Research Corporation Technologies, Inc.

Research, Incorporated

Research Corporation Techniques, Inc.

Steven L Coon

Rita R Colwell

Dale B Bonar

Ronald M Weiner

Marianne Walsh

The present invention relates to the discovery of a new bacteria of the genus Alteromonas which has been found to attract oyster larvae by the production of compounds involved in melanin synthesis. More specifically, the present invention contemplates a method for inducing the settlement and metamorphosis of Crassostrea virginica larvae by induction with certain metabolic substances produced by the present bacteria and its altered variants. Furthermore, the present invention is directed to other and derivative metabolic products which can be employed for their desired utility and application. In accordance with the present invention, it has been discovered that ammonia (NH.sub.3) initiates settlement and metamorphosis of the oyster larvae in the same manner as the natural phenomena.

Production and recovery of tyrosinase from melanin-synthesizing bacteria

Induction of settlement and metamorphosis in crassostrea virginica by

Induction of settlement and metamorphosis in Crassostrea virginica by

The present invention relates to the discovery of a new bacterium, alteromonas calwellii, which has been found to attract oyster larvae by the production of a compound involved in melanin synthesis. More specifically, the present invention contemplates a method for inducing the settlement and metamorphosis of Crassostrea virginica larvae by induction with certain metabolic substances produced by the present bacterium and its mutagenically altered variants. Furthermore, the present invention is directed to other and derivative metabolic products which can be employed for their desired utility and application.

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Falls Church, VA, United States of America

Steven L Coon