Abstract:
:Bacteriophages are ubiquitous in various environments. Our previous study revealed the diversity of the cyanophage community in paddy floodwater. In this study, the phylogeny and genetic diversity of cyanophage communities in paddy field soils were reported. The viral capsid assembly protein gene (g20) of cyanophage was amplified with the primers CPS1 and CPS8 from soil DNA extracted during two different sampling times at three sampling sites in Japan. The sequencing results indicated that about 93% of the clones were g20 genes. In total, 70 clones of g20 genes were obtained in this study, of which 69 clones were of cyanophage origin. As evaluated by g20 sequence assemblages in paddy field soils, the unifrac analyses results indicated that cyanophage communities changed among the sampling sites and times and differed from those communities detected in paddy floodwater. The phylogenetic analysis showed that the g20 sequences in paddy field soils were very diverse and distributed into Clusters α, β and ɛ, as well as four newly formed clusters. Within Clusters β and ɛ, four unique subclusters were formed from the g20 clones that were only observed in this study. These findings suggested that the cyanophage communities in paddy field soils are different from those found in freshwater, marine water and paddy floodwater.
journal_name
FEMS Microbiol Ecoljournal_title
FEMS microbiology ecologyauthors
Wang G,Asakawa S,Kimura Mdoi
10.1111/j.1574-6941.2011.01052.xsubject
Has Abstractpub_date
2011-05-01 00:00:00pages
352-9issue
2eissn
0168-6496issn
1574-6941journal_volume
76pub_type
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