Syngenomics Applied to the Tryptophan Biosynthetic Pathway

Abstract

We have initiated a long range project aimed at engineering microorganisms with multiple new capacities, using Escherichia coli as the prototype organism. Our approach is to determine which organisms can serve as direct donors of genetic material, in that their genes are expressed by the E. coli cell , and which require additional engineering. We are developing methods for Incorporating up to 300 kb fragments into the E. coli chromosome to allow whole pathways to be encoded by foreign DNA. Also, we are looking for dramatic phenotypic differences in E. coli generated by cloned fragments from foreign organisms, using the mutator phenotype as an example. We have identified genes from Lactococcus lactis and Pseudomonas aeruginosa that cause mutator phenotypes when overexpressed in E. coli and interestingly, one of these encodes a regulator for multiple drug resistance.

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Document Details

Document Type
Technical Report
Publication Date
Nov 30, 2002
Accession Number
ADA412999

Entities

People

  • Jeffrey H. Miller

Organizations

  • University of California, Los Angeles

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Chromosomes
  • Classification
  • Clones
  • Drug Resistance
  • Engineering
  • Escherichia Coli
  • Genes
  • Genetic Engineering
  • Genetic Phenomena
  • Genetic Structures
  • Genetics
  • Genome
  • Metabolic Engineering
  • Microorganisms
  • Phenotypes
  • Resistance

Fields of Study

  • Biology

Readers

  • Microbial Pathology
  • Molecular Genetics

Technology Areas

  • Biotechnology