Max D. Summers - Bryan TX Sharon C. Braunagel - Bryan TX Tao Hong - Bryan TX
Assignee:
The Texas A & M University System - College Station TX
International Classification:
C07H 2100 C12N 510 C12N 1533 C12N 1563
US Classification:
435 697
Abstract:
Provided are hydrophobic targeting sequences, which may serve to target heterologous proteins to a variety of cellular membranes. In particular, the structural components of the nuclear envelope, or those components which become nucleus-associated, may be targeted with the sequences provided. Also provided are methods of targeting heterologous proteins to particular membranes, and the use of these targeted proteins in therapeutic, diagnostic and insecticidal applications.
Max D. Summers - Bryan TX James Y. Bradfield - College Station TX Larry L. Keeley - College Station TX
Assignee:
The Texas A&M University System - College Station TX
International Classification:
C12N 1516 C12N 1512
US Classification:
536 27
Abstract:
A baculovirus expression vector system is constructed wherein the natural signal DNA peptide sequence associated with the desired foreign gene, such as CD4 (T cell surface protein T4) is replaced by the signal DNA sequence from the Lepidopteran adipokinetic hormone (AKH) precursor signal peptides. The exemplary Manduca sexta AKH signal sequence is represented as follows: ##STR1##.
Max D. Summers - Bryan TX Christian E. G. Oker-Blom - Turku, FI
Assignee:
The Texas A & M University System - College Station TX
International Classification:
C12N 1586
US Classification:
4353201
Abstract:
This invention relates to specifically designing and genetically engineering recombinant baculovirus for producing, in a compatible insect system, a desired protein, virus, protein hybrid, or virus hybrid. In particular aspects, this invention relates to the use of different baculovirus promoters for the ultimate purpose of constructing a recombinant baculovirus designed for the investigator's specific need. For example, the recombinant baculovirus of this invention can be designed to produce a viral pesticide. This invention also describes the construction of a genetically engineered virus or virus hybrid (e. g. animal or human pathogen) which is not capable of replicating itself but is essentially identical to the authentic pathogen in terms of structure and antigenicity. This baculovirus is constructed such that the non-structural viral genes are truncated, mutated or both and are located 3' and directly under the control of an early baculovirus gene promoter and the structural viral genes are located 3' and directly under the control of a late baculovirus gene promoter. This genetically engineered baculovirus is therefore capable of temporal regulation and successive synthesis of non-structural and structural proteins.
Method For Producing A Recombinant Baculovirus Expression Vector
Gale E. Smith - Bryan TX Max D. Summers - Bryan TX
Assignee:
The Texas A&M University System - College Station TX
International Classification:
C12N 700 C12N 2100 C12N 1500
US Classification:
435235
Abstract:
A method for producng a recombinant baculovirus expression vector, capable of expressing a selected gene in a host insect cell, is disclosed. The method involves cleaving baculovirus DNA to produce a DNA fragment comprising a polyhedrin gene or portion thereof, including a polyhedrin promoter. A recombinant transfer vector is prepared by inserting said DNA fragment into a cloning vehicle and thereafter inserting a selected gene into the thus modified cloning vehicle such that it is under the transcriptional control of the polyhedrin promoter. The recombinant transfer vector is contacted with a baculovirus DNA so as to effect recombination and incorporation of the selected gene into the baculovirus genome. The resultant recombinant baculovirus is then used to infect susceptible insects or cultured insect cells and the protein product from the incorporated selected gene is produced from the infection.
Method For Producing A Recombinant Baculovirus Expression Vector
A method for producing a recombinant baculovirus expression vector, capable of expression of a selected gene in a host insect cell, is disclosed. The preferred method involves cleaving baculovirus DNA to produce a DNA fragment comprising a polyhedrin gene or portion thereof, including a polyhedrin promoter. A recombinant shuttle vector is prepared by inserting said DNA fragment into a cloning vehicle and thereafter inserting a selected gene into the thus modified cloning vehicle such that it is under the transcriptional control of the polyhedrin promoter. The recombinant shuttle vector is contacted with a baculovirus DNA so as to effect recombination and incorporation of the selected gene into the baculovirus genome.
Method To Improve The Efficiency Of Processing And Secretion Of Foreign Genes In Insect Systems
The Texas A&M University System - College Station TX
International Classification:
C12P 2102 C12P 2100
US Classification:
435 691
Abstract:
The engineering of foreign vertebrate gene constructs by recombinant DNA techniques for the more efficient processing and secretion of foreign genes in insect systems is done by replacing the foreign vertebrate protein signal peptide sequences with protein signal sequences from insect cell secreted proteins. A baculovirus expression vector system is constructed wherein the natural signal DNA peptide sequence associated with the desired foreign gene, such as CD4 (T cell surface protein T4) is replaced by the signal DNA sequence from the insect signal peptides coding for the cuticle gene or adipokinetic hormone.
Heterologous Signal Sequences For Secretion Of Insect Controlling Proteins
Bruce C. Black - Yardley PA Max D. Summers - Bryan TX
Assignee:
American Cyanamid Company - Wayne NJ
International Classification:
C12N 701 C12N 1532 C12N 1585
US Classification:
4352401
Abstract:
Seven heterologous signal sequence are described for use with genes for insect controlling proteins, such that when the signal sequence and protein genes are inserted into an insect virus, that virus demonstrates an earlier onset of morbidity than a wild-type insect virus which lacks the gene for the insect controlling protein.
Insect Signal Sequences Useful To Improve The Efficiency Of Processing And Secretion Of Foreign Genes In Insect Systems
The Texas A&M University System - College Station TX
International Classification:
C12N 500 C12N 1585 C12N 1587 C07H 1512
US Classification:
4352402
Abstract:
The engineering of foreign vertebrate gene constructs by recombinant DNA techniques for the more efficient processing and secretion of foreign genes in insect systems is done by replacing the foreign vertebrate protein signal peptide sequences with protein signal sequences from insect cell secreted proteins. A baculovirus expression vector system is constructed wherein the natural signal DNA peptide sequence associated with the desired foreign gene, such as CD4 (T cell surface protein T4) is replaced by the signal DNA sequence from the insect signal peptides coding for the cuticle gene or adipokinetic hormone.