NDLI: Leaf rolling effects on lipid and fatty acid composition in Ctenanthe setosa (Marantaceae) subjected to water-deficit stress

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Leaf rolling effects on lipid and fatty acid composition in Ctenanthe setosa (Marantaceae) subjected to water-deficit stress

Content Provider	Springer Nature Link
Author	Ayaz, F. Ahmet Kadioglu, Asım Dogru, Ali
Copyright Year	2001
Abstract	Vegetatively propagated Ctenanthe setosa (Rosc.) Eichler (Marantaceae) plants were grown in plastic pots under laboratory irrigation and water deficit conditions. One set of plants was submitted to water irrigation regularly and another set of plants was submitted to water deficit conditions. After a 28 d water deficit stress, the leaves started to roll. Approximately after 33–35 d, the leaves were tightly rolled. Water stress significantly increased the dry weight of rolled leaves. After the 35 d period of water deficit the open (non-stressed) and rolled (stressed, water deficit) leaves were harvested for lipid content and class compositional analysis. The fatty acids consistently identified in phospholipids and glycolipids as well as in total leaf lipid were 16:0, 18:0, 18:1, 18:2 and 18:3. The 16:0, 18:3 and 18:1 acids in control plant and 18:2, 16:0 and 18:3 acids in rolled leaves were determined as the major fatty acids. While the percentage composition of 16:0, 18:1 and 18:3 acids decreased in rolled leaves, the level of 18:2 acid increased. However, the percentage composition of unsaturation in phospholipid (71%) and glycolipid (80.4%) fractions in rolled leaves were found higher than in control leaves. The results show that the degree of unsaturation in phospholipid, glycolipid and total lipid was significantly altered during leaf rolling. The increase in unsaturation degree may regulate membrane permeability and thus adapt the leaves to water stress in the drought environment.
Starting Page	43
Ending Page	47
Page Count	5
File Format	PDF
ISSN	01375881
Journal	Acta Physiologiae Plantarum
Volume Number	23
Issue Number	1
e-ISSN	18611664
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	lipids Ctenanthe setosa water deficit stress leaf rolling Plant Physiology Plant Genetics & Genomics Plant Biochemistry Plant Pathology Plant Anatomy/Development Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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