Immunolocalization of cyclotides in plant cells, tissues and organ supports their role in host defense.

ABSTRACT:

Main conclusion

The distribution of cyclotides was visualized in plant cells, tissues and organs using immunohistochemistry. Finding of cyclotides in tissues potentially vulnerable to pathogen attacks supports their role as defense molecules. The cyclotide family of plant peptides is characterized by the cyclic cystine knot motif and its diverse biological activities. Given their insecticidal and antimicrobial properties, the role of cyclotides in planta is probably associated with host defense. Our current understanding of the cellular compartmentalization of cyclotides in the vacuole is based on indirect studies on transgenic model plants that do not express cyclotides naturally. Matrix-assisted laser desorption ionization (MALDI) imaging has also been used to study the distribut

SUBMITTER: Slazak B 

PROVIDER: S-EPMC5052299 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature