Word: soiling
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Only in the fertile soil of Sao Paulo state near what is now Americana did the transplanted prewar Dixie ways take hold. Still, the 94 Confederate ) families who stayed, their fortunes depleted, found homesteading a humbling experience. Few could afford the number of slaves they had back home. "When my mother was a girl here, she picked cotton right alongside the slaves, something she didn't do in Arkansas," drawls Charlotte Ferguson Costarelli, 83, a third-generation descendant...
...began as a loose ensemble in the fertile musical soil of Dunster House. Dunster dwellers Weiner and Tokuno met at the house grill and soon discovered their mutual appreciation of Renaissance music. After Dunster House Resident Composer Charles Kletzsch recommended about 10 musicians who shared their interest...
...site to South Carolina and reformulating their strategy. Instead of using bacteria with the insecticide- producing gene, the company applied to release a strain engineered only to produce enzymes that enable it to digest lactose and X-Gal. Researchers could then detect the presence of migrating bacteria by dropping soil samples onto the lactose-based, X-Gal-laced growth medium...
...mechanisms for tracking the bacteria. In addition to turning blue, the bugs have been engineered to resist the antibiotic rifampicin -- a combination of properties that makes it possible to detect the presence of a single Pseudomonas among the billion or so microorganisms that may exist in a thimbleful of soil. Explains Margaret Mellon, manager of the National Wildlife Federation's biotechnology project: "This system is an important advance. In and of itself, it doesn't answer questions about whether bioengineered organisms are in general more or less safe than their natural counterparts. But it allows you to answer some...
...bacteria through the environment has become a crucial factor in getting EPA approval for a release. The lack of an effective marker has, for example, held up a test by Biotechnica International, a Cambridge, Mass., firm, of Rhizobium bacteria altered to boost their ability to fix nitrogen in the soil. In one of the California ice- minus tests, however, scientists have been able to monitor the spread of anti- icing bacteria on potato plants. The marker system in this case was rifampicin resistance, less sensitive than Monsanto's multiple indicator but still able to detect the presence...