نتایج جستجو برای: oryza sativa
تعداد نتایج: 21693 فیلتر نتایج به سال:
In a detailed study conducted with potted plants in a greenhouse, Xu et al. (1) recently showed that reducing conditions in soil water maintained by flooding are a significant factor contributing to the uptake of As by rice plants. This is an important issue relevant to human health because a portion of the As taken up by the rice plant is transferred to the rice grain and eventually eaten. We ...
Acetylene reduction activity of intact rice plants was measured in closed assay chambers with plants grown in water culture. Acetylene was added to the liquid medium, and the ethylene formed was measured from both gas and liquid phases. After cutoff of mineral nitrogen supply and inoculation of fresh soil, rice plants grown from the seedling stage in water culture exhibited acetylene reduction ...
By placing the anode of a sediment microbial fuel cell (SMFC) in the rhizosphere of a rice plant, root-excreted rhizodeposits can be microbially oxidized with concomitant current generation. Here, various molecular techniques were used to characterize the composition of bacterial and archaeal communities on such anodes, as influenced by electrical circuitry, sediment matrix, and the presence of...
A 31-bp indel localised in the 5' untranslated region of OsSUT3 affects gene expression and rice (Oryza sativa L.) pollen development | Chunlong Zhang, Qiuping Li, Hong Yang, Tuo Wang, Juan Jiancheng Wen, Shoulin Jin, Zhonglin Lijuan Chen, Dandan Li Agricultural Journals
Comparative genomics is a powerful tool to decipher gene and genome evolution. Placing multiple genome comparisons in a phylogenetic context improves the sensitivity of evolutionary inferences. In the genus Oryza, this comparative approach can be used to investigate gene function, genome evolution, domestication, polyploidy, and ecological adaptation. A large genomic region surrounding the MONO...
Ustiloxins A (1a), B (1b), C (1c), D (1d) and E (1e), antimitotic peptides, have been isolated from the water extract of false smut balls caused on the panicles of rice plant by a fungus Ustilaginoidea virens. The structure of 1b was assigned from its spectral property and its amino acid analysis in relation to 1a whose structure was determined previously by a combination of X-ray crystallograp...
The leaf angle between stem and sheath (SSA) is an important rice morphological trait. The objective of this study was to develop and validate a dynamic SSA model under different nitrogen (N) rates for selected rice cultivars. The time-course data of SSA were collected in three years, and a dynamic SSA model was developed for different main stem leaf ranks under different N rates for two select...
The resistance (R) genes and defense response (DR) genes have become very important resources for the development of disease resistant cultivars. In the present investigation, genome-wide identification, expression, phylogenetic and synteny analysis was done for R and DR-genes across three species of rice viz: Oryza sativa ssp indica cv 93-11, Oryza sativa ssp japonica and wild rice species, Or...
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