Try this link https://rapdb.dna.affrc.go.jp/tools/converter

Otherwise you have to use Ensembl Plants https://plants.ensembl.org/Oryza_sativa/Info/Index

through biomaRt

https://bioconductor.org/packages/release/bioc/vignettes/biomaRt/inst/doc/biomaRt.html

Thank you !

following

If we have less than 500 genes, we can use the Plant BioMart link https://plants.ensembl.org/biomart/martview . For a larger list, we can use the R Package biomaRt ( https://bioconductor.org/packages/release/bioc/html/biomaRt.html ) as given by Dr. Barah.Here, we have to set the database as (host = "plants.ensembl.org") and parse the list of OS IDs