ArticleEcotoxicology (London, England)2022
Transcriptome profiling of Arabidopsis thaliana roots in response to allelopathic effects of Conyza canadensis.
Article in Ecotoxicology (London, England), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Allelochemical signaling and phytohormone crosstalk in plants: molecular mechanisms and implications for sustainable weed management.Plant cell reports · 2026Review
- Endophytic Pseudomonas fluorescens relieves intraspecific allelopathy of Atractylodes lancea by reducing ethylene transportation.BMC plant biology · 2024Article
- Utilizing physiologies, transcriptomics, and metabolomics to unravel key genes and metabolites ofFrontiers in plant science · 2024Article
- Omics Approaches in Invasion Biology: Understanding Mechanisms and Impacts on Ecological Health.Plants (Basel, Switzerland) · 2023Review
- Glycoalkaloid Composition and Flavonoid Content as Driving Forces of Phytotoxicity in Diploid Potato.International journal of molecular sciences · 2023Article
- Flavonoids Are Intra- and Inter-Kingdom Modulator Signals.Microorganisms · 2022Review
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Authors and funding
6 authors at 1 institution in 2 countries.
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Abstract
The molecular mechanisms underlying allelopathy and their role in the interactions between invasive weeds and native species remain unclear. In this study, we aimed to explore the physiological and molecular response of plant roots of a native species to allelopathy from an invasive weed. We examined the growth and development of roots of native Arabidopsis thaliana for a 2-week period after being treated with aqueous extracts at different concentrations from invasive Conyza canadensis. Extracts with higher concentration in the Murashige and Skoog (MS) media (i.e., 4 mg of extract/mL of MS) significantly affected the root growth of A. thaliana. Roots of A. thaliana displayed weakened root tip activity and an accumulation of reactive oxygen species (ROS) in response to extracts from C. canadensis. The transcriptome analysis of A. thaliana roots exposed to phytotoxicity revealed differentially expressed genes (DEGs) involved in cell wall formation, abiotic stress, transporter genes and signal transduction. We found that genes associated with nutrient transport, such as major facilitator superfamily (MFS) and amino acid permease (AAP3) transporters as well as genes involved in stress response, including leucine-rich repeat receptor-like protein kinases (LRR-RLKs) were down-regulated. In addition, we found that many transcription factors associated with plant stress (such as APETALA2/ethylene response factors) were up-regulated while others (e.g., zinc-finger proteins) were down-regulated. Allelochemicals from C. canadensis also induced the up-regulation of detoxification (DTX) genes, ROS related genes, calcineurin B-like interacting protein kinases (CIPKs) and calmodulin. Overall, our findings provided insights into allelopathy in C. canadensis at the molecular level, and contributes to our understanding of invasion mechanisms of alien plant species. CLINICAL TRIALS REGISTRATION: This study does not contain any studies with clinical trials performed by any of the authors.
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