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Secretion of photosynthetic products by carrot tissue cultures

✍ Scribed by A. D. Hanson; J. Edelman

Publisher: Springer-Verlag
Year: 1971
Tongue: English
Weight: 582 KB
Volume: 98
Category: Article
ISSN: 0032-0935
DOI: 10.1007/bf00385342

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✦ Synopsis

Green carrot callus cultures when exposed to ltC02 in a liquid medium showed light-dependent 14C-incorporation into sucrose, glutamine and malic acid. About 5 % of total ltC fixed in a 3 h period appeared in these products in the bathing medium; this was not due to tissue damage. Kinetic studies showed that the release occurred from a metabolic and not a storage compartment. The effects of DCMU, temperature and fluoroacetate demonstrated that release from this compartment was under respiratory and not photosynthetic control.

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