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39 results about "Photorespiration" patented technology
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Photorespiration (also known as the oxidative photosynthetic carbon cycle, or C₂ photosynthesis) refers to a process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting some of the energy produced by photosynthesis. The desired reaction is the addition of carbon dioxide to RuBP (carboxylation), a key step in the Calvin–Benson cycle, however approximately 25% of reactions by RuBisCO instead add oxygen to RuBP (oxygenation), creating a product that cannot be used within the Calvin–Benson cycle. This process reduces the efficiency of photosynthesis, potentially reducing photosynthetic output by 25% in C₃ plants. Photorespiration involves a complex network of enzyme reactions that exchange metabolites between chloroplasts, leaf peroxisomes and mitochondria.
Method for producing plants with suppressed photorespiration and improved CO2 fixation
InactiveUS7208318B2Improve productivity and yieldInhibition of photorespirationSugar derivativesOther foreign material introduction processesChloroplastAlgae
Owner:BASF SE
Method for producing plants with suppressed photorespiration and improved c02 fixation
InactiveUS20060095981A1Inhibition of photorespirationIncrease productivitySugar derivativesOther foreign material introduction processesChloroplastGene transfer
The invention relates to a method for the production of plants with suppressed photorespiration and improved CO2 fixation. In particular, the invention relates to a re-use of phosphoglycolate produced in photorespiration. The reaction product is converted to a component that may be reintegrated into the plant assimilatory metabolism inside the chloroplast. This is accomplished by the transfer of genes derived from glycolate-utilizing pathways from bacteria, algae, plants and / or animals including humans into the plant nuclear and / or plastidial genome. The methods of the invention lead to reduced photorespiration in C3 plants and, therefore, are of great benefit for food production, especially but not exclusively under non-favourable growth conditions.
Owner:BASF AG
Preparation method and application of nano carbon dioxide trapping agent
ActiveCN112791707AGrowth fully promotedFully promote gestationGas treatmentOther chemical processesActive agentSurface-active agents
The invention relates to a preparation method and application of a nano carbon dioxide capturing agent, and the preparation method of the nano carbon dioxide capturing agent comprises the following steps: taking cationic surface active agent modified bentonite as a carrier; the CO2 nano capturing agent prepared from the loaded cationic surface active agent modified chitosan, graphene oxide and loaded organic alkali modified hydrotalcite has the photocatalytic effect of a nano material, captures and combines carbon dioxide in air to be enriched around leaves and stems for crop absorption and utilization, enhances photosynthesis, improves the photosynthetic rate, and inhibits light respiration at night; the chlorophyll is synthesized for crop growth, three elements of carbon, hydrogen and oxygen necessary for crop growth are accumulated, organic components such as nitrogen, phosphorus and potassium in soil are effectively absorbed, synthesized and converted, inoculation, growth and maturity of crops are fully promoted, and yield and income are increased. The CO2 trapping agent can be used for facility crops and field crops, and the CO2 trapping agent at normal temperature and normal pressure has wide application.
Owner:BEIJING FAIRVIEW NEW TECH CO LTD
Organic water soluble fertilizer and preparation method and application thereof
ActiveCN103626590AImprove multiple functionsIncrease contentFertilizer mixturesField experimentWater soluble
The invention relates to an organic water soluble fertilizer which is prepared from the following components in parts by weight: 80-95 parts of active organic matter, 0.5-1.5 parts of a photorespiration restrainer, 1-3 parts of a thickening agent, 2-6 parts of an anti-corrosion accelerating agent and 2-6 parts of a plant-based surface-active agent. The invention also provides a preparation method and application of the water soluble fertilizer. Field experiment demonstration of various crops shows that the water soluble fertilizer has remarkably obvious yield increasing effect, the yield of field grain crops is increased by 16-27%, for the yield of vegetables is increased by 21-37%, and the yield of fruits can be increased by more than 30 percent.
Owner:XINJIANG TAIGU BIOLOGICAL FERTILIZER CO LTD
Method for improving drought tolerance of plants by improving photorespiration
ActiveCN110564760AImprove photosynthetic efficiencyIncrease biomassOxidoreductasesPlant peptidesMalate synthaseGlycolic acid dehydrogenase
The invention discloses a method for improving drought tolerance of plants by improving photorespiration, which comprises the following steps: inhibiting or knocking out bile acid sodium cotransportergenes in the plants, and simultaneously overexpressing glyoxylate dehydrogenase genes and malate synthase genes. The method creatively discovers that the expression of the BASS6 gene in the plant isinhibited; glycolic acid dehydrogenase genes and malic acid synthase genes are overexpressed in chloroplast, light respiration can be remarkably reduced, the photosynthetic efficiency of plants can beimproved, the biomass or yield of the plants can be increased, more importantly, the drought tolerance of the transgenic plants is remarkably higher than that of plants inhibiting PLGG1 gene expression, and the drought tolerance is improved by 5%-50%.
Owner:ZHEJIANG UNIV
Photorespiration metabolism modified branch and application of photorespiration metabolism modified branch in C3 plant
ActiveCN108440672AIncrease photosynthetic rateLarge biomassPolypeptide with localisation/targeting motifOxidoreductasesChlorophyllOrganism
The invention discloses a photorespiration metabolism modified branch and an application of the photorespiration metabolism modified branch in C3 plant, which relate to the technical field of a plantgenetic engineering. The branch comprises three proteins of OsGLO3, OsCAT2 and OsOXO3. The branch can modify the C3 plant photorespiration, so that photorespiration is reduced, the photosynthetic efficiency is increased, and the plant biomass is increased. The experiment result shows that GOC photorespiration metabolism modified branch transferred to the plant appears that photosynthetic rate is increased, the biomass is increased, and chlorophyll is increased. The photorespiration metabolism modified branch has deep meaning for explicating high-light effect mechanism, producing crops and renewable energy sources, and reducing CO2 discharge, and during the practical application, the GOC photorespiration metabolism modified branch is transferred to different C3 plants, so that high-yield variety can be cultured.
Owner:SOUTH CHINA AGRI UNIV
Genes and gene combinations for enhanced crops
InactiveUS20200347394A1Improve performanceModulating activityHydrolasesClimate change adaptationBiotechnologyPolynucleotide
Plant transcription factors and genes encoding the transcription factors are disclosed. Methods to enhance characteristics in a plant by downregulating the genes encoding the transcription factors also are disclosed. The enhanced characteristics can include higher photosynthesis rates, reduced photorespiration rates, higher biomass yield or content, higher seed yield, improved harvest index, higher oil content, improved nutritional composition, improved nitrogen use efficiency, drought resistance, flood resistance, disease resistance, faster seed germination and plant emergence, improved seedling vigor, salt tolerance, higher CO2 assimilation rate, and lower transpiration rate. Modified plants in which the genes encoding the transcription factors are downregulated also are disclosed. Compositions of the invention comprise polynucleotide sequences, polypeptide sequences, variants, orthologs, and fragments thereof. Methods comprise introducing into plants systems that reduce or eliminate the expression of transcription factors. Methods and compositions also provide plants with enhanced seed yield and / or seed oil content.
Owner:YIELD10 BIOSCI INC
Plants with improved photosynthetic carbon fixation capacity
InactiveUS20190376077A1Improving the assimilation of carbon in a plantIncrease probabilityHydrolasesClimate change adaptationBiotechnologyMetabolic enzymes
Owner:BASF SE
Nutrition agent for increasing yield of grain crops, and preparation and application method thereof
InactiveCN102898226AWide variety of sourcesLow priceFertilising methodsFertilizer mixturesNutritionPhosphoric acid
The invention discloses a nutrition agent for increasing yield of grain crops and a preparation method. The nutrition agent is composed of nucleotides, 5-ribose phosphate, boron and a diffusion agent. The preparation method comprises mixing the nucleotides, the 5-ribose phosphate and the boron with stirring, and then adding the diffusion agent under normal temperature to prepare the agent. The nutrition agent has advantages of good water-solubleness, easy absorption and utilization for the crops, simple usage, small application amount, stable performance and long shelf-life, can not only provide nucleic acids, trace element boron and other nutrients necessary for rice and other main food crops after flowering, but also inhibit photorespiration consumption of the crops, and is remarkable in yield increasing for the rice and other food crops and good in economic benefit.
Owner:HUNAN AGRICULTURAL UNIV
Method for improving photosynthetic hydrogen production efficiency of algae
InactiveCN102776221AIncreased efficiency of photosynthetic hydrogen productionIncrease speedUnicellular algaeMicroorganism based processesBiologyCatalase
The invention relates to a method for improving photosynthetic hydrogen production efficiency of algae. The method expresses pyruvate oxidase and catalase in hydrogen production algae with no influence on normal metabolism and growth of the hydrogen production algae, so that oxygen concentration in the hydrogen production algae can be decreased effectively; photorespiration function is reduced; and photosynthetic hydrogen production efficiency of the hydrogen production algae is increased greatly. The method provides novel approaches for improving photosynthetic hydrogen production efficiency, and provides novel ideas for bioenergy research and industrialization.
Owner:SHANGHAI INST OF BIOLOGICAL SCI CHINESE ACAD OF SCI
Plant Growth Acceleration System and Methods
InactiveUS20190045720A1Increase ratingsConvenient and safe and simple to applyBiocideAnimal repellantsPlant cellPlant growth
The present invention provides novel and effective compositions and methods for promoting the growth of green photosynthetic plants, particularly higher plants. The method relies on applying compounds comprising carbon dioxide infused water as a foliar spray to the plant and its leaves, where the compound increases intracellular carbon dioxide levels in an amount sufficient to inhibit photorespiration within the plant cells and thus enhance plant growth.
Owner:CO2 GRO INC
Yield increase element for promoting plant growth, and production method thereof
InactiveCN105265483AImprove qualityThe effect of increasing production is obviousBiocidePlant growth regulatorsSucroseBiology
The invention relates to a yield increase element for promoting plant growth, and a production method thereof. According to the present invention, according to the yield increase element, the plant nutrition element is adopted as the main body, the yield increase element contains a plant light respiration consumption inhibitor, and the plant growth can be promoted; the yield increase element is characterized in that 4-28% by weight of sodium hydrogen sulfite, 0.5-2% by weight of sucrose, 0.2-2% by weight of citric acid, 2-15% by weight of zinc sulfate, 5-20% by weight of potassium sulfate, 20-35% by weight of magnesium sulfate, 8-50% by weight of ferrous sulfate, 5-15% by weight of boric acid and 5-10% by weight of sodium carbonate are adopted as the raw materials, wherein the nicotinic acid amide content is 0.1-1% by weight.
Owner:刘维艮
RPRP (Rice Photorespiration Related Protein)-1 capable of increasing photosynthetic efficiency of plants as well as coding gene and application of RPRP-1
The invention discloses an RPRP (Rice Photorespiration Related Protein)-1 capable of increasing the photosynthetic efficiency of plants as well as a coding gene and application of the RPRP-1. The RPRP-1 is protein with one of the following amino acid residue sequences: (1) an amino acid residue sequence as shown in SEQ ID No.2 in a sequence table; and (2) an amino acid residue sequence obtained through substituting and / or deleting and / or adding one or more amino acid residues of the amino acid residue sequence shown as SEQ ID No.2 in the sequence table, wherein the protein is relevant to the photosynthetic efficiency of plants and derived from (1). The RPRP-1 provided by the invention can be used for increasing the net photosynthetic rate, the stomatal conductance and the thousand seed weight of the plants. The coding gene of the RPRP-1 provided by the invention can have a favorable application prospect in breeding monocots such as rice, wheat, corn, pasture and wheatgrass at high photosynthetic efficiency.
Owner:THE INST OF BIOTECHNOLOGY OF THE CHINESE ACAD OF AGRI SCI
A special fertilizer for corn and its preparation method
ActiveCN106146142BImprove the situation of unbalanced fertilizationPromote growthSuperphosphatesAlkali orthophosphate fertiliserOrganic acidSulfate
Owner:吉林贝盈生物科技有限公司
Plant consumption reducing and energy saving method
InactiveCN103875472AReduce the overall heightReduce consumptionBiocidePlant growth regulatorsTranspirationPlant growth
The invention discloses a plant consumption reducing and energy saving method. The plant consumption reducing and energy saving method includes adopting reasonable combination of photorespiration inhibitor, transpiration inhibitor and plant power accelerator and respectively adopting 500ppm (parts per million) of the photorespiration inhibitor, 500ppm of the transpiration inhibitor and 500ppm of the plant power agent in the seedling stage, the head sprouting and flowering and fruitlet stage and the fruit expansion stage twice or three times. The photorespiration inhibitor, the transpiration inhibitor and the plant power accelerator are scientifically combined and reasonably applied and are complementary in functions and highly saved, consumption is greatly reduced, solar energy utilization efficiency and water application efficiency are greatly increased, and the purpose for utmost developing functions of plant power accelerator is achieved.
Owner:唐国荣
Transgenic Expression of Archaea Superoxide Reductase
InactiveUS20140026255A1Improve photosynthetic efficiencyImprove toleranceBiocideBacteriaHeterologousBacteroides
This invention relates to compositions and methods for reducing reactive oxygen species in plants, yeast, algae or bacteria by transforming a plant, yeast or bacteria with a heterologous polynucleotide encoding a superoxide reductase from an archaeon species. The invention also provides methods for protecting a photosynthetic reaction center, for reducing photorespiration and / or for increasing the photosynthetic efficiency of plants or cyanobacteria as well as methods for increasing tolerance to abiotic stress in plants, yeast or bacteria by transforming a plant, yeast, or bacteria with a heterologous polynucleotide encoding a archaeon superoxide reductase. Methods for delaying senescence, reducing lignin polymerization and increasing accessibility of cell wall cellulose to an enzyme in a plant by transforming the plant with a heterologous polynucleotide encoding an archaeon superoxide reductase are also provided. Additionally, transformed plants, yeast and bacteria are provided as well as products produced from the transformed plants, yeast and bacteria.
Owner:NORTH CAROLINA STATE UNIV
Sulfate or sulfite light rare earth plant growth regulator and the method for preparing the same
InactiveCN101036470AImprove securityLower doseBiocidePlant growth regulatorsSynthesis methodsRare earth
A sulfuric acid of sulfurous acid light rare earth plant growth regulator capable of improving yield and quality of root crop and tuber crop is composed of polynary rare earth complex, wherein the chemical structural formula of the polynary rare earth complex is RE(HSO3)3SN, N being equal to 0 to 8, or RE3(SO3)2SN, N being equal to 0 to 6, wherein, rare earth RE is a trivalent ion of the element optionally selected from La, Ce, Pr, and Nd; HAO3- or SO32- is inorganic ligand; and SN is solvent selected from H2O, CH3OH, C2H5OH, or DMSO. The plant growth regulator is a RE-H-L-S polynary complex, which can be prepared in a short reaction period by simple method. By using the regulator, the growth of the root crop and tuber crop can be promoted, the absorption to organic and inorganic nutrient and the content of chlorophyll can be improved, photorespiration can be inhibited, and the photosynthesis can be improved, thereby improving the yield by 15% to 45% and quality by 1 to 2 levels.
Owner:NANJING NORMAL UNIVERSITY
Plants with increased growth over expressing a mitochondrial glycine decarboxylase complex subunit
InactiveUS20160222358A1Increase photorespirationPromote photosynthesisClimate change adaptationOxidoreductasesGlycine cleavage systemPlant growth
The present invention relates to the field of plant molecular biology and concerns methods for enhancing photorespiration, photosynthesis, growth or yield in plants by modulating the expression of the glycine decarboxylase, also known as the glycine cleavage system. The present invention also provides recombinant constructs useful in the methods in the invention. In addition, the invention provides transgenic plants having an enhanced photorespiration, photosynthesis, growth or yield.
Owner:BASF AG
Plants with increased photorespiration efficiency
Presented herein are plants with altered photorespiratory characteristics. Disruption of transport proteins involved in shuttling glycolate and / or glycerate results in reductions in photosynthetic rates, reduced plant growth and alterations in gene expression and photosynthetic metabolite profiles. Such disruptions are also combined with introduced genes expressing components of alternate photorespiratory enzyme pathways to increase photosynthetic efficiency.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC OF AGRI (US)
Composite photorespiration inhibitor as well as preparation method and application thereof
ActiveCN111972433APromote absorptionReduce photorespiration consumptionBiocidePlant growth regulatorsSodium bicarbonateSodium hydrogen sulphite
The invention belongs to the technical field of plant biology, and particularly relates to a composite photorespiration inhibitor as well as a preparation method and application thereof. The compositephotorespiration inhibitor comprises sodium bicarbonate with the concentration of 50 mg / L-500 mg / L, sodium hydrogen sulfite with the concentration of 50 mg / L-500 mg / L, choline chloride with the concentration of 50 mg / L-500 mg / L and tween-80 with the concentration of 0.5%-1.5%. According to the invention, the three photorespiration inhibitors are organically combined together, and the spreader isadded, so that the absorption of the medicament is facilitated, the respective photorespiration inhibition effects and the synergistic inhibition effect among the photorespiration inhibitors are exerted, the photorespiration degree is reduced, and the yield and quality of crops are remarkably improved.
Owner:DALIAN UNIV
Means and methods for the reduction of photorespiration in crops
ActiveUS10017778B2Overcome yield lossImproved CO<subMutant preparationOxidoreductasesBiologyGMO Plants
Owner:VLAAMS INTERUNIVERSITAIR INST VOOR BIOTECHNOLOGIE VZW +1
Means and methods for the reduction of photorespiration in crops
ActiveUS20160272991A1Improved CO fixationIncrease planting yieldMutant preparationOxidoreductasesGMO PlantsAbiotic stress
The present invention relates to the field of plant molecular biology and concerns methods for enhancing the abiotic stress tolerance in plants by modulating the expression of the glyoxylate reductase gene. The present invention also provides chimeric constructs useful in the methods in the invention. In addition, the invention provides transgenic plants having an enhanced abiotic stress resistance, in particular an enhanced tolerance to high light conditions and an improved CO2 fixation.
Owner:VLAAMS INTERUNIVERSITAIR INST VOOR BIOTECHNOLOGIE VZW +1
Special fertilizer for maize and preparation method of special fertilizer
ActiveCN106146142AIncrease profitPromote absorptionSuperphosphatesAlkali orthophosphate fertiliserOrganic acidSulfate
The invention provides a special fertilizer for maize and a preparation method of the special fertilizer. The special fertilizer for the maize is prepared from components as follows: 35%-45% of urea, 5%-15% of diammonium phosphate, 15%-25% of superphosphate, 10-20% of potassium chloride, 3%-7% of zinc sulfate and 3%-7% organic acid. The special fertilizer for the maize can improve the situation of uneven maize fertilization, has a proper ratio of nitrogen fertilizer to phosphorus fertilizer to potassium fertilizer to zinc fertilizer, helps growth of the maize, can affect synthesis of auxin in plant bodies, catalyzes the photochemical reaction of chlorophyll, and promotes photorespiration of the maize. Meanwhile, the properties of adversity resistance, lodging prevention, low-temperature damage prevention and the like of the maize can also be improved. The special fertilizer for the maize can not only increase maize yield, but also improve the maize quality and economic benefits.
Owner:吉林贝盈生物科技有限公司
A method for the production of plants with altered photorespiration and improved co2 fixation
PendingUS20220315942A1Promote growthIncrease productivityAgriculture gas emission reductionVector-based foreign material introductionBiotechnologyNutrition
The present invention relates to transgenic plants with altered photorespiration and improved CO2 fixation as well as a method of producing said transgenic plants. Particularly, the transgenic plants show an improved growth rate, productivity and energy conversion efficiency. This method can be successfully applied to many agricultural crop plants with nutritional and medicinal uses.
Owner:MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN EV +1
Method of producing autotrophic organisms with altered photorespiration and improved co2 fixation
PendingUS20210163956A1High energyIncrease productivityCarbon-nitrogen lyasesBacteriaMicroorganismAutotrophic organism
The present invention relates to autotrophic microorganisms with altered photorespiration and improved CO2 fixation as well as a method of producing said autotrophic microorganisms. Particularly, the autotrophic microorganisms show an improved growth rate, productivity and energy conversion efficiency.
Owner:MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN EV
Method for improving photosynthetic efficiency of plants
ActiveCN110628810AIncrease productionIncrease biomassOxidoreductasesPlant peptidesChloroplastBile acid
The invention discloses a method for improving photosynthetic efficiency of plants, which comprises the following steps: inhibiting or knocking out bile acid sodium cotransporter genes in the plants,and simultaneously over-expressing glycollate dehydrogenase genes, glyoxylate carboxylase genes and tartronic semialdehyde reductase genes. The method creatively discovers that the expression of the BASS6 gene in the plant is inhibited, the overexpression of the glycollate dehydrogenase gene, the glyoxylate carboxylase gene and the tartronic semialdehyde reductase gene is combined in chloroplast,the photorespiration can be significantly reduced, the photosynthetic efficiency of the plant can be improved, the biomass or the yield of the plant can be increased, more importantly, the drought tolerance of the transgenic plant is significantly higher than the drought tolerance of the plant inhibiting the PLGG1 gene expression, and the biomass or the yield under the drought condition is increased by 3-45% compared to the non-transgenic control.
Owner:ZHEJIANG UNIV
Application of photorespiratory branch protein in regulation and control of plant traits
PendingCN113215186APolypeptide with localisation/targeting motifOxidoreductasesBiotechnologyOxalate oxidase
Owner:SHANDONG SHUNFENG BIOTECH CO LTD +1
Rerouting the photorespiration pathway in plants for increasing bioproduct yield
ActiveUS10106826B2FermentationVector-based foreign material introductionMalate synthaseBiological product
The present invention provides methods of producing biological products or increasing production of such products through expression in a plant of a bacterial or plant glycolate catabolic cycle gene, such as glycolate dehydrogenease (GDH), glycolate oxidase (GO), or malate synthase (MS) in combination with a plant gene, such as farnesyl diphosphate synthase (FPS), squalene synthase (SQS), or PLAS. Also provided are plants, plants parts and compositions produced through methods of the present invention. The invention leads to two to five fold increase of end product yield.
Owner:TEXAS A&M UNIVERSITY +2
A kind of composite photorespiration inhibitor and its preparation method and application
ActiveCN111972433BPromote absorptionReduce photorespiration consumptionBiocidePlant growth regulatorsSodium bicarbonateSodium hydrogen sulphite
The invention belongs to the field of plant biotechnology, and in particular relates to a compound photorespiration inhibitor and its preparation method and application. The compound photorespiration inhibitor includes sodium bicarbonate with a concentration of 50mg / L to 500mg / L, sodium bisulfite with a concentration of 50mg / L to 500mg / L, and bile chloride with a concentration of 50mg / L to 500mg / L. Alkali, Tween-80 with a concentration of 0.5% to 1.5%. The present invention organically combines three kinds of photorespiration inhibitors, and adds a spreading agent, which is beneficial to the absorption of medicaments, exerts their respective effects of inhibiting photorespiration and the synergistic inhibition between them, and reduces the degree of photorespiration , significantly improving crop yield and quality.
Owner:DALIAN UNIV
Preparation method and application of nano carbon dioxide capture agent
ActiveCN112791707BGrowth fully promotedFully promote gestationGas treatmentOther chemical processesOrganic baseActive agent
The invention relates to a preparation method and application of a nano-carbon dioxide capture agent. The preparation method of the nano-carbon dioxide capture agent of the present invention uses cationic surfactant-modified bentonite as a carrier, and supports cationic surfactant-modified chitosan and graphene oxide. And loading organic base modified hydrotalcite to prepare CO 2 The nano-capture agent has the photocatalytic effect of nano-materials, captures and aggregates carbon dioxide in the air and enriches around the leaves and stems for absorption and utilization by crops, enhances photosynthesis, increases photosynthetic rate, inhibits photorespiration at night, synthesizes chlorophyll for crop growth, and accumulates crops The three elements of carbon, hydrogen, and oxygen necessary for growth can effectively absorb, synthesize, and transform organic components such as nitrogen, phosphorus, and potassium in the soil, and fully promote the breeding, growth, and maturity of crops to increase production and income; the CO of the present invention 2 The capture agent can be used for facility crops as well as field crops. This kind of CO under normal temperature and pressure 2 Catchers have a wide range of applications.
Owner:BEIJING FAIRVIEW NEW TECH CO LTD
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