Abundance, Distribution, and Transcriptional Activity of Repetitive Elements in the Maize Genome

Table 5.

Estimated Copies per Genome of Several Maize Retrotransposons

Element or species Copy # Estimate 0.1X SSC Copy # Estimate 1.0X SSC
ANLI
Zea mays 9400–20,100 17,300–47,500
Zea diploperennis 4800–10,300 6500–18,000
Zea luxurians 10,300–21,900 17,300–47,500
Zea perennis 10,850–23,450 12,250–33,950
Tripsacum 200–500 1400–3900
Sorghum bicolor 400–800 200–500
Zeon-1
Zea mays 6200–12,000 12,900–32,400
Zea diploperennis 1500–2800 3800–9500
Zea luxurians 9000–17,500 20,200–50,800
Zea perennis 3900–7700 10,900–27,300
Tripsacum 500–1100 600–1600
Sorghum bicolor 100–300 300–900
Prem-2
Zea mays 19,100–59,300 34,800–124,000
Zea diploperennis 4800–14,500 10,300–36,800
Zea luxurians 19,700–61,200 34,000–121,100
Zea perennis 13,300–41,700 21,700–77,400
Tripsacum 600–1800 1200–4100
Sorghum bicolor 0 800–2900
Gypsy 6d16
Zea mays 2100–5000 2800–9000
Zea diploperennis 300–800 800–2500
Zea luxurians 3900–9000 5400–17,300
Zea perennis 2100–5300 3200–9800
Tripsacum 0 100–300
Sorghum bicolor 0 0–200
Huck-2
Zea mays 165,700–236,000 286,100–515,300
Zea diploperennis 73,500–104,800 113,500–204,800
Zea luxurians 246,900–351,800 404,000–727,700
Zea perennis 70,700–101,200 174,700–314,300
Tripsacum 35,600–50,800 79,100–142,400
Sorghum bicolor 0 100–300
Opie-2
Zea mays 64,500–130,600 90,400–337,200
Zea diploperennis 27,000–100,500 53,300–108,000
Zea luxurians 58,500–118,300 86,600–323,000
Zea perennis 32,900–66,500 57,100–212,500
Tripsacum 1000–2000 9800–36,600
Sorghum bicolor 0 100–400
  • Spotted DNAs were the same regions noted in Table 2.

  • The copy number per genome is given as a range based on the minimum and maximum estimates from the dilution series. Signals were determined by phosphorimager.

This Article

  1. Genome Res. 11: 1660-1676

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