Abstract
When exposed to excess heavy metals, plants induce phytochelatins and related peptides (all designated as PCAs). Thus, when hairy roots of horseradish ( Armoracia rusticana) were exposed for 3 days to cadmium (1 mM) along with reduced glutathione (2 mM), PCA induction occurred. Moreover, a new family of thiol peptides was detected as well as the previously known PCAs, as revealed by postcolumn-derivatization HPLC. Two were isolated and their structures were identified as (γ-Glu-Cys) n -Gln ( n = 3 and 4) by electrospray ionization-mass spectrometer spectra, this being confirmed by chemical synthesis of the peptides. These new analogs constitute the sixth PCA family identified to date.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
