Barley ROP Binding Kinase1 Is Involved in Microtubule Organization and in Basal Penetration Resistance to the Barley Powdery Mildew Fungus

Huesmann, Christina; Reiner, Tina; Hoefle, Caroline; Preuss, Jutta; Jurca, Manuela E.; Domoki, Mónika; Fehér, Attila; Hückelhoven, Ralph

doi:10.1104/pp.111.191940

Cited by 55 publications

(100 citation statements)

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“…Arabidopsis RLCKs of the subfamily VI_A interact with the plant-specific Rho family of small monomeric G proteins called 'Rho of plants' (RAC/ROPs) (Jurca et al 2008;Molendijk et al 2008). A function of the VI subfamily of RLCKs as RAC/ROP downstream signaling effectors in plants was supported by RAC/ROP GTPase-dependent activation of RLCKs in Arabidopsis, Medicago trunculata (M. trunculata) and barley (Hordeum vulgare L) (Dorjgotov et al 2009;Huesmann et al 2012). RAC/ROP proteins regulate processes like cell development, hormone signaling, cytoskeleton rearrangement and plant disease resistance or susceptibility via various downstream effector proteins including RLCKs (Berken 2006;Nibau et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…HvRBK1 is closely related to the VI_A subfamily of Arabidopsis receptor-like cytoplasmic kinases and shows highest similarity to AtRLCK VI_A3 (Huesmann et al 2012). In order to test, whether AtRLCK VI_A3 might show a similar specificity of interaction with RAC/ROPs as HvRBK1,…”

Section: Atrlck Vi_a3 Interacts With Barley and Arabidopsis Rac/rops mentioning

confidence: 99%

“…We next investigated whether AtRLCK VI_A3 has similar function in the plant-fungal pathogen interaction as it was described for HvRACB and HvRBK1 in the barley-barley powdery mildew interaction (Huesmann et al 2012). For this purpose, two homozygous AtRLCK VI_A3 T-DNA insertion lines, Atrlck VI_A3-1 and Atrlck VI_A3-2, which contain the T-DNA insertion in the fourth and second exon respectively, were genotyped (see below Fig.…”

Section: Atrlck Vi_a3 Mutants Are More Susceptible To the Biotrophic mentioning

confidence: 99%

“…trunculata or H. vulgare kinases which fall into the RLCK clade VI_A (Dorjgotov et al 2009;Huesmann et al 2012). In order to test the ability of AtROP6 to activate AtRLCK VI_A3, in vitro kinase assays were performed.…”

Section: Atrop6 Enhances Atrlck Vi_a3 Activity In Vitromentioning

confidence: 99%

“…Recently, the barley RLCK ROP binding kinase1 (HvRBK1), which is closely related to AtRLCK VI_A3, was shown to serve as RAC/ROP effector in the barley-barley powdery mildew interaction (Huesmann et al 2012). HvRBK1 interacted with the susceptibility factor HvRACB, which is required for successful invasion of intact barley epidermal cells by the biotrophic fungus Blumeria graminis f. sp.…”

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The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching

et al. 2014

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Reference: Reiner T, Hoefle C, The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching. Plant Cell Rep 34:457-468. 2The final publication is available at Springer via http://dx.doi.org/doi: 10.1007/s00299-014-1725-1 KEY MESSAGEThe Arabidopsis receptor-like cytoplasmic kinase AtRLCK VI_A3 is activated by AtROPs and is involved in trichome branching and pathogen interaction. Key words:Receptor-like cytoplasmic kinase (RLCK), RAC/ROP GTPase, Arabidopsis thaliana, Erysiphe cruciferarum, Trichome Reference: Reiner T, Hoefle C, The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching. Plant Cell Rep 34:457-468. 3The final publication is available at Springer via http://dx.doi.org

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Section: Introductionmentioning

confidence: 99%

Section: Atrlck Vi_a3 Interacts With Barley and Arabidopsis Rac/rops mentioning

confidence: 99%

Section: Atrlck Vi_a3 Mutants Are More Susceptible To the Biotrophic mentioning

confidence: 99%

Section: Atrop6 Enhances Atrlck Vi_a3 Activity In Vitromentioning

confidence: 99%

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The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching

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ROP GTPases and Cell Shape

Bloch¹,

Feiguelman²,

Buriakovsky³

et al. 2015

Cell Biology

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Small and Large G Proteins in Biotic and Abiotic Stress Responses in Plants

Pandey

Sharma

Pandey

2015

Elucidation of Abiotic Stress Signaling in Plants

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The sessile nature of plants has enabled them to develop a higher level of plasticity in adaptation against the hostile environmental conditions such as biotic and abiotic stresses. The intricate molecular machineries in plants, consisting of signal sensors, signal transducers, and generation of response, are highly similar with animal's signal transduction components; however, a large number of pathways also show a high level of divergence. G proteins are a part of signal transduction components, which play pivotal role in regulating a large number of physiological and developmental processes in both plants and animals. G proteins or guanine nucleotide-binding proteins serve as molecular switches, existing in two forms: an active conformation, when bound to GTP, and an inactive conformation, when bound to GDP. In active conformation, G proteins interact with downstream effector molecules to initiate various cellular responses. Based on their structure, they have been divided into heterotrimeric and monomeric G proteins, also called large and small G proteins, respectively, where the former is composed of three subunits (α, β, and γ) and latter is composed of single subunit (α). Plant growth and development is partially regulated by the combined activity of large and small G proteins. Besides, identifi cation of profuse number of stress-related genes interacting with monomeric and heterotrimeric G-protein complex in both Arabidopsis and rice suggests their involvement in modulation of abiotic stress responses. Further, based on the functional analysis of several G proteins (large and small) regulating cell growth, cell proliferation, seed germination, sugar sensing, and hormonal responses indicate these proteins are equally essential for plant development. Due to increased demand of food crops to sustain growing population in adverse environmental conditions, the role of G proteins and modulation of GTPase signaling has been studied in plants to produce genetically modifi ed crop plants with increased stress tolerance and productivity.

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Barley ROP Binding Kinase1 Is Involved in Microtubule Organization and in Basal Penetration Resistance to the Barley Powdery Mildew Fungus

Abstract: Certain plant receptor-like cytoplasmic kinases were reported to interact with small monomeric G-proteins of the RHO of plant (ROP; also called RAC) family in planta and to be activated by this interaction in vitro. We identified a barley (Hordeum vulgare)

Cited by 55 publications

References 46 publications

The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching

The Arabidopsis ROP-activated receptor-like cytoplasmic kinase RLCK VI_A3 is involved in control of basal resistance to powdery mildew and trichome branching

ROP GTPases and Cell Shape

Small and Large G Proteins in Biotic and Abiotic Stress Responses in Plants

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