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Table 5 Spa -types and groups in which deletions/insertions in the spa -gene were observed

From: Prevalence of Staphylococcus aureus protein A (spa) mutants in the community and hospitals in Oxfordshire

Spa-types Spa-repeats Individuals with deletions, no. (column %) Hidden deletions not affecting spa-typing (no.) Deletions/insertions affecting spa-typing (no.) Individuals with deletions affecting spa-typing/total individuals with this spa-type
  Group 1   7 (21%)    7/20 (35%)*
t571 08-16-02-25-02-25-----------34-25 6 (18%)   delG-insB(5); delE(1) 6/19 (32%)
t3085 08-16-02-25-02-25-34-25-34-25 1 (3%)   delE (1) 1/1 (100%)
  Group 2   9 (27%)    7/188 (4%)*
t021 15-12------16-02-16---------------02-25-17-24-------------- 4 (12%) delD(1) insC2(3) 3/57 (5%)
t298 15-12------16-02-----------------------------17-24-------------- 1 (3%)   delG-insB (1) 1/5 (20%)
t10173 15-12-02-16-02------25-17-25-02-25-17-24-24--------- 1 (3%)   insC2 (1) 1/1 (100%)
t012 15-12------16-02-16---------------02-25-17-24-24--------- 2 (6%)   delE (1); insC2 (1) 2/123 (2%)
t6803 15-12------16-02-16---------------02-25-17-24-24-17-24 1 (3%) delD-insA (1)   0/2 (0%)
  Group 3   3 (9%)    -
t084 07-23-12-34-34-12-12-23-02-12-23 1 (3%) delH (1)   -
t085 07-23-12-34-34-12-----23-02-12-23 2 (6%) delD (1); delA (1)   -
  Group 4   4 (12%)    3/74 (4%)*
t280 04--------------------20-17-12-12-17------------- 1 (3%)   delG-insB (1) 1/4 (25%)
t227 04-----------------------------12-12-17------------- 1 (3%) delD (1)   0/3 (0%)
t078 04-21a-12b-41c-20-17-12-12-17------------- 1 (3%)   delE (1) 1/26 (4%)
t216 04----------20-17-20-17------------31d-16e-34f 1 (3%)   delG-insB (1) 1/41 (2%)
  Group 5   3 (9%)    1/92 (1%)*
t032 26-23-23-13-23-31-29-17-31-29-17-25-17-25-16-28 2 (6%) delD (1) delE (1) 1/79 (1%)
t223 26-23-----13-23-------------------05g-17-25-17-25-16-28 1 (3%) delD (1)   0/13 (0%)
Singletons   7 (21%)    -
t213 07-23-12-21-24-33-22-17 3 (9%) delD (3)   -
t6792 08-16-02-16-17-13-17-13-17-16-34 1 (3%) delD (1)   -
t6417 14-44-13-12-17-13-12-17-17-17-23-18 1 (3%) dell (1)   -
t530 11-19-12-21-17-34-24-34-16 1 (3%)   delE (1) 1/3 (33%)*
t7960 299-25-17-17-16-16-16-16 1 (3%) delI-insC1 (1)   -
Total   33 (100%)    
  1. * P < 0.0001 comparing four groups of spa-types and the singleton with rearrangements affecting spa-typing (5 × 2 Fisher’s exact test).
  2. 21a repeat differing in one base from repeats 12 and 20.
  3. 12b repeat differing in two bases from repeats 20.
  4. 41c repeat differing in one base from repeat 17.
  5. 31d repeat differing in two bases from repeat 16.
  6. 16e repeat differing in one base from repeat 17.
  7. 34f repeat differing in two bases from repeats 12 and 20.
  8. 05g repeat differing in one base from repeat 29.