ERP116253 PRJEB33462 ena-STUDY-lchm1219-11-07-2019-07:13:47:418-582 Resist to Organic Load Shocks Enhances the Performance of Autotrophic Biocathode Cathodic biofilms in the presence or absence of glucose shock were collected from each MEC systems. DNA was immediately extracted using a Soil Genomic DNA Kit (CW2091S, Com Win Biotech Co. Ltd., Beijing, China) according to the manufacturer's instructions.41 Samples were then sent to Novogene (Tianjin, China) for sequence analysis of 16S rDNA hypervariable V4 region by Illumina MiSeq. The sequencing results were statistically tested and visualized by the R language. Cathodic biofilms in the presence or absence of glucose shock were collected from each MEC systems. DNA was immediately extracted using a Soil Genomic DNA Kit (CW2091S, Com Win Biotech Co. Ltd., Beijing, China) according to the manufacturer's instructions.41 Samples were then sent to Novogene (Tianjin, China) for sequence analysis of 16S rDNA hypervariable V4 region by Illumina MiSeq. The sequencing results were statistically tested and visualized by the R language. ENA-FIRST-PUBLIC 2019-09-10 ENA-LAST-UPDATE 2019-07-11