ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS ГИСК № 268 - ПРОДУЦЕНТ ТЕРМОЛАБИЛЬНОГО ЭНТЕРОТОКСИНА

Изобретение относится к биотехнологии. Штамм бактерий Serratia marcescens ГИСК №268 - продуцент термолабильного энтеротоксина - выделен от больного с раневой инфекцией. Выделение нового штамма обеспечивает расширение ассортимента штаммов - продуцентов термолабильного энтеротоксина. Штамм обладает высокой продуктивностью. 1 табл.

CПOCOБ ПOЛУЧEHИЯ KУЛЬTУPAЛЬHOЙ ЖИДKOCTИ SERRATIA MARCESCENS, OБЛAДAЮЩEЙ XИTИHAЗHOЙ AKTИBHOCTЬЮ

Способ защиты грамотрицательных бактерий от теплового воздействия

PROCEDURE FOR THE PRODUCTION OF OPTICALLY ACTIVE BETA AMINO ALCOHOLS

ESTERASE OF SERRATIA AND PROCEDURES FOR THE PRODUCTION

Use of Serratia marcescens in preparing termite antifeedant

Abstract Disclosed is the use of Serratia marcescens in preparing a termite antifeedant. The termite antifeedant is prepared in the form of a liquid culture of a Serratia marcescens strain. Serratia marcescens is featured by the simple culturing condition, short growth cycle, rapid growth rate, and 5 easy propagation, while being not a chemical agent, and therefore it can be used as a promising termite antifeedant.

ESTERASE AND PROCESS FOR PREPARING THE SAME

Method for improving acid stress resistance of Serratia marcescens

Serratia marcescens and preparation method and application thereof

Method used for increasing 2,3-butylene glycol yield

The invention relates to a method used for increasing 2,3-butylene glycol yield. The method is mainly used for solving a problem of existing technology that yield of 2,3-butylene glycol is relatively low. According to the method, bacteria are subjected to high sugar resistance domestication firstly; the domesticated bacteria are used for fermentation culturing, and an antibiotic is added in fermentation culturing processes, wherein the antibiotic is at least one selected from penicillin, cephalosporin, bacillus, D-cycloserine, and the like which are capable of inhibiting cell wall synthesis, and polymyxin B, nystatin, amphotericin, or valinomycin which are capable of influencing cytomembrane functions, and adding concentration of the antibiotic ranges from 0.0001 to 5g/L. The method is capable of increasing 2,3-butylene glycol yield, and can be used for production of 2,3-butylene glycol.

Serratia marcescens S-JS1 and application thereof

Purified bacterial proteoglycans, process for their preparation and vaccine containing them

ШТАММ БАКТЕРИЙ SERRATIA ODORIFERA ГИСК N275 - ПРОДУЦЕНТ ТЕРМОЛАБИЛЬНОГО ЭНТЕРОТОКСИНА

Изобретение относится к биотехнологии. Штамм выделен от больного с урологической инфекцией. Штамм обладает высокой продуктивностью и может быть использован при производстве вакцин. 1 табл.

Способ оценки влияния защитных лесных полос на микробиальную очистку поверхностного стока

CПOCOБ ПOЛУЧEHИЯ KУЛЬTУPAЛЬHOЙ ЖИДKOCTИ SERRATIA MARCESCENS, OБЛAДAЮЩEЙ XИTИHAЗHOЙ AKTИBHOCTЬЮ

Штамм @ @ @ @ -3 @ -продуцент эндонуклеазы рестрикции @ @

Штамм Serratia marcescens BKM R-3D (Всесоюзная коллекция микроорганизмов при ИБФМ АН СССР) - продуцент эндонуклеазы рестрикции Sma 1.

Способ получения культуральной жидкости SеRRатIа маRсеSсеNS, обладающей хитиназной активностью

Использование: биотехнология, касается способа получения культуральной жидкости Serratia mercescens с хитиназной активностью. Хитиназа (К.Ф. 3. 2.1.4) может быть использована для биоконверсии хи- тинсодержащих отходов в белок одноклеточных дрожжей, борьбы с насекомыми и патогенными грибами, вредителями сельскохозяйственных растений, как биохимический реагент в лабораторной практике. Сущность изобретения: осуществляют культивирование мутантного штамма Serratia marcescens ВКПМ В-4870 на среде, содержащей , г/л: цитрат аммония 5,0; глицерин 5,0; К2НРО« 10,0; MgS04«7H20 0.5; NaCI 0,5; FeO/jO,025; кукурузный экстракт 2,5; рН среды 7,6 в течение 24 ч при 30°С с аэрацией. 1 табл. fe ...

Verfahren zur Herstellung von 5'-Inosinsäure.

PURIFIED BACTERIAL PROTEOGLYCANS, PROCESS FOR THEIR PREPARATION AND VACCINE CONTAINING THEM

Fermentative production of L-threonine

An improved method for the fermentative production of L-threonine in a high yield, which comprises cultivating a methionine metabolism-antagonist resistant mutant of Serratia marcescens having L-threonine productivity in a broth to form and accumulate L-threonine therein and recovering accumulated L-threonine from the broth.

PLASMIDVEKTOREN, PLASMIDE WITH GENES FOR ALKALINE PHOSPHATASEN AND BACTERIA, LATTER CONTAINING, YOUR PRODUCTION AND USE.

PROTEIN WITH CELL GROWTH-STIMULATING EFFECT, ITS COMPOSITION AND PROCEDURE FOR ITS PRODUCTION.

PROTEIN HAVING CELL GROWTH STIMULATING ACTION COMPOSITION THEREOF AND METHOD FOR PRODUCING THE SAME

A protein which is characterized by the following properties: (i) having a molecular weight of from about 5,000 to about 160,000 when the value is obtained from a calibration curve showing a relationship between the molecular weight and the amount eluted obtained by means of highperformance liquid chromatography using as marker proteins; thioglobin (with a molecular weight (M.W.) of 670,000), bovine .gamma.-globulin (with a M.W. of 158,000) fowl ovoalbumin (with a M.W. of 44,000), equine myoglobin (with a M.W. of 17,000), and vitamin B12 (with a M.W. of 1,350); (ii) composed predominantly of neutral and acidic amino acids and containing significant amounts of glutamic acid and aspartic acid as the acidic amino acids; (iii) having a cell growth stimulating activity; and (iv) being substantially free of nucleoside phosphotransferase, which is useful as a wound treatment agent and a promoting agent in the synthesis of DNA, and so forth.

GENE CODING FOR ESTERASE AND NOVEL MICROORGANISM CONTAINING SAID GENE

A gene encoding an esterase originated from a microorganism of the genus Serratia, a mutant strain having high esterase productivity containing said gene, a recombinant plasmid comprising said gene inserted into a vector plasmid, a novel microorganism transformed with said recombinant plasmid, and a method for the production of an esterase which comprises cultivating the mutant strain or the novel microorganism as set forth above in a medium and collecting the produced esterase outside and inside the cells. Said mutant strain having high esterase productivity and new transformed microorganism have excellent esterase productivity and can produce the desired esterase in high purity on a large scale.

Microbial synthesis preparation method and application of cotton red nano pigment dyeing liquor

Serratia Serratia marcescens and application thereof

Method for producing prodigiosin by fermenting waste corn steep liquor

The invention discloses a method for producing prodigiosin through fermentation of waste corn steep liquor. On one hand, by optimizing a fermentation culture medium formula, a byproduct corn steep liquor dry powder in the starch industry partially replaces tryptone to serve as a nitrogen source; on the other hand, the invention further provides a method for producing the prodigiosin through fermentation by using the fermentation culture medium, and the yield of the prodigiosin can reach 10.68 g/L within 48 hours in large-scale fermentation in a 100L fermentation tank. According to the method, the cost of fermentation production of prodigiosin can be greatly reduced, and a new closed loop of starch industrial environment-friendly production is expected to be constructed.

PROTEOGLYCANES BACTERIENS PURIFIES, PROCEDE POUR LEUR PREPARATION ET VACCIN LES CONTENANT

La présente invention concerne un procédé pour la préparation de protéoglycanes. Il s'agit d'un procédé de préparation de protéoglycanes membranaires bactériens purifies, caractérisé en ce qui comporte au moins une étape de traitement des protéoglycanes bruts en milieu aqueux par une base ou un hypobromite, suivi par l'élimination de l'excès de réactif et du résidu insoluble, les protéoglycanes purifiés se trouvant en solution aqueuse. Ces protéoglycanes sont utiles comme adjuvant d'immunité.

COLD-ACTIVE PROTEASE CP-58 AND PSYCHROTROPHIC BACTERIA

A cold-active protease is here disclosed which has the following physicochemical properties: (a) specific activity and substrate specificity: the protease acts on casein, gelatin, albumin and hemoglobin to specifically decompose them in the order of casein, gelatin, albumin and hemoglobin; (b) optimal pH: 7.5 to 8.0; (c) pH stability: the protease is stable at a pH in the range of 5.5 to 10.5 at 20 °C for 1 hour; (d) optimal temperature: 20 °C at pH 10.5 and 40 °C at pH 8.0; (e) temperature stability: at pH 10.5 for 1 hour, the protease is scarcely inactivated at a temperature of 10 °C to 30 °C, but it is inactivated at 40 °C as much as about 30 % and completely inactivated at 50 °C; (f) enzyme activity: the protease has about 60 % or more of its maximum activity at 20 °C; (g) the active center of the enzyme is a metallic ion; and (h) the molecular weight of the protease is about 58 kDa as measured by SDS-PAGE.

Штамм бактерий ЕSснеRIснIа coLI - продуцент активатора плазминогена тканевого типа

Изобретение относится к активатору человеческого плазминогена и новому штамму бактерий, трансформированному плазмидой PT - PATRP12 - продуценту активатора плазминогена тканевого типа. С помощью генно-инженерных приемов конструируют плазмиду PT - PATRP12, кодирующую 1 - 110 аминокислоты плазминогена. Полученной плазмидой трансформируют штамм E.COLI К12, путем многократного пересева отбирают клон, синтезирующий до 50 пг на 1 клетку в 1 день активатора тканевого плазминогена.

NEUER SERRATIA MARCESCENS STAMM, PRODIGIOSIN SOWIE DESSEN VERWENDUNG ALS IMMUNSUPPRESSIVUM

CLEANED BACTERIAL ONES PROTEOGLYCANE, PROCEDURES FOR YOUR PRODUCTION AND IT CONTAINING VACCINE.

REGULATED GENE EXPRESSION

GENE PARTICIPATING IN THE MECHANISM OF SECRETION OF ESTERASE

The present invention is directed to a gene encoding a polypeptide which participates in the mechanism of secretion of esterase originating from a microorganism of the genus Serratia, a recombinant plasmid comprising a plasmid prepared by inserting said gene into a vector plasmid, a microorganism transformed with said recombinant plasmid, and a method for the production of an esterase which comprises cultivating the transformant microorganism as set forth above in a medium and collecting the produced esterase outside and inside the cells. The transformed microorganism having a remarkably excellent capability of extracellular secretion of esterase.

High-efficiency composite inocula for removing salad oil-containing waste water COD and application thereof

The invention discloses a high-efficiency composite inocula for removing salad oil-containing waste water COD and an application thereof. The composite inocula is composed of four high efficiency grease degrading bacteria, and are respectively candida tropicalis HY-A-3, serratia plymuthica SH-AB-1, candida tropicalis SZ2-A-3 and serratia marcescens LB1-AB-2. According to the invention, a bacterium source sample is collected from activated sludge and restaurant sewer sewage in a sewage treatment factory, single bacterium capable of removing salad oil waste water COD with high efficiency can be screened by separating; then the high efficiency composite inocula is constructed through a complex formulation experiments, and the result is characterized in that an inocula combination of HY-A-3, SH-AB-1, SZ2-A-3 and LB1-AB-2 has the highest COD clearance rate. When the concentration of the composite inocula is 1-5%, the inocula combination has more than 75% on salad oil waste water COD clearance ...

Method for producing butylene glycol

The invention discloses a method for producing butylene glycol, which comprises: activating serratia marcescens with a seed culture medium, and respectively culturing the activated serratia marcescens in a shaking table and in a 3.7 L bioreactor to obtain a fermentation culture solution containing 2,3-butylene glycol. The advantages of the invention are that: the yield, the conversion rate and the production capacity of 2,3-butylene glycol are improved; problems of cell contamination and resource recovery are solved; and energy is saved and emission is reduced.

Viscous Serratieae and acetonic acid produced by biotransformation of DL-lactic acid thereof

Serratia Serratia marcescens efficiently inhibiting Aspergillus flavus to synthesize aflatoxin and application thereof

Method of dyeing cotton fabric based on pH-responsive biosynthetic pyrrole-structure red nano pigment

IMMOBILIZED NUCLEASE FROM SERRATIA MARCESCENS

L'invention concerne des variantes de nucléase actives au plan des enzymes et provenant de Serratia marcescens ([S.m.] nucléase) qui ne se dissocient pas en sous-unités. On peut obtenir ces variantes de [S.m.] nucléase par des substitutions d'acides aminés dans des positions qui forment des zones de contact entre les sous-unités de la [S.m.] nucléase native. Ces variantes conviennent particulièrement bien pour immobiliser des [S.m.] nucléases sur des supports de base.

Protein having cell growth stimulating action, composition thereof and method for producing the same

A protein effective in stimulating cell growth activity. The protein has a molecular weight of from 5,000 to about 160,000, is composed predominantly of neutral and acidic amino acids, contains a significant amount of glutamic acid and aspartic acid, and is substantially free of nucleoside phosphotransferase. The protein is useful as wound treatment agent and as promoting agent in the synthesis of DNA. A method of producing the protein and compositions containing the same are also disclosed.

Overcoming DAPA aminotransferase bottlenecks in biotin vitamers biosynthesis

A method is disclosed for the increased production of biotin and the biotin precursor dethiobiotin using a bacterium that produces a lysine-utilizing DAPA aminotransferase. The method involves the use of a bacterium that is either grown in the presence of lysine or deregulated for lysine biosynthesis.

ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS-ПРОДУЦЕНТ ЛИПАЗЫ

Изобретение может быть использовано в микробиологии, биотехнологии, медицине, косметологии. Штамм Serratia marcescens B-10L - 1 (НИИ ККМ В-687) - продуцент липазы получен из исходного музейного штамма Serratia marcescens В-10 как спонтанный вариант. Длительность культивирования снижена с 24 до 20 ч, выход фермента составляет 800 ед. акт./мг биомассы. Выявление нового штамма обеспечивает расширение ассортимента штаммов - продуцентов липазы, обладает высокой продуктивностью, уменьшает продолжительность культивирования в 2,5 раза. 1 табл.

Способ получения культуральной жидкости SеRRатIа маRсеSсеNS, обладающей хитиназной активностью

STRAIN BACTERIUM PRODICIOSUM (SERRATIA MARCESCENS) B-10, M-2-PRODUCER

Verfahren zur Herstellung von 5'-Inosinsäure.

FERMENTATIVE PRODUCTION OF L-THREONINE

ENZYMES FROM THE BACILLUS PABULI FOR THE DISMANTLING OF THE CELL WALL.

FOR ESTERASE CODING GENE AND THIS GENE CONTAINING MICROORGANISM

PROCEDURE FOR THE PRODUCTION OF OPTICAL-ACTIVE 3 - PHENYLGLYCIDSÄURE ESTERS

A Soil activator and preparation method

Abstract The invention provides a soil activator and its preparation method. The method first mixes the active ingredient, the nutrient element mixture, the binder and the activator are mixed uniformly to obtain the mixed powder. Then the mixed powder is mixed with water and stirred evenly to make a semi-wet mixture, after being granulated and dried, the soil activator was obtained; wherein the active ingredients are obtained by mixing rhizome residues removed during the production and selection process of Angelica, Astragalus, and Codonopsis. The production cost of the invention is low, the preparation method is simple, easy to control and easy to operate, strong adsorption capacity, good slow-release effect, and does not pollute the environment. It can not only improve the soil fertility, but also improve the utilization rate of fertilizer efficiency. It may quickly improve soil activity, loosen the soil, and rebuild the soil ecological balance, which is suitable for industrial production ...

BACTERIAL PROTEOGLYCANS

BACTERIAL PROTEOGLYCANES PURIFY, PROCEEDED FOR THEIR PREPARATION AND VACCINE THE CONTAINER

TRANSGENIC BACTERIA AND METHODS OF USING SAME

The present invention is directed to a transgenic bacterium including at least one polynucleotide encoding a Bacillus thuringiensis israelensis (Bti) proteinaceous toxin. Further provided are compositions comprising the bacterium of the invention as well as methods of using same, such as for controlling a pest insect.

Esterase purified from serratia marcescens SR41 (FERM BP-No. 487)

A novel esterase which is derived from Serratia marcescens is disclosed. Said esterase has the following physico-chemical properties and enzymatic characteristics: (1) Activity; it (i.e., said esterase) hydrolyzes an ester bond of organic carboxylates, (2) Substrate specificity; it acts on alkyl esters of organic carboxylic acids, triglycerides or thiol esters, (3) Optimum pH; its optimum pH is 7.5-9.0 when the hydrolysis is carried out by using olive oil as the substrate, (4) pH stability; it is stable at pH 5.0-9.0 when it is stored at 30° C. for one hour, (5) Optimum temperature; its optimum temperature is 40°-50° C. when the hydrolysis is carried out by using olive oil as the substrate, (6) Heat stability; it is stable at a temperature of not higher than 50° C. when it is stored at pH 8.0 for 30 minutes, (7) Molecular weight; 62,000±2,000 (SDS-polyacrylamide gel electrophoresis), (8) Isoelectric point; 4.6±0.1, (9) Effect of metal ions; it is activated in the presence of 1 mM calcium ...

NOVEL $i(SERRATIA MARCESCENS) STRAIN, PRODIGIOSIN AND THE USE OF THE SAME AS AN IMMUNOSUPPRESSIVE

Штамм бактерий SеRRатIа маRсеSсеNS - продуцент @ , @ -диаминопимелиновой кислоты

Изобретение относится к микробиологической промьшшенности и касается нового штамма бактерий - продуцента fit, f-диаминопимелиновой кислоты, которая может быть использовано для производства лизина, а также в пищевой промышленности и медицине. Цель изобретения - йовый штамм бактерий Serratia marcescens, с более высокой скоростью продуцирующий с/, -диамино- пимелиновую кислоту. Штамм S.marcescens ВКП1 1В-23 15, полученный путем ступенчатой селекции с применением мутагена, накапливает в культураль- ной жидкости на синтетической среде после 72 ч ферментации до 15 г/л о ,Е-диаминопимелиновой кислоты. 2 табл. 2 ил.

Штамм BACTERIUM PRODIGIOSUM (SERRATIA MARCESCENS) В-10, М-2 - продуцент неспицифической эндонуклеазы

PROTEIN HAVING CELL GROWTH STIMULATING ACTION COMPOSITION THEREOF AND METHOD FOR PRODUCING THE SAME

Serratia marcescens culture dish

Synthetic method and application of pyrryl BODIPY compound

Integrated method for cyclic utilization with microorganism biomass in production process of 2,3-butanediol

The invention relates to an integration method of the production process of 2,3-butanediol and the recycling of microbial biomass, and the integration method comprises: the 2,3-butanediol is produced by the fermentation of the serratia marcescens seed bacteria; the recovered serratia marcescens is added in a fermentation culture medium of the second fermentation for carrying out the further fermentation culture. The serratia marcescens in fermentation products can be repeatedly utilized. The use of the method can not only improve the yield, the conversion rate and the production ability of the 2, 3-butanediol, but also effectively solve the thallus pollution and the recycling problem of resources, save the energy and reduce the emission.

METHOD FOR PRODUCING CHEMICAL BY MEANS OF CONTINUOUS FERMENTATION AND CONTINUOUS FERMENTATION DEVICE

Provided is a method for producing a chemical by means of a continuous fermentation method that stably maintains high production characteristics over a long period of time while heightening the cleaning effect by a gas with respect to a separation membrane by means of a simple operation method. The method for producing a chemical is characterized by including: a chemical generation step for generating a chemical by fermenting a starting material by means of culturing cells; a culture liquid supply step for supplying culture liquid containing the chemical to a membrane separation unit; a filtration step for filtering the culture liquid and separating a filtrate containing the chemical; a recirculation step for recirculating the unfiltered concentrate into a fermentation tank; and a cleaning step for cleaning by means of supplying a gas containing oxygen to the membrane separation unit while changing the amount to at least two different amounts. The method is further characterized by setting ...

ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS, ПРОДУЦИРУЮЩИЙЛИПОЛИТИЧЕСКИЕ ФЕРМЕНТЫ, ДЛЯ ПОЛУЧЕНИЯ ПРЕПАРАТА ДЛЯ ОЧИСТКИ СТОЧНЫХ ВОД ОТ ЖИРОВ

Изобретение относится к биотехнологии и может быть использовано в пищевой промышленности, в очистке сточных вод. Штамм бактерий Serratia marcescens KM ИБ УНЦ РАН ИБ 2-2 - продуцент липазы. Изобретение позволяет повысить выход липазы. 1 табл.

ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS, ОСУЩЕСТВЛЯЮЩИЙ ДЕГРАДАЦИЮ ФЕНОЛА И 2,4-ДИХЛОРФЕНОЛА

Изобретение относится к микробиологии синтетических органических соединений и касается микробиологического разрушения фенола и 2,4-дихлорфенола. Цель изобретения - повышение эффективности биологической деградации фенола и его производных в сточных водах предприятий нефтехимического профиля, а также производства дубильных экстрактов. 1 ил., 3 табл.

ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS - ПРОДУЦЕНТ ХИТИНАЗЫ

Использование: микробиология, биотехнология, сельское хозяйство. Сущность изобретения: в качестве продуцента хитиназы предложен известный штамм Serratia marcescens (B.prodigiosum) В-10 м-1 (ВКПМ В-3273), растущий на доступной дешевой среде, стабильный при хранении. Выход хитиназы составляет 0,3 - 0,5 ед/мл культуральной жидкости. Получение доступного стабильного штамма обеспечивает расширение ассортимента штаммов продуцентов хитиназы. 1 табл.

ШТАММ БАКТЕРИЙ SERRATIA MARCESCENS - ПРОДУЦЕНТ ЛИПАЗЫ

Штамм бактерий Serratia marcescens НИИ ККМ В-687 - продуцент липазы.

PROCESS FOR PREPARING (R)-3-CHLORO-1,2-PROPANEDIOL

A process for preparing optically active (R)3-chloro-1,2-propanediol, which comprises subjecting (R,S)-3-chloro-1,2-propanediol to the reaction of a microorganism belonging to genus Serratia in a reaction mixture, and then collecting the residual (R)-3-chloro-1,2-propanediol. According to the process of the present invention, (R)-3-chloro-1,2-propanediol can be efficiently prepared starting from low cost (R,S)-3-chloro-1,2-propanediol. The (R)-3-chloro-1,2-propane-diol is a useful starting material for synthesizing a variety of drugs and optically active compounds having physiological activity, for example it may be used for synthesizing L-carnitine.

ESTERASE AND PROCESS FOR PREPARING THE SAME

The present invention is directed to a novel esterase derived from Serratia marcescens. This esterase has the following physico-chemical properties and enzymatic characteristics: (1) Activity; it hydrolyzes an ester bond of organic carboxylates; (2) Substrate specificity; it acts on alkyl esters of organic carboxylic acids, triglycerides or thiol esters; (3) Optimum pH; its optimum pH is 7.5 - 9.0 when the hydrolysis is carried out using olive oil as the substrate; (4) pH stability; it is stable at pH 5.0 - 9.0 when it is stored at 30.degree.C for one hour; (5) Optimum temperature; its optimum temperature is 40 - 50.degree.C when the hydrolysis is carried out using olive oil as the substrate; (6) Heat stability; it is stable at a temperature of not higher than 50.degree.C when it is stored at pH 8.0 for 30 minutes; (7) Molecular weight; 62,000 ? 2,000 (SDS-polyacrylamide gel electrophoresis); (8) Isoelectric point; 4.6 + 0.1; and (9) Effect of metal ions; it is activated in the presence ...

OVERCOMING DAPA AMINOTRANSFERASE BOTTLENECKS IN BIOTIN VITAMERS

A process is disclosed for the increased production of biotin and the biotin precursor dethiobiotin using a bacterium that produces a lysine-utilizing DAPA aminotransferase. The process involves the use of a bacterium that is either grown in the presence of lysine or deregulated for lysine biosynthesis.

A serratia marcescens strain producing high-purity 2-keto-D-gluconic acid

The invention discloses a serratia marcescens strain producing high-purity 2-keto-D-gluconic acid, and belongs to the field of microorganisms. The strain is a serratia marcescens SDSPY-136 strain, is deposited in the China General Microbiological Culture Collection Center in February 9, 2015, and has an accession number of CGMCC No:10548. The strain can adopts glucose and trehalose as carbon sources, cannot ferment arabinos, is free of gas generation during glucose fermentation and is positive to catalase. The strain is used for production of the 2-keto-D-gluconic acid. Production of the 2-keto-D-gluconic acid by the strain is high in glucose conversion ratio and less in by-products, and the obtained 2-keto-D-gluconic acid is high in purity.

NOVEL CELL WALL LYTIC ENZYMES FROM BACILLUS PABULI

A bacteriolytic enzyme preparation obtained from a bacterial culture of Bacillus pabuli strains, e.g. isolates 350-2 (NRRL B-18446) and 391-1 (NRRL B-18447). This bacteriolytic enzyme complex is useful as an antibacterial agent against both Gram-positive and Gram-negative bacteria. The enzyme complex may be produced by cultivating the Bacillus pabuli microorganisms in an aqueous medium containing cornsteep liquor, after which the lytic enzyme complex can be recovered from the fermentation broth.

Novel esterase and process for preparing the same

Gene coding for esterase and novel microorganism containing said gene

NOVEL ESTERASE AND PROCESS FOR PREPARING THE SAME

PROCESS FOR PREPARING (2S, 3R)- OR (2R, 3S)-3- (ALKYLPHENYL) GLYCIDIC ACID ESTERS USING HYDROLASE

The present invention is directed to a process for preparing optically active 3-phenylglycidic acid esters comprising reacting a racemic trans-3-phenyl-glycidic acid with an alkanol in the presence of a hydrolase to esterify preferentially either (2S, 3R) isomer or (2R, 3S) isomer of said racemic compound and isolating and collecting the resulting optically active 3-phenylglycidic acid ester from the reaction mixture, whereby the optically active ester can be produced in a single step and in a highly pure form. The optically active 3-phenylglycidic acid esters are useful for the preparation of 1,5-benzothiazepine derivatives having pharmacological activities such as platelet aggregation inhibitory activity.

Method of producing lipopolysaccharide having antibacterial activity by means of Serratia marcescens NS-17 bacterial strain

PROCESS FOR PREPARING L AMINO ACIDS USING IMPROVED STRAINS OF ENTEROBACTERIACEAE FAMILY

Serratia marcescens and application thereof

The invention relates to the field of microorganism, and in particular discloses a serratia marcescens and an application thereof. The serratia marcescens is preserved in the China General Microbiological Culture Collection Center and has the preservation number of CGMCC No.7416. The serratia marcescens is transferred to the 40th generation and still has higher activity in inhibiting rubber powdery mildew and banana vascular wilt bacterial strain spores; the serratia marcescens has higher genetic stability, the rubber powdery mildew prevention effect of the serratia marcescens reaches a chemical prevention effect, and the serratia marcescens has an obvious prevention effect on banana vascular wilt; and moreover, the serratia marcescens cannot pollute the environment, is ecological and safe, and can be widely applied to prevent the rubber powdery mildew and the banana vascular wilt and prepare rubber powdery mildew and banana vascular wilt prevention preparations.

BACTERIAL PROTEOGLYCANES PURIFY, PROCEEDED FOR THEIR PREPARATION AND VACCINE THE CONTAINER

Novel esterase and process for preparing the same

IMMOBILIZED NUCLEASE FROM SERRATIA MARCESCENS

Enzymatically active variants of nuclease from Serratia marcescens (nuclease [S.m.]) are disclosed, which do not dissociate into subunits. These variants of nuclease [S.m.] are obtainable by amino acid substitutions in positions which form the contact area between the subunits of native nuclease [S.m.]. These variants are especially suitable for immobilizing nuclease [S.m] onto base supports.

PROCESS FOR THE PREPARATION OF PURIFIED BACTERIAL MEMBRANAL PROTEOGLYCANS

Serratia marcescens and application of serratia marcescens in promoting growth of Chinese sweetgum

The invention discloses a serratia marcescens FXW-NJ2D, which is classified and named as serratia marcescens subsp marcescens. The serratia marcescens is preserved in China Centre for Type Culture Collection with the preservation number of CCTCC M 2012261. The invention further discloses an application of the serratia marcescens for promoting the growth of Chinese sweetgum. Under the condition of liquid shake-flask culture, the bacterial strain in the invention has a strong dissolving effect on insoluble phosphates such as tricalcium phosphate, iron phosphate, aluminium phosphate and hydroxyapatite; the bacterial stain is prepared into a fungicide, and the fungicide is inoculated in a Chinese sweetgum seedling; the results indicate that the fungicide can obviously promote the growth of Chinese sweetgum; and therefore, an excellent bacterial strain resource is provided for developing a special microbial fertilizer for Chinese sweetgum in the future.

Serratia marcescens SPG-1 and method for producing chitosanase by adopting same

A strain of Serratia marcescens chitinase produces several mutagenesis strain S68 - CM5

Serratia marcescens a strain M9 and its in removing the application of the heavy metal ion

Serratia marcescens engineering bacterium capable of stably inheriting exogenous gene and application of serratia marcescens engineering bacterium

The invention particularly relates to serratia marcescens engineering bacteria BRC-CXG2-pCHSW capable of stably inheriting exogenous genes and application of the serratia marcescens engineering bacteria BRC-CXG2-pCHSW, and belongs to the technical field of microorganisms. The strain is classified and named as Serratia marcescens, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.23125, and the preservation date is August 6, 2021. The serratia marcescens engineering bacterium can stably inherit an nptII-cry3AaT-hasA exogenous gene, and can exocrine and express a Cry3AaT protein. The serratia marcescens engineering bacterium can be applied to prevention and control of coleoptera pests and progeny thereof, and has relatively high insecticidal activity.

Using the same and novel manufacturing method of biotin-D

Superando obstáculos com dapa aminotransferase em vitâmeros de biotina

Für eine Esterase kodierendes Gen und dieses Gen enthaltender Mikroorganismus

VERFAHREN ZUR HERSTELLUNG VON OPTISCH AKTIVEN BETA-AMINO ALKOHOLEN

Process for preparing (2r,3s)-3-(4-lower alkoxyphenyl)glycidic acid esters

BACTERIAL PROTEOGLYCANS