NDLI: Proline metabolism and transport in plant development

Content Provider	Springer Nature Link
Author	Lehmann, Silke Funck, Dietmar Szabados, László Rentsch, Doris
Copyright Year	2010
Abstract	Proline fulfils diverse functions in plants. As amino acid it is a structural component of proteins, but it also plays a role as compatible solute under environmental stress conditions. Proline metabolism involves several subcellular compartments and contributes to the redox balance of the cell. Proline synthesis has been associated with tissues undergoing rapid cell divisions, such as shoot apical meristems, and appears to be involved in floral transition and embryo development. High levels of proline can be found in pollen and seeds, where it serves as compatible solute, protecting cellular structures during dehydration. The proline concentrations of cells, tissues and plant organs are regulated by the interplay of biosynthesis, degradation and intra- as well as intercellular transport processes. Among the proline transport proteins characterized so far, both general amino acid permeases and selective compatible solute transporters were identified, reflecting the versatile role of proline under stress and non-stress situations. The review summarizes our current knowledge on proline metabolism and transport in view of plant development, discussing regulatory aspects such as the influence of metabolites and hormones. Additional information from animals, fungi and bacteria is included, showing similarities and differences to proline metabolism and transport in plants.
Starting Page	949
Ending Page	962
Page Count	14
File Format	PDF
ISSN	09394451
Journal	Amino Acids
Volume Number	39
Issue Number	4
e-ISSN	14382199
Language	English
Publisher	Springer Vienna
Publisher Date	2010-03-05
Publisher Place	Vienna
Access Restriction	Subscribed
Subject Keyword	Proline Plant Metabolism Transport Regulation Development Neurobiology Proteomics Life Sciences Biochemical Engineering Analytical Chemistry Biochemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Clinical Biochemistry

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