Competitive biosorption of different forms of lead [Pb(NO3)2 and Pb(CH3COO)2] on growth, biomass and proline in Spirulina platensis (Cyanophyta)

被引：3
|
作者：
Sayin, Selin [1 ]
Yilmaz, Ayse Bahar [1 ]
Ergun, Nuray [2 ]
Turan, Funda [1 ]
机构：
[1] Mustafa Kemal Univ, Fac Fisheries, TR-31200 Iskenderun, Hatay, Turkey
[2] Mustafa Kemal Univ, Fac Sci, Dept Biol, TR-31034 Antakya, Hatay, Turkey
来源：
AFRICAN JOURNAL OF BIOTECHNOLOGY | 2011年 / 10卷 / 80期
关键词：
Spirulina; heavy metal; growth parameters; uptake; HEAVY-METALS; AMINO-ACID; ACCUMULATION; TOLERANCE; CADMIUM; COPPER; ZINC; ENHANCEMENT; MECHANISM; BINDING;
D O I：
10.5897/AJB11.896
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Spirulina platensis growth parameters [chlorophyll a (chl a) and dry-wet weight] effects on proline content, lead accumulation and the combined effect of the different forms of lead [Pb (NO3)(2), Pb (CH3COO)(2)] and pH (6 to 8) were investigated for 192 h. The accumulation and form of lead were determined to be effective on growth parameters. While the highest chl a value (562.37 mu gl(-1)) and lead accumulation (58.74 mu gg(-1)) were found in medium with 30 mgl(-1) Pb (CH3COO)(2) and pH 6, the highest proline content was found in 30 mgl(-1) Pb (NO3)(2) and pH 6. This study depict an inverse relationship between lead accumulation in the test algae and low pH which suggests that proline might be produced at the expense of the material(s) required for the development of S. platensis.
引用
收藏
页码：18458 / 18462
页数：5
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