Reports

Glycogen Plastids in Müllerian Body Cells of Cecropia peltata—A Higher Green Plant

Science  23 Jul 1971:
Vol. 173, Issue 3994, pp. 344-347
DOI: 10.1126/science.173.3994.344

Abstract

A glycogen-containing plastid has been found in the cells of Müllerian bodies on Cecropia peltata (Moraceae) trees. Plastids in cells of the leaf blade, petiole, and stem are of the usual chloroplast type and contain starch grains only. Müllerian bodies exist for the purpose of providing a food supply for a protective, mutualistically inhabiting ant population. A series of chemical tests and observations indicates that this glycogen is identical to animal glycogen.

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