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Apical localization of 1-aminocyclopropane-1-carboxylic acid and its conversion to ethylene in etiolated pea seedlings

Taylor, Jane E and Grosskopf, Deborah A and McGaw, Brian A and Horgan, Roger and Scott, Ian A (1988) Apical localization of 1-aminocyclopropane-1-carboxylic acid and its conversion to ethylene in etiolated pea seedlings. Planta, 174 (1). pp. 112-114. ISSN 0032-0935

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Abstract

The biosynthetic basis for the high rates of ethylene production by the apical region of etiolated pea (Pisum sativum L.) seedlings was investigated. The ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) was quantified in extracts of various regions of seedlings by measuring isotopic dilution of a 2H-labelled internal standard using selected-ion-monitoring gas chromatography/mass spectrometry. The ACC levels in the apical hook and leaves were much higher than in the expanded internodes of the epicotyl. The capacity of excised tissue sections to convert exogenous ACC to ethylene was also much greater in the apical region, reflecting the distribution of soluble protein in the epicotyl.

Item Type: Article
Journal or Publication Title: Planta
Uncontrolled Keywords: 1-Aminocyclopropane-1-carboxylic acid ; Ethylene biosynthesis ; Pisum (ethylene)
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 52480
Deposited By: ep_importer_pure
Deposited On: 08 Feb 2012 10:27
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:04
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52480

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