42 results about "Alteromonas" patented technology

The invention relates to a marine bacterium, wherein the bacterium is characterized in that the bacterium is Alteromonas colwelliana A321 separated in seawater in Qingdao sea area. The preserving unit is CCTCC (China Center For Type Culture Collection) for short and the preserving number is M 2012132. The culture provided by the invention has the characteristics of simplicity in nutritional requirement, easiness in cultivation and short generation time. The growth temperature range of the bacterium is 10-40 DEG C, most preferably 28 DEG C. The growth pH range is 4-11, most preferably 7. The invention further discloses a method for producing a gel-type enteromorpha polysaccharide degrading enzyme by the Alteromonas and the gel-type enteromorpha polysaccharide degrading enzyme obtained by the method. The gel-type enteromorpha polysaccharide degrading enzyme produced by the method provided by the invention can efficiently degrade enteromorpha polysaccharide and can be used to preparation of enteromorpha polysaccharides. Compared with chemical methods, the method provided by the invention is simple in preparation process, high in product yield and stable in quality, active groups are not damaged in the preparation process, and activity study and development of polysaccharides are guaranteed.

The invention discloses an aloe-containing moisturizing cosmetic composition. The aloe-containing moisturizing cosmetic composition is prepared from, by weight, 55-89.5% of aloe vera extract, 5-20% of codium tomentosum, 5-20% of alteromonas espejiana fermentation product extract, 0.1-0.5% of hyaluronic acid and the balance cosmetic matrix. Compared with the prior art, the aloe-containing moisturizing cosmetic composition fully utilizes natural moisturizing ingredients, through scientific compatibility, the cooperativity, effectiveness and compatibility between various effective ingredients in the formula are fully utilized, water can rapidly permeate into skin, it is promoted that the skin absorbs the water, a moisturizing film is built on the surface of the skin while moisturizing is achieved, loss of the water of the skin is reduced, meanwhile, skin tissue cells can be effectively repaired, and normal self metabolism and balance of the water of the skin can be restored. Thus, the composition has a long-term and remarkable skin moisturizing effect. In addition, the composition is natural in source, safe in ingredient, mild and reliable, and can be widely applied to cosmetics.

Extra-cellular product anti-biofouling against marine invertebrates which are common to the biofouling, which contains an extract of the supernatant of an Alteromonas sp. Culture. Anti-biofouling composition, comprising said extra-cellular product and a biopolymer. The use of said extra-cellular product for preparing a composition useful for inhibiting the marine micro- and macro-biofouling, and the process for preparing said extra-cellular product.

The invention relates to a preparation method of a microbial bactericide, which belongs to the field of microbial fermentation industry. The invention discloses a method for preparing Vibrio anguillaris bactericide by using Pseudoalteromonas sp., which consists of (1) slant activation and culture of strains, (2) liquid fermentation culture, (3) crude fermented liquid Mention, (4) steps such as the preparation of bacteriostatic agent are formed. The method of the invention is simple, the culture medium is cheap and easy to prepare, and the liquid culture technology is adopted, which is beneficial to enlargement and industrialized production, and has stable properties and good application value.

The invention discloses alteromonas and an application thereof in inhibiting the growth of red-tide algae. The collection number of the alteromonas 18# provided by the invention is CGMCC NO.5840. The invention also provides a method for preparing the extracellular extract of the alteromonas 18# with the collection number of CGMCC NO.5840. Proved by the experiment, the invention discovers the alteromonas 18#. The bacterium and extracellular products have the function of inhibiting the algae and can be used for inhibiting the red tide.

The invention relates to marine bacteria capable of antagonizing two important pathogenic vibrios of marine culture and an application of the marine bacteria. The antagonistic bacteria are marine-derived pseudoalteromonas agarivorans and are preserved in the common microorganism center of the China General Microbiological Culture Collection Center, and the preservation number of the antagonistic bacteria is CGMCC No17154. The pseudoalteromonas screened by the method is separated from Antarctic ice sea water, and the marine bacteria capable of antagonizing important pathogenic vibrio anguillarum and vibrio alginolyticus in aquaculture is a biological prevention and control potential strain with high prevention and control efficiency, wide prevention and control range and good environmentalsafety, and has good development and application prospects.

Genetically engineered organophosphorus acid anhydrolases (OPAA) with improved catalytic efficiency and relaxed stereospecificity are provided. The variants typically include a mutation at the residue corresponding to H343 of wildtype Alteromonas sp. OPAA. The mutation allows the OPAA enzyme to effectively process both VR enantiomers. The OPAA optionally include one or more mutations selected the residues corresponding to Y212, V342, and I215 of wildtype Alteromonas sp. OPAA which improve the enzyme's catalytic efficiency for VX and VR. A particularly preferred OPAA includes mutations at the residues corresponding Y212F, V342L, I215Y, and H343D relative to wildtype Alteromonas sp. OPAA. Compositions including an effective amount of OPAA to increase hydrolysis of an organophosphate, and methods of use thereof for treating subjects exposed to an organophosphate, or a surface or liquid contaminated with an organophosphate are also provided.

The invention provides an isochrysis galbana propagation method. The highest propagation density of isochrysis galbana is increased by adding an algal beneficial bacterium separated from isochrysis galbana, and the plateau maintenance time of isochrysis galbana is prolonged. According to the method, one specific strain of the used phycomycetes beneficial bacteria screened from isochrysis galbana is an Alteromonas sp. NBU-A-0001 strain, and the preservation number of the phycomycetes beneficial bacteria is CCTCC M 2020010; according to the method disclosed by the invention, the propagation speed of isochrysis galbana is much higher than the microalgae culture speed of a conventional microalgae nutrient solution; the highest propagation density and the plateau period maintaining time are farlonger than those of a conventional culture nutrient solution, more microalgae can be supplied under the same water body condition, and meanwhile, due to the fact that the plateau period is usually not prone to decay, microalgae quantity control and production management in the actual shellfish large-scale production process are quite facilitated.

The invention relates to the field of environmental treatment, and in particular relates to sulfur oxidizing bacteria and application thereof. The sulfur oxidizing bacteria are Pseudoalteromonas sp. LZB5-2, and have been preserved in the China General Microbiological Culture Collection Center on January 29, 2021; the preservation address is Beijing, China; the preservation number is CGMCC NO.21762; and the classification name is Pseudoalteromonas sp. According to the invention, sludge, sewage waste and the like which cannot be directly utilized are comprehensively utilized by utilizing microorganisms; and the invention can also be applied to aquatic product culture.

The invention relates to an alteromonas, a biological flocculant prepared by utilizing the alteromonas and a preparation method. The alteromonas is preserved on July 25th, 2017 with the preservation number of CGMCC No.14457. Fermentation products of the alteromonas are directly centrifuged to obtain a floccular extracellular product, namely the biological flocculant, and the biological flocculantis mixed with a solution containing cupric ions, so that a compound biological flocculant is obtained. The alteromonas screened out produces a microorganism flocculant through fermentation; and the microorganism flocculant is easy to separate and extract, the preparation method is simple, workload of biological downstream engineering can be effectively alleviated, cost of the microorganism flocculant is reduced, and production efficiency of the microorganism flocculant is greatly improved.

The invention relates to a compound microbial purifying agent for river sewage purification and a preparation method thereof. The compound microbial purifying agent contains compound bacteria, and thecompound bacteria include bacillus subtilis, photosynthetic bacteria-rhodopseudomonas palustris, pseudomonas stutzeri, alteromonas denitrificans and nitrosomonas europaea. The preparation method of the compound microbial purifying agent for river sewage purification is simple; the compound microbial purifying agent can quickly, comprehensively and effectively purify a water body, quickly and effectively reduce the COD, N, TP and chroma in river sewage and obviously relieve the black color and bad odor of the water body, and has obvious effects and significant ecological benefits; the compoundmicrobial purifying agent is also suitable for in-situ remediation of polluted rivers, and has the advantages of being low in cost, easy to use and the like.

The invention discloses alteromonas and an application thereof in inhibiting the growth of red-tide algae. The collection number of the alteromonas 18# provided by the invention is CGMCC NO.5840. The invention also provides a method for preparing the extracellular extract of the alteromonas 18# with the collection number of CGMCC NO.5840. Proved by the experiment, the invention discovers the alteromonas 18#. The bacterium and extracellular products have the function of inhibiting the algae and can be used for inhibiting the red tide.

The invention provides a strain for promoting attachment and metamorphosis of shellfish larvae and application. The strain is classified and named as Pseudoalteromonas sp., the strain is preserved in China General Microbiological Culture Collection Center (CGMCC) on June 8, 2020, the preservation address is Beijing, China, and the preservation number is CGMCC NO.20040. The invention further relates to application of the strain in the attachment, metamorphosis and development process of shellfish seedlings. The strain is adopted for induction, so that the attachment and metamorphosis rate of haliotis discus hannai seedlings can be increased. There is no toxic or side effect, and no influence is caused on haliotis discus hannai. The strain can be matched with other active substances for use, so that the attachment rate of the haliotis discus hannai seedlings is increased. The strain is high in operability, convenient, simple and high in practical applicability.

The invention belongs to the technical field of biomedicine or the technical field of cosmetics and discloses a composition for improving the tolerance of skin and a preparation method of the composition; the composition is prepared from the following raw materials: alteromonas fermentation product extract and beta-glucan; furthermore, the composition is prepared from the following raw materials:the alteromonas fermentation product extract, the beta-glucan, glycine soja seed extract and glycosphingolipids; the raw materials are prepared into a liquid preparation and the hemolytic rate causedby SDS (Sodium Dodecyl Sulfate) can be remarkably reduced; the liquid preparation provided by the invention is added into the cosmetics and has a very good effect of improving the tolerance of the skin.

Disclosed are compositions and methods for their use for cosmetic applications. The composition can include Schisandra chinensis fruit extract, Secale cereale (rye) seed extract, Centella asiatica meristem cell culture, Alpinia galangal leaf extract, dihydroxymethyl chromone, tripeptide-1, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, Alteromonas ferment filtrate, Pisum sativum (pea) extract, or combinations thereof. An effective amount of the composition can be applied on skin to inhibit production of TNF-α production, tyrosinase, and / or elastase in skin, inhibit the Matrix Metalloproteinase Enzyme activity in skin, and / or promote the production of fibronectin, collagen, elastin, laminin, and / or hyaluronic acid in skin.

The invention discloses a spot fading pen. The spot fading pen is prepared from the following components in parts by weight: 0.005 to 0.02 part of ascorbyl glucoside, 0.03 to 0.06 part of an alternaria alternata fermentation product extract, 0.001 to 0.003 part of a yeast extract and 0.002 to 0.006 part of a flos sophorae extract. According to the spot fading pen, natural components including theascorbyl glucoside, the alternaria alternata fermentation product extract, the yeast extract and the flos sophorae extract are added, so the skin quality can be effectively improved, and the skin color difference can be adjusted.

The invention discloses a whitening cream. The whitening cream comprises ascorbyl glucoside, alteromonas fermentation product extract, yeast extract and flos sophorae extract. The ascorbyl glucoside,the alteromonas fermentation product extract, the yeast extract and the flos sophorae extract added to the whitening cream cooperate with one another, so that the skin quality can be improved, the color difference of the skin can be adjusted, and the whitening effect can be realized from inside to outside.

The invention relates to the technical field of cosmetics, in particular to a soothing and moisturizing composition as well as a preparation method and application thereof. According to the invention, the spirulina platensis extract, the scutellaria alpina flower / leaf / stem extract and the alteromonas fermentation product extract are combined and compounded, so that the achieved effect is obviously better than that of single or simple combination, and the effects of enhancing skin resistance, maintaining skin health and stability and relieving skin discomfort are realized.

The invention discloses a marine aspergillus sp. SCAU137. The marine aspergillus sp. Has the capability of generating alkaloid through fermentation, and the alkaloid has the capability of resisting marine fouling substances. According to the anti-fouling detection method for alkaloid produced by marine aspergillus, a fouling microbial population is taken as a detection object for the first time, and the anti-fouling potential of a compound can be comprehensively detected; a part of results can be identified by naked eyes, and the compound has a remarkable marine fouling resistance effect, has a good inhibition effect on the growth of biofilm-producing fouling bacteria such as psychrobacter, alteromonas, pseudomonas, vibrio, rujgera, erythrobacter and shewanella, can be used as a microecological preparation for resisting marine fouling, has good application potential and popularization prospect, and has wide application prospects. And scientific research reference basis can be provided for research and development of environment-friendly marine biological agents.

The invention provides a preparation method for improving phycoerythrin yield, which comprises the following steps: step 1, mixing acrochaetiaceae, fermentation bacteria liquid containing pseudoalteromonas wandering and seawater to obtain a acrochaetiaceae bacteria liquid mixture; and step 2, fermenting the acrochaetiaceae bacterial liquid mixture under a time condition, a temperature condition and a rotating speed condition, so that the acrochaetiaceae is crushed to release phycoerythrin. The invention further provides an application of the bacteria for breaking the acrochaetiaceae.