ArticleProtoplasma2017
Integument cell gelatinisation-the fate of the integumentary cells in Hieracium and Pilosella (Asteraceae).
Article in Protoplasma, 2017. 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, 28 citations in OpenAlex.
- Inside a Dual Secretory Cell: Ultrastructural Insights into Mucilage and Phenolic Secretion inPlants (Basel, Switzerland) · 2026Article
- Cell Wall Microdomains in the External Glands ofInternational journal of molecular sciences · 2024Article
- Mucilage cells in the flower of Rosales species: reflections on morphological diversity, classification, and functions.Protoplasma · 2023Article
- Morphological and Structural Details of Tomato Seed Coat Formation: A Different Functional Role of the Inner and Outer Epidermises in Unitegmic Ovule.Plants (Basel, Switzerland) · 2022Article
- Morphological and Ultrastructural Features of Formation of the Skin of Wheat (Plants (Basel, Switzerland) · 2021Article
- In search of female sterility causes in the tetraploid and pentaploid cytotype of Pilosella brzovecensis (Asteraceae).Journal of plant research · 2021Article
- Immunodetection of Pectic Epitopes, Arabinogalactan Proteins, and Extensins in Mucilage Cells from the Ovules ofInternational journal of molecular sciences · 2020Article
- Morphological, Anatomical, and Phytochemical Studies ofInternational journal of molecular sciences · 2020Article
- Distinct Differentiation Characteristics of Endothelium Determine Its Ability to Form Pseudo-Embryos in Tomato Ovules.International journal of molecular sciences · 2019Article
Corrections and comments
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Authors and funding
5 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Members of the genera Hieracium and Pilosella are model plants that are used to study the mechanisms of apomixis. In order to have a proper understanding of apomixis, knowledge about the relationship between the maternal tissue and the gametophyte is needed. In the genus Pilosella, previous authors have described the specific process of the "liquefaction" of the integument cells that surround the embryo sac. However, these observations were based on data only at the light microscopy level. The main aim of our paper was to investigate the changes in the integument cells at the ultrastructural level in Pilosella officinarum and Hieracium alpinum. We found that the integument peri-endothelial zone in both species consisted of mucilage cells. The mucilage was deposited as a thick layer between the plasma membrane and the cell wall. The mucilage pushed the protoplast to the centre of the cell, and cytoplasmic bridges connected the protoplast to the plasmodesmata through the mucilage layers. Moreover, an elongation of the plasmodesmata was observed in the mucilage cells. The protoplasts had an irregular shape and were finally degenerated. After the cell wall breakdown of the mucilage cells, lysigenous cavities that were filled with mucilage were formed.
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