Cadmium transport and tolerance in rice: perspectives for reducing grain cadmium accumulation
نویسندگان
چکیده
منابع مشابه
MicroRNA390 Is Involved in Cadmium Tolerance and Accumulation in Rice
Cadmium (Cd) is a non-essential heavy metal that is toxic to plants. microRNAs (miRNAs) are 21-nucleotide RNAs that are ubiquitous regulators of gene expression at the post-transcriptional level. Several plant miRNAs, such as miR390, have vital roles in plant growth, development and responses to environmental stresses including heavy metal stress. In this study, the expression of mature miR390 ...
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doi: 10.1111/j.1399-3054.2005.00490.x Rice (Oryza sativa L.) seeds were soaked for 18 h in distilled water in the absence (–PBZ) or presence (þPBZ, a triazole) of 100 mg l 1 paclobutrazol and then air dried. These air-dried seeds were germinated in the dark and then cultivated in a Phytotron. Twelve-day-old –PBZ and þPBZ seedlings were treated or not with CdCl2. Cd toxicity was judged by the de...
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1Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, 5 P. R. China 6 2Key Lab of Crop Heterosis and Utilization, Beijing Key Lab of Crop Genetic Improvement, Ministry 7 of Education, China Agricultural University 8 3College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China 9 4Key Laboratory of Agro-Ecolo...
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The contamination of food crops by cadmium (Cd) is a major concern in food production because it can reduce crop yields and threaten human health. In this study, knockout rice plants (Oryza sativa) tagged with the gene trap vector pGA2707 were screened for Cd tolerance, and the tolerant line lcd was obtained. The lcd mutant showed tolerance to Cd on agar plates and in hydroponic culture during ...
متن کاملVariations in cadmium accumulation among rice cultivars and types and the selection of cultivars for reducing cadmium in the diet
A pot trial was conducted with 52 rice cultivars of different types collected from different origins. The results showed that there were great differences in Cd concentrations in straw, brown rice and grain chaff among the rice cultivars grown in a soil containing a Cd concentration of 100 mg kg−1; the Cd concentrations in brown rice ranged from 0.22 to 2.86 mg kg−1. The great genotypic differe...
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ژورنال
عنوان ژورنال: Rice
سال: 2012
ISSN: 1939-8425,1939-8433
DOI: 10.1186/1939-8433-5-5