Full TGIF Record # 71910
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/01904160009382149
    Last checked: 10/13/2015
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Author(s):Yang, Xiaoe; Wang, Guirong; Zhang, Chengdong; Römheld, Volker
Author Affiliation:Yang: Institute of Agricultural Chemistry, Zhejiang University, Hangzhou, China; Wang: Research Center of Biotechnology and Plant Breeding, Hohenheim University, Stuttgart, Germany; Zang and Römheld: Institute of Plant Nutrition, Hohenheim University, Stuttgart, Germany
Title:Characteristics of iron uptake in Ni-tolerant mutant and wild-type of ryegrass
Section:Physiological aspects of iron nutrition
Other records with the "Physiological aspects of iron nutrition" Section
Source:Journal of Plant Nutrition. Vol. 23, No. 11/12, November/December 2000, p. 1867-1876.
# of Pages:10
Publishing Information:New York: Marcel Dekker, Inc.
Keywords:TIC Keywords: Iron; Uptake; Nutrient uptake; Mutants; Amino acids; Nickel; Lolium perenne; Rates; Nutrient deficiency; Toxicity; Roots; Shoots; Translocation; Nutrient transport
Abstract/Contents:"The uptake of 59Fe(II)SO4, 59Fe(III) phytosiderophores and the release of phytosiderophores (PS) in a Ni-tolerant mutant and its wild type of ryegrass (Lolium perenne L.) were examined. The results showed that the uptake rates of 59Fe2+ in the mutant were about 2-fold lower than those in the wild-type independently of the Fe nutritional status (+/- Fe preculture) and Ni supply levels. In contrast, the uptake rates for 59Fe(III)PS were higher in the mutant than in the wild-type, paticularly under Fe deficiency. The high Ni supply decreased 59Fe(III)PS uptake rate by 40% for the wild-type and by 20% for the mutant under Fe deficiency. However, the rate of PS release was significantly lower in the mutant than in the wild-type. These results indicated that the relatively high sensitivity of Ni-tolerant mutant to Fe deficiency is obviously due to a lower rate of Fe2+ uptake and PS release. Further studies are needed to understand the relationship, between uptake and translocation of Ni and acquisition and translocation of Fe within the mutant."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yang, X., G. Wang, C. Zhang, and V. Römheld. 2000. Characteristics of iron uptake in Ni-tolerant mutant and wild-type of ryegrass. J. Plant Nutr. 23(11/12):p. 1867-1876.
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    Last checked: 10/13/2015
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MSU catalog number: QK 867 .J67
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