Summary
The spikes ofAcanthosphaera zachariasi (Chlorococcales) were tested for lectin binding, staining reactions, solubility in trifluoroacetic acid (TFA) and with X-ray diffraction. The matrix stains only with Concanavalin A, not with different other lectins. The TFA resistant part is shown in negative stain to consist of ribbon-like fibrils with kinking sites. The spikes reveal a cellulose I-like X-ray diffraction pattern. It is concluded that they consist of cellulose associated with non-cellulosic matrix components.
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Herth, W., Schnepf, E. & Surek, B. The composition of the spikes ofAcanthosphaera zachariasi (Chlorococcales): Investigations with fluorescent lectins and with X-ray diffraction. Protoplasma 110, 196–202 (1982). https://doi.org/10.1007/BF01283322
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DOI: https://doi.org/10.1007/BF01283322