Composition and heterogeneity of the microbial community in a coastal microbial mat as revealed by the analysis of pigments and phospholipid-derived fatty acids
Composition and heterogeneity of the microbial community in a coastal microbial mat as revealed by the analysis of pigments and phospholipid-derived fatty acids
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DOI：
10.1016/j.seares.2009.10.002
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发表时间：
2010-01-01
影响因子：
2
通讯作者：
Kromkamp, Jacco C.
中科院分区：
文献类型：
--
作者：
Dijkman, Nicole A.;Boschker, Henricus T. S.;Kromkamp, Jacco C.
北海屏障岛Schiermontogg（荷兰）的海滩被微生物垫覆盖。五种类型的微生物垫的各种特征的基础上区分。位于沿着垂直于海岸的一条横断面上。生物量丰度和组成的微生物群落进行了分析，在这些垫使用色素和磷脂衍生的脂肪酸（PLFA）作为生物标志物。生物量每克沉积物增加超过6倍，从垫在低水位线垫在沙丘的边缘。微观分析表明，生物量的增加伴随着物种组成的变化。色素和PLFA组成反映了物种组成的变化。PLFA数据可用于使用矩阵因子分解程序CHEMTAX估计相对组丰度。而发现颜料数据不适合于此目的。(C)2009 Elsevier B.V.保留所有权利。
The beaches of the North Sea barrier island Schiermonnikoog (The Netherlands) are covered by microbial mats. Five types of microbial mats were distinguished based on a variety of characteristics. located along a transect perpendicular to the coast. Biomass abundance and composition of the microbial community were analyzed in these mats using pigments and phospholipid-derived fatty acids (PLFA) as biomarkers. Biomass per gram sediment increased more than six-fold from the mats at the low water mark to mats found at the edge of the dunes. Microscopic analysis revealed that the increase in biomass was accompanied by a change in species composition. Pigment- and PLFA composition reflected the changes in species composition. The PLFA data could be used to estimate the relative group abundance using the matrix factorization program CHEMTAX., whereas the pigment data were found not to be suitable for this purpose. (C) 2009 Elsevier B.V. All rights reserved.