ArticleJournal of experimental botany2021
Genetic autonomy and low singlet oxygen yield support kleptoplast functionality in photosynthetic sea slugs.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Singlet Oxygen in Plants: Mechanistic Insights into Production, Oxidative Damage, and Stress-Response Signaling.Antioxidants (Basel, Switzerland) · 2026Review
- Loss of state transitions in Bryopsidales macroalgae and kleptoplastic sea slugs (Gastropoda, Sacoglossa).Communications biology · 2025Article
- Shared ancestry of algal symbiosis and chloroplast sequestration in foraminifera.Science advances · 2023Article
- Prey species and abundance affect growth and photosynthetic performance of the polyphagous sea slugRoyal Society open science · 2023Article
- Kleptoplasty: Getting away with stolen chloroplasts.PLoS biology · 2022Article
- Ultraviolet screening by slug tissue and tight packing of plastids protect photosynthetic sea slugs from photoinhibition.Photosynthesis research · 2022Article
- Genetic autonomy and low singlet oxygen yield support kleptoplast functionality in photosynthetic sea slugs.Journal of experimental botany · 2021Article
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Authors and funding
6 authors.
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Abstract
The kleptoplastic sea slug Elysia chlorotica consumes Vaucheria litorea, stealing its plastids, which then photosynthesize inside the animal cells for months. We investigated the properties of V. litorea plastids to understand how they withstand the rigors of photosynthesis in isolation. Transcription of specific genes in laboratory-isolated V. litorea plastids was monitored for 7 days. The involvement of plastid-encoded FtsH, a key plastid maintenance protease, in recovery from photoinhibition in V. litorea was estimated in cycloheximide-treated cells. In vitro comparison of V. litorea and spinach thylakoids was applied to investigate reactive oxygen species formation in V. litorea. In comparison to other tested genes, the transcripts of ftsH and translation elongation factor EF-Tu (tufA) decreased slowly in isolated V. litorea plastids. Higher levels of FtsH were also evident in cycloheximide-treated cells during recovery from photoinhibition. Charge recombination in PSII of V. litorea was found to be fine-tuned to produce only small quantities of singlet oxygen, and the plastids also contained reactive oxygen species-protective compounds. Our results support the view that the genetic characteristics of the plastids are crucial in creating a photosynthetic sea slug. The plastid's autonomous repair machinery is likely enhanced by low singlet oxygen production and elevated expression of FtsH.
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