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dc.contributor.authorChoi, Jeongmin
dc.contributor.authorLee, Tak
dc.contributor.authorCho, Jungnam
dc.contributor.authorServante, Emily K.
dc.contributor.authorPucker, Boas
dc.contributor.authorSummers, William
dc.contributor.authorBowden, Sarah
dc.contributor.authorRahimi, Mehran
dc.contributor.authorAn, Kyungsook
dc.contributor.authorAn, Gynheung
dc.contributor.authorBouwmeester, Harro J.
dc.contributor.authorWallington, Emma J.
dc.contributor.authorOldroyd, Giles
dc.contributor.authorPaszkowski, Uta.
dc.date.accessioned2021-04-30T15:28:36Z
dc.date.available2021-04-30T15:28:36Z
dc.date.issued2020-04-30
dc.date.submitted2019-12-23
dc.identifier.others41467-020-16021-1
dc.identifier.other16021
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/321775
dc.description.abstractAbstract: Most plants associate with beneficial arbuscular mycorrhizal (AM) fungi that facilitate soil nutrient acquisition. Prior to contact, partner recognition triggers reciprocal genetic remodelling to enable colonisation. The plant Dwarf14-Like (D14L) receptor conditions pre-symbiotic perception of AM fungi, and also detects the smoke constituent karrikin. D14L-dependent signalling mechanisms, underpinning AM symbiosis are unknown. Here, we present the identification of a negative regulator from rice, which operates downstream of the D14L receptor, corresponding to the homologue of the Arabidopsis thaliana Suppressor of MAX2-1 (AtSMAX1) that functions in karrikin signalling. We demonstrate that rice SMAX1 is a suppressor of AM symbiosis, negatively regulating fungal colonisation and transcription of crucial signalling components and conserved symbiosis genes. Similarly, rice SMAX1 negatively controls strigolactone biosynthesis, demonstrating an unexpected crosstalk between the strigolactone and karrikin signalling pathways. We conclude that removal of SMAX1, resulting from D14L signalling activation, de-represses essential symbiotic programmes and increases strigolactone hormone production.
dc.languageen
dc.publisherNature Publishing Group UK
dc.subjectArticle
dc.subject/631/449
dc.subject/631/449/2676
dc.subject/631/449/2676/2061
dc.subject/96/95
dc.subject/38/91
dc.subject/14/19
dc.subject/38/77
dc.subject/45
dc.subject/45/70
dc.subjectarticle
dc.titleThe negative regulator SMAX1 controls mycorrhizal symbiosis and strigolactone biosynthesis in rice
dc.typeArticle
dc.date.updated2021-04-30T15:28:34Z
prism.issueIdentifier1
prism.publicationNameNature Communications
prism.volume11
dc.identifier.doi10.17863/CAM.69232
dcterms.dateAccepted2020-04-08
rioxxterms.versionofrecord10.1038/s41467-020-16021-1
rioxxterms.versionVoR
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
dc.contributor.orcidLee, Tak [0000-0001-7008-7605]
dc.contributor.orcidCho, Jungnam [0000-0002-4078-7763]
dc.contributor.orcidPucker, Boas [0000-0002-3321-7471]
dc.contributor.orcidSummers, William [0000-0002-4835-4743]
dc.contributor.orcidBowden, Sarah [0000-0001-5105-076X]
dc.contributor.orcidBouwmeester, Harro J. [0000-0003-0907-2732]
dc.contributor.orcidWallington, Emma J. [0000-0003-3715-7901]
dc.contributor.orcidOldroyd, Giles [0000-0002-5245-6355]
dc.contributor.orcidPaszkowski, Uta. [0000-0002-7279-7632]
dc.identifier.eissn2041-1723
pubs.funder-project-idEuropean Molecular Biology Organization (EMBO) (ALTF 117-2014)
pubs.funder-project-idLeverhulme Trust (EFC 2016-392)
pubs.funder-project-idRCUK | Biotechnology and Biological Sciences Research Council (BBSRC) (BB/P003419/1, BB/P003176/1)
pubs.funder-project-idBill and Melinda Gates Foundation (Bill & Melinda Gates Foundation) (OPP1028264)
pubs.funder-project-idEC | EU Framework Programme for Research and Innovation H2020 | H2020 Priority Excellent Science | H2020 European Research Council (H2020 Excellent Science - European Research Council) (CHEMCOMRHIZO 670211)


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