemical Industry.

Language: Английский

Citations

24
Evolution and molecular mechanisms of wing plasticity in aphids DOI Creative Commons
Kevin D. Deem, Lauren E Gregory, Xiaomi Liu

et al.

Current Opinion in Insect Science, Journal Year: 2023, Volume and Issue: 61, P. 101142 - 101142

Published: Nov. 17, 2023

Language: Английский

Citations

14
Epigenetic processes in insect adaptation to environmental stress DOI
Ayushi Gupta, Suresh Nair

Current Opinion in Insect Science, Journal Year: 2024, Volume and Issue: 67, P. 101294 - 101294

Published: Nov. 7, 2024

Language: Английский

Citations

5
(Epi)Genetic Mechanisms Underlying the Evolutionary Success of Eusocial Insects DOI Creative Commons
Kayli R. Sieber,

Taylor Dorman,

Nicholas Newell

et al.

Insects, Journal Year: 2021, Volume and Issue: 12(6), P. 498 - 498

Published: May 27, 2021

Eusocial insects, such as bees, ants, and wasps of the Hymenoptera termites Blattodea, are able to generate remarkable diversity in morphology behavior despite being genetically uniform within a colony. Most eusocial insect species display caste structures which reproductive ability is possessed by single or few queens while all other colony members act workers. However, some species, structure somewhat plastic, individuals may switch from one behavioral phenotype another response certain environmental cues. As different castes normally share common genetic background, it believed that much this observed within-colony results transcriptional differences between individuals. This suggests epigenetic mechanisms, featured modified gene expression without changing genes themselves, play an important role insects. Indeed, mechanisms DNA methylation, histone modifications non-coding RNAs, have been shown influence insects multiple aspects, along with typical regulation. review summarizes most recent findings regarding their diverse roles

Language: Английский

Citations

30
Untangling the gordian knot: The intertwining interactions between developmental hormone signaling and epigenetic mechanisms in insects DOI
Bart Geens,

Stijn Goossens,

Jia Li

et al.

Molecular and Cellular Endocrinology, Journal Year: 2024, Volume and Issue: 585, P. 112178 - 112178

Published: Feb. 9, 2024

Language: Английский

Citations

5
Agricultural insect pests as models for studying stress‐induced evolutionary processes DOI
Joe C. Gunn, Blair M. Christensen, Erika Bueno

et al.

Insect Molecular Biology, Journal Year: 2024, Volume and Issue: 33(5), P. 432 - 443

Published: April 24, 2024

Agricultural insect pests (AIPs) are widely successful in adapting to natural and anthropogenic stressors, repeatedly overcoming population bottlenecks acquiring resistance intensive management practices. Although they have been largely overlooked evolutionary studies, AIPs ideal systems for understanding rapid adaptation under novel environmental conditions. Researchers identified several genomic mechanisms that likely contribute adaptive stress responses, including positive selection on de novo mutations, polygenic standing allelic variation phenotypic plasticity (e.g., hormesis). However, new theory suggests itself may induce epigenetic modifications, which confer heritable physiological changes (i.e., stress-resistant phenotypes). In this perspective, we discuss how from agricultural generates the genetic modifications associated with AIPs. We summarise existing evidence stress-induced processes context of insecticide resistance. Ultimately, propose studying offers opportunities resources advancing our knowledge evolution.

Language: Английский

Citations

5
The effects of alumina and polystyrene nanoparticles on global DNA methylation, antimicrobial peptides and intergenerational inheritance of Galleria mellonella DOI
Zülbiye Demirtürk, Fevzi Uçkan

Drug and Chemical Toxicology, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 14

Published: March 31, 2025

The epigenetic and immunological effects of nanoparticles (NPs), which have started to be described as nano-pollutants today, are great interest in living organisms. Particularly alumina (Al) polystyrene (PS) among the most produced NPs. Galleria mellonella larvae, an ideal model for multi-generational these NPs on global DNA methylation immune system, were used experiments. Al-NPs bought, PS-NPs by single emulsion solvent evaporation method. Al administered larvae at different concentrations changing only water content diet. Global levels first second generations determined HPLC. expression β-actin, transferrin, galiomycin, p38 MAPK genes constitute antimicrobial peptides, one humoral responses, RT-qPCR two generations. data obtained revealed that increased methylation, partially suppressed responses. Furthermore, changes genomic immune-related gene induced generation found inherited next generation. Considering importance multigenerational our study results contribute literature reveal such studies.

Language: Английский

Citations

0
Heat inactivated mycobacteria, alpha‐Gal and zebrafish: Insights gained from experiences with two promising trained immunity inductors and a validated animal model DOI Creative Commons
Ramón A. Juste, Elisa Ferreras‐Colino, José de la Fuente

et al.

Immunology, Journal Year: 2022, Volume and Issue: 167(2), P. 139 - 153

Published: June 26, 2022

Abstract Trained immunity (TRAIM) may be defined as a form of memory where innate immune cells such monocytes, macrophages, dendritic and natural killer (NK) undergo an epigenetic reprogramming that enhances their primary defensive capabilities. Cross‐pathogen protective TRAIM can triggered in different hosts by exposure to live microbes or microbe‐derived products heat‐inactivated Mycobacterium bovis with the glycan α‐Gal elicit responses against several pathogens. We review paradigm using two models representing distinct scales sensitization: whole bacterial cell one its building blocks, polysaccharides glycans. Observations point out macrophage lytic capabilities cytokine regulation key components non‐specific infections. The study response deserves attention better characterize evolution host–pathogen cooperation both for identifying aetiology some diseases finding new therapeutic strategies. In this field, zebrafish provides convenient complete biological system could help deepen knowledge TRAIM‐mediated mechanisms pathogen–host interactions.

Language: Английский

Citations

16
Thermal adaptation in Lepidoptera under shifting environments: mechanisms, patterns, and consequences DOI Creative Commons
Reyard Mutamiswa, Abongile Mbande, Casper Nyamukondiwa

et al.

Phytoparasitica, Journal Year: 2023, Volume and Issue: 51(5), P. 929 - 955

Published: Aug. 3, 2023

Abstract Thermal adaptation is a key facet safeguarding organismal function among ectothermic organisms. In this era of rapidly changing environments, understanding the diverse mechanisms mediating climate stress resistance have become priority given contrasting effects on organisms, vis declines in keystone species and an increase invasive pest species. Here, we review patterns thermal shifting climates, specifically focusing Lepidoptera, economically significant insect order owing to its importance agriculture conservation. Lepidoptera are highly distinct, comprising unique morphology, ontogenetic development, habitat types diets. Similarly, diversity adaptive responses ensuring survival under niches equally remarkable. We therefore outline underpinning success mainly important families which quite attracted research attention that order. conclude by highlighting future studies for better lepidopteran change. Understanding such will assist accurate predictions management help conservation efforts Lepidoptera.

Language: Английский

Citations

9