Predicted mutation
evidence seq id position mutation freq annotation gene description
RA CP006881 993,550 A→C 23.0% K84N (AAA→AAC U712_04850 → General stress protein 69

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*CP006881993,5500AC23.0% 106.0 / 5.8 61K84N (AAA→AACU712_04850General stress protein 69
Reads supporting (aligned to +/- strand):  ref base A (38/8);  new base C (3/11);  total (41/20)
Fisher's exact test for biased strand distribution p-value = 4.89e-05
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 1.00e+00

TCCGCGCCGCTCTTGATCAGGGGATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAGGTGCATTGGCCCGA  >  CP006881/993417‑993681
                                                                                                                                     |                                                                                                                                   
tCCGCGCCGCTCTTGATCAGGGGATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGc                                                                                                                                >  7:191243/1‑139 (MQ=255)
  cgcgCCGCTCTTGATCCGGGGATTACCCTGATTGACACCCCACCGGCTTCCGGGTGCGGGCAGCCCGAGGAATTTGCCGGAAAGCCAATCAAAGAGTACGCCAAATGACACCAGGTGATTCTCGCAACCAAAACGGctc                                                                                                                              <  8:331798/139‑1 (MQ=255)
    cgccgcTCTTGATCAGGGGATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTctg                                                                                                                            >  3:148447/1‑139 (MQ=255)
                   agggATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGaacaac                                                                                                             >  5:262649/2‑139 (MQ=255)
                    gggATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGaacaac                                                                                                             >  3:29052/1‑138 (MQ=255)
                    gggATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGaacaac                                                                                                             >  5:275753/1‑138 (MQ=255)
                      gATTACACTGTTTGACACCGCACGGGCTAAGGGCTTCGGCAAGCCCGAGTAAATTGTCGCAACGGCAAAAAACGATTCCGCAAAAAGCCACCCGGTTATTCTCCCAACTAAAACGGCTCTGGACTGGAAGAACAACCAg                                                                                                          <  4:148447/139‑1 (MQ=255)
                      gATTACACTGATTCACCCCGCCCCGGCTTACGGCTTCGGGACGGCCGAGGAAATGGTCGGAACGGCAATCAAAGAGTACGCCAAACGACACCAGGGGATTCTCCCAACGAACACGGCTCTGGACTGGAAGAACAACCAg                                                                                                          <  2:18592/139‑1 (MQ=255)
                        ttACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGATAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCACCGAAAACGGCTCTGGACTGGAAGACCAACCAGCt                                                                                                        >  6:261584/1‑139 (MQ=255)
                              tGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCg                                                                                                  >  8:126214/1‑139 (MQ=255)
                              tGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCg                                                                                                  >  8:311122/1‑139 (MQ=255)
                              tGATTGACACAGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCg                                                                                                  >  5:86930/1‑139 (MQ=255)
                                aTTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTTTCGGAAAGGCAAACAAAGAGTACGGCAAAAGAGACCAGGTGATTATCTCAACTAACACGGCTCTTGACTGGAAGAAAAACCAGCTGTTCCGc                                                                                                 >  8:290288/1‑138 (MQ=255)
                                aTTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAACCGGCTCTGGACTGGAAGAACACCCAGCTGTTCCGc                                                                                                 >  1:18592/1‑138 (MQ=255)
                                aTTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGcc                                                                                                >  3:93191/1‑139 (MQ=255)
                                aTTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGc                                                                                                 >  3:267736/1‑138 (MQ=255)
                                aTTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGc                                                                                                 >  2:158391/1‑138 (MQ=255)
                                     caccgcaccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGc                                                                                            >  8:259986/1‑138 (MQ=255)
                                     caccgcaccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGc                                                                                            >  6:350195/1‑138 (MQ=255)
                                          caccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGaa                                                                                         >  8:5283/1‑136 (MQ=255)
                                          caccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACag                                                                                      >  5:22485/1‑139 (MQ=255)
                                          caccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACag                                                                                      >  7:276894/1‑139 (MQ=255)
                                          caccgGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGAAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAAAAACCAGCTGTTCCGCCATGCGAAcct                                                                                      >  7:190571/1‑137 (MQ=255)
                                          caccgGCTTACGGCGTCGGGCAGTCCGAGGACAGGGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGAGTCTGTCACCGATCCCGGCTCTGGACTGGAAGAACACGCTCCTGTTCCGCCTTGCTaa                                                                                         >  8:364115/1‑136 (MQ=255)
                                               tcTTACGGCGTGGGGCAGTCCGAGTAATTTGTCGTAAAGGCAATCAAAGTGTACGGCAAAATAGCCCAGGTGTTTCTCGAAACTAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCga                                                                                 <  2:256815/138‑1 (MQ=255)
                                                  tACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGaa                                                                              >  5:287139/1‑139 (MQ=255)
                                                         tCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTa                                                                         >  1:256815/1‑137 (MQ=255)
                                                          cGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAGCGAACACGGCTCTGGACTGGAGGCACAACCAGCTGTTCCGCCAGGCGACCAGAGCGCGATTTGTagag                                                                      >  2:352515/1‑139 (MQ=255)
                                                          cGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTagag                                                                      >  1:57463/1‑139 (MQ=255)
                                                          cGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGCACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTagag                                                                      >  1:366612/1‑139 (MQ=255)
                                                                 tCCGAGGAAATTGTCGGATAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAACCGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGtgg                                                               >  6:388187/1‑137 (MQ=255)
                                                                 tCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGtt                                                                >  4:45292/1‑138 (MQ=255)
                                                                 tCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGAACAGGTGATTCTCGCAACGAAACCGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGtt                                                                >  5:368563/1‑138 (MQ=255)
                                                                     atcaatttGGCGCAAAGCCAAACAAAGAGAACGCAAAACGCCCCCAGGTGATGCCCCCAACTAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGaa                                                           <  1:82252/133‑1 (MQ=255)
                                                                      ggAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAAt                                                          >  5:226887/1‑139 (MQ=255)
                                                                           ttGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCttt                                                     >  5:251154/1‑139 (MQ=255)
                                                                           ttGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCttt                                                     >  4:4176/1‑139 (MQ=255)
                                                                           ttGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCttt                                                     >  2:21991/1‑139 (MQ=255)
                                                                           ttGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTGGAGAATTCttt                                                     >  5:245958/1‑139 (MQ=255)
                                                                               cgtacaGGCAATCAACGAGCACGGAAAAAGACACCCGGGGCTACGCCCAACCAACACGGCTCTGGACTGGCAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAg                                                 <  7:379053/134‑1 (MQ=255)
                                                                                        aaTCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCa                                         >  6:177507/1‑138 (MQ=255)
                                                                                             aaGCGTACCCCAACAGAGACCAGGTCATTCTCCCAACTAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGa                                   <  7:159926/139‑1 (MQ=255)
                                                                                             aaGATTACGTCAAAAGATACCAGGTGATTCTCGCAACGAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGa                                   <  8:80849/139‑1 (MQ=255)
                                                                                             aaGAGTCCGCCAAAAGAGACCCGGTGTTGCTCCCAACTAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGa                                   <  1:43214/139‑1 (MQ=255)
                                                                                                agTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAACCAGACta                                >  4:168089/1‑139 (MQ=255)
                                                                                                agTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACta                                >  5:288026/1‑139 (MQ=255)
                                                                                                agTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACta                                >  7:80849/1‑139 (MQ=255)
                                                                                                agTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGATCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACta                                >  7:309714/1‑139 (MQ=255)
                                                                                                   aCGGCAAAACCTACCTGTTTATTCCCGCAACCAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTatat                             <  6:226887/139‑1 (MQ=255)
                                                                                                    cgccAAAAGCCACCAGGTGATTCCCCCACCGAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATAtt                            <  8:191243/136‑1 (MQ=255)
                                                                                                     gcaaaaaGACACCCGGTGATTCTCGCAACGAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTg                           <  8:276894/136‑1 (MQ=255)
                                                                                                          aaGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCtt                      >  6:88018/1‑139 (MQ=255)
                                                                                                            gagaCCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTa                    >  7:391396/1‑139 (MQ=255)
                                                                                                              gaCCAGGTGATTCCCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATc                  <  4:148120/139‑1 (MQ=255)
                                                                                                                cctggTGATTCGCGCCACCAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAg                <  4:29052/136‑1 (MQ=255)
                                                                                                                cccggTGATGCTCGCACCCAACACGGCGCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAg                <  7:311122/136‑1 (MQ=255)
                                                                                                                ccAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAg                <  8:391396/139‑1 (MQ=255)
                                                                                                                     gtatgctcCCAACGAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAGGTGCa           <  7:50394/134‑1 (MQ=255)
                                                                                                                              cAACGAAGACGGCTCTTGACTTGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTTAGAATTCTTTGAAGCGTCTTCAAACAGACTATATTGATCTTTATCAGGTGCATTGGCCCGa  <  6:368563/139‑1 (MQ=255)
                                                                                                                              cAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAGGTGCATTGGCCCGa  <  2:57463/139‑1 (MQ=255)
                                                                                                                              aaaCGAACACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAGGTGCATTGGCCCGa  <  2:366612/138‑1 (MQ=255)
                                                                                                                                     |                                                                                                                                   
TCCGCGCCGCTCTTGATCAGGGGATTACACTGATTGACACCGCACCGGCTTACGGCTTCGGGCAGTCCGAGGAAATTGTCGGAAAGGCAATCAAAGAGTACGGCAAAAGAGACCAGGTGATTCTCGCAACGAAAACGGCTCTGGACTGGAAGAACAACCAGCTGTTCCGCCATGCGAACAGAGCGAGAATTGTAGAGGAAGTTGAGAATTCTTTGAAGCGGCTTCAAACAGACTATATTGATCTTTATCAGGTGCATTGGCCCGA  >  CP006881/993417‑993681

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 14 ≤ ATCG/ATCG < 15 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 36 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: