Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3597
Title: THE PATTERN OF CYTOKININ CONTENT IN TRANSGENIC AND WILD-TYPE TOBACCO SEEDLINGS AS AFFECTED BY HEAT-SHOCK
Authors: VESELOV, SY
Kudoyarova, G.R.
Mustafina, A.
VALCKE, Roland 
Issue Date: 1995
Publisher: MAIK NAUKA/INTERPERIODICA
Source: RUSSIAN JOURNAL OF PLANT PHYSIOLOGY, 42(5). p. 617-620
Abstract: The pattern of the endogenous cytokinin content was monitored during the day in the shoots of transgenic tobacco plants (Nicotiana tabacum L.) containing a heat-inducible ipt gene responsible for isopentenyl-transferase synthesis. Heating transgenic plants at 40 degrees C for 1 h yielded an increase in endogenous cytokinins, as compared to the normal level in the plants kept at 24 degrees C for the whole period. However, this increase was not permanent, as after five hours following heat-shock treatment, there was essentially no difference in cytokinin content between heated and untreated plants. In the shoots of wild-type tobacco, heat shock activated the processes diminishing cytokinin concentration, which are the typical plant response to heat shock. When such a response also manifests itself in transgenic plants, it can cause a transient cytokinin accumulation after heat-shock treatment.
Notes: LIMBURGS UNIV CENTRUM,DEPT SBM,B-3590 DIEPENBEEK,BELGIUM. RUSSIAN ACAD SCI,BASHKIR SCI CTR,INST BIOL,UFA 450054,RUSSIA.
Keywords: NICOTIANA TABACUM; TRANSGENIC PLANTS; HEAT SHOCK; CYTOKININS
Document URI: http://hdl.handle.net/1942/3597
ISI #: A1995RX38900005
Type: Journal Contribution
Appears in Collections:Research publications

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