ArticleJournal of experimental botany2014
SPX1 is an important component in the phosphorus signalling network of common bean regulating root growth and phosphorus homeostasis.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- The SPX protein family in plants: from phosphate sensors to multifunctional signaling hubs.Stress biology · 2026Review
- Comparative Analysis of Hulless Barley Transcriptomes to Regulatory Effects of Phosphorous Deficiency.Life (Basel, Switzerland) · 2024Article
- SPX family response to low phosphorus stress and the involvement ofFrontiers in plant science · 2024Article
- ReGeNNe: genetic pathway-based deep neural network using canonical correlation regularizer for disease prediction.Bioinformatics (Oxford, England) · 2023Article
- Transcriptomic Analysis Reveals the Response Mechanisms of Bell Pepper (Metabolites · 2023Article
- Multi-Omics Analysis Reveals Mechanisms of Strong Phosphorus Adaptation in Tea Plant Roots.International journal of molecular sciences · 2023Article
- Improving phosphorus acquisition efficiency through modification of root growth responses to phosphate starvation in legumes.Frontiers in plant science · 2023Review
- Mechanisms Underlying Soybean Response to Phosphorus Deficiency through Integration of Omics Analysis.International journal of molecular sciences · 2022Review
- Fine-tuning the transcriptional regulatory model of adaptation response to phosphate stress in maize (Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Purple acid phosphatases: roles in phosphate utilization and new emerging functions.Plant cell reports · 2022Review
- Increasing Expression ofFrontiers in plant science · 2022Article
- New insights into the evolution of SPX gene family from algae to legumes; a focus on soybean.BMC genomics · 2021Article
- Characterization of Purple Acid Phosphatase Family and Functional Analysis ofFrontiers in plant science · 2020Article
- AtMBD4: A methylated DNA binding protein negatively regulates a subset of phosphate starvation genes.Journal of biosciences · 2019Article
- Identification and mapping of two independent recessive loci for the root hairless mutant phenotype in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Genome Wide Transcriptome Analysis Reveals Complex Regulatory Mechanisms Underlying Phosphate Homeostasis in Soybean Nodules.International journal of molecular sciences · 2018Article
- Association of extracellular dNTP utilization with a GmPAP1-like protein identified in cell wall proteomic analysis of soybean roots.Journal of experimental botany · 2018Article
- Interaction and Regulation of Carbon, Nitrogen, and Phosphorus Metabolisms in Root Nodules of Legumes.Frontiers in plant science · 2018Review
- Evolution of theOpen biology · 2018Review
- Genome-Wide Identification and Characterization of SPX Domain-Containing Members and Their Responses to Phosphate Deficiency inFrontiers in plant science · 2017Article
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7 authors.
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Abstract
Proteins containing the SPX domain are believed to play vital roles in the phosphorus (P) signalling network in plants. However, the functions of SPX proteins in legumes remain largely unknown. In this study, three SPX members, PvSPX1-PvSPX3 were cloned from common bean (Phaseolus vulgaris L.). It was found that the transcripts of all three PvSPX members were significantly enhanced in both bean leaves and roots by phosphate (Pi) starvation. Among them, the expression of nuclear localized PvSPX1 showed more sensitive and rapid responses to Pi starvation. Consistently, only overexpression of PvSPX1 resulted in increased root P concentration and modified morphology of transgenic bean hairy roots, such as inhibited root growth and an enlarged root hair zone. It was further demonstrated that PvSPX1 transcripts were up-regulated by overexpressing PvPHR1, and overexpressing PvSPX1 led to increased transcripts of 10 Pi starvation-responsive genes in transgenic bean hairy roots. Taken together, it is suggested that PvSPX1 is a positive regulator in the P signalling network of common bean, and is downstream of PvPHR1.
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