The present disclosure discloses a Bacillus licheniformis cell stably and repeatedly used for the conversion and synthesis of D-psicose, and belongs to the field of biotechnology. D-psicose is a functional sugar with high health value and has broad application prospects in food, medicine, health care and other fields. The B. licheniformis cell of the present disclosure efficiently expresses recombinant D-psicose-3-epimerase, and can convert high-concentration fructose as a substrate into D-psicose. After the whole-cell catalyst is reused 10 times, the conversion rate is not less than 30%. Compared with pure enzyme or single-use whole-cell conversion methods, this technology for the synthesis of D-psicose has significant advantages such as low catalyst cost and simple separation and purification.

Application of glutamate dehydrogenase GdhA of Peptostreptococcus asaccharolyticus in increasing the yield of poly-?-glutamic acid from Bacillus licheniformis. The glutamate dehydrogenase GdhA of the Bacillus licheniformis WX-02 per se is replaced with the glutamate dehydrogenase derived from the Peptostreptococcus asaccharolyticus by means of homologous recombination, which significantly increases the level of synthesizing the poly-?-glutamic acid for the Bacillus licheniformis, and the yield of the obtained poly-?-glutamic acid from strains is increased at least by more than 20% compared with control strains.

Provided are a biological floc, a process for the preparation thereof and uses thereof in aquaculture, water purification, industrial water treatment, soil remediation and improvement, and sludge innocent treatment, wherein the biofloc comprises decomposed straw powder, a first microbial agent, a nitrifying bacteria and a denitrifying bacteria, wherein the first microbial inoculant comprises Bacillus subtilis and selective actinomycetes. The process for the preparation of the biological floc comprises firstly adding the microbial agent to the decomposed straw powder, and then successively adding the nitrifying bacteria and the denitrifying bacteria. Further provided is an organic bacterial fertilizer comprising sludge, a biological floc and fermenting bacteria.

A composition is provided containing active ingredients Bacillus licheniformis CH200 and Bacillus subtilis CH201 for plant seed treatment or in-furrow application to control plant pathogenic nematodes. The composition is efficacious at suppressing nematodes, including Meloidogyne spp. and Pratylenchus. Related articles of manufacture and methods are also provided.

Compositions and methods for application to plants are provided for a new strain of Bacillus licheniformis RTI184 having plant growth promoting activity. Compositions and extracts of Bacillus licheniformis strains that include newly identified Fengycin-like and Dehydroxyfengycin-like cyclic lipopeptides designated as Fengycin MB-Cit and Dehydroxyfengycin MB-Cit, respectively, are also provided. In particular aspects, compositions containing the Bacillus licheniformis strain RTI184 can be applied alone or in combination with chemical agents or other microbial agents to benefit plant growth.

Compositions and methods include a combination of a strain of Bacillus licheniformis CH200 and a strain of Bacillus subtilis CH201 for delivery to plants and plant seeds, the combination having activity against plant fungal pathogens. In particular, the combination of strains is useful for increasing yield in crops including soybean and corn in the presence of plant pathogens. The Bacillus licheniformis CH200 and Bacillus subtilis CH201 strains can be applied alone or in combination with other microbial, biological, or chemical insecticides, fungicides, nematicides, bacteriocides, herbicides, plant extracts, plant growth regulators, and fertilizers.

Disclosed herein are compositions including cells of defined sets of microbial species (for example, 3, 16, 18, 19, 21, or 22 microbial species). Also disclosed are methods of using the microbial compositions that include contacting soil, plants, plant parts, or seeds with the composition. The microbial compositions are also used in methods of degrading biological materials, such as chitin-containing biological materials.

An improved bacterial oil treatment composition or pool for handling a decommissioned oil cable, which may be laid in particular as part of a power grid in the ground. The invention further relates to a bacteria growth culture medium containing the bacterial oil treatment composition for refurbishing an oil cable and a corresponding use.

Compositions are provided for hydrocarbon applications. In some embodiments, the composition comprises lignin, in particular technical lignin, comprising at least one of lignin nanoparticles and lignin microparticles, preferably wherein at least 20% of the lignin particles are nanoparticles, and at least one strain of bacteria capable of biosurfactant production and/or a biosurfactant produced by at least one such isolated strain of bacteria. Also provided is a related method for making the composition.

The present invention relates to a method of dewatering post fermentation fluids in a starch to ethanol process. More particularly the invention relates to use of a nuclease enzyme for separation of whole stillage into an insoluble fraction and a supernatant fraction. In a specific embodiment the present invention relates to a method of dewatering whole stillage comprising the steps of: i) subjecting whole stillage to one or more nuclease enzymes; ii) separating the material into an insoluble fraction and a supernatant fraction.