Laboratory of Microbiology, University of Groningen, 9751 NN Haren, The Netherlands.
Appl Environ Microbiol. 1984 Feb;47(2):329-34. doi: 10.1128/aem.47.2.329-334.1984.
Competition for sulfate and ethanol among Desulfobacter, Desulfobulbus, and Desulfovibrio species isolated from estuarine sediments was studied in energy-limited chemostats. Desulfovibrio baculatus was the most successful competitor for limiting amounts of sulfate and ethanol, followed by Desulfobulbus propionicus. The success of Desulfovibrio baculatus was dependent on the availability of sufficient iron. Of the three species studied, Desulfobacter postgatei was the least successful competitor for limiting amounts of sulfate. Although stimulating the growth of Desulfobacter postgatei, addition of Ca-saturated illite particles to culture media did not affect the outcome of competition for sulfate. Thus, under sulfate limitation acetate accumulated. This phenomenon was briefly discussed in relation to the flow of electrons during anaerobic mineralization in marine and estuarine sulfate-limited sediments.
从河口沉积物中分离得到的脱硫杆菌属、脱硫孤菌属和脱硫弧菌属在能量有限的恒化器中对硫酸盐和乙醇进行竞争的研究。在限制数量的硫酸盐和乙醇中，脱硫弧菌属baculatus 是最成功的竞争者，其次是脱硫孤菌属 propionicus。脱硫弧菌属 baculatus 的成功取决于足够的铁的可用性。在所研究的三个物种中，脱硫杆菌属 postgatei 是限制硫酸盐数量时最不成功的竞争者。尽管添加 Ca 饱和伊利石颗粒会刺激脱硫杆菌属 postgatei 的生长，但它不会影响硫酸盐竞争的结果。因此，在硫酸盐限制下，乙酸盐积累。在讨论与海洋和河口硫酸盐限制沉积物中厌氧矿化过程中电子流动有关的问题时，简要讨论了这一现象。
