Nature Institute Perspectives
Seeing Nature Whole:
A Goethean Approach
Genetics and Biotechnology
Unintended Effects of
Technology and Human Responsibility
Biology Worthy of Life
Educating for Sustainability
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Ronald H. Brady
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Plants producing a biodegradable polyester were smaller, never produced
seeds and showed severe changes in metabolism.
Suppression of DHS enzyme in Arabidopsis (a mustard plant)
was associated with enlarged leaves, greater root mass, and enhanced
Overexpression of phytoene synthase gene in Arabidopsis resulted
in delayed germination, increased levels of chlorophyll, and changes in
relative levels of carotenoids.
Single-site integration of foreign DNA into Arabidopsis showed
rearrangements and deletions of both plant DNA and foreign DNA.
Unintended changes in gene expression were observed in Arabidopsis
plants engineered for resistance to the herbicide glufosinate.
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