Remorins are plant-specific plasma membrane-associated proteins. In tobacco remorin co-purifies with lipid rafts. Most remorins have a variable, proline-rich N-half and a more conserved C-half that is predicted to form coiled coils. Consistent with this, circular dichroism studies have demonstrated that much of the protein is alpha-helical. Remorins exist in plasma membrane preparations as oligomeric structures and form filaments in vitro. The proteins can bind polyanions including the extracellular matrix component oligogalacturonic acid (OGA). In vitro, remorin in plasma membrane preparations is phosphorylated (principally on threonine residues) in the presence of OGA and thus co-purifies with a protein kinases(s). The biological functions of remorins are unknown but roles as components of the membrane/cytoskeleton are possible.

1: Cloning of a cDNA encoding a plasma membrane-associated, uronide binding phosphoprotein with physical properties similar to viral movement proteins. Reymond P, Kunz B, Paul-Pletzer K, Grimm R, Eckerskorn C, Farmer EE; Plant Cell 1996;8:2265-2276. PMID:8989883

2: Remorin, a solanaceae protein resident in membrane rafts and plasmodesmata, impairs potato virus X movement. Raffaele S, Bayer E, Lafarge D, Cluzet S, German Retana S, Boubekeur T, Leborgne-Castel N, Carde JP, Lherminier J, Noirot E, Satiat-Jeunemaitre B, Laroche-Traineau J, Moreau P, Ott T, Maule AJ, Reymond P, Simon-Plas F, Farmer EE, Bessoule JJ, Mongrand S; Plant Cell. 2009;21:1541-1555. PMID:19470590

3: A remorin protein interacts with symbiotic receptors and regulates bacterial infection. Lefebvre B, Timmers T, Mbengue M, Moreau S, Herve C, Toth K, Bittencourt-Silvestre J, Klaus D, Deslandes L, Godiard L, Murray JD, Udvardi MK, Raffaele S, Mongrand S, Cullimore J, Gamas P, Niebel A, Ott T; Proc Natl Acad Sci U S A. 2010;107:2343-2348. PMID:20133878

4: Perspectives on remorin proteins, membrane rafts, and their role during plant-microbe interactions. Jarsch IK, Ott T; Mol Plant Microbe Interact. 2011;24:7-12. PMID:21138374