Short‐ and Long‐term Effects of High Temperatures (47–49 °C) on Tobacco Leaves, in. Efflux and 32P Incorporation into Phospholipids

ALIZA BENZIONI; CHANAN ITAI

doi:10.1111/j.1399-3054.1973.tb08595.x

Short‐ and Long‐term Effects of High Temperatures (47–49 °C) on Tobacco Leaves, in. Efflux and ³²P Incorporation into Phospholipids

ALIZA BENZIONI, CHANAN ITAI

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

The efflux of ³⁶C and ¹⁴C metabolites from heat‐treated tissue was studied. A two‐minute heat treatment at 47.5°C increased the leakiness of the membranes. The heat effect may be reversed either by treatment with kinetin or may occur spontaneously with time. The spontaneous reversal is tem—perature dependent and resembles the recovery of CO₂ fixa—tion after heat treatment. The loss of membrane integrity is reflected in the rate of incorporation of ³²P into phospho—lipids.

Original language	English
Pages (from-to)	493-497
Number of pages	5
Journal	Physiologia Plantarum
Volume	28
Issue number	3
DOIs	https://doi.org/10.1111/j.1399-3054.1973.tb08595.x
State	Published - 1 Jan 1973
Externally published	Yes

ASJC Scopus subject areas

Physiology
Genetics
Plant Science
Cell Biology

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10.1111/j.1399-3054.1973.tb08595.x

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AB - The efflux of 36C and 14C metabolites from heat‐treated tissue was studied. A two‐minute heat treatment at 47.5°C increased the leakiness of the membranes. The heat effect may be reversed either by treatment with kinetin or may occur spontaneously with time. The spontaneous reversal is tem—perature dependent and resembles the recovery of CO2 fixa—tion after heat treatment. The loss of membrane integrity is reflected in the rate of incorporation of 32P into phospho—lipids.

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Short‐ and Long‐term Effects of High Temperatures (47–49 °C) on Tobacco Leaves, in. Efflux and ³²P Incorporation into Phospholipids

Abstract

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