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Physarochrome A, a plasmodial pigment from the slime mould physarum polycephalum (myxomycetes)

✍ Scribed by Bert Steffan; Monika Praemassing; Wolfgang Steglich

Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
240 KB
Volume
28
Category
Article
ISSN
0040-4039

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✦ Synopsis

From plasmodia of the slime mould Physarum polycephalum a yellow pigment physarochrome A (1) has been obtained. Its structure has been established as all-trans N-[ll-~2-acetylamino-3-hydroxyphenyl)-2,4,6,8,1O-undecapentaenoyl]-S-glutami(l) ij;, the basis of spectroscopic evidence and hydrogenation to a decahydro derivative.

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Plasmodia of the true slime molds Physarum polycephalum and Physarum nudum were grown on agar semidefined medium (J. W. Daniel and H. Baldwin (1964) in Methods in Cell Physiology (Precsott, D. M., Ed.), Vol. 1, pp. 9-44, Academic Press, New York.) and pigments were extracted from 8-day-old plasmodia