Table 1.
Sources and allelic profiles of Xanthomonas campestris pv. campestris strains used in this study
| No. | Strain/Race | Year of isolation | Host | Source | Genotype | Allelic profilea | |||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| atpD | fyuA | gyrB | rpoD | ||||||
| 1 | XCWL | 2016 | Cabbage | Wulong, Chongqing | AP1 | 1 | 1 | 1 | 1 |
| 2 | XCTY | 2016 | Cabbage | Taiyuan, Shanxi | AP8 | 6 | 1 | 1 | 4 |
| 3 | XCNJ | 2016 | Cabbage | Nanjing, Jiangsu | AP3 | 2 | 2 | 3 | 3 |
| 4 | XCJN | 2016 | Cabbage | Junan, Shandong | AP5 | 4 | 1 | 1 | 1 |
| 5 | XCCW | 2016 | Cabbage | Chengwu, Shandong | AP1 | 1 | 1 | 1 | 1 |
| 6 | XCYL | 2016 | Cabbage | Yangling, Shaanxi | AP1 | 1 | 1 | 1 | 1 |
| 7 | XCHN1 | 2016 | Cabbage | Jiyuan, Henan | AP1 | 1 | 1 | 1 | 1 |
| 8 | XCJM | 2016 | Cabbage | Jingmen, Hubei | AP4 | 3 | 1 | 1 | 1 |
| 9 | XCJY | 2016 | Cabbage | Jiayu, Hubei | AP1 | 1 | 1 | 1 | 1 |
| 10 | XCNS | 2016 | Cabbage | Nansha, Guangdong | AP2 | 2 | 1 | 2 | 2 |
| 11 | XCHZ1 | 2017 | Cabbage | Hangzhou, Zhejiang | AP1 | 1 | 1 | 1 | 1 |
| 12 | XCSD | 2017 | Cabbage | Junan, Shandong | AP1 | 1 | 1 | 1 | 1 |
| 13 | XCHN2 | 2017 | Cabbage | Jiyuan, Henan | AP1 | 1 | 1 | 1 | 1 |
| 14 | XCTG | 2017 | Cabbage | Taigu, Shanxi | AP6 | 2 | 3 | 2 | 2 |
| 15 | XCDX1 | 2017 | Cabbage | Dingxi, Gansu | AP1 | 1 | 1 | 1 | 1 |
| 16 | XCDX2 | 2017 | Cabbage | Dingxi, Gansu | AP1 | 1 | 1 | 1 | 1 |
| 17 | XCDX3 | 2017 | Cabbage | Dingxi, Gansu | AP1 | 1 | 1 | 1 | 1 |
| 18 | XCGY1 | 2017 | Cabbage | Guyuan, Hebei | AP1 | 1 | 1 | 1 | 1 |
| 19 | XCGY2 | 2017 | Cabbage | Guyuan, Hebei | AP1 | 1 | 1 | 1 | 1 |
| 20 | XCGY3 | 2017 | Cabbage | Guyuan, Hebei | AP6 | 2 | 3 | 2 | 2 |
| 21 | XCGY4 | 2017 | Cabbage | Guyuan, Hebei | AP6 | 2 | 3 | 2 | 2 |
| 22 | XCZB1 | 2017 | Cabbage | Zhangbei, Hebei | AP1 | 1 | 1 | 1 | 1 |
| 23 | XCZB2 | 2017 | Cabbage | Zhangbei, Hebei | AP1 | 1 | 1 | 1 | 1 |
| 24 | XCZB3 | 2017 | Cabbage | Zhangbei, Hebei | AP1 | 1 | 1 | 1 | 1 |
| 25 | XCNM1 | 2017 | Cabbage | Wulanchabu, Neimenggu | AP1 | 1 | 1 | 1 | 1 |
| 26 | XCNM2 | 2017 | Cabbage | Wulanchabu, Neimenggu | AP1 | 1 | 1 | 1 | 1 |
| 27 | XCYQ1 | 2018 | Cabbage | Yanqing, Beijing | AP1 | 1 | 1 | 1 | 1 |
| 28 | XCYQ2 | 2018 | Cabbage | Yanqing, Beijing | AP1 | 1 | 1 | 1 | 1 |
| 29 | XCYQ3 | 2018 | Cabbage | Yanqing, Beijing | AP1 | 1 | 1 | 1 | 1 |
| 30 | XCXZ1 | 2018 | Cabbage | Dingxi, Gansu | AP1 | 1 | 1 | 1 | 1 |
| 31 | XCXZ2 | 2018 | Cabbage | Dingxi, Gansu | AP1 | 1 | 1 | 1 | 1 |
| 32 | XCWH1 | 2018 | Cabbage | Wuhan, Hubei | AP1 | 1 | 1 | 1 | 1 |
| 33 | XCWH2 | 2018 | Cabbage | Wuhan, Hubei | AP1 | 1 | 1 | 1 | 1 |
| 34 | XCGZ1 | 2019 | Cabbage | Ganzhou, Jiangxi | AP1 | 1 | 1 | 1 | 1 |
| 35 | XCGZ2 | 2019 | Cabbage | Ganzhou, Jiangxi | AP1 | 1 | 1 | 1 | 1 |
| 36 | XCGZ3 | 2019 | Cabbage | Ganzhou, Jiangxi | AP1 | 1 | 1 | 1 | 1 |
| 37 | XCAW1 | 2019 | Cabbage | Jingyang, Shaanxi | AP1 | 1 | 1 | 1 | 1 |
| 38 | XCAW2 | 2019 | Cabbage | Jingyang, Shaanxi | AP1 | 1 | 1 | 1 | 1 |
| 39 | XCAW3 | 2019 | Cabbage | Jingyang, Shaanxi | AP1 | 1 | 1 | 1 | 1 |
| 40 | XCC1 | - | - | - | AP7 | 5 | 2 | 3 | 3 |
| 41 | XCC2 | - | - | - | AP8 | 6 | 1 | 1 | 4 |
| 42 | XCC4 | - | - | - | AP8 | 6 | 1 | 1 | 4 |
| 43 | XCBS | - | - | - | AP1 | 1 | 1 | 1 | 1 |
| 44 | race 1(WHRI 3811) | 1989 | B. oleracea | USA | AP8 | 6 | 1 | 1 | 4 |
| 45 | race 2 (WHRI 3849A) | - | Cauliflower | UK | AP9 | 2 | 4 | 3 | 3 |
| 46 | race 3 (WHRI 5212) | 1957 | Cauliflower | UK | AP7 | 5 | 2 | 3 | 3 |
| 47 | race 4 (WHRI 1279A) | 1984 | Cabbage | UK | AP10 | 7 | 5 | 2 | 3 |
| 48 | race 5 (WHRI 3880) | 1975 | Cabbage | Australia | AP11 | 5 | 3 | 4 | 4 |
| 49 | race 6 (WHRI 6181) | 1996 | B. rapa | Portugal | AP12 | 3 | 6 | 5 | 5 |
| 50 | race 9 (CFBP 6650) | 1958 | B. oleracea | UK | AP7 | 5 | 2 | 3 | 3 |
a
Different sequences from each of the four loci at one or more polymorphisms were assigned an allele number, and the combination of allele numbers of four loci for each strain defined the allelic profiles (Aps).