ArticleJournal of experimental botany2009
One tissue, two fates: different roles of megagametophyte cells during Scots pine embryogenesis.
Article in Journal of experimental botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 28 citations in OpenAlex.
- Detection of De Novo Mutations by Sequencing Reduced Representation Libraries.Methods in molecular biology (Clifton, N.J.) · 2025Article
- A transcriptome atlas of zygotic and somatic embryogenesis in Norway spruce.The Plant journal : for cell and molecular biology · 2024Article
- Strong Purifying Selection in Haploid Tissue-Specific Genes of Scots Pine Supports the Masking Theory.Molecular biology and evolution · 2023Article
- Cryo-Treatment Enhances the Embryogenicity of Mature Somatic Embryos via the lncRNA-miRNA-mRNA Network in White Spruce.International journal of molecular sciences · 2022Article
- Thermospermine Synthase (Frontiers in plant science · 2019Article
- Moderate stress responses and specific changes in polyamine metabolism characterize Scots pine somatic embryogenesis.Tree physiology · 2016Article
- Expression of catalase and retinoblastoma-related protein genes associates with cell death processes in Scots pine zygotic embryogenesis.BMC plant biology · 2015Article
- Negative effects of temperature and atmospheric depositions on the seed viability of common juniper (Juniperus communis).Annals of botany · 2014Article
- The pathway of cell dismantling during programmed cell death in lace plant (Aponogeton madagascariensis) leaves.BMC plant biology · 2012Article
- Dealing with the problem of non-specific in situ mRNA hybridization signals associated with plant tissues undergoing programmed cell death.Plant methods · 2010Article
- Article
- Pine embryogenesis: many licences to kill for a new life.Plant signaling & behavior · 2009Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the Scots pine (Pinus sylvestris L.) seed, embryos grow and develop within the corrosion cavity of the megagametophyte, a maternally derived haploid tissue, which houses the majority of the storage reserves of the seed. In the present study, histochemical methods and quantification of the expression levels of the programmed cell death (PCD) and DNA repair processes related genes (MCA, TAT-D, RAD51, KU80, and LIG) were used to investigate the physiological events occurring in the megagametophyte tissue during embryo development. It was found that the megagametophyte was viable from the early phases of embryo development until the early germination of mature seeds. However, the megagametophyte cells in the narrow embryo surrounding region (ESR) were destroyed by cell death with morphologically necrotic features. Their cell wall, plasma membrane, and nuclear envelope broke down with the release of cell debris and nucleic acids into the corrosion cavity. The occurrence of necrotic-like cell death in gymnosperm embryogenesis provides a favourable model for the study of developmental cell death with necrotic-like morphology and suggests that the mechanism underlying necrotic cell death is evolutionary conserved.
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