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In anthers, the tapetum synthesizes and stores proteins and flavonoids, which will be transferred to the surface of adjacent microspores. The mechanism of synthesis, storage, and transfer of these pollen-coat materials in maize (Zea mays) differs completely from that reported in Arabidopsis (Arabidopsis thaliana), which stores major pollen-coat materials in(More)
The complete amino acid sequence of antiviral protein from the seeds of pokeweed (Phytolacca americana) has been determined. This has been done by the sequence analysis of peptides derived by enzymatic digestion with trypsin, pepsin, and lysylendopeptidase, as well as by chemical cleavage with cyanogen bromide. The protein consists of 261 amino acid(More)
Glycosylation-site-containing peptides were isolated from the proteolytic digests of luffin-a, luffin-b, PAP-S and CNBr-fragments of PAP-S by reverse-phase HPLC, and their amino acid compositions and sequences were analyzed. Six peptides were obtained from luffin-a, and three each from luffin-b and PAP-S. All of these peptides were negative toward the(More)
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