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Table 5 Distribution of rare 6-mers in cyanobacterial genomes

From: Highly plastic genome of Microcystis aeruginosa PCC 7806, a ubiquitous toxic freshwater cyanobacterium

Ratio (a) Obs/Shuf

Number of 6-mers

 

Mic-PCC7806

Mic-NIES843

Cwa-WH8501

Syn-PCC6803

< 0.02

6 (4)

12 (8)

6 (3)

0 (0)

< 0.04

13 (8)

11 (5)

9 (3)

7 (3)

< 0.06

10 (4)

8 (3)

6 (3)

5 (2)

< 0.08

2 (1)

2 (1)

3 (2)

6 (1)

< 0.1

2 (1)

3 (0)

13 (6)

14 (1)

  1. (a) Ratio between the frequency observed (Obs) for a given 6-mers and the frequency for the same 6-mers after shuffling (Shuf) of the genome sequence.
  2. Figures in bold represent the number of 6-mers present 50× more in the shuffled sequence than in the original sequence. Figures in parentheses indicate the number of palindromic sites.
  3. See the Methods section for the strain identifiers.