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Science 10 December 1982:
Vol. 218. no. 4577, pp. 1141 - 1142
DOI: 10.1126/science.218.4577.1141
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Articles

Experimental Induction of Altered Nonmicrofibrillar Cellulose

R. MALCOLM BROWN JR. 1, CANDACE HAIGLER 1, and KAY COOPPER 1

1 Department of Botany, University of North Carolina, Chapel Hill 27514

Cellulose produced by Acetobacter xylinum was experimentally modified during its biosynthesis. In the presence of fluorescent brightening agents, such as Calcofluor White M2R or Tinopal LPW, nonmicrofibrillar sheets of cellulose were synthesized by the bacteria. These sheets could then be converted to fibrils by washing with distilled water. Possible mechanisms for these modifications of cellulose assembly are disscussed.

Submitted on May 26, 1982
Revised on September 14, 1982


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Science. ISSN 0036-8075 (print), 1095-9203 (online)