Dispersed Repetitive DNA Has Spread to New Genomes Since Polyploid Formation in Cotton

Table 2.

Correspondence of Cotton Nuclear Repetitive Elements to Other Organisms’ Genes or DNA Sequences

Clone Copy number Blast score Longest ORF Corresponding DNA sequences from other organisms (database/acc.no.)
Tandem repeats
A-genome specific
 pXP060(T7) M 168 156 Plasmodium falciparum DNA polymerase α (GB:L18785)
Common to AD genome
 pXP158(F) M 170 123 Internal theronine–glutamic acid–threonine–proline repeat from a Dictyosteliumspore-germination-specific protein family (GB:M33861)
Partially interspersed repeats
A-genome specific
 pXP050(T3) M 195 ⩾177 Plasmodium crk-1 mRNA for cdc-2 related protein kinase (EMB:X80759)
 pXP067(T7) H 419 357 Lilium henryi del transposon (EMB:X13886)
 pXP180(T3) M 172 ⩾195 P. falciparumgenome clone (GB:T09917)
 pXP187(F) L 183 ⩾210 Homo sapiens cDNA (GB:T65782)
 pXP3-58(F) M 176 ⩾297 S. cerevisiae mitochondrial 21S R2 rRNA, 3‘ end (GB:L36894)
Common to AD genome
 pXP108(T3) H 629 78 18S rRNA (GB:L24772)
 pXP163(F) M 310 ⩾93 Arabidopsis thaliana cyclin 2b mRNA (EMB:Z31401)
 pXP226(T3) L 160 180 Rickettsia prowazekiigyrase A subunit gene (GB:U02931)
 pXP3-39(T3) M 167 231 Vibrio parahaemolyticus BB22 hook-associated protein (GB:U12817)
Interspersed repeats
A-genome specific
 pXP006(T7) H 152 207 Tetrahymena thermophila RR internal deletion sequence (GB:U23442)
 pXP019(T7) M 160 225 Herpetomonas mariadeanei kinetoplast 12S rRNA gene (GB:U01009)
 pXP030(T3) M 203 231 B. napus DNA fragment with retrotransposon integrase motif (EMB:X99804)
 pXP059(T7) M 395 192 B. napus homeodomain hd1 mRNA for homeodomain-containing protein (EMB:Z29073)
 pXP1-13(T7) M 160 252 D. melanogastertransposable element HeT-A-RT394 gene sequence
 pXP1-16(T7) M 155 213 Tetrahymena thermophila surface antigen (temperature-regulated) mRNA (GB:M60425)
 pXP1-58(F) M 377 210 L. henryidel transposon (EMB:X13886)
 pXP111(T3) L 153 336 Hansenula wingeimitochondrial DNA (DBJ:D31785)
Common to AD genome
 pXP1-46(T7) L 170 198 H. sapiens apolipoprotein B gene hypervariable region (GB:J05157)
 pXP1-8(T7) L 163 D. melanogaster DNA sequence (GB:L35707)
 pXP2-22(T7) L 204 282 H. sapiens STS WI-2 (GB:G03682)
 pXP2-26(T3) M 223 201 Nicotiana tabacum Str 246N (EMB:X80830)
 pXP2-54(F) L 181 84 Dictyostelium discoideum α-mannosidase gene (GB:M82822)
  • T3, T7, or F (M13F) indicates sequencing primer used.

This Article

  1. Genome Res. 8: 479-492

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