Abstract:
The subject invention concerns a novel microbe and genes encoding novel toxin proteins with activity against cockroaches. Cockroaches are common house pests, and they create problems in hospitals, the food industry and in agriculture. The novel Bacillus thuringiensis microbe of the invention is referred to as B.t. PS185L8. The subject invention also concerns the use of PS201T6 to control cockroaches. The spores or crystals of these microbes, or variants thereof, are useful to control cockroaches in various environments. The genes of the invention can be used to transform various hosts wherein the novel toxic proteins can be expressed.
Abstract:
Process for producing S-adenosyl-L-homocysteine, which comprises reacting adenosine with homocysteine by contacting them in an aqueous medium in the presence of cells or treated cells of a microorganism of a specified genus having the ability to synthesize S-adenosyl-L-homocysteine from adenosine and homocysteine, and collecting the S-adenosyl-L-homocysteine synthesized.
Abstract:
The present invention relates to novel, broad bacterial host range small plasmid deoxyribonucleic acid rings which serve as cloning vehicles for DNA fragments, particularly those separated from other plasmid rings or from chromosones, recombined with the small plasmid rings and to the processes for recombining the plasmid rings and to processes for transferring them between host bacteria. In particular, the present invention relates to the aggregate plasmid ring RP1/pRO1600, to pRO1600 and plasmid ring derivatives thereof, particularly including pRO1601; pRO1613 and pRO1614, all of which are carried for reference purposes in Pseudomonas aeruginosa ATCC 15692 (also known as strain PAO1c) and are on deposit at the Northern Regional Research Laboratories (NRRL) of the U. S. Dept. of Agriculture at Peoria, Ill. The plasmid ring RP1 (also known as R1822) is deposited in Pseudomonas aeruginosa NRRL-B-12123 (and is a known plasmid ring). The pRO1600 portion of the aggregate is a new plasmid ring. The novel small plasmid rings are particularly useful for recombinant genetic manipulation wherein the DNA fragments are introduced into the plasmid rings to produce useful, cloneable characteristics in the host bacterium, particularly chemical generating characteristics.
Abstract:
Disclosed are novel polysaccharides having the following physicochemical properties: (1) a molecular weight determined by gel filtration chromatography is about 5.times.10.sup.3 to 10.times.10.sup.6 (2) the constituent glycoses are D-galacturonic acid, L-rhamnose and D-glucose, (3) the constituent glycoses are joined substantially by 1,3-linkages, and (4) a configuration of D-galacturonic acid is .alpha., that of L-rhamnose is .beta. and that of D-glucose is .alpha.. A process for producing polysaccharides composed of D-galacturonic acid, L-rhamnose and D-glucose, use of the polysaccharides and a strain for producing the polysaccharides are also disclosed.
Abstract:
A mutant strain of Azotobacter vinelandii exhibits hyperproduction of poly-.beta.-hydroxybutyrates during its growth. Poly-.beta.-hydroxybutyrate yield is further enhanced when sugar beet molasses is used as carbon source.
Abstract:
This invention relates to a group of autogenic antiammonia azotobacter represented by 851 yellow. It can utilize low price starch medium. This culture fluid of azotobacter can be used for manufacturing single cell proteins rich in Se, Zn, V.sub.E, V.sub.B, V.sub.K, anticancer and antiaging tonic medicines. It also can be used for manufacturing bacteria manure, eel and animal forage, additive, antiseptic and binder.
Abstract:
Certain microorganisms of genus Brevibacterium, Coryne-bacterium and Arthrobacter produce L-isoleucine directly from glucose or acetic acid in the culture medium.
Abstract:
This disclosure describes a genetically-modified diazotrophic microbe and methods that involve the genetically-modified diazotrophic microbe. Generally, the diazotrophic microbe is modified to excrete a nitrogen-containing compound in an amount greater than a comparable control diazotrophic microbe. The genetically-modified diazotrophic microbe can be co-cultured with a non-diazotroph and increase the growth of the non-diazotroph.
Abstract:
Heteropolysaccharide biopolymers well adopted as thickening agents are improvedly produced by microbially fermenting a carbohydrate nutrient medium, said nutrient medium comprising an oil-in-water emulsion of a discontinuous oily phase dispersed within a continuous aqueous phase.