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Table 1 General features of Azospirillum TCS genes

From: Genome-wide survey of two-component signal transduction systems in the plant growth-promoting bacterium Azospirillum

Strains and feature TCS type Chromosome p1 p2 p3 p4 p5a p6 Totalb
A. lipoferum 4B          
Sensing HK Classic HK 34 8 11 6 4 6 - 69
  Hybrid HK 18 5 5 3 11 5 2 49
  CheA 2 - 1 - 2 - - 5
Output response RR 61 9 18 9 15 9 - 121
Phosphotransfer HisKA - - - - - - - -
  Hpt - - - - - - - -
Total   115 22 35 18 32 20 2 244
ORF   2904 883 640 555 599 415 237 6233
Size (Mpb)   2.99 1.04 0.75 0.65 0.65 0.48 0.29 6.85
Azospirillum sp. B510          
Sensing HK Classic HK 31 13 6 10 4 11 - 75
  HyHK 22 9 1 3 8 4 - 47
  CheA 2 2 - - 2 - - 6
Output response RR 60 23 7 13 15 14 - 132
Phosphotransfer HisKA - - - - - - - -
  Hpt - - - - - - - -
Total   115 47 14 26 29 29   260
ORF   3287 1263 693 589 598 464 232 7126
Size (Mpb)   3.31 1.46 0.72 0.68 0.63 0.54 0.26 7.60
A. brasilense Sp245          
Sensing HK Classic HK 31 22 8 5 7 1 - 74
  HyHK 19 13 6 9 7 1 - 55
  CheA 1 2 1 - - - - 4
Output response RR 47 37 19 9 11 1 - 124
Phosphotransfer HisKA - - - - - - - 0
  Hpt 1 1 - - - - - 2
Total   99 75 34 23 25 3 - 259
ORF   3309 1812 922 824 691 163 125 7846
Size (Mpb)   3.02 1.77 0.91 0.78 0.69 0.19 0.17 7.53
A. brasilense CBG497          
Sensing HK Classic HK 26 17 9 4 4 - - 60
  HyHK 21 14 7 2 6 - - 50
  CheA 1 2 1 - - - - 4
Output response RR 47 32 20 5 7 - - 111
Phosphotransfer HisKA 1 - - - - - - 1
  Hpt - 1 - - - - - 1
Total   96 66 37 11 17 - - 227
ORF   2895 1430 643 512 583 - 122 6185
Size (Mpb)   2.90 1.60 0.73 0.49 0.60 - 0.15 6.47
  1. aAbsent in A. brasilense CBG497
  2. bFor each strain, the total number of TCS genes and genome size are highlighted in bold
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BMC Genomics

ISSN: 1471-2164

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