2015
DOI: 10.1111/nph.13427
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Combined genetic and transcriptomic analysis reveals three major signalling pathways activated by Myc‐LCOs in Medicago truncatula

Abstract: SummaryMyc-LCOs are newly identified symbiotic signals produced by arbuscular mycorrhizal (AM) fungi. Like rhizobial Nod factors, they are lipo-chitooligosaccharides that activate the common symbiotic signalling pathway (CSSP) in plants. To increase our limited understanding of the roles of Myc-LCOs we aimed to analyse Myc-LCO-induced transcriptional changes and their genetic control.Whole genome RNA sequencing (RNA-seq) was performed on roots of Medicago truncatula wild-type plants, and dmi3 and nsp1 symbioti… Show more

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Cited by 56 publications
(56 citation statements)
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References 123 publications
(256 reference statements)
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“…As DMI2 is part of the CSSP and PUB1 is induced by Myc-LCOs (Camps et al, 2015), PUB1 could be involved in the AM symbiosis through its interaction with DMI2. To examine this hypothesis we analyzed the spatial expression patterns of DMI2 and PUB1 during AM fungal colonization.…”
Section: Pub1 Is Expressed Throughout Am Fungal Colonizationmentioning
confidence: 99%
“…As DMI2 is part of the CSSP and PUB1 is induced by Myc-LCOs (Camps et al, 2015), PUB1 could be involved in the AM symbiosis through its interaction with DMI2. To examine this hypothesis we analyzed the spatial expression patterns of DMI2 and PUB1 during AM fungal colonization.…”
Section: Pub1 Is Expressed Throughout Am Fungal Colonizationmentioning
confidence: 99%
“…3). A total of 12 developmental stages of S. meliloti nodulation were investigated, ranging from the initial stages of interaction with the rhizobia (Larrainzar et al, 2015) to senescing nodule organs, as well as root tissue treated with sulfated and nonsulfated Myc-LCOs, representing a single early signaling step in mycorrhizal colonization (Camps et al, 2015).…”
Section: Symbiosismentioning
confidence: 99%
“…RNA-seq data covering early rhizobial infection events at nine time points between 0 and 48 h post inoculation (hpi) were obtained from Larrainzar et al (2015). RNA-seq data of roots inoculated with sulfated (blue) or nonsulfated (red) synthetic Myc-LCO molecules were obtained from Camps et al (2015). RNA-seq data covering nodule development from 4 to 28 d post inoculation (dpi) were generated in house.…”
Section: Macronutrient Deficienciesmentioning
confidence: 99%
See 1 more Smart Citation
“…5,6 The gene expression changes that underlie symbiotic development have been documented through detailed transcript profiling 7,8 and some transcriptional regulators have been identified, some of which are downstream components of the symbiosis signaling pathway. 4,[9][10][11] Development of AM symbiosis is also influenced by plant hormones and treatment of roots with gibberellic acid (GA) leads either to alterations in fungal entry into the root or abolishes arbuscule development.…”
Section: Introductionmentioning
confidence: 99%