Genomic reaction norms inform predictions of plastic and adaptive responses to climate change

RA Oomen, JA Hutchings - Journal of Animal Ecology, 2022 - Wiley Online Library
Genomic reaction norms represent the range of gene expression phenotypes (usually
mRNA transcript levels) expressed by a genotype along an environmental gradient …

A histone demethylase links the loss of plasticity to nongenetic inheritance and morphological change

NA Levis, EJ Ragsdale - Nature Communications, 2023 - nature.com
Plasticity is a widespread feature of development, enabling phenotypic change based on the
environment. Although the evolutionary loss of plasticity has been linked both theoretically …

A Mediator subunit imparts robustness to a polyphenism decision

S Casasa, E Katsougia… - Proceedings of the …, 2023 - National Acad Sciences
Polyphenism is a type of developmental plasticity that translates continuous environmental
variability into discontinuous phenotypes. Such discontinuity likely requires a switch …

Linking molecular mechanisms and evolutionary consequences of resource polyphenism

NA Levis, EJ Ragsdale - Frontiers in Integrative Neuroscience, 2022 - frontiersin.org
Resource polyphenism—the occurrence of environmentally induced, discrete, and
intraspecific morphs showing differential niche use—is taxonomically widespread and …

Thousands of Pristionchus pacificus orphan genes were integrated into developmental networks that respond to diverse environmental microbiota

M Athanasouli, N Akduman, W Röseler, P Theam… - PLoS …, 2023 - journals.plos.org
Adaptation of organisms to environmental change may be facilitated by the creation of new
genes. New genes without homologs in other lineages are known as taxonomically …

Single worm transcriptomics identifies a developmental core network of oscillating genes with deep conservation across nematodes

S Sun, C Rödelsperger, RJ Sommer - Genome research, 2021 - genome.cshlp.org
High-resolution spatial and temporal maps of gene expression have facilitated a
comprehensive understanding of animal development and evolution. In nematodes, the …

Analysis of repeat elements in the Pristionchus pacificus genome reveals an ancient invasion by horizontally transferred transposons

M Athanasouli, C Rödelsperger - BMC genomics, 2022 - Springer
Background Repetitive sequences and mobile elements make up considerable fractions of
individual genomes. While transposition events can be detrimental for organismal fitness …

[PDF][PDF] Physiological mechanisms and the evolution of plasticity

CC Ledón-Rettig, EJ Ragsdale - Phenotypic plasticity & evolution, 2021 - library.oapen.org
Phenotypic plasticity is fundamentally a physiological phenomenon. Whether the phenotypic
outcome of plasticity is the preservation of form ('homeostasis'), fleeting change, more …

[HTML][HTML] Chitin contributes to the formation of a feeding structure in a predatory nematode

S Sun, H Witte, RJ Sommer - Current Biology, 2023 - cell.com
Some nematode predators and parasites form teeth-like denticles that are histologically
different from vertebrate teeth, but their biochemical composition remains elusive. Here, we …

A new hope: a hermaphroditic nematode enables analysis of a recent whole genome duplication event

SS Wighard, M Athanasouli, H Witte… - Genome Biology and …, 2022 - academic.oup.com
Whole genome duplication (WGD) is often considered a major driver of evolution that leads
to phenotypic novelties. However, the importance of WGD for evolution is still controversial …