title: Instability of chromosomes and alkaloid content in cell lines derived from single protoplasts of cultured Coptis japonica cells.
mesh_terms: D001599:Berberine / Q000096:biosynthesis*; D001600:Berberine Alkaloids / Q000096:biosynthesis*; D002460:Cell Line; D002875:Chromosomes; D010944:Plants / Q000235:genetics* / Q000378:metabolism; D011523:Protoplasts
chemical_list: D001600:Berberine Alkaloids; D001599:Berberine