Journal of Advanced Microbiology

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Abstract: Many studies have been carried out to assess the effects of plant on soil microorganism
communities in different environments. However, little is known about whether soil depths affect soil microbial
community in turfgrass ecosystems. Therefore, in the present study the microbial diversity in turf-grass soil at
different depth was studied by high-throughput sequencing technique, and the corresponding analysis of
microbial composition were conducted. The results showed that the bacteria and fungi in the turf soil at depths
of 0-10 cm were richer than that of 10-20 cm. The difference of soil microbial community at the genera level
is more significant than that at phylum level. Among bacteria, a total of 3 dominant genus and 148 nondominant
genera were shared by the two samples. Two dominant genera and 12 non-dominant genera were
present only in sample CP3 (10-20 cm), while 2 dominant genera and 18 non-dominant genera present only in
sample CP4 (0-10 cm). Among fungi, a total of 7 dominant genera and 79 non-dominant genera were shared
by the two samples. Ten non-dominant genera were present only in sample CP3, while 6 dominant genera and
21 non-dominant genera present only in sample CP4. The results also indicated that both dominant and nondominant
microbial populations differed greatly in the two samples, as did the overall soil microbial community
structure. This study provides previously unknown information regarding the impact of soil depths on microbial
communities in turfgrass soil and also lays a foundation for further investigations into microbiota in turfgrass
ecosystems.

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