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Table 5 Number and percent abundance of piRNA and siRNA sequences in Ae. aegypti and D. melanogaster libraries, as well piRNA and siRNA sequences matching known TE sequences

From: The mosquito Aedes aegypti has a large genome size and high transposable element load but contains a low proportion of transposon-specific piRNAs

 

Ae. aegypti

D. melanogaster

piRNA

number of piRNA sequences

percent of piRNAs

number of piRNA sequences

percent of piRNAs

Total

11,173,973

(5,860,037)

100.00%

(100.00%)

271,626

(205,307)

100.00%

(100.00%)

TE

2,177,176

(1,240,908)

19.48%

(21.18%)

135,387

(110,068)

49.84%

(53.61%)

   Retrotransposons

1,987,059

(1,114,018)

17.78%

(19.01%)

129,418

(105,485)

47.65%

(51.38%)

   DNA transposons

113,030

(73,584)

1.01%

(1.26%)

5,969

(4,583)

2.20%

(2.23%)

   MITE

29,558

(25,324)

0.26%

(0.43%)

N/A2

N/A

N/A

N/A

   other1

47,529

(27,982)

0.43%

(0.48%)

N/A

N/A

N/A

N/A

Endo-siRNA

number of siRNA sequences

percent of siRNAs

number of siRNA sequences

percent of siRNAs

Total

765,132

(446,834)

100.00%

(100.00%)

86,620

(54,049)

100.00%

(100.00%)

TE

216,859

(154,465)

28.34%

(34.57%)

15,870

(13,280)

18.32%

(24.57%)

   Retrotransposons

133,042

(100,067)

17.39%

(22.39%)

15,276

(12,720)

17.64%

(23.53%)

   DNA transposons

28,578

(18,692)

3.74%

(4.18%)

594

(560)

0.69%

(1.04%)

   MITE

32,623

(23,667)

4.26%

(5.30%)

N/A

N/A

N/A

N/A

   other1

22,616

(12,039)

2.96%

(2.69%)

N/A

N/A

N/A

N/A

  1. Numbers in parentheses exclude duplicate sequences.
  2. 1 TE elements such as Penelope that cannot be put into any of the other categories.
  3. 2 Indicates that no elements from these categories have been reported in D. melanogaster.