ArticlePlant molecular biology2007
The moss genes PpSKI1 and PpSKI2 encode nuclear SnRK1 interacting proteins with homologues in vascular plants.
Article in Plant molecular biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 42 citations in OpenAlex.
- Chromatin-associated DEK proteins maintain H3K27me3 balance and coordinate developmental transitions in plants.The New phytologist · 2026Article
- Essential developmental processes in Physcomitrium patens require distinct levels of total activity provided by functionally redundant PpROP GTPases.The New phytologist · 2025Article
- The ABAP1 interacting protein 10 (AIP10) exerts a dual role in the cell cycle and primary metabolism pathways in Arabidopsis thaliana.The Plant journal : for cell and molecular biology · 2025Article
- MS1/MMD1 homologues in the moss Physcomitrium patens are required for male and female gametogenesis.The New phytologist · 2022Article
- Dependence on clade II bHLH transcription factors for nursing of haploid products by tapetal-like cells is conserved between moss sporangia and angiosperm anthers.The New phytologist · 2022Article
- The Physcomitrium (Physcomitrella) patens PpKAI2L receptors for strigolactones and related compounds function via MAX2-dependent and -independent pathways.The Plant cell · 2021Article
- Mutations in themicroPublication biology · 2021Article
- Studies of moss reproductive development indicate that auxin biosynthesis in apical stem cells may constitute an ancestral function for focal growth control.The New phytologist · 2021Article
- Article
- Testing of Auxotrophic Selection Markers for Use in the MossFrontiers in plant science · 2017Article
- Constitutive auxin response in Physcomitrella reveals complex interactions between Aux/IAA and ARF proteins.eLife · 2016Article
- The Oryza sativa Regulator HDR1 Associates with the Kinase OsK4 to Control Photoperiodic Flowering.PLoS genetics · 2016Article
- Holophytochrome-Interacting Proteins in Physcomitrella: Putative Actors in Phytochrome Cytoplasmic Signaling.Frontiers in plant science · 2016Article
- SnRK1A-interacting negative regulators modulate the nutrient starvation signaling sensor SnRK1 in source-sink communication in cereal seedlings under abiotic stress.The Plant cell · 2014Article
- The MOSS Physcomitrella patens reproductive organ development is highly organized, affected by the two SHI/STY genes and by the level of active auxin in the SHI/STY expression domain.Plant physiology · 2013Article
- The Arabidopsis thaliana Med25 mediator subunit integrates environmental cues to control plant development.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Two novel types of hexokinases in the moss Physcomitrella patens.BMC plant biology · 2011Article
- Rescue and characterization of episomally replicating DNA from the moss Physcomitrella.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Interaction of the WD40 domain of a myoinositol polyphosphate 5-phosphatase with SnRK1 links inositol, sugar, and stress signaling.Plant physiology · 2008Article
- Sugar sensing and signaling.The arabidopsis book · 2008Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The yeast Snf1, animal AMPK, and plant SnRK1 protein kinases constitute a family of related proteins that have been proposed to serve as metabolic sensors of the eukaryotic cell. We have previously reported the characterization of two redundant SnRK1 encoding genes (PpSNF1a and PpSNF1b) in the moss Physcomitrella patens. Phenotypic analysis of the snf1a snf1b double knockout mutant suggested that SnRK1 is important for the plant's ability to recognize and adapt to conditions of limited energy supply, and also suggested a possible role of SnRK1 in the control of plant development. We have now used a yeast two-hybrid system to screen for PpSnf1a interacting proteins. Two new moss genes were found, PpSKI1 and PpSKI2, which encode highly similar proteins with homologues in vascular plants. Fusions of the two encoded proteins to the green fluorescent protein localize to the nucleus. Knockout mutants for either gene have an excess of gametophores under low light conditions, and exhibit reduced gametophore stem lengths. Possible functions of the new proteins and their connection to the SnRK1 kinase are discussed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.