{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kaszler N"],"funding":["János Bolyai Research Scholarship of the Hungarian Academy of Sciences","New National Excellence Program of the Ministry for Innovation and Technology","National Research, Development, and Innovation Fund"],"pagination":["454"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9920396"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(3)"],"pubmed_abstract":["Lateral root primordia (LRPs) of Arabidopsis can be directly converted to shoot meristems (SMs) by the application of exogenous cytokinin. Here, we report that Arabidopsis POLYAMINE OXIDASE 5 (AtPAO5) contributes to this process, since the rate of SM formation from LRPs was significantly lower in the <i>pao5-2</i> knockout mutant. Furthermore, the presented experiments showed that AtPAO5 influences SM formation via controlling the thermospermine (T-Spm) level. Gene expression analyses supported the view that the <i>pao5-2</i> mutation as well as exogenous T-Spm downregulate the expression of the class 3 haemoglobin coding genes <i>AtGLB1</i> and <i>AtGLB2</i>. AtGLB1 and 2 have been reported to augment cytokinin sensitivity, indirectly inhibiting the expression of type-A ARABIDOPSIS RESPON"],"journal":["Plants (Basel, Switzerland)"],"pubmed_title":["Absence of Arabidopsis Polyamine Oxidase 5 Influences the Cytokinin-Induced Shoot Meristem Formation from Lateral Root Primordia."],"pmcid":["PMC9920396"],"funding_grant_id":["FK 128997","00580/19/8","UNKP-21-5-SZTE-587"],"pubmed_authors":["Kaszler N","Feher A","Molnar A","Benko P","Gemes K","Zambori A"],"additional_accession":[]},"is_claimable":false,"name":"Absence of Arabidopsis Polyamine Oxidase 5 Influences the Cytokinin-Induced Shoot Meristem Formation from Lateral Root Primordia.","description":"Lateral root primordia (LRPs) of Arabidopsis can be directly converted to shoot meristems (SMs) by the application of exogenous cytokinin. Here, we report that Arabidopsis POLYAMINE OXIDASE 5 (AtPAO5) contributes to this process, since the rate of SM formation from LRPs was significantly lower in the <i>pao5-2</i> knockout mutant. Furthermore, the presented experiments showed that AtPAO5 influences SM formation via controlling the thermospermine (T-Spm) level. Gene expression analyses supported the view that the <i>pao5-2</i> mutation as well as exogenous T-Spm downregulate the expression of the class 3 haemoglobin coding genes <i>AtGLB1</i> and <i>AtGLB2</i>. AtGLB1 and 2 have been reported to augment cytokinin sensitivity, indirectly inhibiting the expression of type-A ARABIDOPSIS RESPON","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-25T19:17:47.792Z","creation":"2025-04-06T07:57:34.474Z"},"accession":"S-EPMC9920396","cross_references":{"pubmed":["36771539"],"doi":["10.3390/plants12030454"]}}