Table 3 Statistical distribution of occurrences, total link strength of all the keywords co-occurrence analysis
Keyword | Occurrences | Total link strength |
|---|---|---|
Plasmids | 10 | 24 |
Humans | 12 | 22 |
Animals | 9 | 21 |
DNA, bacterial | 6 | 14 |
DNA | 5 | 12 |
Extra-chromosomal inheritance | 4 | 12 |
Base sequence | 3 | 11 |
Time factors | 3 | 11 |
Conjugation, genetic | 3 | 10 |
Escherichia coli | 5 | 10 |
Female | 3 | 9 |
Molecular sequence data | 3 | 9 |
Polymerase chain reaction | 3 | 8 |
Dna, viral | 3 | 7 |
Blotting, southern | 3 | 6 |
Chromosomes, bacterial | 3 | 6 |
DNA replication | 3 | 6 |
DNA, circular | 3 | 6 |
RNA, messenger | 3 | 4 |
Centromere | 3 | 2 |