ArticlePlant physiology2007
A symbiotic plant peroxidase involved in bacterial invasion of the tropical legume Sesbania rostrata.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 35 citations in OpenAlex.
- Root cell wall remodeling during symbiotic microbial colonization.Frontiers in plant science · 2026Review
- Article
- An efficient methodology for the purification of date palm peroxidase: Stability comparison with horseradish peroxidase (HRP).Saudi journal of biological sciences · 2019Article
- Adaption of Roots to Nitrogen Deficiency Revealed by 3D Quantification and Proteomic Analysis.Plant physiology · 2019Article
- Overexpression of the Chromosome Partitioning GeneFrontiers in microbiology · 2019Article
- Isolation of a gene encoding for a class III peroxidase in female flower of Corylus avellana L.Molecular biology reports · 2012Article
- Plant lipid rafts: fluctuat nec mergitur.Plant signaling & behavior · 2007Article
- Comparative transcriptome analysis reveals common and specific tags for root hair and crack-entry invasion in Sesbania rostrata.Plant physiology · 2007Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aquatic nodulation on the tropical legume Sesbania rostrata occurs at lateral root bases via intercellular crack-entry invasion. A gene was identified (Srprx1) that is transiently up-regulated during the nodulation process and codes for a functional class III plant peroxidase. The expression strictly depended on bacterial nodulation factors (NFs) and could be modulated by hydrogen peroxide, a downstream signal for crack-entry invasion. Expression was not induced after wounding or pathogen attack, indicating that the peroxidase is a symbiosis-specific isoform. In situ hybridization showed Srprx1 transcripts around bacterial infection pockets and infection threads until they reached the central tissue of the nodule. A root nodule extensin (SrRNE1) colocalized with Srprx1 both in time and space and had the same NF requirement, suggesting a function in a similar process. Finally, in mixed inoculation nodules that were invaded by NF-deficient bacteria and differed in infection thread progression, infection-associated peroxidase transcripts were not observed. Lack of Srprx1 gene expression could be one of the causes for the aberrant structure of the infection threads.
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