ArticleThe New phytologist2020
PIRIN2 suppresses S-type lignin accumulation in a noncell-autonomous manner in Arabidopsis xylem elements.
Article in The New phytologist, 2020. 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, 22 citations in OpenAlex.
- The value of Arabidopsis as a model for secondary xylem research.The New phytologist · 2026Review
- Article
- Deep tissue profiling of Populus stem at single nucleus level reveals uncharacterized cell types and cell-specific gene regulatory networks.Genome biology · 2025Article
- Genome-Wide Identification and Functional Characterization of the BAHD Acyltransferase Gene Family inPlants (Basel, Switzerland) · 2025Article
- Effects of Pirin-like proteins on PAT biosynthesis and stress resilience in postharvest apple pathogen Penicillium expansum.Archives of microbiology · 2025Article
- A helping hand: XND1-DOF4.6 interaction modulates Arabidopsis drought tolerance.The Plant cell · 2025Article
- NbPIRIN promotes the protease activity of papain-like cysteine protease NbRD21 to inhibit Chinese wheat mosaic virus infection.PLoS pathogens · 2025Article
- Article
- Transcriptomic alterations in the sweet orange vasculature correlate with growth repression induced by a variant of citrus tristeza virus.Frontiers in microbiology · 2023Article
- Transcriptomic Analysis of Radish (Plants (Basel, Switzerland) · 2022Article
- Xylem Parenchyma-Role and Relevance in Wood Functioning in Trees.Plants (Basel, Switzerland) · 2021Review
- The chromatin-modifying protein HUB2 is involved in the regulation of lignin composition in xylem vessels.Journal of experimental botany · 2020Article
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
PIRIN (PRN) genes encode cupin domain-containing proteins that function as transcriptional co-regulators in humans but that are poorly described in plants. A previous study in xylogenic cell cultures of Zinnia elegans suggested a role for a PRN protein in lignification. This study aimed to identify the function of Arabidopsis (Arabidopsis thaliana) PRN proteins in lignification of xylem tissues. Chemical composition of the secondary cell walls was analysed in Arabidopsis stems and/or hypocotyls by pyrolysis-gas chromatography/mass spectrometry, 2D-nuclear magnetic resonance and phenolic profiling. Secondary cell walls of individual xylem elements were chemotyped by Fourier transform infrared and Raman microspectroscopy. Arabidopsis PRN2 suppressed accumulation of S-type lignin in Arabidopsis stems and hypocotyls. PRN2 promoter activity and PRN2:GFP fusion protein were localised specifically in cells next to the vessel elements, suggesting a role for PRN2 in noncell-autonomous lignification of xylem vessels. Accordingly, PRN2 modulated lignin chemistry in the secondary cell walls of the neighbouring vessel elements. These results indicate that PRN2 suppresses S-type lignin accumulation in the neighbourhood of xylem vessels to bestow G-type enriched lignin composition on the secondary cell walls of the vessel elements. Gene expression analyses suggested that PRN2 function is mediated by regulation of the expression of the lignin-biosynthetic genes.
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