540 Influence of Calcium Nutrition on Growth and Tissue Electrolyte Leakage in Carrot (Daucus carota)
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Effect of acidification on carrot (Daucus carota) juice cloud stability.
Effects of acidity on cloud stability in pasteurized carrot juice were examined over the pH range of 3.5-6.2. Cloud sedimentation, particle diameter, and ζ potential were measured at each pH condition to quantify juice cloud stability and clarification during 3 days of storage. Acidification below pH 4.9 resulted in a less negative ζ potential, an increased particle size, and an unstable cloud,...
متن کاملCharacterization of Inositol Phosphates in Carrot (Daucus carota L.) Cells.
We have shown previously that inositol-1,4,5-trisphosphate (IP(3)) stimulates an efflux of (45)Ca(2+) from fusogenic carrot protoplasts (M Rincón, WF Boss [1987] Plant Physiol 83: 395-398). In light of these results, we suggested that IP(3) might serve as a second messenger for the mobilization of intracellular Ca(2+) in higher plant cells. To determine whether or not IP(3) and other inositol p...
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Carrot (Daucus carota L.) belongs to the group of common edible vegetables. The aim of the present study was to establish the distribution of guaiacol peroxidases in carrot root sections as well as to determine the enzymatic activity and the electrophoretic pattern of isoperoxidases in tissue extracts of particular root regions: central cylinder, inner cortex and epidermis, including the periph...
متن کاملInositol Trisphosphate Metabolism in Carrot (Daucus carota L.) Cells.
The metabolism of exogenously added d-myo-[1-(3)H]inositol 1,4,5-trisphosphate (IP(3)) has been examined in microsomal membrane and soluble fractions of carrot (Daucus carota L.) cells grown in suspension culture. When [(3)H]IP(3) was added to a microsomal membrane fraction, [(3)H]IP(2) was the primary metabolite consisting of approximately 83% of the total recovered [(3)H] by paper electrophor...
متن کاملPervasive Mitochondrial Sequence Heteroplasmy in Natural Populations of Wild Carrot, Daucus carota spp. carota L
Exceptions to the generally accepted rules that plant mitochondrial genomes are strictly maternally inherited and that within-individual sequence diversity in those genomes, i.e., heteroplasmy, should be minimal are becoming increasingly apparent especially with regard to sequence-level heteroplasmy. These findings raise questions about the potential significance of such heteroplasmy for plant ...
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ژورنال
عنوان ژورنال: HortScience
سال: 2000
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.35.3.488e