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Table 2 Properties of the hitherto sequenced Campylobacter group II phages

From: Campylobacter group II phage CP21 is the prototype of a new subgroup revealing a distinct modular genome organization and host specificity

  CP21 CP220 CPt10 IBB_35a
Family Myoviridae Myoviridae Myoviridae Myoviridae
 Head diameter (nm) 93 96 n.a. 100
 Tail dimensions (nm) 135 × 24 110 × 16 n.a. 140 × 17
Host species C. jejuni, C. coli C. jejuni, C. coli C. jejuni, C. coli C. jejuni, C. coli
Genome size according to PFGE (kb) 209 197 176 204
Genomic sequence (bp) 182,761 177,493 175,720 172,065
G + C content (%) 27.2 27.4 27.3 27.4
Total no. of ORFs 220 194 201 210
 Forward strand 91 173 180 n.a.b
 Reverse strand 129 21 21 n.a.b
Coding density (%) 88.2 88.4 89.7 90.0
Gps with predicted function 78 (35 %) 74 (38 %) 70 (35 %) 84 (40 %)
Transcription terminators 13 11 9 14
tRNAs 2 (Thr, Pro) 2 (Arg, Tyr) 2 (Arg, Tyr) 2 (Arg, Tyr)
Homing endonucleases 3 1 1 3
Transposases 5 4 2 2
T4-related proteins 32 39 34 35
SAM-related proteins 8 11 12 6
Genome structure Linear Linear Linear n.a.
Sequence state Complete Complete Complete Incompletea
Accession number NC019507.1 FN667788 FN667789 C1:HM246720
C2:HM246721
C3:HM246722
C4:HM246723
C5:HM246724
Reference [23] [11] [11] [22]
  1. SAM S-Adenosyl-L-Methionine, ORF Open Reading Frame, PFGE Pulsed-Field Gel Electrophoresis, n.a. not available, gps gene products
  2. aThe genome characteristics of IBB_35 base on five annotated contigs
  3. bAccording to the suggested arrangement of the five contigs, the majority of ORFs (68 %) are located on the forward strand [22]