Supplementary Table 4. OTUs Exhibiting Statistically Significant Differences in Abundance between pre and post pre-Vitamin D treatment. Phylum Subphylum Family Accession P-Value Firmicutes Clostridia Unclassified DQ793674.1 0.0003 Firmicutes Clostridia Ruminococcus DQ441345.1 0.0010 Firmicutes Clostridia Acetivibrio EF686638.1 0.0014 Firmicutes Clostridia Ruminococcus EU768484.1 0.0019 WS6 WM1006 Unclassified DQ397467.1 0.0020 Firmicutes Clostridia Ruminococcus DQ798739.1 0.0021 Firmicutes Clostridia Unclassified EU468734.1 0.0023 Firmicutes Clostridia Ruminococcus EU774563.1 0.0023 Firmicutes Clostridia Ruminococcus EU469923.1 0.0023 Firmicutes Clostridia Clostridium EF095977.1 0.0028 Firmicutes Clostridia Eubacterium DQ795602.1 0.0030 Firmicutes Clostridia Ruminococcus EU774409.1 0.0031 Firmicutes Clostridia Ruminococcus EU381636.1 0.0033 Firmicutes Clostridia Ruminococcus EU467336.1 0.0033 Proteobacteria Alphaproteobacteria SAR11 EF573244.1 0.0037 Proteobacteria Alphaproteobacteria SAR11 EF572067.1 0.0037 Proteobacteria Alphaproteobacteria SAR11 EU805290.1 0.0038 Firmicutes Clostridia Ruminococcus DQ794950.1 0.0039 Firmicutes Clostridia Ruminococcus DQ797467.1 0.0041 Proteobacteria Alphaproteobacteria SAR11 EU802513.1 0.0041 Firmicutes Clostridia Ruminococcus EU747914.1 0.0041 Firmicutes Clostridia Faecalibacterium DQ777912.1 0.0042 Firmicutes Clostridia Ruminococcus EF402950.1 0.0046 Firmicutes Clostridia Unclassified EU507404.1 0.0046 Proteobacteria Alphaproteobacteria SAR11 EU804992.1 0.0049 Firmicutes Clostridia Ruminococcus EU460164.1 0.0050 Proteobacteria Gammaproteobacteria Methylophaga FM242360.1 0.0050 Firmicutes Clostridia Faecalibacterium DQ804803.1 0.0053 Proteobacteria Alphaproteobacteria SAR11 EU237291.1 0.0055 Firmicutes Clostridia Ruminococcus EU469929.1 0.0057 Firmicutes Clostridia Unclassified DQ793455.1 0.0060 Firmicutes Clostridia Faecalibacterium AY977231.1 0.0060 Actinobacteria Actinobacteridae Unclassified AB002637.1 0.0063 Proteobacteria Gammaproteobacteria Unclassified DQ521516.1 0.0063 Actinobacteria Actinobacteridae Unclassified AM696925.1 0.0068 Firmicutes Clostridia Faecalibacterium EU776223.1 0.0070 Firmicutes Clostridia Ruminococcus DQ807473.1 0.0079 Firmicutes Clostridia Faecalibacterium DQ455883.1 0.0082 Proteobacteria Alphaproteobacteria SAR11 EF571970.1 0.0082 Proteobacteria Alphaproteobacteria SAR11 EU804304.1 0.0083 Proteobacteria Alphaproteobacteria SAR11 EU804569.1 0.0084 Firmicutes Bacilli Paenibacillaceae EU464951.1 0.0086 Firmicutes Clostridia Faecalibacterium DQ797321.1 0.0086 Firmicutes Clostridia Ruminococcus AY518589.1 0.0087 Firmicutes Clostridia Ruminococcus EU777265.1 0.0088 Firmicutes Clostridia Faecalibacterium DQ905605.1 0.0090 Proteobacteria Alphaproteobacteria SAR11 EU802827.1 0.0092 Proteobacteria Alphaproteobacteria SAR11 EF573458.1 0.0093 Firmicutes Clostridia Faecalibacterium DQ793845.1 0.0095 Proteobacteria Alphaproteobacteria SAR11 EF572923.1 0.0096 Firmicutes Clostridia Unclassified DQ905437.1 0.0097 Firmicutes Clostridia Faecalibacterium EU009819.1 0.0099 Proteobacteria Alphaproteobacteria SAR11 EU803188.1 0.0101 Firmicutes Clostridia Unclassified EU462511.1 0.0105 Firmicutes Clostridia Ruminococcus EU748064.1 0.0106 Firmicutes Clostridia Faecalibacterium EU465645.1 0.0108 Proteobacteria Alphaproteobacteria SAR11 EU804614.1 0.0108 Proteobacteria Alphaproteobacteria SAR11 AB193929.1 0.0108 Firmicutes Clostridia Ruminococcus EU454425.1 0.0110 Actinobacteria Actinobacteridae Propionibacterineae EF534291.1 0.0115 Proteobacteria Alphaproteobacteria SAR11 EF573554.1 0.0116 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EU557027.1 0.0116 Proteobacteria Alphaproteobacteria SAR11 EU800908.1 0.0117 Proteobacteria Alphaproteobacteria SAR11 EF573187.1 0.0120 Proteobacteria Alphaproteobacteria SAR11 EF572554.1 0.0124 Proteobacteria Alphaproteobacteria SAR11 EU802779.1 0.0124 Firmicutes Clostridia Ruminococcus EU137603.1 0.0124 Firmicutes Clostridia Ruminococcus EU381624.1 0.0127 Proteobacteria Alphaproteobacteria SAR11 EU804542.1 0.0127 Proteobacteria Gammaproteobacteria Pseudomonadaceae EF508975.1 0.0129 Proteobacteria Alphaproteobacteria SAR11 EF573159.1 0.0130 Actinobacteria Actinobacteridae Unclassified AY372902.1 0.0130 Firmicutes Clostridia Unclassified EU465536.1 0.0135 Proteobacteria Alphaproteobacteria SAR11 EU237440.1 0.0135 Firmicutes Clostridia Faecalibacterium EF403170.1 0.0136 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ817613.1 0.0137 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ816188.1 0.0137 Firmicutes Clostridia Ruminococcus EU779034.1 0.0139 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EU268616.1 0.0139 Firmicutes Clostridia Faecalibacterium DQ797419.1 0.0139 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AY163805.1 0.0140 Firmicutes Clostridia Ruminococcus EU506247.1 0.0141 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AB234526.1 0.0141 Proteobacteria Alphaproteobacteria SAR11 EU804987.1 0.0141 Proteobacteria Alphaproteobacteria SAR11 EF572058.1 0.0141 Firmicutes Clostridia Ruminococcus EU344681.1 0.0144 Proteobacteria Alphaproteobacteria SAR11 EU802673.1 0.0145 Firmicutes Clostridia Faecalibacterium DQ805791.1 0.0149 Firmicutes Clostridia Unclassified EU461531.1 0.0149 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AF530068.2 0.0153 Firmicutes Clostridia Ruminococcus AY916385.1 0.0153 Proteobacteria Alphaproteobacteria SAR11 EU804785.1 0.0153 Firmicutes Clostridia Unclassified EU530339.1 0.0156 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EF608512.1 0.0156 Firmicutes Clostridia Ruminococcus AB288914.1 0.0156 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EF593056.1 0.0157 Firmicutes Clostridia Ruminococcus EU772027.1 0.0157 Firmicutes Clostridia Ruminococcus EU655779.1 0.0159 Proteobacteria Alphaproteobacteria SAR11 EU804885.1 0.0161 Proteobacteria Alphaproteobacteria SAR11 EF572017.1 0.0163 Proteobacteria Alphaproteobacteria SAR11 EF573242.1 0.0163 Firmicutes Bacilli Bacillus EU091310.1 0.0166 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AB234527.1 0.0169 Firmicutes Clostridia Ruminococcus EF603511.1 0.0169 Proteobacteria Alphaproteobacteria SAR11 DQ009198.1 0.0171 Firmicutes Clostridia Ruminococcus EU468228.1 0.0171 Firmicutes Bacilli Unclassified DQ856510.1 0.0171 Proteobacteria Alphaproteobacteria SAR11 EF572160.1 0.0173 Proteobacteria Alphaproteobacteria SAR11 EF572975.1 0.0173 Proteobacteria Alphaproteobacteria SAR11 DQ071039.1 0.0173 Firmicutes Clostridia Clostridiaceae DQ125707.1 0.0173 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ816587.1 0.0175 Enterobacteriales NZABEM010 Proteobacteria Gammaproteobacteria Enterobacteriaceae 00020.1 0.0183 Firmicutes Clostridia Unclassified DQ015193.1 0.0184 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EU704201.1 0.0185 Firmicutes Clostridia Ruminococcus EU471938.1 0.0185 Firmicutes Clostridia Unclassified AY858398.2 0.0188 Firmicutes Clostridia Unclassified EU531933.1 0.0190 Firmicutes Clostridia Ruminococcus EU460201.1 0.0191 Firmicutes Clostridia Ruminococcus AY992519.1 0.0192 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AM421978.1 0.0192 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ080183.1 0.0194 Proteobacteria Alphaproteobacteria SAR11 DQ071035.1 0.0194 Proteobacteria Alphaproteobacteria SAR11 EF572426.1 0.0194 Proteobacteria Alphaproteobacteria SAR11 DQ071141.1 0.0194 Firmicutes Clostridia Faecalibacterium EF403457.1 0.0194 Firmicutes Clostridia Faecalibacterium DQ798201.1 0.0195 Proteobacteria Alphaproteobacteria SAR11 DQ071065.1 0.0195 Proteobacteria Alphaproteobacteria SAR11 EF572255.1 0.0195 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae EU528229.1 0.0197 Proteobacteria Alphaproteobacteria SAR11 EF573444.1 0.0198 Firmicutes Clostridia Unclassified DQ327133.1 0.0198 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ278909.1 0.0199 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ816132.1 0.0200 Firmicutes Clostridia Ruminococcus DQ802271.1 0.0202 Firmicutes Clostridia Faecalibacterium EU462900.1 0.0202 Firmicutes Clostridia Faecalibacterium EF402763.1 0.0204 Proteobacteria Alphaproteobacteria SAR11 EF572317.1 0.0207 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AF025366.1 0.0207 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae AM491468.1 0.0208 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ816681.1 0.0210 Firmicutes Clostridia Faecalibacterium EU768009.1 0.0217 Proteobacteria Alphaproteobacteria SAR11 EU805338.1 0.0218 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ279749.1 0.0218 Fibrobacteres TG3-1 Unclassified EF454961.1 0.0221 Firmicutes Clostridia Faecalibacterium DQ794660.1 0.0221 Firmicutes Clostridia Faecalibacterium EF400958.1 0.0224 Acidobacteria Acidobacteriae Unclassified EU132307.1 0.0224 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ817567.1 0.0225 Firmicutes Clostridia Unclassified EU468857.1 0.0225 Firmicutes Clostridia Faecalibacterium DQ806334.1 0.0226 Firmicutes Clostridia Unclassified AB234469.1 0.0226 Enterobacteriales Proteobacteria Gammaproteobacteria Enterobacteriaceae DQ816676.1 0.0228 Enterobacteriales