Journal Article

Changes in Levels of mRNAs for Cell Wall-Related Enzymes in Growing Cotton Fiber Cells<sup>1</sup>

Yoshinori Shimizu, Satoshi Aotsuka, Osamu Hasegawa, Toshinari Kawada, Tomoyasu Sakuno, Fukumi Sakai and Takahisa Hayashi

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 38, issue 3, pages 375-378
Published in print January 1997 | ISSN: 0032-0781
Published online January 1997 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029178
Changes in Levels of mRNAs for Cell Wall-Related Enzymes in Growing Cotton Fiber Cells1

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mRNAs for cell wall-related enzymes in developing cotton fiber cells were measured by reverse transcription-PCR analysis. Both endo-l,4-β-glucanase and expansin mRNA levels were high during cell elongation but decreased when cell elongation ceased, and xyloglucan decreased. The endo-l,3-β-glucanase mRNA level was very low in the elongating cells but increased gradually at the onset of secondary wall synthesis, accompanying the massive deposition of cellulose. Endoxyloglucan transferase and sucrose synthase mRNA levels were constant during all stages of growth.

Keywords: Cotton fibers; Endo-l,3-β-glucanase; Endo-l,4-β-glucanase; Endoxyloglucan transferase; Expansin; Sucrose synthase

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Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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