[Bacterial conversion of sulfur-and phosphorous-compounds and microbial diversity in sediments from a near-shore marine-cultural region].
The H2S-producing bacteria and the phosphorous-cycling bacteria in sediments from near-shore marine-cultural region were investigated. Results indicate that the bacterial H2S production in aerobic condition is the dominating process to produce H2S in the sediment of cultural pond. The total counts of H2S-producing bacteria utilizing cysteine and Na2S2O3 were 1.6 x 10(6) and 4.35 x 10(3) cells g(-1) respectively. The counts of sulfate-reducing bacteria in the sediments were very little, only 2.5 x 10(1) g(-1). Further results show that the bacterial counts of decomposing lecithin and secreting phosphatase were 2.17 x 10(5) and 1.21 x 10(6) g(-1) respectively, bacterial counts of dissolving Ca3PO4 were 6.96 x 10(3) g(-1). Traditional taxonomy and partial 16S rRNA gene sequencing on the H2S-producing and phosphate-cycling bacteria indicate that most isolates could be classified as members of the following Genera: Bacillus, Halobacillus, Microbacterium, etc.
Wang
Ya-nan
YN
Institute of Microbiology, Chinese Academy of Sciences, Beijing 100080, China.
Wang
Bao-jun
BJ
Dai
Xin
X
Jiao
Nian-zhi
NZ
Peng
Zhi-ying
ZY
Liu
Shuang-jiang
SJ
D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D044822:Biodiversity; D006862:Hydrogen Sulfide / Q000378:metabolism*; D033561:Penaeidae / Q000254:growth & development / Q000378:metabolism*; D010758:Phosphorus / Q000378:metabolism; D012623:Seawater / Q000382:microbiology*; D013455:Sulfur / Q000378:metabolism; D014871:Water Microbiology
D010758:Phosphorus; D013455:Sulfur; D006862:Hydrogen Sulfide