Solution NMR studies of the plant peptide hormone CEP inform function

Benjamin G. Bobay, Peter Digennaro, Elizabeth Scholl, Nijat Imin, Michael A. Djordjevic, David McK Bird

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)

Abstract

The C-terminally Encoded Peptide (CEP) family of regulatory peptides controls root development in vascular plants. Here, we present the first NMR structures of CEP. We show that root-knot nematode (RKN: Meloidogyne spp.) also encodes CEP, presumably to mimic plant CEP as part of their stereotypic, parasitic interaction with vascular plants. Molecular dynamics simulations of plant- and nematode-encoded CEP displaying known posttranslational modifications (PTM) provided insight into the structural effects of PTM and the conformational plasticity and rigidity of CEP. Potential mechanisms of action are discussed with respect to the structure and sampling of conformational space.
Original languageEnglish
Pages (from-to)3979-3985
Number of pages7
JournalFEBS Letters
Volume587
Issue number24
DOIs
Publication statusPublished - 2013

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