ArticlePlant physiology2006
Consistency of polyamine profiles and expression of arginine decarboxylase in mitosis during zygotic embryogenesis of Scots pine.
Article in Plant physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 46 citations in OpenAlex.
- Article
- AMADH inhibitor optimization and its effects on GABA accumulation in soybean sprouts under NaCl-CaCl3 Biotech · 2019Article
- Thermospermine Synthase (Frontiers in plant science · 2019Article
- Scots pine aminopropyltransferases shed new light on evolution of the polyamine biosynthesis pathway in seed plants.Annals of botany · 2018Article
- iTRAQ-based comparative proteomic analysis provides insights into somatic embryogenesis in Gossypium hirsutum L.Plant molecular biology · 2018Article
- De novo transcriptome analysis reveals insights into dynamic homeostasis regulation of somatic embryogenesis in upland cotton (G. hirsutum L.).Plant molecular biology · 2016Article
- 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
- Polyamine and Its Metabolite H2O2 Play a Key Role in the Conversion of Embryogenic Callus into Somatic Embryos in Upland Cotton (Gossypium hirsutum L.).Frontiers in plant science · 2015Article
- Evolution, three-dimensional model and localization of truncated hemoglobin PttTrHb of hybrid aspen.PloS one · 2014Article
- Arginine Decarboxylase expression, polyamines biosynthesis and reactive oxygen species during organogenic nodule formation in hop.Plant signaling & behavior · 2011Article
- Dealing with the problem of non-specific in situ mRNA hybridization signals associated with plant tissues undergoing programmed cell death.Plant methods · 2010Article
- Organogenic nodule formation in hop: a tool to study morphogenesis in plants with biotechnological and medicinal applications.Journal of biomedicine & biotechnology · 2010Review
- One tissue, two fates: different roles of megagametophyte cells during Scots pine embryogenesis.Journal of experimental botany · 2009Article
- Involvement of polyamines in the post-anthesis development of inferior and superior spikelets in rice.Planta · 2008Article
- Polyamines improve K+/Na+ homeostasis in barley seedlings by regulating root ion channel activities.Plant physiology · 2007Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, we show that both arginine decarboxylase (ADC) protein and mRNA transcript are present at different phases of mitosis in Scots pine (Pinus sylvestris) zygotic embryogenesis. We also examined the consistency of polyamine (PA) profiles with the effective temperature sum, the latter indicating the developmental stage of the embryos. PA metabolism was analyzed by fitting statistical regression models to the data of free and soluble conjugated PAs, to the enzyme activities of ADC and ornithine decarboxylase (ODC), as well as to the gene expression of ADC. According to the fitted models, PAs typically had the tendency to increase at the early stages but decrease at the late stages of embryogenesis. Only the free putrescine fraction remained stable during embryo development. The PA biosynthesis strongly preferred the ADC pathway. Both ADC gene expression and ADC enzyme activity were substantially higher than putative ODC gene expression or ODC enzyme activity, respectively. ADC gene expression and enzyme activity increased during embryogenesis, which suggests the involvement of transcriptional regulation in the expression of ADC. Both ADC mRNA and ADC protein localized in dividing cells of embryo meristems and more specifically within the mitotic spindle apparatus and close to the chromosomes, respectively. The results suggest the essential role of ADC in the mitosis of plant cells.
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