Table 3.

Distribution of PC-IGS alleles of Nodularia in the Gulf of Finland in August 2000

Sampling stationLocation (°N, °E)Sampling date in 2000No. of sampled filamentsPC-IGS PCR producta (%)PC-IGS alleleb (%)
“Nodularin producing”Unresolved
LL7 59.51, 24.50Aug 7 7556 (75) 53 (95) 3 (5)
XV160.15, 27.15 Aug 8 60 43 (72) 41 (95) 2 (5)
LL3a 60.04, 26.21 Aug 8 30 22 (73) 22 (100)
Kasuuni 59.57, 24.56 Aug 9 75 56 (75)56 (100)
Jussarö 59.48, 23.33 Aug 9 456 (13) 6 (100)
LL13 59.22, 23.27 Aug 1060 8 (13) 8 (100)
Total All345 191 (55) 186 (97) 5 (3)
  • a The number and fraction ofNodularia filaments at each station providing sufficient PCR yield for the restriction analysis.

  • b The number and fraction of PC-IGS PCR products from Nodularia filaments assigned to the PC-IGS allele, which was found in nodularin-producing Nodulariaisolates.