ArticlePlant molecular biology2003
An arabinogalactan protein associated with secondary cell wall formation in differentiating xylem of loblolly pine.
Article in Plant molecular biology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 73 citations in OpenAlex.
- Trimming galactose side chains of arabinogalactan proteins alters pectin and hemicellulose deposition in secondary cell walls of Arabidopsis thaliana floral stem internodes.Plant & cell physiology · 2026Article
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- An Arabidopsis thaliana arabinogalactan-protein (AGP31) and several cationic AGP fragments catalyse the boron bridging of rhamnogalacturonan-II.The Biochemical journal · 2022Article
- Arabinogalactan Proteins: Focus on the Role in Cellulose Synthesis and Deposition during Plant Cell Wall Biogenesis.International journal of molecular sciences · 2022Review
- Differential Expression of Arabinogalactan in Response to Inclination in Stem ofPlants (Basel, Switzerland) · 2022Article
- Comprehensive Analysis of Arabinogalactan Protein-Encoding Genes Reveals the Involvement of ThreeInternational journal of molecular sciences · 2021Article
- The Role of Arabinogalactan Type II Degradation in Plant-Microbe Interactions.Frontiers in microbiology · 2021Review
- APETALA2 control of barley internode elongation.Development (Cambridge, England) · 2019Article
- Exploring the genetic basis of gene transcript abundance and metabolite levels in loblolly pine (Pinus taeda L.) using association mapping and network construction.BMC genetics · 2018Article
- Gene expression of an arabinogalactan lysine-rich protein3 Biotech · 2018Article
- Conflicting genomic signals affect phylogenetic inference in four species of North American pines.AoB PLANTS · 2016Article
- A fasciclin-like arabinogalactan protein, GhFLA1, is involved in fiber initiation and elongation of cotton.Plant physiology · 2013Article
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- Arabinogalactan-protein secretion is associated with the acquisition of stigmatic receptivity in the apple flower.Annals of botany · 2012Article
- Crystal structures of a Populus tomentosa 4-coumarate:CoA ligase shed light on its enzymatic mechanisms.The Plant cell · 2010Article
- Genome-wide identification, classification, and expression analysis of the arabinogalactan protein gene family in rice (Oryza sativa L.).Journal of experimental botany · 2010Article
- Genome-wide transcriptome analysis of the transition from primary to secondary stem development in Populus trichocarpa.BMC genomics · 2010Article
- Suppression of GhAGP4 gene expression repressed the initiation and elongation of cotton fiber.Plant cell reports · 2010Article
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabinogalactan proteins (AGPs) are abundant plant proteoglycans implicated in plant growth and development. Here, we report the genetic characterization, partial purification and immunolocalization of a classical AGP (PtaAGP6, accession number AF101785) in loblolly pine (Pinus taeda L.). A PtaAGP6 full-length cDNA clone was expressed in bacteria. PtaAGP6 resembles tomato LeAGP-1 and Arabidopsis AtAGP17-19 in that they all possess a subdomain composed of basic amino acids. The accessibility of this domain in the glycoprotein makes it possible to label the PtaAGP6 epitopes on the cell surface or in the cell wall with polyclonal antibodies raised against this subdomain. The antibodies recognize the peptide of the basic subdomain and bind to the intact protein molecule. A soluble protein-containing fraction was purified from the differentiating xylem of pine trees by using beta-glucosyl Yariv reagent (beta-glcY) and was recognized by antibodies against the basic subdomain. Immunolocalization studies showed that the PtaAGP6 epitopes are restricted to a file of cells that just precede secondary cell wall thickening, suggesting roles in xylem differentiation and wood formation. The location of apparent labeling of the PtaAGP6 epitopes is separated from the location of lignin deposition. Multiple single nucleotide polymorphisms (SNPs) were detected in EST variants. Denaturing HPLC analysis of PCR products suggests that PtaAGP6 is encoded by a single gene. Mobility variation in denaturing gel electrophoresis was used to map PtaAGP6 SNPs to a site on linkage group 5.
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