Abstract：
:Chloramphenicol (CAP) is a frequently detected environmental pollutant. In this study, an electroactive biofilm for CAP reduction was established by initially in the anode and then inverting to the cathode. The established biocathode could enhance the reduction of CAP to the nitro-group reduced CAP (AMCl2) and further dechlorinated form (AMCl), both had lost the antibacterial activity. The phylogenetic diversity of the acclimated biofilm was decreased after the polar inversion. Proportions of functional bacterial genera, including Geobacter, Desulfovibrio and Pseudomonas responsible for the bidirectional electron transfer and nitroaromatics reduction, had increased 28%, 104% and 43% in the cathode. The relatively high abundances (over 50%) of Geobacter in anode and cathode were rarely detected for the nitroaromatics reduction. This study provides new insights into the electroactive biofilm structure improvement by the polarity inversion strategy for refractory antibiotics degradation.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Yun H,Kong D,Liang B,Cui M,Li Z,Wang Adoi
10.1016/j.biortech.2016.09.047subject
Has Abstractpub_date
2016-12-01 00:00:00pages
666-670eissn
0960-8524issn
1873-2976pii
S0960-8524(16)31304-9journal_volume
221pub_type
杂志文章abstract：:To ensure proper use of Trichoderma harzianum in agriculture, accurate data must be obtained in population monitoring. The effectiveness of qRT-PCR to quantify T. harzianum in different growing media was compared to the commonly used techniques of colony counting and qPCR. Results showed that plate counting and qPCR o...
journal_title：Bioresource technology
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