ArticleProceedings. Biological sciences2013
The extraembryonic serosa protects the insect egg against desiccation.
Article in Proceedings. Biological sciences, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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43 citing papers in PubMed, 113 citations in OpenAlex.
- Defense of locust eggs against Metarhizium anisopliae invasion.Pest management science · 2026Article
- An Integrated Morphometric-Molecular Framework for Characterization of Developmental Stages in the Safflower AphidInternational journal of molecular sciences · 2026Article
- Progressive Cellularization of Blastoderm and Extraembryonic Tissue Formation in the Ant Camponotus floridanus.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2026Article
- High-Humidity Incubation Improves Post-Microinjection Viability and Larval Performance of CRISPR/Cas9-EditedInsects · 2025Article
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- The antioxidant system was unexpectedly strongly suppressed in apis mellifera worker bees emerged from larvae reared on combs adulterated with paraffin or stearin.Scientific reports · 2025Article
- Spider egg sacs reveal how pockets of air can be used to conserve water.The Journal of experimental biology · 2025Article
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- RNA Interference-Mediated Suppression of Ecdysone Signaling Inhibits Choriogenesis in Two Coleoptera Species.International journal of molecular sciences · 2024Article
- A life-history allele of large effect shortens developmental time in a wild insect population.Nature ecology & evolution · 2024Article
- CRISPR-Cas9-Mediated Mutation of Methyltransferase METTL4 Results in Embryonic Defects in SilkwormInternational journal of molecular sciences · 2023Article
- Wet and dry extremes reduce arthropod biomass independently of leaf phenology in the wet tropics.Global change biology · 2023Article
- Diversity, duplication, and genomic organization of homeobox genes in Lepidoptera.Genome research · 2023Article
- Article
- Review of extra-embryonic tissues in the closest arthropod relatives, onychophorans and tardigrades.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- The extended analogy of extraembryonic development in insects and amniotes.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- How two extraembryonic epithelia became one: serosa and amnion features and functions ofPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- Immune function of the serosa in hemimetabolous insect eggs.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- Extraembryonic tissue in chelicerates: a review and outlook.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- Persistent Parental RNAi in the BeetleAdvanced genetics (Hoboken, N.J.) · 2022Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Insects have been extraordinarily successful in occupying terrestrial habitats, in contrast to their mostly aquatic sister group, the crustaceans. This success is typically attributed to adult traits such as flight, whereas little attention has been paid to adaptation of the egg. An evolutionary novelty of insect eggs is the serosa, an extraembryonic membrane that enfolds the embryo and secretes a cuticle. To experimentally test the protective function of the serosa, we exploit an exceptional possibility to eliminate this membrane by zerknüllt1 RNAi in the beetle Tribolium castaneum. We analyse hatching rates of eggs under a range of humidities and find dramatically decreasing hatching rates with decreasing humidities for serosa-less eggs, but not for control eggs. Furthermore, we show serosal expression of Tc-chitin-synthase1 and demonstrate that its knock-down leads to absence of the serosal cuticle and a reduction in hatching rates at low humidities. These developmental genetic techniques in combination with ecological testing provide experimental evidence for a crucial role of the serosa in desiccation resistance. We propose that the origin of this extraembryonic membrane facilitated the spectacular radiation of insects on land, as did the origin of the amniote egg in the terrestrial invasion of vertebrates.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.