TABLE 1.

Genetic diversity estimates for cyrB adenylation domain and neutrality testsa

SampleNo. of sequencesNo. of haplotypesNo. of segregating sitesπθwD valueD* value
A. ovalisporum-like3131410.00580.0186−2.53***−3.97**
Cylindrospermopsis-like5560.00440.0052
Cylindrospermopsis2210.00180.0018
Aphanizomenon sp.2210.00180.0018
All40401440.02490.0613
  • a Number of sequences analyzed, number of haplotypes and number of segregating (polymorphic) sites are shown. π, average nucleotide diversity per site between two sequences; θw, an estimator of genetic diversity per site based on segregating sites; D and D*, Tajima's and Fu and Li's neutrality tests, respectively; ***, P < 0.001; **, P < 0.02.