ArticleAnnals of botany2012
Hybrid proline-rich proteins: novel players in plant cell elongation?
Article in Annals of botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 33 citations in OpenAlex.
- Exogenous Proline Maintains Cell Wall Structure and Membrane Integrity in Rice Seedlings Under Cr(VI) Stress Associated with Regulation of Proline-Rich Proteins.International journal of molecular sciences · 2026Article
- Identification and analysis of proline-rich proteins and hybrid proline-rich proteins super family genes fromFrontiers in plant science · 2022Article
- Article
- Genome-Wide Identification of PRP Genes in Apple Genome and the Role ofInternational journal of molecular sciences · 2021Article
- Detailed insight into the dynamics of the initial phases of de novo RNA-directed DNA methylation in plant cells.Epigenetics & chromatin · 2019Article
- Genome-Wide Analysis and Expression Profiling of Rice Hybrid Proline-Rich Proteins in Response to Biotic and Abiotic Stresses, and Hormone Treatment.Plants (Basel, Switzerland) · 2019Article
- Genome-wide identification and analysis of non-specific Lipid Transfer Proteins in hexaploid wheat.Scientific reports · 2018Article
- Pervasive read-through transcription of T-DNAs is frequent in tobacco BY-2 cells and can effectively induce silencing.BMC plant biology · 2018Article
- 5-Azacytidine mediated reactivation of silenced transgenes in potato (Solanum tuberosum) at the whole plant level.Plant cell reports · 2017Article
- YeATS - a tool suite for analyzing RNA-seq derived transcriptome identifies a highly transcribed putative extensin in heartwood/sapwood transition zone in black walnut.F1000Research · 2015Article
- Pigeonpea Hybrid-Proline-Rich Protein (CcHyPRP) Confers Biotic and Abiotic Stress Tolerance in Transgenic Rice.Frontiers in plant science · 2015Article
- RNAi-based functional elucidation of PtrPRP, a gene encoding a hybrid proline rich protein, in cold tolerance of Poncirus trifoliata.Frontiers in plant science · 2015Article
- Role of proline in cell wall synthesis and plant development and its implications in plant ontogeny.Frontiers in plant science · 2015Review
- Salt stress in Arabidopsis: lipid transfer protein AZI1 and its control by mitogen-activated protein kinase MPK3.Molecular plant · 2014Article
- Identification of the soybean HyPRP family and specific gene response to Asian soybean rust disease.Genetics and molecular biology · 2013Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsHybrid proline-rich proteins (HyPRPs) represent a large family of putative cell-wall proteins characterized by the presence of a variable N-terminal domain and a conserved C-terminal domain that is related to non-specific lipid transfer proteins. The function of HyPRPs remains unclear, but their widespread occurrence and abundant expression patterns indicate that they may be involved in a basic cellular process.
methodsTo elucidate the cellular function of HyPRPs, we modulated the expression of three HyPRP genes in tobacco (Nicotiana tabacum) BY-2 cell lines and in potato (Solanum tuberosum) plants. KEY
resultsIn BY-2 lines, over-expression of the three HyPRP genes with different types of N-terminal domains resulted in similar phenotypic changes, namely increased cell elongation, both in suspension culture and on solid media where the over-expression resulted in enhanced calli size. The over-expressing cells showed increased plasmolysis in a hypertonic mannitol solution and accelerated rate of protoplast release, suggesting loosening of the cell walls. In contrast to BY-2 lines, no phenotypic changes were observed in potato plants over-expressing the same or analogous HyPRP genes, presumably due to more complex compensatory mechanisms in planta.
conclusionsBased on the results from BY-2 lines, we propose that HyPRPs, more specifically their C-terminal domains, represent a novel group of proteins involved in cell expansion.
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