{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Pozhvanov G"],"funding":["Russian Science Foundation"],"pagination":["209"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10819476"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(2)"],"pubmed_abstract":["Gravitropism is the plant organ bending in response to gravity. Gravitropism, phototropism and sufficient mechanical strength define the optimal position of young shoots for photosynthesis. Etiolated wild-type Arabidopsis seedlings grown horizontally in the presence of sucrose had a lot more upright hypocotyls than seedlings grown without sucrose. We studied the mechanism of this effect at the level of cell wall biomechanics and biochemistry. Sucrose strengthened the bases of hypocotyls and decreased the content of mannans in their cell walls. As sucrose is known to increase the gravitropic bending of hypocotyls, and mannans have recently been shown to interfere with this process, we examined if the effect of sucrose on shoot gravitropism could be partially mediated by mannans. We compared"],"journal":["Plants (Basel, Switzerland)"],"pubmed_title":["Sucrose and Mannans Affect Arabidopsis Shoot Gravitropism at the Cell Wall Level."],"pmcid":["PMC10819476"],"funding_grant_id":["23-24-00379"],"pubmed_authors":["Suslov D","Pozhvanov G"],"additional_accession":[]},"is_claimable":false,"name":"Sucrose and Mannans Affect Arabidopsis Shoot Gravitropism at the Cell Wall Level.","description":"Gravitropism is the plant organ bending in response to gravity. Gravitropism, phototropism and sufficient mechanical strength define the optimal position of young shoots for photosynthesis. Etiolated wild-type Arabidopsis seedlings grown horizontally in the presence of sucrose had a lot more upright hypocotyls than seedlings grown without sucrose. We studied the mechanism of this effect at the level of cell wall biomechanics and biochemistry. Sucrose strengthened the bases of hypocotyls and decreased the content of mannans in their cell walls. As sucrose is known to increase the gravitropic bending of hypocotyls, and mannans have recently been shown to interfere with this process, we examined if the effect of sucrose on shoot gravitropism could be partially mediated by mannans. We compared","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jan","modification":"2025-04-04T09:18:01.772Z","creation":"2025-04-04T09:18:01.772Z"},"accession":"S-EPMC10819476","cross_references":{"pubmed":["38256762"],"doi":["10.3390/plants13020209"]}}