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Ultrastructural and Chemical Evidence That the Cell Wall of Green Cotton Fiber is Suberized

Overview
Journal Plant Physiol
Specialty Physiology
Date 1983 Oct 1
PMID 16663251
Citations 13
Authors
L Y Yatsu
K E Espelie
P E Kolattukudy
Affiliations
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Abstract

Green cotton (Gossypium hirsutum L.) fibers were shown by electron microscopy to have numerous thin concentric rings around the lumen of the cell. These rings possessed a lamellar fine structure characteristic of suberin. LiA1D(4) depolymerization and gas chromatography-mass spectrometry analysis showed the presence of a suberin polymer in the green cotton with the major aliphatic monomers being omega-hydroxydocosanoic acid (70%) and docosanedoic acid (25%). Ordinary white cotton was shown by chemical and ultrastructural examination to be encircled by a thin cuticular polymer containing less than 0.5% of the aliphatic components found in green cotton.

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References
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