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1

Biotechnology in remediation of organic contamination

100%
Wojcik P., Tomaszewska B.
Biotechnologia
|
2005
|
issue 4
156-172
EN
Extensive industrial and agricultural development of the 20th century is one of the causes of wide-spread contamination of the environment by organic pollutants such as polyaromatic hydrocarbons, pesticides and explosive compounds. Nowadays, apart from traditional remediation techniques involving mechanical treatment, we are facing new opportunities of utilizing microorganisms (bioremediation) and plants (phytoremediation) to contain, transform or remove toxic elements present in soils, water and, to some point, in atmosphere. Great diversity of living organisms and application of genetic engineering make bio- and phytoremediation even more attractive.
2

Genetically Modified Organism in phytoremediation of organic contamination

100%
Zemleduch A., Tomaszewska B.
Biotechnologia
|
2007
|
issue 4
66-81
EN
In order to increase remediation potential of the plants used for recultivation of contaminated environment, attempts are being made to increase their tolerance, accumulation and degradation of particular pollutants. The plants are modified by conventional methods of reproduction, hybridization, formation of interspecies hybrids, as well as by genetic modification. Owing to the introduction of foreign genes, the produced plants show increased or decreased activity of the desired metabolic pathways, higher biomass and growth, and increased activity of the enzymes limiting phytoremediation of particular xenobiotics or the presence of relatively new biochemical properties. The paper discusses the latest results of plant modification at the level of natural metabolic pathways, transgenic plants with new properties, genetic modifications of endophytes and application of immunonodulation that increases protection against xenobiotics
3

Plant transformation for phytoremediation of heavy metals polluted soils

81%
Wasinkiewicz K., Wojtera J., Tomaszewska B.
Biotechnologia
|
2004
|
issue 1
108-126
EN
Extensive contamination of the environment caused by heavy metals is one of the many consequences of fast industrial development and civilizational progress which started in the previous century and is still underway. Traditional methods of removing heavy metals from the environment are very expensive and invasive, therefore new and cheap methods are needed. High hopes are put on the possibility of using plants in the process called phytoremediation. Some plants have naturally adapted to life on soils with high heavy metal content. The use of modern methods of molecular biology can be very helpful in obtaining transgenic plants that would be able to take up and accumulate high amounts of heavy metals.
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