Conversion of Proplastids to Amyloplasts in Tobacco Cultured Cells Is Accompanied by Changes in the Transcriptional Activities of Plastid Genes | Zendy

Atsushi Sakai | Zendy; Shigeyuki Kawano | Zendy; Tsuneyoshi Kuroiwa | Zendy

Open Access

Conversion of Proplastids to Amyloplasts in Tobacco Cultured Cells Is Accompanied by Changes in the Transcriptional Activities of Plastid Genes

Author(s) -

Atsushi Sakai,

Shigeyuki Kawano,

Tsuneyoshi Kuroiwa

Publication year - 1992

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.100.2.1062

Subject(s) - amyloplast , plastid , nicotiana tabacum , biology , gene , cytokinin , auxin , microbiology and biotechnology , cell culture , transcription (linguistics) , nucleoid , plant cell , chromoplast , in vitro , botany , chloroplast , genetics , escherichia coli , linguistics , philosophy

When tobacco (Nicotiana tabacum L.) cultured cells (line BY-2) at the stationary phase were transferred to culture medium that contained cytokinin (benzyladenine) instead of auxin (2,4-dichlorophenoxyacetic acid), proplastids in the BY-2 cells were converted to amyloplasts within 48 h. The data obtained from in vitro transcription assays using isolated plastid-nucleoids (nuclei) strongly suggested that amyloplast formation in BY-2 cells was accompanied by changes in the transcriptional activities of plastid genes.

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