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chlorophyll/arroz
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Página 1 a partir de 438 resultados
Photochemical properties in flag leaves of a super-high-yielding hybrid rice and a traditional hybrid rice (Oryza sativa L.) probed by chlorophyll a fluorescence transient.
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Chlorophyll a fluorescence of flag leaves in a super-high-yielding hybrid rice (Oryza sativa L.) LYPJ, and a traditional hybrid rice SY63 cultivar with lower grain yield, which were grown in the field, were investigated from emergence through senescence of flag leaves. As the flag leaf matured,
Correlation and quantitative trait loci analyses of total chlorophyll content and photosynthetic rate of rice (Oryza sativa) under water stress and well-watered conditions.
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In order to explore the relevant molecular genetic mechanisms of photosynthetic rate (PR) and chlorophyll content (CC) in rice (Oryza sativa L.), we conducted a series of related experiments using a population of recombinant inbred lines (Zhenshan97B x IRAT109). We found a significant correlation
Differential changes in photosynthetic capacity, 77 K chlorophyll fluorescence and chloroplast ultrastructure between Zn-efficient and Zn-inefficient rice genotypes (Oryza sativa) under low zinc stress.
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The relationship of zinc (Zn) efficiency in rice to differential tolerance of photosynthetic capacity and chloroplast function to low Zn stress was studied using Zn-efficient (IR8192) and Zn-inefficient (Erjiufeng) rice genotypes (Oryza sativa L.). Zinc deficiency caused extensive declines in leaf
Heredity, physiology and mapping of a chlorophyll content gene of rice (Oryza sativa L.).
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A single dominant gene Gc controls the trait of high chlorophyll (Chl) content in rice (cultivar (cv.) Zhenshan 97B). The contents of Chl b and total Chl increased 100% and 25%, respectively, when Gc was introduced. In addition, photosynthetic rate, biomass and grain yield also increased by 20%, 17%
Identification and fine mapping of qCTH4, a quantitative trait loci controlling the chlorophyll content from tillering to heading in rice (Oryza sativa L.).
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The chlorophyll content is one of the most important traits selected by breeders, and it is controlled by quantitative trait loci (QTLs) derived from natural variations in rice. We analyzed the QTL controlling chlorophyll content by using 94 RILs derived from a cross between 2 japonica rice
QTL and epistatic interaction underlying leaf chlorophyll and H2O2 content variation in rice (Oryza sativa L.).
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It is meaningful to study the genetics of the traits associated with photosynthesis such as leaf chlorophyll and H2O2 contents for high yield breeding in rice. A mapping population of 98 BC1F9 lines (backcross Inbred Lines, BIL), derived from a backcross of Nipponbare
Yellow-Leaf 1 encodes a magnesium-protoporphyrin IX monomethyl ester cyclase, involved in chlorophyll biosynthesis in rice (Oryza sativa L.).
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Magnesium-protoporphyrin IX monomethyl ester cyclase (MPEC) catalyzes the conversion of MPME to divinyl protochlorophyllide (DVpchlide). This is an essential enzyme during chlorophyll (Chl) biosynthesis but details of its function in rice are still lacking. Here, we identified a novel rice mutant
Revisiting the chlorophyll biosynthesis pathway using genome scale metabolic model of Oryza sativa japonica.
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Chlorophyll is one of the most important pigments present in green plants and rice is one of the major food crops consumed worldwide. We curated the existing genome scale metabolic model (GSM) of rice leaf by incorporating new compartment, reactions and transporters. We used this modified GSM to
CS3, a Ycf54 domain-containing protein, affects chlorophyll biosynthesis in rice (Oryza sativa L.).
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Chlorophyll plays a vital role in harvesting light and turning it into chemical energy. In this study, we isolated and characterized a chlorophyll-deficient mutant, which we named cs3 (chlorotic seedling 3). The cs3 mutant seedlings exhibit a yellowish phenotype at germination, and they do not
Characterization and fine mapping of thermo-sensitive chlorophyll deficit mutant1 in rice (Oryza sativa L.).
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Chlorophyll content is one of the most important traits controlling crop biomass and economic yield in rice. Here, we isolated a spontaneous rice mutant named thermo-sensitive chlorophyll deficit 1 (tscd1) derived from a backcross recombinant inbred line population. tscd1 plants grown normally from
Identification and fine mapping of a thermo-sensitive chlorophyll deficient mutant in rice (Oryza sativa L.).
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A thermo-sensitive chlorophyll deficient mutant was isolated from more than 15,000 transgenic rice lines. The mutant displayed normal phenotype at 23 degrees C or lower temperature (permissive temperature). However, when grown at 26 degrees C or higher (nonpermissive temperature) the plant exhibited
Molybdenum Sulfide Induce Growth Enhancement Effect of Rice ( Oryza sativa L.) through Regulating the Synthesis of Chlorophyll and the Expression of Aquaporin Gene.
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Molybdenum sulfide (MoS2) has been applied widely in industrial and environmental application, leading to increasing release into environment. So far, no studies have been investigated with regard to the potential effect of MoS2 on plants. Herein, we studied the impact of MoS2 on the growth,
New alleles for chlorophyll content and stay-green traits revealed by a genome wide association study in rice (Oryza sativa).
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Higher chlorophyll content (CC) and strong stay-green (SG) traits are conducive for improvement of photosynthetic efficiency in plants. Exploration of natural elite alleles for CC and SG, and highly resolved gene haplotypes are beneficial to rational design of breeding for high-photosynthetic
Effects of Exogenous Application of Protocatechuic Acid and Vanillic Acid to Chlorophylls, Phenolics and Antioxidant Enzymes of Rice (Oryza sativa L.) in Submergence.
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In this study, effects from application of protocatechuic acid (PA) and vanillic acid (VA) and their mixture on the submergence tolerance of rice were examined. The treatment of 0.01 mM PA and VA did not show significant increase of rice growth as compared to the controls. However, at higher
C-terminal residues of oryza sativa GUN4 are required for the activation of the ChlH subunit of magnesium chelatase in chlorophyll synthesis.
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Oryza sativa GUN4 together with the magnesium chelatase subunits ChlI, ChlD, and ChlH have been heterologously expressed and purified to reconstitute magnesium chelatase activity in vitro. Maximum magnesium chelatase activity requires pre-activation of OsChlH with OsGUN4, Mg(2+) and
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