Invitrogen Corporation

Life Technologies Corporation

Jonathan Kuo

Jhy-Jhu Lin

Fredric R Bloom

Jin Ma

Wu-Bo Li

The invention relates to improvedbacteria with enhanced viability at low temperatures, methods for producing improved bacterial strains capable of enhanced viability at low temperatures, and the isolation and use of genetic material capable of enhancing the viability of bacteria at low temperatures. In addition to the enhanced viability at low temperatures, the bacteria may exhibit enhanced transformation efficiencies after storage at low temperatures. As such, the invention may be used for the insertion of exogenous DNA sequences into the bacteria of the invention.

Method for increasing viability and transformation efficiency of bacteria during storage at low temperatures

The present invention is directed to a method for the identification and isolation of specific genetic sequences from cDNA libraries or samples of genomic DNA derived from the cells, tissues or organs of an organism, particularly a mammal, and most particularly a human (including a human embryo or fetus). In particular, the invention is related to a method whereby a tissue-specific cDNA or a genetic marker, not found in cDNA libraries or genomic DNA samples derived from other tissues from the same or a different organism, may be identified and isolated using an Amplification Fragment Length Polymorphism (AFLP)-based technique. This method has applications in the identification and isolation of cDNA sequences and genomic genetic markers which may be used in a variety of medical, forensic, industrial and plant breeding procedures.

Methods for identification and isolation of specific nucleotide sequences in cDNA and genomic DNA

The invention relates to improved E. coli bacteria with enhanced viability at low temperatures, methods for producing improved bacterial strains capable of enhanced viability at low temperatures, and the isolation and use of genetic material capable of enhancing the viability of bacteria at low temperatures. In addition to the enhanced viability at low temperatures, the bacteria may exhibit enhanced transformation efficiencies after storage at low temperatures. As such, the invention may be used for the insertion of exogenous DNA sequences into the bacteria of the invention.

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Germantown, MD, United States of America

Jonathan Kuo