Preliminary study on PAH degradation by bacteria from contaminated sediments in Xiamen Western Sea, Fujian, China

Maskaoui Khalid; Zheng Tianling; Hong Huasheng; Yu Zhiming; Yuan Jianjun; Hu Zhong

doi:10.1007/BF02843641

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Preliminary study on PAH degradation by bacteria from contaminated sediments in Xiamen Western Sea, Fujian, China

Updated：2023-05-16

- Preliminary study on PAH degradation by bacteria from contaminated sediments in Xiamen Western Sea, Fujian, China
- Journal of Oceanology and Limnology Vol. 22, Issue 4, Pages: 431-435(2004)
- Affiliations：
  
  1. School of Life Sciences Xiamen University
  2. Lab. of Marine Environmental Science China Ministry of Education,Key
  3. Lab. of Marine Ecology & Environmental Science Chinese Academy of Sciences,Key
  4. Department of Biology Quanzhou Normal College
- Author bio：
- Funds：
- DOI：10.1007/BF02843641
  CLC：
- Published：2004
- Accepted：
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Khalid, M., Tianling, Z., Huasheng, H. et al. Preliminary study on PAH degradation by bacteria from contaminated sediments in Xiamen Western Sea, Fujian, China., Chin. J. Ocean. Limnol. 22, 431–435 (2004). https://doi.org/10.1007/BF02843641
DOI：

Khalid, M., Tianling, Z., Huasheng, H. et al. Preliminary study on PAH degradation by bacteria from contaminated sediments in Xiamen Western Sea, Fujian, China., Chin. J. Ocean. Limnol. 22, 431–435 (2004). https://doi.org/10.1007/BF02843641 DOI：

摘要

Abstract

In order to estimate the biodegradation of three polycyclic aromatic hydrocarbons (PAHs) compounds

bacterial strains were isolated from marine sediments in three heavily contaminated sites (Yuandang Lake

Dongdu Port and Aquacultural zones in Maluan Bay) in Xiamen Western Sea. The results show three bacterial strains

which used pyrene as the sole carbon source

were identified as strains ofAureobacterium sp.

Arthrobacter sp.

Rhodococcus sp. The PAH-degrading bacteria isolated had a strong ability to degrade phenanhrene

fluoranthene and pyrene at different degradation rates. The highest degradation rate was observed when three PAH compounds were mixed with an individual strain in the medium. The three PAHs were degraded after one week with a degradation rate of 89.94% for phenanthrene and 93.4% for both of fluoranthene and pyrene. In addition

after 25 days of incubation

the degradation rate was 99.98% for phenanthrene and 99.97% for both of fluoranthene and pyrene. Optical density was measured to estimate bacterial growth during the degradation of PAHs. Highest levels of bacterial growth were observed with a three PAH mixture in the culture

suggesting that the concentration of PAHs influenced bacterial growth and the highest levels of degradation for most series were detected after one week of incubation.

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references

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