ArticlePlant physiology2014
Intracellular catalytic domain of symbiosis receptor kinase hyperactivates spontaneous nodulation in absence of rhizobia.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 44 citations in OpenAlex.
- Sucrose-induced auxin conjugate hydrolase restores symbiosis in a Medicago cytokinin perception mutant.Plant physiology · 2023Article
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- Constitutive activation of a nuclear-localized calcium channel complex inProceedings of the National Academy of Sciences of the United States of America · 2022Article
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- Malectin/Malectin-like domain-containing proteins: A repertoire of cell surface molecules with broad functional potential.Cell surface (Amsterdam, Netherlands) · 2021Review
- Molecular Basis of Root Nodule Symbiosis betweenPlants (Basel, Switzerland) · 2020Review
- Independent Regulation of Symbiotic Nodulation by the SUNN Negative and CRA2 Positive Systemic Pathways.Plant physiology · 2019Article
- LACK OF SYMBIONT ACCOMMODATION controls intracellular symbiont accommodation in root nodule and arbuscular mycorrhizal symbiosis in Lotus japonicus.PLoS genetics · 2019Article
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- Domain Swap Approach Reveals the Critical Roles of Different Domains of SYMRK in Root Nodule Symbiosis inFrontiers in plant science · 2018Article
- Gatekeeper Tyrosine Phosphorylation of SYMRK Is Essential for Synchronizing the Epidermal and Cortical Responses in Root Nodule Symbiosis.Plant physiology · 2016Article
- A Snapshot of Functional Genetic Studies in Medicago truncatula.Frontiers in plant science · 2016Review
- Does SUNN-SYMRK Crosstalk occur in Medicago truncatula for regulating nodule organogenesis?Plant signaling & behavior · 2015Article
- Article
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4 authors at 1 institution in 1 country.
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Abstract
Symbiosis Receptor Kinase (SYMRK), a member of the Nod factor signaling pathway, is indispensible for both nodule organogenesis and intracellular colonization of symbionts in rhizobia-legume symbiosis. Here, we show that the intracellular kinase domain of a SYMRK (SYMRK-kd) but not its inactive or full-length version leads to hyperactivation of the nodule organogenic program in Medicago truncatula TR25 (symrk knockout mutant) in the absence of rhizobia. Spontaneous nodulation in TR25/SYMRK-kd was 6-fold higher than rhizobia-induced nodulation in TR25/SYMRK roots. The merged clusters of spontaneous nodules indicated that TR25 roots in the presence of SYMRK-kd have overcome the control over both nodule numbers and their spatial position. In the presence of rhizobia, SYMRK-kd could rescue the epidermal infection processes in TR25, but colonization of symbionts in the nodule interior was significantly compromised. In summary, ligand-independent deregulated activation of SYMRK hyperactivates nodule organogenesis in the absence of rhizobia, but its ectodomain is required for proper symbiont colonization.
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