2022
DOI: 10.1134/s1607672922010021
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The Melatonin Receptor CAND2/PMTR1 Is Involved in the Regulation of Mitochondrial Gene Expression under Photooxidative Stress

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Cited by 9 publications
(4 citation statements)
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“…Since the first report, proteins with similarity to CAND2/PMTR1 have been identified in Panax notoginseng [ 119 ], Nicotiana benthamiana [ 120 ], Medicago sativa [ 121 ], Zea mays [ 122 ], and Gossypium hirsutum [ 123 ]. In CAND2/PMTR1 knock-out mutants or overexpressed plants, stomatal closure [ 21 , 124 ], immunity [ 119 , 120 ], osmotic stress tolerance [ 125 ], salt and osmotic stress tolerance [ 121 , 122 ] and mitochondrial gene expression [ 126 ] were affected, supporting the idea that the CAND2/PMTR1 is the actual phytomelatonin receptor. However, some researchers questioned the conclusion that CAND2/PMTR1 is a receptor for phytomelatonin because they obtained different results in Arabidopsis [ 127 ], whereas CAND2/PMTR1 was first reported to be the receptor for phytomelatonin [ 21 ].…”
Section: Receptorsmentioning
confidence: 95%
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“…Since the first report, proteins with similarity to CAND2/PMTR1 have been identified in Panax notoginseng [ 119 ], Nicotiana benthamiana [ 120 ], Medicago sativa [ 121 ], Zea mays [ 122 ], and Gossypium hirsutum [ 123 ]. In CAND2/PMTR1 knock-out mutants or overexpressed plants, stomatal closure [ 21 , 124 ], immunity [ 119 , 120 ], osmotic stress tolerance [ 125 ], salt and osmotic stress tolerance [ 121 , 122 ] and mitochondrial gene expression [ 126 ] were affected, supporting the idea that the CAND2/PMTR1 is the actual phytomelatonin receptor. However, some researchers questioned the conclusion that CAND2/PMTR1 is a receptor for phytomelatonin because they obtained different results in Arabidopsis [ 127 ], whereas CAND2/PMTR1 was first reported to be the receptor for phytomelatonin [ 21 ].…”
Section: Receptorsmentioning
confidence: 95%
“…MAPK activation occurs independently of GPA1 [ 119 ], while stomatal closure is dependent on GPA1 [ 119 ]. The mechanisms that regulate ABA biosynthesis [ 22 ], salicylic acid accumulation [ 120 ], expression of PR genes [ 120 ], mitochondrial gene expression [ 126 ], ROS scavenging activity [ 125 ], and tolerance to salt [ 123 ], drought [ 122 ], and osmotic [ 125 ] stress under the regulation of CAND2/PMTR1 are not yet fully understood. Dephosphorylation of CAND2/PMTR1 abolishes the binding of melatonin to CAND2/PMTR1 [ 128 ].…”
Section: Figurementioning
confidence: 99%
“…reviewed ( Zhang et al., 2022 ) that the first MT receptor in Arabidopsis was the candidate G protein-coupled receptor 2 (CAND2), a membrane protein that readily binds to MT ( Wei et al., 2018 ). Research has demonstrated that the introduction of melatonin from an external source can induce the upregulation of the genes RPOTm and RPOTmp through the CAND2 receptor and its G protein alpha subunit (GP A1) ( Bychkov et al., 2022 ). Arabidopsis Cand2/pmrt1, which is located at the plasma membrane, is known to interact with GPA1 and control stomatal movement by means of the NADPH oxidase-mediated reactive oxygen species (ROS) signaling pathway ( Li et al., 2020 ).…”
Section: Plant Growth Promotersmentioning
confidence: 99%
“…The first phytomelatonin receptor in Arabidopsis thaliana , candidate G-protein coupled receptor 2 ( CAND2 ), a membrane protein that binds readily with melatonin, was identified in 2018 [ 12 ]. Treatment with exogenous melatonin at a 50 μM concentration upregulated the RNA polymerase genes RPOTm and RPOTmp by promoting the CAND2 receptor and heterotrimeric G protein α subunit ( GPA1 ) coupled to CAND2 [ 13 ]. In Arabidopsis , Cand2/pmrt1 is located on the plasma membrane (PM), interacts with GPA1 , and regulates stomatal movement via the reactive oxygen species (ROS) signaling pathway mediated by NADPH oxidase [ 14 ].…”
Section: Melatonin Signaling In Plantsmentioning
confidence: 99%