By National Research Council, Board on Agriculture, Committee on a National Strategy for Biotechnology in Agriculture
Biotechnology bargains super capability for bettering crop construction, animal agriculture, and bioprocessing. it could possibly offer scientists with new how one can strengthen higher-yielding and extra nutritious crop kinds, to enhance resistance to affliction, or to lessen the necessity for inputs of fertilizers and different dear agricultural chemical compounds. This booklet explores the USA' skill to unravel vital agricultural difficulties, successfully use cash and institutional buildings to aid biotechnology examine for agriculture, educate researchers in new medical parts, successfully move expertise, and keep an eye on and try recombinant DNA organisms within the box.
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Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted. Please use the print version of this publication as the authoritative version for attribution. html SCIENTIFIC ASPECTS 26 Scientists have isolated a glyphosate-resistance gene and successfully transferred it into cotton, poplar trees, soybeans, tobacco, and tomatoes. The gene was derived from the bacterium Salmonella typhimurium .
Perhaps the researcher is searching for genes to improve tolerance to some environmental stress or to increase disease resistance. This can be a difficult task —similar to trying to find a citation in a book without an index. This task is made easier with restriction enzymes that can cut complex, double-stranded macromolecules of DNA into manageable pieces. A restriction enzyme recognizes a unique sequence in the DNA, where it snips the strands. By using a series of different restriction enzymes, an organism's genomic DNA can be reduced to lengths equivalent to one or several genes.
Because PGH is a naturally occurring protein hormone, it is metabolized by the animal. Furthermore, any unmetabolized hormone is broken down during digestion and therefore poses no residue problem to consumers. The impetus for research and development of PGH comes from consumer demand for leaner and therefore more nutritious meat. As with BGH, PGH must be produced at low cost and be easily administered for a controlled delivery over a sustained period of the animal's life. Intense research promises to yield commercial products within 5 years.
Agricultural Biotechnology: Strategies for National Competitiveness by National Research Council, Board on Agriculture, Committee on a National Strategy for Biotechnology in Agriculture