Bioaccumulation of Metals in Cyanobacteria Effects on Growth, Morphology and Pigment Contents

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  • Engels
  • Paperback
  • 9783846504130
  • 07 december 2012
  • 124 pagina's
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Excessive metal concentration in water bodies poses significant hazards to human, animal and plant health and to the environment in general. Cyanobacteria, due to the ubiquitous occurrence in nature and metabolic uptake of metals with continuous growth, have gained wide recognition as potential alternatives to conventional means of heavy metals removal from the contaminated water bodies. The edible filamentous cyanobacterium Spirulina platensis, along with the unicellular Synechocystis sp. PCC 6803, a model organism widely used in genetic, physiological and morphological studies were employed in this study to assess the bioaccumulation of Pb and Cd and their effects on growth, morphology and pigment contents. At higher concentrations (30, 50 and 100 ppm), the growth and the pigment contents of the species were found to be severely affected by both the metals. Though morphological abnormalities in S. platensis were not specific, alterations in the ultrastructure became evident in Synechocystis sp. PCC 6803 even at low concentration (8 ppm) of metals. Both species were shown to be good accumulators of metals with high bioconcentration factor values.

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Inhoud

Taal
en
Bindwijze
Paperback
Oorspronkelijke releasedatum
07 december 2012
Aantal pagina's
124
Illustraties
Met illustraties

Betrokkenen

Hoofdauteur
Arunakumara K K I U

Overige kenmerken

Extra groot lettertype
Nee
Product breedte
152 mm
Product hoogte
7 mm
Product lengte
229 mm
Studieboek
Ja
Verpakking breedte
152 mm
Verpakking hoogte
7 mm
Verpakking lengte
229 mm
Verpakkingsgewicht
191 g

EAN

EAN
9783846504130

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