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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 435/481 - Plasmid or episome contains a gene which complements a nutritional deficiency mutation


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Processes wherein the plasmid or episome contains a gene
No. of patents: 44
Last issue date: 04/15/2008


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NumberTitleIssue Date
7358083Food-grade cloning vector and their use in lactic acid bacteria
Novel food-grade cloning vectors comprising a nonsense mutation suppressor-encoding gene, which vector, when it is present in a lactic acid bacterial strain, permits such a strain to have an industrially appropriate growth rate and metabolic activity. The cloning ve...
04/15/2008
7320882Process for L-amino acid production using enterobacteriaceae strain with enhanced ptsG expression
The invention relates to a process for the preparation of L-amino acids, in particular L-threonine, which comprises overexpressing a ptsG gene coding for the glucose-specific IIBC component of the phosphotransferase system in Enterobacteriaceae. ...
01/22/2008
7125695Directed evolution of microorganisms
The present invention provides methods for directing the evolution of microorganisms comprising the use of mutator genes and growth under conditions of selective pressure. The method discloses mutator genes which can be used in the methods of the present invention a...
10/24/2006
6984514Bacterium having ability to produce L-glutamic acid, L-proline or L-arginine and method for producing L-glutamic acid, L-proline or L-arginine
L-Glutamic acid, L-proline or L-arginine is produced by culturing a bacterium belonging to the genus Escherichia, which is L-isoleucine auxotrophic and has ability to produce L-glutamic acid, L-proline or L-arginine, in a medium containing L-isoleucine, to produce a...
01/10/2006
6861220Genetic screening methods
A method for screening molecule which have a synthetic lethal property when in combination with a gene of interest carrying a non-lethal mutation, said method comprising the steps of: transfecting a first reporter gene into mammalian cells having a genome comprising...
03/01/2005
6762040Method for increasing gene copy number in a host cell and resulting host cell
The invention relates to a method for increasing the copy number of a chromosomally integrated expression cassette in a microbial strain without leaving antibiotic resistance markers behind in the strain, the necessary genetic constructs, and the strains resulting f...
07/13/2004
6706503Directed evolution of microorganisms
The present invention provides methods for directing the evolution of microorganisms comprising the use of mutator genes and growth under conditions of selective pressure. The method discloses mutator genes which can be used in the methods of the present invention a...
03/16/2004
6617163Polynucleotides for mutagenesis in fungus comprising a functional gene in magnaporthe and an impala transposon
The invention concerns a new tool for efficient mutagenesis enabling the generation of a collection of mutants in fungi by random insertion of a characterized Fusarium oxysporum Impala transposon in the genome of said fungi. The invention also concerns th...
09/09/2003
6610529Recombinant bacterial system with environmentally limited viability
Disclosed is an Environmentally Limited Viability System (ELVS) for microorganisms based on differences between permissive and non-permissive environments. Viability of the microorganisms are limited to a permissive environment by specifically expressing ...
08/26/2003
6562576Yeast two-hybrid system and use thereof
A method for detecting protein-protein interactions is provided, in which two fusion proteins are prepared and allowed to interact with each other in yeast cells. The interaction between the two fusion proteins leads to protein trans-splicing, generating ...
05/13/2003
6551786Screen assay for selecting protein-protein interaction modulators
A method for selecting compounds capable of modulating protein-protein interactions is provided, in which two fusion proteins are prepared and allowed to interact with each other in the presence of test compounds. The interaction between the two fusion pr...
04/22/2003
6503712Methods and compositions for preparing a genomic library for knockout targeting vectors
The present invention is directed to methods for producing gene targeting constructs by homologous recombination using mouse genomic libraries arrayed in yeast shuttle vectors. The invention is also directed to methods of using targeting constructs made b...
01/07/2003
6451582Staphylococcus strains comprising an inducible gene encoding an RNA polymerase specificity factor
The present invention relates to a recombinant organism, and a bacterial strain such as Staphylococcus, and S. aureus, in particular. The organism has a regulatable gene for encoding an RNA polymerase specificity factor required for expression of at least...
09/17/2002
6423545Unmarked deletion mutants of mycobacteria and methods of using same
Disclosed is a recombinant slow-growing mycobacterium comprising at least one mycobacterial gene containing an unmarked mutation, where an "unmarked mutation" is a mutated nucleotide sequence introduced into a mycobacterium where the introduced mutated nu...
07/23/2002
6277625Transgenic strains of Pseudomonas for biocontrol of plant root diseases
Transgenic fluorescent Pseudomonas spp. are described which have a biosynthetic locus which encodes for the production of the antibiotic phenazine-1-carboxylic acid stably introduced into the genome, have a locus which encodes for the production of the an...
08/21/2001
6130085Recombinant vector containing a sequence of a lipoprotein gene for the expression of nucleotide sequences
A recombinant vector for cloning a heterologous nucleotide sequence and/or expressing it and/or transferring it to a cell host. The vector includes, at a site which is not essential for replication, the gene coding for a lipoprotein other than E. coli lip...
10/10/2000
6060249Method of selection for genes encoding secreted and transmembrane proteins
The present invention relates to a novel method of identifying cDNA's which encode secreted and membrane-bound proteins. The present invention also relates to a novel method for preparing cDNA libraries enriched for signal sequences. The methods of the in...
05/09/2000
5747308Recombinant DNA method
There is described a method for obtaining a eukaryotic cell containing in its DNA multiple copies of a GS gene, comprising: transforming a eukaryotic glutamine auxotroph with a GS gene; selecting transformant cells containing the GS gene; and culturing th...
05/05/1998
5595894Process for stably maintaining recombinant plasmids in serine auxotrophic microorganisms belonging to the genus Corynebacterium or Brevibacterium
The present invention provides a process for producing substances such as L-tryptophan and L-threonine, which comprises transforming a serine-requiring microorganism belonging to the genus Corynebacterium or Brevibacterium by incorporation of a recombinan...
01/21/1997
5435730Gal operon of streptomyces
A recombinant DNA molecule comprising the Streptomyces gal operon galK gene; galE gene; galT gene; P1 promoter; P2 promoter; P2 promoter expression unit; P1 promoter regulated region; or the entire Streptomyces gal operon....
07/25/1995
5354667Process for the enzymatic preparation of 7-aminocephalosporanic acid
A process for the production of an E. coli strain producing high yields of 7ଲ-(4-carboxybutanamido) cephalosporin acylase, comprises: (a) digesting the DNA of a microorganism whose DNA includes the sequence encoding 7ଲ-(4-carboxybutanamido) ce...
10/11/1994
5348872Method for isolating mutant cells
Disclosed is a method for isolating a mutant cell that secretes a desired compound at a level greater than that secreted by a starter cell from which the mutant cell is derived. The method includes contacting a plurality of auxotrophic feeder cells and au...
09/20/1994
5296366Method for the isolation and expression of a gene which codes for streptokinase, nucleotide sequence obtained, recombinant DNA and transformed microorgnaisms
The present invention relates to the field of biotechnology and genetic engineering and in particular a novel nucleotide sequence which codes for a streptokinase, as well as the recombinant DNA obtained therefrom which is used for the transformation of va...
03/22/1994
5254466Site-specific modification of the candida tropicals genome
The POX genes of C. tropicalis are disrupted resulting in the complete blockage of the beta-oxidation pathway in the strain. Fermentation of C. tropicalis cells having disrupted genes on alkane, fatty acid and fatty acid ester substrates produces substant...
10/19/1993
5242809Gal operon of streptomyces
A recombinant DNA molecule comprising the Streptomyces gal operon galK gene; galE gene; galT gene; P1 promoter, P2 promoter, P2 promoter expression unit; P1 promoter regulated region; or the entire Streptomyces gal operon....
09/07/1993
5204252Candida tropicalis transformation system
A transformation system is provided for C. tropicalis, comprising constructs and microorganisms, as well as methods for preparing constructs and microorganisms, and transforming microorganisms. Particularly, a yeast transformation system comprising auxotr...
04/20/1993
5110731System for biotin synthesis
A system for the production of biotin wherein a biotin retention-deficient strain of a cell is transformed with plasmid bearing the biotin gene cluster bio (A, B, F, C and D). The media of cultures of the resulting cells contains enhanced amounts of bioti...
05/05/1992
5094945Inhibition resistant 5-enolpyruvyl-3-phosphoshikimate synthase, production and use
Enhanced resistance to glyphosate, an inhibitor of the aromatic amino acid biosynthesis pathway, is imparted to a glyphosate sensitive host. A mutated aroA gene is employed which expresses 5-enolpyruvyl-3-phosphoshikimate synthase (EC: 2.5.1.19) (ES-3-P ...
03/10/1992
5047340LAC+ saccharomyces cerevisiae
The invention relates to novel, transformed strains of Lac+ Saccharomyces cerevisiae, capable of utilizing lactose as a sole carbon source, produced by inserting into the Saccharomyces cerevisiae a plasmid containing a lactose permease and a be...
09/10/1991
4931373Stable DNA constructs for expression of ଱-1 antitrypsin
Methods are provided for producing ଱-1-antitrypsin in host cells and for selecting transformed cells comprising the step of transforming the host cell with a DNA molecule comprising a gene which complements a deficiency in the host cell. The host ce...
06/05/1990
4929555Pichia transformation
The present invention provides a method for making whole cells of methylotrophic species of genus Pichia competent for transformation by DNA and a method for transforming with DNA whole cells of such species....
05/29/1990
4885242Genes from pichia histidine pathway and uses thereof
Novel DNA sequences which code for the production of Pichia histidinol dehydrogenase, phosphoribosyl-ATP-cyclohydrase and phosphoribosyl-ATP-pyrophosphohydratase are provided. Novel constructs including these sequences, as well as transformed organisms th...
12/05/1989
4879231Transformation of yeasts of the genus pichia
Process for transforming yeast strains of the genus Pichia is disclosed. Novel yeast strains of the genus Pichia which can be transformed with recombinant DNA material are also disclosed. In addition, a method for isolating functional genes and other func...
11/07/1989
4798791Vector for high level gene expression
Methods and vectors for high level expression of genes in bacteria are disclosed. A terminal mRNA sequence from a gene coding for a stable bacterial protein mRNA is ligated to a gene coding for the desired protein adjacent the translation termination codo...
01/17/1989
4703004Synthesis of protein with an identification peptide
A hybrid polypeptide composed of an identification peptide and a desired functional protein are produced by recombinant DNA techniques. A DNA expression vector is constructed that includes segments of DNA coding for the identification peptide and the desi...
10/27/1987
4657857Yeast of the genus kluyveromyces modified for the expression of preprothaumatin or its various allelic and modified forms or their maturation forms, and the proteins obtained by that expression
The invention relates to yeasts of the genus Kluyveromyces, in particular K. lactis, acting as hosts for the expression of preprothaumatin or its various allelic and modified forms or their maturation forms, which yeasts contain an rDNA plasmid comprising...
04/14/1987
4594323Hybrid DNA conferring osmotic tolerance
Non-conjugative episomes characterized by having a mutated proBA region are provided for conferring osmotic tolerance on osmotically sensitive hosts. The mutated DNA sequence overproduces at least one enzyme in the biosynthetic pathway for an amino acid w...
06/10/1986
4508824Pseudomonas degradation of hydrocarbons
Selected new bacteria of the genus Pseudomonas, particularly the species Pseudomonas putida and Pseudomonas aeruginosa, which have the ability to utilize organic compounds from the generic groups aliphatic, cyclo aliphatic, aromatic and/or polynuclear aro...
04/02/1985
4495280Cloned high signal strength promoters
Method for preparing high signal strength promoters and terminators and DNA compositions employing such promoters and terminators. T5 phage is cleaved to provide for DNA sequences having intact promoters. These promoters are inserted into vectors separate...
01/22/1985
4440748Strain of Escherichia coli by bacterial conjugation
A new strain of Escherichia coli which is enteropathogenic to both calves and piglets is produced by bacterial conjugation of two parents, one enteropathogenic solely to calves and one enteropathogenic solely to piglets. The new strain is useful in the pr...
04/03/1984
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