Mixed-culture aerobic anoxygenic photosynthetic bacterial consortia reduce nitrate: Core species dynamics, co-interactions and assessment in raw water of reservoirs - Details

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Abstract：

Three　consortia　of　mixed-culture　Aerobic　Anoxygenic　Photosynthetic　Bacteria　(AAPB)　with　excellent　aerobic　denitrifying　ability　were　isolated　from　drinking　water　source　reservoirs.　The　results　showed　that　the　removal　of　dissolved　organic　carbon　(DOC)　and　nitrate　nitrogen　(NO3–-N)　by　mixed-culture　AAPB　were　higher　than　90%　and　99%,　respectively.　The　Illumina　MiSeq　sequencing　of　pufM　gene　revealed　that　the　dominant　genera　and　their　relative　abundance　changed　over　the　culture　periods.　Sphingomonas　sanxanigenens　was　the　most　dominant　species　observed　at　9　h,　whereas　at　48　h,　the　most　abundant　species　was　Rhodobacter　blasticus.　A　network　analysis　demonstrated　that　the　co-interactions　among　the　different　genera　were　complex　and　variable.　Mixed-culture　AAPB　removed　more　than　30%　of　NO3–-N　and　25%　of　DOC　from　the　source　water　and　this　study　suggests　that　mixed-culture　AAPB　can　be　regarded　as　a　latent　denitrifying　microbial　inoculum　in　the　reservoir　raw　water　treatment.　©　2020　Elsevier　Ltd

Keyword：

Aerobic bacteria Denitrification Nitrates Nitrogen removal Organic carbon Potable water Reservoirs (water) Water treatment

Author Community：

[ 1 ] [Zhang, Haihan]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 2 ] [Wang, Yan]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 3 ] [Huang, Tinglin]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 4 ] [Liu, Kaiwen]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 5 ] [Huang, Xin]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 6 ] [Ma, Ben]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 7 ] [Li, Nan]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China
[ 8 ] [Sekar, Raju]Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou; 215123, China

Reprint Author's Address：

[Zhang, Haihan]Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an; 710055, China;;

Email：

zhanghaihan@xauat.edu.cn

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Source ：

Bioresource Technology

ISSN： 0960-8524

Year： 2020

Volume： 315

9 . 6 4 2

JCR@2020

9 . 6 4 2

JCR@2020

ESI Discipline： BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold：69

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 24

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 4

Affiliated Colleges：

学院待认领

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