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Article
Loss of Function of the Cytochrome P450 Gene CYP78B5 Causes Giant Embryos in Rice
Rice (Oryza sativa L.) is one of the most important food crops in the world. Most kernel oil and micro-nutrients are located in the embryo whereas starch is mainly in the endosperm. Although embryo size is import...
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Article
OsLOX2, a rice type I lipoxygenase, confers opposite effects on seed germination and longevity
Rice production and seed storage are confronted with grain deterioration and loss of seed viability. Some members of the lipoxygenase (LOX) family function in degradation of storage lipids during the seed germ...
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Article
Overexpression of OsZHD1, a zinc finger homeodomain class homeobox transcription factor, induces abaxially curled and droo** leaf in rice
Leaf rolling is receiving considerable attention as an important agronomic trait in rice (Oryza sativa L.). However, little has been known on the molecular mechanism of rice leaf rolling, especially the abaxial ...
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Article
Water management affects arsenic and cadmium accumulation in different rice cultivars
Paddy rice (Oryza sativa L.) is a staple food and one of the major sources of dietary arsenic (As) and cadmium (Cd) in Asia. A field experiment was conducted to investigate the effects of four water management re...
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Article
Nitrate facilitates cadmium uptake, transport and accumulation in the hyperaccumulator Sedum plumbizincicola
The aims of this study are to investigate whether and how the nitrogen form (nitrate (NO3 –) versus ammonium (NH4 +)) influences cadmium (Cd) uptake and translocation and subsequen...
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Article
Molecular genetic characterization of rice seed lipoxygenase 3 and assessment of its effects on seed longevity
Lipoxygenases (LOXs) are enzymes involved in lipid peroxidation. Here we reported the identification, molecular and functional characterization of the gene encoding rice (Oryza sativa L.) seed LOX3 (sLOX3). Via a...
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Article
Effect of water management on cadmium and arsenic accumulation by rice (Oryza sativa L.) with different metal accumulation capacities
Water management affects the bioavailability of cadmium (Cd) and arsenic (As) in the soil and hence their accumulation in rice grains and grain yields. However, Cd and As show opposite responses to soil water ...