{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhong R"],"funding":["U.S. Department of Energy, Office of Science, Basic Energy Sciences","National Institutes of Health","NIH HHS"],"pagination":["1064-1079"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7295396"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["61(6)"],"pubmed_abstract":["Xyloglucan is a major hemicellulose in plant cell walls and exists in two distinct types, XXXG and XXGG. While the XXXG-type xyloglucan from dicot species only contains O-acetyl groups on side-chain galactose (Gal) residues, the XXGG-type xyloglucan from Poaceae (grasses) and Solanaceae bears O-acetyl groups on backbone glucosyl (Glc) residues. Although O-acetyltransferases responsible for xyloglucan Gal acetylation have been characterized, the biochemical mechanism underlying xyloglucan backbone acetylation remains to be elucidated. In this study, we showed that recombinant proteins of a group of DUF231 members from rice and tomato were capable of transferring acetyl groups onto O-6 of Glc residues in cello-oligomer acceptors, indicating that they are xyloglucan backbone 6-O-acetyltransfe"],"journal":["Plant & cell physiology"],"pubmed_title":["A Group of O-Acetyltransferases Catalyze Xyloglucan Backbone Acetylation and Can Alter Xyloglucan Xylosylation Pattern and Plant Growth When Expressed in Arabidopsis."],"pmcid":["PMC7295396"],"funding_grant_id":["S10 OD025118","DE-FG02-03ER15415"],"pubmed_authors":["Zhong R","Ye ZH","Phillips DR","Richardson EA","Cui D"],"additional_accession":[]},"is_claimable":false,"name":"A Group of O-Acetyltransferases Catalyze Xyloglucan Backbone Acetylation and Can Alter Xyloglucan Xylosylation Pattern and Plant Growth When Expressed in Arabidopsis.","description":"Xyloglucan is a major hemicellulose in plant cell walls and exists in two distinct types, XXXG and XXGG. While the XXXG-type xyloglucan from dicot species only contains O-acetyl groups on side-chain galactose (Gal) residues, the XXGG-type xyloglucan from Poaceae (grasses) and Solanaceae bears O-acetyl groups on backbone glucosyl (Glc) residues. Although O-acetyltransferases responsible for xyloglucan Gal acetylation have been characterized, the biochemical mechanism underlying xyloglucan backbone acetylation remains to be elucidated. In this study, we showed that recombinant proteins of a group of DUF231 members from rice and tomato were capable of transferring acetyl groups onto O-6 of Glc residues in cello-oligomer acceptors, indicating that they are xyloglucan backbone 6-O-acetyltransfe","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Jun","modification":"2026-04-07T18:47:43.02Z","creation":"2021-03-16T08:12:19Z"},"accession":"S-EPMC7295396","cross_references":{"pubmed":["32167545"],"doi":["10.1093/pcp/pcaa031"]}}