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1996[X]
1Author    BlahoslavM. Aršálek, Renata RojíčkováRequires cookie*
 Title    Stress Factors Enhancing Production of Algal Exudates: a Potential Self-Protective Mechanism?  
 Abstract    Algae are known to produce extracellular organic substances under optimum conditions and increase their production under stress. The changes in amount and composition of extra­ cellular carbohydrates and proteins of three green algae Scenedesmus quadricauda, Chlorella kessleri and Raphidocelis subcapitata (known as Selenastrum capricornutum) were studied after a 5-days' cultivation under the influence of different types o f stress factors (osm otic, organic, and heavy metal stressors). NaCl enhanced the quantity of carbohydrates more than proteins. A higher increase o f proteins than carbohydrates was observed after addition of 3,5-dichlorophenol, glyphosate and cadmium chloride to algal cultures. The production of dissolved organic matter differs from species to species, with the age of a culture and the type of stressor. 
  Reference    Z. Naturforsch. 51c, 646 (1996); received May 28/June 25. 1996 
  Published    1996 
  Keywords    Algae, Extracellular Products, Proteins, Carbohydrates 
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 TEI-XML for    default:Reihe_C/51/ZNC-1996-51c-0646.pdf 
 Identifier    ZNC-1996-51c-0646 
 Volume    51