Ferredoxin-like amphipathic protein

Plant ferredoxin-like protein

pflp

Plant ferredoxin-like protein is a Ferredoxin-I protein that is involved in the hypersensitive response (HR) and plant immune response to bacterial pathogens. The protein contains an N-terminal chloroplast transit peptide that causes the protein to accumulate within the chloroplasts of cells. In transgenic applications, the protein can also be found in the cytoplasm. The exact resistance mechanism of this protein to bacterial remains unclear. However, transgenic applications of this protein have shown that it intensifies the HR and increases the production of reactive oxygen species in response to the pathogen associated molecular pattern harpin, which is produced by Gram negative bacterial pathogens, such as Pseudomonas syringae.

Harpins are glycine-rich and heat-stable proteins that are secreted through type III secretion system in gram-negative plant-pathogenic bacteria and elicit a hypersensitive response.

Previous research has suggested that pflp could be used as a selectable marker for plant transformations.