Advanced Phenotypic Analysis

 
 
 
 
 
 
 
For Immediate Release
Monday, March 22, 2004
 
Contact:  Tim Mullane  
  Biolog, Inc.
  (510) 785-2564 ext. 319
 

BIOLOG REPORTS ADDITIONAL PATENT GRANTED ON PHENOTYPE MICROARRAY™ TECHNOLOGY

 

Hayward, CA - March 22, 2004 - Biolog, Inc. announced today that it has received another patent on its Phenotype MicroArray™ (PM) technology. The patent, number US 6,696,239, is granted for comparative phenotypic analysis for assessment of biological active compounds. This patent, along with other recently announced patents, extends the number of patents granted on the PM technology. The company now has over 22 patents on its cellular assay technologies. The PM technology has applications in multiple areas of research, ranging from basic research to high-throughput screening of chemical compounds against cells. Already working with a diverse list of microbial species including microbes used in antibiotic drug discovery, the technology is being extended to other cell lines.

This patent relates to using the PM panels to improve the effectiveness, throughput, and efficiency of testing and commercial development of biologically active compounds, in particular those useful in human, animal, and plant health. The Phenotype MicroArray™ technology has already been applied to a number of bacteria and fungi.

Organisms already tested in the PM technology include gram-negative bacteria Escherichia coli, Salmonella typhimurium, Vibrio spp., Pseudomonas aeruginosa, Burkholderia cepacia, Ralstonia solanacearum, and Sinorhizobium meliloti. Gram-positive bacteria include Staphylococcus aureus, Streptococcus spp., Bacillus spp., and Listeria monocytogenes. Yeast and filamentous fungi include Saccharomyces cerevisiae, Candida albicans and fungal pathogens such as Aspergillus spp. Phenotype MicroArrays are expected to become standard, essential tools for cellular analysis and genomic-based drug development. Biolog is working to expand the technology to human cell lines in the near future.

Phenotype MicroArrays represent a fundamental platform technology that allows scientists to easily and efficiently test hundreds to thousands of cellular traits. The technology has many uses, but the two most important uses are to determine the effect of genetic changes on cells and to determine the effect of drugs on cells. For example, many laboratories at both research universities and pharmaceutical/biotech companies want to understand the biological differences between harmless or beneficial strains of microbes and dangerous pathogenic strains of the same species. Genes involved in pathogenicity can be genetically knocked out or turned off via antisense induction methods. The PMs are then used to compare the cell line with the genetic change and see how its physiological properties (phenotypes) have changed. This provides basic insight into the disease process and also validates potential new targets for antibiotics.

The current focus of the company is to develop similar arrays that will work with human cells. The company also has an active technology-licensing program to use the current generation of PMs for development of anti-bacterial and anti-fungal drugs.

Biolog, a privately held company based in Hayward, CA, is a pioneer in the development of powerful new cell analysis tools for solving critical problems in clinical, pharmaceutical, and biotechnology research and development. The company’s Phenotype MicroArray™ technology and OmniLog® PM System can be used in the discovery and development of new drugs as well as bioactive agents for animal and plant applications. Further information can be obtained at the company’s website, www.biolog.com.

 
 
 
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