{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["8(4)"],"submitter":["Li MH"],"pubmed_abstract":["To improve our understanding of the origin and evolution of mycoheterotrophic plants, we here present the chromosome-scale genome assemblies of two sibling orchid species: partially mycoheterotrophic Platanthera zijinensis and holomycoheterotrophic Platanthera guangdongensis. Comparative analysis shows that mycoheterotrophy is associated with increased substitution rates and gene loss, and the deletion of most photoreceptor genes and auxin transporter genes might be linked to the unique phenotypes of fully mycoheterotrophic orchids. Conversely, trehalase genes that catalyse the conversion of trehalose into glucose have expanded in most sequenced orchids, in line with the fact that the germination of orchid non-endosperm seeds needs carbohydrates from fungi during the protocorm stage. We fu"],"journal":["Nature plants"],"pagination":["373-388"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9023349"],"repository":["biostudies-literature"],"pubmed_title":["Genomes of leafy and leafless Platanthera orchids illuminate the evolution of mycoheterotrophy."],"pmcid":["PMC9023349"],"pubmed_authors":["Sun WH","Liu DK","Zhang D","Hsiao YY","Ma L","Huang J","Li CY","Jiang YT","Wu WL","Tsai WC","Hao Y","Huang L","Zhao X","Liu X","Luo YB","Zhai JW","Zou SQ","Ye QL","Wang ZW","Yu X","Tu XD","Ai Y","Chen GZ","Hsu JL","Peng DH","Zhong ZM","Li MH","Chen J","Liao XY","Chen YY","Wang JY","Li YF","Zhou Z","Lan S","Chen YQ","Zhong WY","Huang MZ","Li Z","Chen SP","Liu ZJ","Lu HC","Lin YF","Ma XK","Liu KW","Liu B","Wu SS","Van de Peer Y"],"additional_accession":[]},"is_claimable":false,"name":"Genomes of leafy and leafless Platanthera orchids illuminate the evolution of mycoheterotrophy.","description":"To improve our understanding of the origin and evolution of mycoheterotrophic plants, we here present the chromosome-scale genome assemblies of two sibling orchid species: partially mycoheterotrophic Platanthera zijinensis and holomycoheterotrophic Platanthera guangdongensis. Comparative analysis shows that mycoheterotrophy is associated with increased substitution rates and gene loss, and the deletion of most photoreceptor genes and auxin transporter genes might be linked to the unique phenotypes of fully mycoheterotrophic orchids. Conversely, trehalase genes that catalyse the conversion of trehalose into glucose have expanded in most sequenced orchids, in line with the fact that the germination of orchid non-endosperm seeds needs carbohydrates from fungi during the protocorm stage. We fu","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Apr","modification":"2026-05-31T06:06:16.229Z","creation":"2025-02-19T01:55:25.404Z"},"accession":"S-EPMC9023349","cross_references":{"pubmed":["35449401"],"doi":["10.1038/s41477-022-01127-9"]}}