ArticleProtoplasma2023
Investigation of the cell structure and organelles during autolytic PCD of Antirrhinum majus "Legend White" petals.
Article in Protoplasma, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Selective degradation processes in plants are not limited to autophagy.Plant cell reports · 2026Review
- Genotype-dependent induction of embryogenic callus and programmed cell death in Korean pine.BMC plant biology · 2025Article
- Is autophagy always a death sentence? A case study of highly selective cytoplasmic degradation during phloemogenesis.Annals of botany · 2025Article
- Physiological basis of nano-silica deposition-related improvement in aluminum tolerance in pea (Frontiers in plant science · 2025Article
- Ac-DEVD-CHO (caspase-3/DEVDase inhibitor) suppresses self-incompatibility-induced programmed cell death in the pollen tubes of petunia (Petunia hybrida E. Vilm.).Cell death discovery · 2024Article
- Autophagic and phytochemical aspects of color changes in white petals of snapdragon flower during development and senescence.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
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Authors and funding
4 authors.
Funding
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Abstract
One of the classes of the plant developmental programmed cell death (PCD) is vacuolar cell death or autolysis. The results of the transmission electron microscope (TEM) studies indicated that this type of PCD occurs during the petal senescence of Antirrhinum majus "Legend White" flowers. The major hallmarks of the process related to the ultrastructure of the cells involved chloroplast degradation, vacuolation, chromatin condensation, cell wall swelling, degradation of Golgi apparatus, protoplasmic shrinkage, degradation of the endoplasmic reticulum, nuclear fragmentation, rupture of tonoplast, and plasma membrane. Macroautophagy and microautophagy processes were also clearly observed during vacuole formation. As in yeasts, in the present study, Golgi apparatus became autophagosome-like structures during degradation that had autophagy activity and then disappeared. Our results revealed a type of selective microautophagy, piecemeal microautophagy of the nucleus (PMN), in nuclear degradation during PCD of petals that has not previously been reported in plants. Moreover, vesicular structures, such as paramural and multilamellar bodies, were observed in some stages.
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