ArticleMycorrhiza2018
Expression of putative circadian clock components in the arbuscular mycorrhizal fungus Rhizoglomus irregulare.
Article in Mycorrhiza, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
8 citing papers in PubMed, 22 citations in OpenAlex.
- Structural Features of Algal and Fungal GATA Transcription Factors may Play a Role in Symbiosis.Journal of molecular evolution · 2026Article
- Low-complexity regions in fungi display functional groups and are depleted in positively charged amino acids.NAR genomics and bioinformatics · 2025Article
- Circadian rhythms: pervasive, and often times evasive.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Selection and Validation of Reference Genes for Reverse-Transcription Quantitative PCR Analysis inInternational journal of molecular sciences · 2023Article
- Article
- Identification and expression of functionally conserved circadian clock genes in lichen-forming fungi.Scientific reports · 2022Article
- Microbes in the Era of Circadian Medicine.Frontiers in cellular and infection microbiology · 2020Review
- Holobiont chronobiology: mycorrhiza may be a key to linking aboveground and underground rhythms.Mycorrhiza · 2019Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
Arbuscular mycorrhizal fungi (AMF) are obligatory plant symbionts that live underground, so few studies have examined their response to light. Responses to blue light by other fungi can be mediated by White Collar-1 (WC-1) and WC-2 proteins. These wc genes, together with the frequency gene (frq), also form part of the endogenous circadian clock. The clock mechanism has never been studied in AMF, although circadian growth of their hyphae in the field has been reported. Using both genomic and transcriptomic data, we have found homologs of wc-1, wc-2, and frq and related circadian clock genes in the arbuscular mycorrhizal fungus Rhizoglomus irregulare (synonym Rhizophagus irregularis). Gene expression of wc-1, wc-2, and frq was analyzed using RT-qPCR on RNA extracted from germinating spores and from fungal material cultivated in vitro with transformed carrot roots. We found that all three core clock genes were expressed in both pre- and post-mycorrhizal stages of R. irregulare growth. Similar to the model fungus Neurospora crassa, the core circadian oscillator gene frq was induced by brief light stimulation. The presence of circadian clock and output genes in R. irregulare opens the door to the study of circadian clocks in the fungal partner of plant-AMF symbiosis. Our finding also provides new insight into the evolution of the circadian frq gene in fungi.
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