Abstract
Aerobic anoxygenic phototrophic bacteria (AAnPB) are bacteriochlorophyll a-containing photoheterotrophic organisms that rely on phototrophy and heterotrophy processes for energy acquisition. Here, we demonstrate the ubiquitous distribution of AAnPB in the Uwa Sea and their relatively larger cell size among members of the bacteria community. The contribution of AAnPB in terms of cell number to the total bacterial abundance ranged from 3.5 % to 7.9 %. The mean cell volume for AAnPB was 2.78 ± 0.72 times larger than the mean cell volume of the total bacteria. The ratio of the contribution of their biovolume to the total bacteria was estimated to be 9.7–22 %.
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Acknowledgments
We thank Prof. Shin-ichi Uye for his arranging the Toyoshio-maru cruise (Hiroshima University), the captain and crews of the ship, and many other colleagues on board for their assistance in collecting samples during the cruises. We also thank Prof. Koji Suzuki and Dr. Eisuke Tsutsumi for their helpful support. This study was funded in part by a Special Research Grant in Ehime University.
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Sato-Takabe, Y., Suzuki, S., Shishikura, R. et al. Spatial distribution and cell size of aerobic anoxygenic phototrophic bacteria in the Uwa Sea, Japan. J Oceanogr 71, 151–159 (2015). https://doi.org/10.1007/s10872-014-0267-z
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DOI: https://doi.org/10.1007/s10872-014-0267-z