103results about How to "Increased biomass production" patented technology

Isolated polynucleotides and polypeptides encoded thereby are described, together with the use of those products for making transgenic plants.

Isolated polynucleotides and polypeptides encoded thereby are described, together with the use of those products for making transgenic plants.

The present invention refers to a process designed to increase the production of plant growth-promoting microorganisms of the Bacillus genus, using a culture medium poor in nutrients and with specific environmental conditions, allowing to obtain a greater amount of biomass and/or spores, which can be used to prepare solid or liquid compositions to be applied to plants, aiming to promote their growth and/or counteract the effect of phytopathogenic agents.

The invention belongs to the field of microalgae cultivation, and particularly relates to a microalgae half-dry solid state adherent cultivation device for alternate illumination of bright and dark light. The microalgae half-dry solid state adherent cultivation device comprises a bracket system, an adherent cultivation unit, a speed regulating motor, a liquid supplement pipe, a liquid collection tank and a peripheral protection cover, wherein the adherent cultivation unit is arranged on the bracket system and is connected with the speed regulating motor; the liquid supplement pipe is arranged above the adherent cultivation unit, and the liquid collection tank is arranged below the adherent cultivation unit; the liquid collection tank is internally provided with a liquid circulating pump, a liquid supplement device and a carbon supplement device; the liquid circulating pump is connected with the liquid supplement pipe through a pipeline; and the peripheral protection cover is arranged on the periphery of the bracket system and the adherent cultivation unit; and the top surface of the protection cover is made of a light-passing material. The device utilizes the principle of bright and dark flashing light to dilute the bright light and improve the utilization efficiency of luminous energy, thereby improving the yield of microalgae biomass.

The invention discloses a method for remedying the micro-polluted water body. The method comprises the following steps: 1) the micro-polluted water body firstly enters a first-stage water treatment area to perform sand settling and uniform water distribution; 2) the water body secondly enters a second-stage water treatment area-wetland bed, wherein the wetland bed is mainly composed of filler anda water plant, the water plant is giant reed, the filler is composed of upper filler and lower filler, the upper filler is gravel and the particle size is 5-10mm; the lower filler is the shale brick,the particle size of the shale brick is 10-60mm and the root system of the water plant grows in the filler; and 3) the water body finally enters a third-stage water treatment area to homogenize the effluent quality, and the water body can be discharged and enter the outer water body. The system has the following advantages: (1) no energy is consumed, the system is difficult to block; (2) the investment is low, the system is convenient to operate and manage; (3) the shock resistance is strong; and (4) the nitrogen-phosphorus removal rate is high and the system has a certain economic benefit.

A method of production of a biofuel from the open ocean surface by testing the ocean surface waters to determine the nutrients that are missing and testing the currents to determine a suitable area for the application of the missing nutrients so that the increased production of biomass created can be harvested and the harvested biomass processed to obtain a biofuel suitable for energy production.

Provided herein are processes for producing an improved culture of cells comprising an engineered butanol biosynthetic pathway. The processes comprise (a) providing a cell culture of recombinant microorganisms comprising an engineered butanol biosynthetic pathway, wherein the engineered butanol biosynthetic pathway is minimal or not activated; and (b) growing the culture of recombinant microorganisms under adaptive conditions whereby pathway activation is increased to produce an improved cell culture and whereby said improved cell culture is capable of continuing to grow in fermentation.

The present invention relates to the field of fermentation media. More specifically, the invention provides a method for preparing a composition useful for culturing microbial cells wherein whole and/or autolysed yeast cells are enzymatically treated to obtain the composition. The microbial cultures obtained have increased stability and are useful in the manufacturing of food, feed and as a pharmaceutical product.

An increase in the total grain and biomass yields and photosynthetic rates of plants grown at high densities is achieved by novel methods of defoliating the primary-source leaf of a majority of such plants. In particular the methods provide for increased grain and biomass yields, including for example, increased average kernel mass for maize plants, and photosynthetic rates through the timely removal of the primary-source leaf of a majority of the plants grown at high densities. This invention also relates to seeds obtained by using the disclosed methods.

The production of biomass and/or seeds is further increased. The production of biomass and/or seeds by a plant can be further increased by supplying glutathione to a plant into which a gene encoding protein phosphatase 2C having characteristic consensus sequences has been introduced.

Methods of enhancing the growth rate and/or controlling the metabolic activity of lactic acid bacteria and of improving the shelf life and/or the quality of an edible product using lactic acid bacterial organisms which are defective in their pyruvate metabolism. There is also provided starter culture compositions comprising such defective lactic acid bacteria as helper organisms and lactic acid bacterial starter culture strains. Useful helper organisms are Lactococcus strains which are defective with respect to pyruvate formate lyase (Pfl) and/or lactate dehydrogenase (Ldh) activity. The helper organisms may overexpress a gene coding for an NAD+ regenerating enzyme such as NADH oxidase encoded by nox gene.

The invention relates to a method for culturing chlorella by using sludge anaerobic digestion liquid. The method is characterized by comprising the following steps of: (1), removing suspended mattersfrom digestion liquid generated by anaerobic digestion of residual sludge drained by a secondary sedimentation tank through pretreatment to obtain sludge anaerobic fermentation liquid, and mixing thesludge anaerobic fermentation liquid with secondary effluent to perform concentration regulation to obtain pretreated wastewater; (2), carrying out habituated culturing on algae growing in an artificial culture medium in pretreated wastewater obtained in the step (1) and carrying out habituated culturing continuously at a proper light intensity and temperature; and (3), carrying out photobioreactor culturing and carrying out temperature control, hydraulic retention time control, pH control and CO2 aeration control. With the provided method, wastewater recycling is realized. On the one hand, the chlorella is used as an excellent biomass diesel raw material and resources are recycled; on the other hand, the wastewater is treated in a low-energy-consumption mode, the environment is protected.The method has main advantages of wastewater purification, nutrient element recycling, greenhouse gas capturing, oil-rich microalgae biomass harvesting and the like.

Method for the inhibition of carbon flow in the glycolytic direction in a cell by increasing the intracellular availability of trehalose-6-phosphate.

This invention relates to methods for increasing carbon fixation and/or increasing biomass production in a plant, comprising: introducing into a plant, plant part, and/or plant cell one or more heterologous polynucleotides encoding polypeptides having the enzyme activity of succinyl CoA synthetase, 2-oxoglutarate:ferredoxin oxidoreductase, 2-oxoglutarate carboxylase, oxalosuccinate reductase and isocitrate lyase to produce a stably transformed plant, plant part, and/or plant cell expressing the one or more heterologous polynucleotides. The methods further comprise introducing into a plant, plant part or plant cell heterologous polynucleotides encoding polypeptides having the enzyme activity of glyoxylate carboligase and tartronic semialdehyde reductase, and/or heterologous polynucleotides encoding a superoxide reductase from an archaeon species, an aquaporin and/or an inhibitor of cell wall invertase inhibitor. Additionally, transformed plants, plant parts, and/or plant cells are provided as well as products produced from the transformed plants, plant parts, and/or plant cells.

The invention specifically relates to a method for improving the output of ethanol through rapid fermentation of sucrose and application thereof, belonging to the field of genetic engineering technology. According to the invention, a recombinant Saccharomyces cerevisiae strain SC1-ST for heterogenous expression of a sucrose transport protein gene sut1, and the strain SC1-ST can rapidly ferment sucrose to produce bioethanol in a medium with sucrose as a carbon source. Compared with fermentation of sucrose with wild bacterial strains, the method for fermenting sucrose with the SC1-ST strain in the invention can substantially improve the sucrose fermentation performance of Saccharomyces cerevisiae and allows biomass output, ethanol yield and sucrose consumption to be substantially increased. Thus, it is proved that the method for improving the sucrose fermentation performance of Saccharomyces cerevisiae via sucrose transport protein has great industrial application potential in high-efficiency fermentation of sucrose for production of bioethanol and rare biochemical products.

The present inventive disclosure is generally directed to a biodegradable device that can house multiple worm-cocoon capsules, as well as an effective amount of shredded organic fibrous materials (such as coir fiber or shredded paper) that is infused with hormones, nutrients, and/or amino acids that are beneficial to earthworms. In some embodiments, these devices are referred to as “Worm Bombs™”, which are planted at effective intervals in gardens and/or compost heaps, leading to stable and vigorous earthworm populations and softened, nutrient-rich soil that is ideal for growing. It is known in the art that earthworm biomass production can be significantly enhanced with the introduction of growth hormones, which inter alia, increases the efficiency of waste conversion of worms.

Modified cell lines and methods for use in the production of cultured meat are disclosed. The inventive methods provide for insertion of cell cycle regulatory genes or genes that encode for animal myoglobin into the genome of an animal cell to proliferate and flavor cell productions, followed by excising the inserted genes to terminate proliferation.

Biosecure algae and methods for preparing biosecure algae that have a substantially decreased capability to survive in a natural environment are described. The methods include transforming a genetically modified alga to include an essential gene that is operably linked to a promoter system that is active only in the presence of an inducer compound, transforming the genetically modified alga to include a lethal gene that is operably linked with a promoter system that is inactive only in the presence of a repressor compound. The biosecure algae are only able to survive in an artificial algae culture that includes factors or conditions not found in a natural environment.

The invention discloses a system and a method for utilizing biogas slurry and straw hydrolysate to prepare an amino acid and separate CO2. In the system and the method, the straw hydrolysate and the biogas slurry are utilized for candida fermentation, a composite amino acid is obtained after yeast hydrolysis, the composite amino acid is neutralized through KOH to generate a composite amino acid salt which is relatively low in cost, the composite amino acid salt is applied to CO2 absorption and separation, and an amino acid salt solution rich in CO2 and the biogas slurry after fermentation are mixed according to a certain proportion to be applied to agricultural production. By the system and the method, the defect that conventional chemical absorbents are large in degradation loss and high regeneration energy consumption is avoided effectively, most ammonia nitrogen in the biogas slurry is removed, nutritional ingredient content in the biogas slurry is increased, the biogas slurry is enabled to be easier to treat and use, and win-win effect in the aspects of energy resource and environment is realized.