ArticlePhysiologia plantarum
3D-reconstructions of zygospores in Zygnema vaginatum (Charophyta) reveal details of cell wall formation, suggesting adaptations to extreme habitats.
Article in Physiologia plantarum. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 17 citations in OpenAlex.
- Lipid droplet proteome plasticity in plant evolution, growth and development, and response to stress.Journal of experimental botany · 2026Review
- Ecophysiology of the conjugating green algae (Zygnematophyceae) with emphasis on semiterrestrial habitats and specialized metabolic compounds.Protoplasma · 2026Review
- Current and future perspectives for enhancing our understanding of the evolution of plant metabolism.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Conserved carotenoid pigmentation in reproductive organs of Charophyceae.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Plant terrestrialization: an environmental pull on the evolution of multi-sourced streptophyte phenolics.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- Zygospore formation in Zygnematophyceae predates several land plant traits.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- A Year at the Forefront of Streptophyte Algal Evolution.Biology open · 2024Review
- Zygospore development ofFrontiers in plant science · 2024Article
- 3D-reconstructions of zygospores in Zygnema vaginatum (Charophyta) reveal details of cell wall formation, suggesting adaptations to extreme habitats.Physiologia plantarumArticle
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Authors and funding
9 authors at 4 institutions in 4 countries.
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Abstract
The streptophyte green algal class Zygnematophyceae is the immediate sister lineage to land plants. Their special form of sexual reproduction via conjugation might have played a key role during terrestrialization. Thus, studying Zygnematophyceae and conjugation is crucial for understanding the conquest of land. Moreover, sexual reproduction features are important for species determination. We present a phylogenetic analysis of a field-sampled Zygnema strain and analyze its conjugation process and zygospore morphology, both at the micro- and nanoscale, including 3D-reconstructions of the zygospore architecture. Vegetative filament size (26.18 ± 1.07 μm) and reproductive features allowed morphological determination of Zygnema vaginatum, which was combined with molecular analyses based on rbcL sequencing. Transmission electron microscopy (TEM) depicted a thin cell wall in young zygospores, while mature cells exhibited a tripartite wall, including a massive and sculptured mesospore. During development, cytological reorganizations were visualized by focused ion beam scanning electron microscopy (FIB-SEM). Pyrenoids were reorganized, and the gyroid cubic central thylakoid membranes, as well as the surrounding starch granules, degraded (starch granule volume: 3.58 ± 2.35 μm
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