Phytoremediation of Organic Pollutants: Uptake and Degradation Mechanisms

Year 2011, Volume: 23 Issue: 3, 123 - 139, 04.12.2011

Taylan Kösesakal

Abstract

Phytoremediation which is defined as cleaning of the contaminated soil, water and air as a result of human activities by using plants, as an environmentally friendly and alternative technology to be promising. The removal of organic pollutants accumulated in organisms habitat’s as a result of environmental pollution, has a great importance because of their toxic, mutagen and carcinogen structures. Depending on their chemical properties organic pollutants may be degraded in the rhizosphere or taken up by plants, and then may be degradation in plant cells or sequestrated with conjugation in vacuol or cell wall areas or volatilization. In this review, uptake of organic compounds by plants and the degradation mechanisms of them in plant tissues were discussed.

Keywords

Phytoremediation, environmental pollution, organic compounds

Organik Kirleticilerin Bitkilerle Temizlenmesi: Alınma ve Parçalanma Mekanizmaları

Abstract

Bitkiler kullanılarak insan aktiviteleri sonucunda kirletilmiş toprak, su ve havanın temizlenmesi şeklinde tanımlanan fitoremediasyon alternatif ve çevre dostu bir teknoloji olarak umut vermektedir. Çevre kirliliğinin bir sonucu olarak canlı yaşam ortamlarında biriken organik kirleticilerin temizlenmesi toksik, mutajen ve karsinojen yapılarından dolayı büyük önem taşımaktadır. Organik kirleticiler kimyasal özelliklerine bağlı olarak rizosferde parçalanabilir ya da bitki tarafından alınarak, bitki hücrelerinde parçalanabilir, konjugasyonla ya vakuolde ya da hücre çeperi alanlarında tutulabilir veya buharlaştırılabilirler. Bu derlemede organik bileşiklerin bitkilere alınma ve bitkisel dokularda parçalanma mekanizmaları anlatılmıştır.

Keywords

Fitoremediasyon, çevre kirliliği, organik bileşikler

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