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Gene Review

LOC548170  -  actin

Hordeum vulgare

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High impact information on LOC548170

  • Polarized MLO accumulation occurs once upon attack and appears to be independent of actin cytoskeleton function [1].
  • We conclude that RACB and, potentially, MLO are host proteins involved in the modulation of actin reorganization and cell polarity in the interaction of barley with Bgh [2].
  • We stained actin filaments in a susceptible Mlo-genotype and a near-isogenic race-non-specifically resistant barley mlo5-mutant genotype using fluorescence-labelled phalloidin after chemical fixation [2].
  • The expression of message for Rubisco small subunit (RbcS), chlorophyll a/b-binding protein (Cab), sucrose (Suc):fructan-6-fructosyl transferase (6-SFT), and Actin were measured in individual photosynthetic cells of the barley (Hordeum vulgare) leaf [3].
  • The VIGS visual phenotype varied from maintained during silencing of actin 1 transcript expression to transient with incomplete penetration through affected tissue during silencing of phytoene desaturase expression [4].

Biological context of LOC548170


Anatomical context of LOC548170

  • The effect of tagetitoxin is selective because this compound does not inhibit barley leaf growth, or the normal accumulation of nuclear-encoded actin and BN3 transcripts and plastid DNA which occurs during chloroplast development [6].
  • Barley zygote protoplasts were mechanically isolated, embedded in agarose droplets, and microinjected with a rice actin promoter Act1-gusA-nos gene construct [7].
  • A histochemical analysis showed that metrafenone caused disruption of the apical actin cap and apical vesicle transport as well as weakening of the cell wall at hyphal tips [8].

Associations of LOC548170 with chemical compounds


Analytical, diagnostic and therapeutic context of LOC548170

  • In order to study the biochemical properties of HORvu;Pht1;1 and HORvu;Pht1;6, the genes were expressed in transgenic rice (Oryza sativa L.) plants under the control of the rice actin promoter and suspension cell cultures were generated [9].


  1. Recruitment and interaction dynamics of plant penetration resistance components in a plasma membrane microdomain. Bhat, R.A., Miklis, M., Schmelzer, E., Schulze-Lefert, P., Panstruga, R. Proc. Natl. Acad. Sci. U.S.A. (2005) [Pubmed]
  2. The receptor-like MLO protein and the RAC/ROP family G-protein RACB modulate actin reorganization in barley attacked by the biotrophic powdery mildew fungus Blumeria graminis f.sp. hordei. Opalski, K.S., Schultheiss, H., Kogel, K.H., Hückelhoven, R. Plant J. (2005) [Pubmed]
  3. Rubisco small subunit, chlorophyll a/b-binding protein and sucrose:fructan-6-fructosyl transferase gene expression and sugar status in single barley leaf cells in situ. Cell type specificity and induction by light. Lu, C., Koroleva, O.A., Farrar, J.F., Gallagher, J., Pollock, C.J., Tomos, A.D. Plant Physiol. (2002) [Pubmed]
  4. Characterization of a Brome mosaic virus strain and its use as a vector for gene silencing in monocotyledonous hosts. Ding, X.S., Schneider, W.L., Chaluvadi, S.R., Mian, M.A., Nelson, R.S. Mol. Plant Microbe Interact. (2006) [Pubmed]
  5. The relationship between induction of embryogenesis and chromosome doubling in microspore cultures. Shim, Y.S., Kasha, K.J., Simion, E., Letarte, J. Protoplasma (2006) [Pubmed]
  6. Chloroplast transcription is required to express the nuclear genes rbcS and cab. Plastid DNA copy number is regulated independently. Rapp, J.C., Mullet, J.E. Plant Mol. Biol. (1991) [Pubmed]
  7. Transformation of barley by microinjection into isolated zygote protoplasts. Holm, P.B., Olsen, O., Schnorf, M., Brinch-Pedersen, H., Knudsen, S. Transgenic Res. (2000) [Pubmed]
  8. Metrafenone: studies on the mode of action of a novel cereal powdery mildew fungicide. Opalski, K.S., Tresch, S., Kogel, K.H., Grossmann, K., Köhle, H., Hückelhoven, R. Pest Manag. Sci. (2006) [Pubmed]
  9. Characterization of two phosphate transporters from barley; evidence for diverse function and kinetic properties among members of the Pht1 family. Rae, A.L., Cybinski, D.H., Jarmey, J.M., Smith, F.W. Plant Mol. Biol. (2003) [Pubmed]
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