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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Biodiversity analysis of selected cyanobacteria.
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Biodiversity analysis of selected cyanobacteria.

机译：所选蓝细菌的生物多样性分析。

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摘要

Nostoc, Anabaena and Calothrix strains were examined for the contents of pigments, carbohydrates and total soluble proteins, and for activities of enzymes related to N metabolism. The total chlorophyll content was highest in Anabaena strains, followed by Nostoc and Calothrix strains. Calothrix strains had the highest carotenoid content, followed by Anabaena and Nostoc strains. In Anabaena strains, allophycocyanin was the most abundant, followed by phycoerythrin and phycocyanin. In Nostoc and Calothrix strains, phycoerythrin was dominant, followed by allophycocyanin and phycocyanin. The carbohydrate content and total soluble protein content varied among the isolates. Marked differences in nitrate reductase and glutamine synthetase [glutamate-ammonia ligase] (transferase) activities were also observed. Based on the similarity matrix, a dendrogram was constructed using SIMQUAL software. Inter/intrageneric similarity was recorded for physiological parameters when assigned equal importance, and some of the cyanobacterial isolates exhibited either no or only 6% similarity. All the clusters showed isolates from more than one genus, thus, indicating that the cyanobacterial genera cannot be differentiated based on physiological parameters alone..
机译：检查了Nostoc，Anabaena和Calothrix菌株的色素，碳水化合物和总可溶性蛋白质的含量，以及与N代谢相关的酶的活性。总的叶绿素含量在Anabaena菌株中最高，其次是Nostoc和Calothrix菌株。 Calothrix菌株的类胡萝卜素含量最高，其次是Anabaena和Nostoc菌株。在鱼腥藻菌株中，藻蓝蛋白含量最高，其次是藻红蛋白和藻蓝蛋白。在Nostoc和Calothrix菌株中，藻红蛋白占主导地位，其次是藻蓝蛋白和藻蓝蛋白。在分离物中，碳水化合物含量和总可溶性蛋白质含量变化。还观察到硝酸还原酶和谷氨酰胺合成酶[谷氨酸-氨连接酶]（转移酶）活性的显着差异。基于相似矩阵，使用SIMQUAL软件构建树状图。当分配相同的重要性时，记录生理参数之间/种内相似性，并且某些蓝细菌分离株没有或只有6％相似性。所有簇均显示出一个以上属的分离株，因此，表明仅根据生理参数不能区分蓝细菌属。

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