Regulation of lycopene formation in cell suspension culture of VFNT tomato (Lycopersicon esculentum) by CPTA, growth regulators, sucrose, and temperature

The onium compound 2–(4-chlorophenylthio)-triethylamine (CPTA) was used to increase lycopene formation to levels approximating those in field–or glasshousegrown fruit, and then growth regulators, sucrose and temperature were used to regulate lycopene accumulation. It was found that the native auxin...

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Bibliographic Details
Published in:Journal of experimental botany 1995-06, Vol.46 (6), p.667-673
Main Authors: Robertson, G.H., Mahoney, N.E., Goodman, N., Pavlath, A.E.
Format: Article
Language:English
Subjects:
Auxins
Biological and medical sciences
Cell culture techniques
Cell growth
Chemical suspensions
Cultured cells
Fructification and ripening
Fruits
Fundamental and applied biological sciences. Psychology
lycopene
Physiological regulation
Plant cells
Plant growth regulators
Plant physiology and development
Research Papers
Ripening
Suspension culture
tomato
Vegetative and sexual reproduction, floral biology, fructification
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Summary:The onium compound 2–(4-chlorophenylthio)-triethylamine (CPTA) was used to increase lycopene formation to levels approximating those in field–or glasshousegrown fruit, and then growth regulators, sucrose and temperature were used to regulate lycopene accumulation. It was found that the native auxin indole–3– acetic acid (IAA) was substantially more effective than 2,4-dichlorophenoxyacetic acid (2,4–D) in promoting lycopene formation, sucrose inhibited lycopene formation (cell basis), and temperature produced a pattern similar to that observed in the field with a temperature optimum between 18 and 26 °C. Suggestions for further improvements in technique are included.
ISSN:0022-0957
1460-2431
DOI:10.1093/jxb/46.6.667