• Description

  • Application Data


N-terminal peptide of EF-Tu, a bacterial PAMP protein able to induce strong plant defence responses

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Application Data

Catalogue number crb1000748
Molecular Weight 2068.1
Sequence (one letter code)


Sequence (three letter code)


Purity >95%
Storage -20°C

Kunze et al (2004) The N Terminus of Bacterial Elongation Factor Tu Elicits Innate Immunity in Arabidopsis Plants. Plant Cell 16(12) 3496 PMID: 15548740


Seo et al (2017) ELF18-induced long-noncoding RNA Associates with Mediator to Enhance Expression of Innate Immune Response Genes in Arabidopsis. Plant Cell, 29(5), 1024 PMID: 28400491

Manufactured in: United Kingdom
Data Sheet Material Safety Data Sheet (MSDS)

Translation elongation factor thermo unstable (EF-Tu), is a highly conserved protein in bacteria which is essential for the synthesis of new proteins through translation in the ribosome. EF-Tu is also a pathogen-associated molecular pattern (PAMP) protein. PAMPs are elicitors of plant defences and are recognised by pattern recognition receptors in the plant. In Arabidopsis thaliana EF-Tu is recognised by EF-Tu Receptor (EFR), a leucine-rich repeat-receptor kinase XII family member.

Elf18 represents the N-terminal of EF-Tu, the region specifically recognised by Arabidopsis. This N-acetylated peptide is a strong inducer of plant defence responses and results in the biosynthesis of ethylene in leaves which triggers resistance to subsequent infection by pathogenic bacteria.


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