E.i. Dupont De Nemours and Company

James S Schwaber

Peter A Jansson

Wade Thomas Rogers

Saverio Carl Falco

Emil M Orozco, Jr

Layo O Famodu

This invention relates to an isolated nucleic acid fragment encoding an aminoacyl-tRNA synthetase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the aminoacyl-tRNA synthetase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the aminoacyl-tRNA synthetase in a transformed host cell.

Plant aminoacyl-tRNA synthetase

This invention relates to an imaging system with computer-controlled, multiple electronic image acquisition and assembly means for producing a graphical map from a stored wide-field-of-view high-resolution electronic image. The invention displays a contiguous small portion of the stored image within a display window and a cursor is superimposed on the image at a fixed position within the display window. The window can be roamed over the stored image for generating mapping marks from the fixed cursor and the mapping marks a stored in a separate memory.

Electronic mosaic imaging process

This invention relates to an imaging system with computer-controlled, multiple electronic image acquisition and assembly means for producing a high resolution, large-field electronic mosaic image from a series of smaller field image segments.

A 'flying field' computer aided interactive microscopical mapping system has been developed that enables an operator to map over a region of the specimen covering many microscopical fields of view without the discontinuities associated with moving the stage and then generating mapping marks as separate and discrete operations. By fixing the mark generation point at a single location on the display device corresponding to the instantaneous intersection of the microscope's optical axis with the specimen stage, a trail of marks are produced that move in unison with the stage motion to remain superimposed with the viewed live specimen image. The points thus recorded are available for later display and analysis.

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Wilmington, DE, United States of America

James S Schwaber