TABLE 2

Nucleotide diversity among a subset of sorghum accessions with complete data on a gene-per-gene basis, for the six genes under survey

Summary statisticsa
PolymorphismNucleotide diversity
SpeciesGeneNPortionLength (bp)No. IDPNo. polymorphic sitesbSNP frequencyπ (10−3)θ (10−3)Tajima's D testc
SorghumSh2153NC8492190.984.16−2.385**
C48202s:1c0.781.64−1.063
Total13312221/600.913.31−2.314**
Maize (Whitt et al. 2002)Sh2306754NANANA5.0dNANA
Maize (Manicacci et al. 2006)Sh250466918691/683.6d3.9−0.596
SorghumBt2184NC472260.741.41−0.974
C536000.000.00
Total1008261/1680.340.66−0.974
Maize (Whitt et al. 2002)Bt2306098NANANA2.3dNANA
SorghumSssI166NC996371.101.58−0.790
C52902s0.470.85−0.792
Total1525391/1690.931.34−0.834
SorghumAe1154NC9558144.422.412.391*
C42205s:3c:3nc3.831.912.071*
Total13778251/554.262.272.625*
Maize (Whitt et al. 2002)Ae1306781NANANA2.9dNANS
SorghumWx129NC11625216.573.632.532*
C110505s:1c:1nc1.871.341.006
Total22675281/814.212.482.268*
Maize (Whitt et al. 2002)Wx302978NANANA11.5dNANA
Barley (Kilian et al. 2006)Wx45816NA101/823.32e7.874−0.95 NS
Rice (Olsen et al. 2006)Wx735300NA1011/525.6dna0.499
SorghumO2146NC27079381.923.11−1.271
C106401s:7c:4nc:1ns1.002.41−1.683
Total37719511/741.652.91−1.461
Maize (Henry and Damerval 1997)O2211800262581/11NA52.2dNA
Maize (Henry et al. 2005)O2331976721061/1823.3d27.1d−0.657
  • N, number of accessions; C, coding portion; NC, noncoding portion; NA, not available. *P < 0.05; **P < 0.01.

  • a On a subset of 53 representative accessions with complete data for all gene segments.

  • b s, synonymous; c, nonsynonymous conservative; nc, nonsynonymous nonconservative; ns, nonsense (CAG/TAG).

  • c NS, nonsignificant.

  • d Based on silent sites.

  • e All sites considered.