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Gene Review

MBP2  -  myrosinase-binding protein 2

Arabidopsis thaliana

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Disease relevance of MBP2

  • Elicitation of Arabidopsis thaliana (L.) Heynh. suspension cultures with the bacterial protein harpin (from Pseudomonas syringae pv. syringae) induced the activation of two kinases of 39 and 44 kDa, as demonstrated by in-gel kinase assays using myelin basic protein (MBP) as a substrate [1].
  • We isolated a mutant vector for MBP fusions that exhibited a more optimal level of expression for complementation of aerobic respiration in hemA(-) E. coli, our functional assay for the alternative oxidase [2].

High impact information on MBP2


Biological context of MBP2


Associations of MBP2 with chemical compounds

  • Both MAPKinase (ERK 1) and phosphotyrosine antibodies immunoprecipitated MBP-phosphorylating activity and detected a polypeptide band at M(r) approximately 47 kDa [5].

Other interactions of MBP2

  • The predicted proteins MBP1 and MBP2 are similar to lectins and plant aggregating factors [4].

Analytical, diagnostic and therapeutic context of MBP2

  • Northern analysis and in situ hybridization revealed that MBP mRNAs are present in higher levels in immature flowers and are localized in several floral organs, including the ovary, ovules, style, anthers and filament [4].


  1. Harpin induces mitogen-activated protein kinase activity during defence responses in Arabidopsis thaliana suspension cultures. Desikan, R., Clarke, A., Atherfold, P., Hancock, J.T., Neill, S.J. Planta (1999) [Pubmed]
  2. Screening for functional expression and overexpression of a family of diiron-containing interfacial membrane proteins using the univector recombination system. Berthold, D.A., Stenmark, P., Nordlund, P. Protein Sci. (2003) [Pubmed]
  3. Regulation of the dual specificity protein phosphatase, DsPTP1, through interactions with calmodulin. Yoo, J.H., Cheong, M.S., Park, C.Y., Moon, B.C., Kim, M.C., Kang, Y.H., Park, H.C., Choi, M.S., Lee, J.H., Jung, W.Y., Yoon, H.W., Chung, W.S., Lim, C.O., Lee, S.Y., Cho, M.J. J. Biol. Chem. (2004) [Pubmed]
  4. COI1 affects myrosinase activity and controls the expression of two flower-specific myrosinase-binding protein homologues in Arabidopsis. Capella, A.N., Menossi, M., Arruda, P., Benedetti, C.E. Planta (2001) [Pubmed]
  5. The effect of ethylene on MAPKinase-like activity in Arabidopsis thaliana. Novikova, G.V., Moshkov, I.E., Smith, A.R., Hall, M.A. FEBS Lett. (2000) [Pubmed]
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