Tiny genomes and endoreduplication in Strepsiptera

J. S. Johnston, L. D. Ross, L. Beani, David Peter Hughes, J. Kathirithamby

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Using flow cytometry, the genome sizes of two species of Strepsiptera were studied: that of male Caenocholax fenyesi texensis Kathirithamby & Johnston (Myrmecolacidae) at 108 Mb, which is the smallest insect genome documented to date; and those of male and female Xenos vesparum Rossi (Stylopidae), which are 1C = 130 and 133 Mb, respectively. The genome sizes of the following were analysed for comparative purposes: (a) the Hessian fly, Mayetiola destructor (Say), which was previously reported to be the smallest among insects: the male measured at 1C = 121 Mb and the female at 1C = 158 Mb; and (b) the female parasitic, haplodiploid, microhymenopteran wasp, Trichogramma brassicae Bezdenko, which measured at 1C = 246 Mb. The hosts of the strepsipterans were also measured: male Solenopsis invicta Buren, the red imported fire ant (host of male C. f. texensis), which is 1C = 753.3 Mb, and female Polistes dominulus Christ, the paper wasp (host of X. vesparum), is 1C = 301.4 Mb. Endoreduplicafion (4C) of the genome of the thorax of the male strepsipteran, and higher levels of endoduplication (4, 8, 16C) in the body of the larger female was observed. In contrast, little or no endoreduplication was observed, either in the Hessian fly, or in the parasitic wasp.

Original languageEnglish (US)
Pages (from-to)581-585
Number of pages5
JournalInsect Molecular Biology
Volume13
Issue number6
DOIs
StatePublished - Dec 2004

Fingerprint

Endoreduplication
Strepsiptera
endopolyploidy
Genome
Mayetiola destructor
Wasps
genome
Genome Size
Solenopsis invicta
Diptera
Stylopidae
Insect Genome
Trichogramma brassicae
Polistes dominula
Polistes
insects
Ants
thorax
flow cytometry
Insects

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Insect Science

Cite this

Johnston, J. S. ; Ross, L. D. ; Beani, L. ; Hughes, David Peter ; Kathirithamby, J. / Tiny genomes and endoreduplication in Strepsiptera. In: Insect Molecular Biology. 2004 ; Vol. 13, No. 6. pp. 581-585.
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Johnston, JS, Ross, LD, Beani, L, Hughes, DP & Kathirithamby, J 2004, 'Tiny genomes and endoreduplication in Strepsiptera', Insect Molecular Biology, vol. 13, no. 6, pp. 581-585. https://doi.org/10.1111/j.0962-1075.2004.00514.x

Tiny genomes and endoreduplication in Strepsiptera. / Johnston, J. S.; Ross, L. D.; Beani, L.; Hughes, David Peter; Kathirithamby, J.

In: Insect Molecular Biology, Vol. 13, No. 6, 12.2004, p. 581-585.

Research output: Contribution to journalArticle

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