PRJDB4514 Transcriptome analysis of Epipactis helleboreine var. sayekiana (Orchidaceae) We performed a transcriptome analysis of mycorrhizal roots of both green and albino Epipactis helleboreine (Orchidaceae) using a next-generation sequencing technology. Transcriptome analysis of Epipactis helleboreine var. sayekiana (Orchidaceae) bioproject PRJDB4514 PRJDB4514 true We performed a transcriptome analysis of mycorrhizal roots of both green and albino Epipactis helleboreine (Orchidaceae) using a next-generation sequencing technology.