Methane and Nitrous Oxide Productions and Community Structure of Methanogenic Archaea in Paddy Soil of South Sulawesi, Indonesia  

Oleh:

Inubushi, Kazuyuki ; Jumadi, Oslan

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Microbiology Indonesia vol. 6 no. 3 (Sep. 2012), page 98-106.
Topik: CH ; methanogenic archaeal; N O; paddy soil
Fulltext: 142-630-2-PB_dv.pdf (431.5KB)

Isi artikel

The potential of methane and nitrous oxide productions and community structure of methanogenic archaea has been characterized by incubation studies and PCR-DGGE approaches, respectively. The results showed that addition of straw into the soil was the most important factor that influenced CH production in this incubation 4 experiment, while N O production was observed higher in soil without straw amendment under saturated 2 condition. Most of the clone sequences revealed from DGGE band was associated with a archaea lineage, Methanocellales ord. nov (Rice Cluster I). Other sequences belong to Methanomicrobiales, Methanosaetales and Rice Cluster 2 (RC-2). The study also showed that the hydrogenotrophic methanogens were the dominant members in methanogenic archaea community obtained from tropical paddy field soil, while acetoclastic methanogens present in relatively minor quantity in the soil.

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