biostudies-literatureLi ZNational Natural Science Foundation of China1944https://www.ebi.ac.uk/biostudies/studies/S-EPMC11900962biostudies-literatureUnknown26(5)Intercellular communication mediated by CLAVATA3/EMBRYO SURROUNDING REGION-RELATED (CLE) peptides and their receptors is crucial for plant development and environmental adaptation. In this study, 45 and 89 CLEs were identified in Populus tomentosa and Populus alba × Populus glandulosa, respectively, and, together with the 52 CLEs in Populus trichocarpa, the chromosome localization, gene and protein characteristics, collinearity and gene duplication events, cis-acting regulatory elements in promoters and evolutionary relationships of CLEs in these three poplar species were analyzed. The CLEs of three poplar species were divided into four subfamilies. Among them, the CLEs in subfamilies I, II and IV were A-type CLEs, whileInternational journal of molecular sciencesGenome-Wide Identification and Functional Analysis of CLAVATA3/EMBRYO SURROUNDING REGION-RELATED (CLE) in Three Populus Species.PMC1190096232071734Tang XLWang HLLi ZNiu HQHuang MBXia XLLiu CLi MMLiu YQYin WLChen FXfalseGenome-Wide Identification and Functional Analysis of CLAVATA3/EMBRYO SURROUNDING REGION-RELATED (CLE) in Three Populus Species.Intercellular communication mediated by CLAVATA3/EMBRYO SURROUNDING REGION-RELATED (CLE) peptides and their receptors is crucial for plant development and environmental adaptation. In this study, 45 and 89 CLEs were identified in Populus tomentosa and Populus alba × Populus glandulosa, respectively, and, together with the 52 CLEs in Populus trichocarpa, the chromosome localization, gene and protein characteristics, collinearity and gene duplication events, cis-acting regulatory elements in promoters and evolutionary relationships of CLEs in these three poplar species were analyzed. The CLEs of three poplar species were divided into four subfamilies. Among them, the CLEs in subfamilies I, II and IV were A-type CLEs, while2025-01-01T00:00:00Z2025 Feb2025-04-04T01:29:28.526Z2025-04-04T01:29:28.526ZS-EPMC119009624007658210.3390/ijms26051944