Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes
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Tissue Fractions of Cadmium in Two Hyperaccumulating Jerusalem Artichoke Genotypes
In order to investigate the mechanisms in two Jerusalem artichoke (Helianthus tuberosus L.) genotypes that hyperaccumulate Cd, a sand-culture experiment was carried out to characterize fractionation of Cd in tissue of Cd-hyperaccumulating genotypes NY2 and NY5. The sequential extractants were: 80% v/v ethanol (FE), deionized water (FW), 1 M NaCl (FNaCl), 2% v/v acetic acid (FAcet), and 0.6 M HC...
متن کاملRibonucleic acid polymerase activities in Jerusalem artichoke tissue.
1. Artichoke tuber tissue contained RNA polymerase activity bound to the chromatin and in the supernatant after chromatin sedimentation. 2. The activity in the supernatant, the soluble polymerase, was fractionated into polymerases I and II by DEAE-cellulose chromatography, and the properties of each activity were determined. 3. The proportions of chromatin-bound and soluble activities varied wi...
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Preservation methods were evaluated forjerusalem artichokes (Helianthus tuberosus L.) to facilitate the back-up of field collections. In vitro plant cultures were established from field-harvested tubers for nine jerusalem artichoke cultivars obtained from the Plant Gene Resources of Canada, Saskatoon Research Center, Saskatoon, Canada. Most cultivars could be maintained at 5 °C or under 25°C gr...
متن کاملThe carbohydrates of the Jerusalem artichoke and other Compositae.
more easily prepared from the dahlia tuber (cf. McDonald, 1946). ('Artichoke' is used to indicate Jerusalem artichoke throughout this paper.) It has long been evident (cf. Tanret, 1893a, b) that inulin may constitute only a small fraction of the total carbohydrate present in the artichoke tuber, the remainder resembling inulin in being composed essentially of fructofuranose units, but having a ...
متن کاملBiofuel production from Jerusalem artichoke tuber inulins: a review
1 Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA 37996. 2 Georgia Institute of Technology, Renewable Bioproducts Institute and the School of Chemistry and Biochemistry, Atlanta, 30332, USA. 3 Joint Institute of Biological Sciences, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA 37831. 4 Biosciences Division, Oak Ridge Nati...
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ژورنال
عنوان ژورنال: The Scientific World Journal
سال: 2014
ISSN: 2356-6140,1537-744X
DOI: 10.1155/2014/421249