Discovering new natural resources of polyphenols is the aim of many recent studies in the field of natural product research. This study tentatively investigated the polyphenols profile of the stems of seven Mammillaria species (M. rhodantha, M. spinosissima, M. hahniana, M. crucigera, M.
In vitro propagated plants of the cactus Mammillaria gracillis Pfeiff. (Cactaceae) spontaneously produced callus. The habituated callus regenerated normal and hyperhydric shoots without the addition of grown regulators. Tumours were obtained by infecting cactus explants with Agrobacterium
The structure elucidation of protein-linked N-glycans in plants has raised interest in the past years due to remarkable physiological roles attributed to these modifications. However, little information about the glycoprotein patterns related to plant cell differentiation, dedifferentiation and
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