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Table 1 Characteristics of 35 Helitron exemplars from 29 species

From: Characterization of a novel Helitron family in insect genomes: insights into classification, evolution and horizontal transfer

Group

Average divergencea

Length (bp)b

Copies (% Genome)

Araneae (2/5)

 Parasteatoda tepidariorum

Ptep_Hel2Aa

0.322

2903 (11)

345 (0.069)

 Nephila clavipes

Ncla_Hel1Aa

0.532

293 (79)

4611 (0.055)

Blattaria (1/3)

    

 Blattella germanica

Bger_Hel1Aa

ND

664 (5)

91 (0.003)

Orthoptera (1/2)

 Locusta migratoria

Lmig_Hel1Aa

0.319

2080 (3)

86 (0.003)

Hemiptera (2/23)

 Myzus persicae

Mper_Hel1Fa

1.278

551 (30)

420 (0.067)

 Homalodisca vitripennis

Hvit_Hel1Ga

1.024

930 (165)

1914 (0.081)

Coleoptera (1/12)

 Anoplophora glabripennis

Agla_Hel1Aa

0.740

195 (17)

27 (0.001)

Lepidoptera (12/42)

 Bombyx mori

Bmor_Hel1

  

702

Bmor_Hel1Aa

15.672

249 (4)

8 (0.000)

Bmor_Hel1Ca

3.004

217 (67)

680 (0.037)

 Spodoptera frugiperda

Sfru_Hel1

  

3404

Sfru_Hel1Aa

0.852

196 (60)

495 (0.022)

Sfru_Hel1Ab

0.164

262 (86)

463 (0.028)

Sfru_Hel1Ac

0.016

378 (69)

1113 (0.096)

 Mamestra configurata

Mcon_Hel1Aa

0.663

223 (63)

1814 (0.071)

 Melitaea cinxia

Mcin_Hel1Ca

0.132

356 (62)

271 (0.025)

 Pieris rapae

Prap_Hel1Aa

0.054

447 (449)

1520 (0.276)

 Papilio glaucus

Pgla_Hel1Ga

0.467

165 (35)

461 (0.020)

 Papilio xuthus

Pxut_Hel1

  

2326

Pxut_Hel1Aa

0.069

296 (56)

796 (0.097)

Pxut_Hel1Ab

0.066

204 (153)

722 (0.060)

 Papilio machaon

Pmac_Hel1Ha

0.015

178 (20)

39 (0.002)

 Operophtera brumata

Obru_Hel1Ka

12.134

193 (30)

437 (0.013)

 Chilo suppressalis

Csup_Hel1

  

1760

Csup_Hel1Aa

0.010

162 (95)

103 (0.005)

Csup_Hel1Ab

0.018

257 (16)

95 (0.008)

Csup_Hel1Ea

0.034

195 (86)

752 (0.047)

 Calephelis nemesis

Cnem_Hel1Ea

0.919

271 (62)

5578 (0.481)

 Calephelis virginiensis

Cvir_Hel1Ea

2.171

269 (158)

2703 (0.231)

Diptera (4/110)

 Bactrocera tryoni

Btry_Hel1Ba

0.207

1291 (4)

1325 (0.330)

 Bactrocera oleae

Bole_Hel1Aa

0.302

1206 (4)

186 (0.056)

 Phortica variegata

Pvar_Hel1Da

0.205

343 (5)

38 (0.008)

 Calliphora vicina

Cvic_Hel1Ca

0.436

264 (52)

214 (0.012)

Hymenoptera (4/52)

 Pseudomyrmex gracilis

Pgra_Hel1Aa

ND

748 (5)

83 (0.022)

 Athalia rosae

Aros_Hel1Aa

ND

8065 (1)

4 (0.020)

 Cotesia vestalis

Cves_Hel1Aa

0.372

278 (76)

137 (0.020)

 Polistes dominula

Pdom_Hel1Ia

0.968

395 (3)

165 (0.031)

Phasmatodea (2/2)

 Dryococelus australis

Daus_Hel1Aa

0.077

667 (27)

1326 (0.026)

 Timema cristinae

Tcri_Hel1Aa

0.099

3435 (5)

105 (0.035)

  1. ND, not determined
  2. aAverage divergence is calculated between copies within a species
  3. bThe number in bracket is the number of copies used to reconstruct the consensus sequences