TABLE 3.
Spearman Correlation coefficients showing the relationships between endophytic bacterial genera (relative abundance > 0.01%) and four alkaloids.
| Phylum | Genus | Protopine |
Allocryptopine |
Sanguinarine |
Chelerythrine |
||||
| r | P | r | p | r | p | r | p | ||
| Thermi | 0.283 | 0.180 | −0.173 | 0.419 | 0.000 | 0.998 | −0.231 | 0.277 | |
| Deinococcus | 0.283 | 0.181 | −0.170 | 0.426 | 0.012 | 0.955 | −0.219 | 0.304 | |
| Actinobacteria | −0.036 | 0.867 | 0.337 | 0.108 | −0.531 | 0.008 | −0.424 | 0.039 | |
| Amycolatopsis | 0.100 | 0.642 | 0.319 | 0.129 | −0.123 | 0.567 | 0.010 | 0.964 | |
| Curtobacterium | 0.444 | 0.030 | 0.004 | 0.985 | 0.228 | 0.284 | 0.047 | 0.828 | |
| Kineococcus | 0.658 | 0.000 | 0.262 | 0.216 | 0.350 | 0.094 | 0.157 | 0.463 | |
| Kribbella | 0.102 | 0.634 | 0.493 | 0.014 | −0.003 | 0.987 | 0.110 | 0.608 | |
| Kutzneria | 0.034 | 0.876 | 0.467 | 0.022 | −0.032 | 0.882 | 0.164 | 0.445 | |
| Microbacterium | 0.387 | 0.062 | 0.726 | 0.000 | 0.125 | 0.560 | 0.207 | 0.332 | |
| Mycobacterium | −0.070 | 0.745 | 0.405 | 0.050 | −0.128 | 0.550 | 0.025 | 0.908 | |
| Nocardia | 0.140 | 0.515 | 0.451 | 0.027 | 0.013 | 0.951 | 0.107 | 0.620 | |
| Propionibacterium | −0.487 | 0. 016 | −0.628 | 0.001 | −0.067 | 0.755 | −0.058 | 0.788 | |
| Pseudonocardia | 0.326 | 0.119 | 0.491 | 0.015 | 0.194 | 0.365 | 0.204 | 0.338 | |
| Streptomyces | 0.344 | 0.100 | 0.496 | 0.014 | 0.117 | 0.586 | 0.238 | 0.262 | |
| Bacteroidetes | −0.341 | 0.103 | −0.457 | 0.025 | −0.302 | 0.152 | −0.319 | 0.129 | |
| Dyadobacter | −0.129 | 0.548 | 0.339 | 0.105 | −0.008 | 0.972 | 0.193 | 0.365 | |
| Hymenobacter | 0.527 | 0.008 | 0.088 | 0.684 | 0.269 | 0.204 | 0.081 | 0.707 | |
| Spirosoma | 0.643 | 0.001 | 0.236 | 0.268 | 0.442 | 0.031 | 0.235 | 0.269 | |
| Chryseobacterium | −0.054 | 0.803 | −0.176 | 0.411 | 0.176 | 0.409 | 0.125 | 0.562 | |
| Pedobacter | −0.312 | 0.138 | −0.005 | 0.982 | 0.109 | 0.613 | 0.247 | 0.245 | |
| Firmicutes | −0.763 | 0.000 | −0.713 | 0.000 | −0.37 | 0.075 | −0.267 | 0.207 | |
| Bacillus | −0.257 | 0.226 | 0.081 | 0.705 | −0.469 | 0.021 | −0.270 | 0.202 | |
| Staphylococcus | −0.728 | 0.000 | −0.701 | 0.000 | −0.328 | 0.118 | −0.270 | 0.203 | |
| α-Proteobacteria | 0.804 | 0.000 | 0.465 | 0.023 | 0.501 | 0.013 | 0.368 | 0.077 | |
| Bradyrhizobium | −0.388 | 0.061 | 0.151 | 0.480 | −0.455 | 0.026 | −0.220 | 0.303 | |
| Methylobacterium | 0.263 | 0.215 | −0.203 | 0.339 | −0.121 | 0.572 | −0.316 | 0.132 | |
| Afipia | 0.087 | 0.687 | 0.614 | 0.001 | −0.115 | 0.592 | 0.096 | 0.654 | |
| Agrobacterium | −0.035 | 0.872 | 0.261 | 0.218 | −0.103 | 0.633 | 0.030 | 0.891 | |
| Bosea | 0.039 | 0.856 | 0.317 | 0.131 | 0.203 | 0.340 | 0.320 | 0.127 | |
| Caulobacter | −0.253 | 0.232 | 0.038 | 0.860 | −0.096 | 0.656 | 0.015 | 0.946 | |
| Hyphomicrobium | −0.230 | 0.279 | 0.220 | 0.302 | −0.318 | 0.129 | −0.116 | 0.589 | |
| Novosphingobium | −0.128 | 0.551 | 0.159 | 0.459 | 0.088 | 0.682 | 0.231 | 0.276 | |
| Phyllobacterium | −0.145 | 0.499 | 0.329 | 0.117 | −0.093 | 0.666 | 0.098 | 0.648 | |
| Rhizobium | −0.132 | 0.539 | 0.364 | 0.080 | −0.173 | 0.419 | 0.056 | 0.797 | |
| Rhodoplanes | 0.077 | 0.721 | 0.522 | 0.009 | −0.073 | 0.733 | 0.052 | 0.809 | |
| Sphingomonas | 0.257 | 0.226 | −0.196 | 0.358 | 0.554 | 0.005 | 0.428 | 0.037 | |
| β-Proteobacteria | −0.718 | 0.000 | −0.570 | 0.004 | −0.386 | 0.063 | −0.249 | 0.242 | |
| Delftia | −0.089 | 0.681 | 0.275 | 0.193 | 0.245 | 0.249 | 0.382 | 0.066 | |
| Herbaspirillum | −0.660 | 0.000 | −0.448 | 0.028 | −0.751 | 0.000 | −0.675 | 0.000 | |
| Janthinobacterium | 0.564 | 0.004 | 0.169 | 0.429 | 0.495 | 0.014 | 0.379 | 0.068 | |
| Methylibium | −0.726 | 0.000 | −0.525 | 0.008 | −0.760 | 0.000 | −0.649 | 0.001 | |
| Pelomonas | −0.781 | 0.000 | −0.691 | 0.000 | −0.553 | 0.005 | −0.509 | 0.011 | |
| Polaromonas | −0.070 | 0.744 | 0.244 | 0.250 | −0.122 | 0.570 | 0.014 | 0.947 | |
| Ralstonia | −0.815 | 0.000 | −0.775 | 0.000 | −0.318 | 0.130 | −0.264 | 0.213 | |
| Variovorax | 0.105 | 0.626 | 0.552 | 0.005 | −0.031 | 0.886 | 0.098 | 0.650 | |
| γ-Proteobacteria | −0.755 | 0.000 | −0.564 | 0.005 | −0.068 | 0.753 | 0.064 | 0.766 | |
| Acinetobacter | −0.867 | 0.000 | −0.707 | 0.000 | −0.395 | 0.056 | −0.305 | 0.147 | |
| Dokdonella | 0.102 | 0.635 | 0.641 | 0.001 | −0.117 | 0.585 | 0.097 | 0.652 | |
| Enhydrobacter | −0.856 | 0.000 | −0.824 | 0.000 | −0.324 | 0.123 | −0.233 | 0.273 | |
| Erwinia | −0.227 | 0.285 | −0.334 | 0.111 | 0.231 | 0.277 | 0.235 | 0.269 | |
| Gluconacetobacter | −0.769 | 0.000 | −0.715 | 0.000 | −0.397 | 0.055 | −0.397 | 0.055 | |
| Klebsiella | −0.126 | 0.558 | −0.257 | 0.225 | 0.023 | 0.914 | 0.012 | 0.955 | |
| Lysobacter | −0.683 | 0.000 | −0.670 | 0.000 | −0.332 | 0.113 | −0.352 | 0.092 | |
| Pantoea | −0.053 | 0.805 | −0.303 | 0.151 | 0.373 | 0.073 | 0.366 | 0.079 | |
| Pseudomonas | −0.369 | 0.076 | −0.363 | 0.082 | 0.356 | 0.087 | 0.447 | 0.029 | |
| Rheinheimera | −0.434 | 0.034 | −0.389 | 0.060 | −0.415 | 0.044 | −0.317 | 0.131 | |
| Rhodanobacter | −0.251 | 0.238 | 0.297 | 0.158 | −0.127 | 0.553 | 0.111 | 0.606 | |
| Serratia | −0.392 | 0.058 | −0.429 | 0.036 | −0.310 | 0.141 | −0.296 | 0.160 | |
| Stenotrophomonas | −0.067 | 0.757 | −0.172 | 0.421 | 0.313 | 0.137 | 0.341 | 0.103 | |
| Steroidobacter | 0.075 | 0.729 | 0.540 | 0.007 | −0.021 | 0.923 | 0.189 | 0.377 | |
| δ-Proteobacteria | 0.253 | 0.233 | 0.086 | 0.689 | 0.102 | 0.636 | 0.108 | 0.617 | |
| Cystobacter | 0.426 | 0.038 | 0.068 | 0.752 | 0.406 | 0.049 | 0.244 | 0.251 | |
| Tenericutes | −0.481 | 0.017 | −0.544 | 0.007 | −0.685 | 0.000 | −0.659 | 0.000 | |
| Candidatus Phytoplasma | −0.478 | 0.018 | −0.541 | 0.007 | −0.685 | 0.000 | −0.653 | 0.001 | |
Significant differences (P < 0.05) are indicated in bold.