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Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > Plant physiology
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DNA-based markers in plants (Paperback, Softcover reprint of the original 1st ed. 1994)
Loot Price: R1,594
Discovery Miles 15 940
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DNA-based markers in plants (Paperback, Softcover reprint of the original 1st ed. 1994)
Series: Advances in Cellular and Molecular Biology of Plants, 1
Expected to ship within 10 - 15 working days
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The double helix architecture of DNA was elucidated in 1953. Twenty
years later, in 1973, the discovery of restriction enzymes helped
to create recombinant DNA molecules in vitro. The implications of
these powerful and novel methods of molecular biology, and their
potential in the genetic manipulation and improvement of microbes,
plants and animals, became increasingly evident, and led to the
birth of modern biotechnology. The first transgenic plants in which
a bacterial gene had been stably integrated were produced in 1983,
and by 1993 transgenic plants had been produced in all major crop
species, including the cereals and the legumes. These remarkable
achievements have resulted in the production of crops that are
resistant to potent but environmentally safe herbicides, or to
viral pathogens and insect pests. In other instances genes have
been introduced that delay fruit ripening, or increase starch
content, or cause male sterility. Most of these manipulations are
based on the introduction of a single gene - generally of bacterial
origin - that regulates an important monogenic trait, into the crop
of choice. Many of the engineered crops are now under field trials
and are expected to be commercially produced within the next few
years. The early successes in plant biotechnology led to the
realization that further molecular improvement of plants will
require a thorough understanding of the molecular basis of plant
development, and the identification and character ization of genes
that regulate agronomically important multi genic traits.
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