Journal Article

Free Amino Acid Composition of Phloem Sap and Growing Fruit of <i>Lycopersicon esculentum</i>

Estela M. Valle, Silvana B. Boggio and Hans W. Heldt

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 39, issue 4, pages 458-461
Published in print April 1998 | ISSN: 0032-0781
Published online April 1998 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029391
Free Amino Acid Composition of Phloem Sap and Growing Fruit of Lycopersicon esculentum

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Pure phloem sap of tomato leaves was collected by stylectomy. Glutamine and glutamate were the predominant free amino acids translocated by the phloem stream. In developing fruits glutamine content increased significantly, reaching 35% of the total free amino acids. Comparison in the amino acid composition between the two tissues are discussed.

Keywords: Amino acid; GABA; Glutamine; Lycopersicon esculentum; Phloem sap; Tomato fruit

Journal Article.  0 words. 

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

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