Androgenesis, gynogenesis and the production of clones in fishes: A review

J. Komen, G.H. Thorgard

Research output: Contribution to journalReview articleAcademicpeer-review

152 Citations (Scopus)

Abstract

Fish species that have external fertilization can be reproduced by induced parthenogenesis. The nuclear content of either the sperm or egg is destroyed by UV or gamma irradiation, and the treated gamete then is fused with an untreated egg or sperm to form a haploid embryo. This is subsequently made diploid by inhibition of either the second meiotic division or the first cell division. After first cell division blockage, the resulting individual is a so-called doubled haploid (DH). DH individuals carry only the duplicated set of chromosomes inherited from the untreated egg or sperm and are, by definition, fully homozygous. In the first part of this review, we discuss the latest insights into the mechanisms underlying the process of making meiotic diploids and DH individuals, and review the problems associated with making and characteristics of doubled haploids and clones in fishes. In the second part of this review, we explore the use of doubled haploids and clones in quantitative trait locus mapping and selective breeding.
Original languageEnglish
Pages (from-to)150-173
JournalAquaculture
Volume269
Issue number1-4
DOIs
Publication statusPublished - 2007

Fingerprint

gynogenesis
androgenesis
doubled haploids
sperm
clone
clones
egg
fish
spermatozoa
selective breeding
parthenogenesis
gamete
cell division
diploidy
embryo
chromosome
irradiation
selection methods
fertilization (reproduction)
haploidy

Keywords

  • carp cyprinus-carpio
  • tilapia oreochromis-niloticus
  • trout oncorhynchus-mykiss
  • carassius-auratus-langsdorfii
  • induced diploid gynogenesis
  • interval mapping reveals
  • zebrafish danio-rerio
  • sex-determining gene
  • male common carp
  • rainbow-trout

Cite this

Komen, J. ; Thorgard, G.H. / Androgenesis, gynogenesis and the production of clones in fishes: A review. In: Aquaculture. 2007 ; Vol. 269, No. 1-4. pp. 150-173.
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Androgenesis, gynogenesis and the production of clones in fishes: A review. / Komen, J.; Thorgard, G.H.

In: Aquaculture, Vol. 269, No. 1-4, 2007, p. 150-173.

Research output: Contribution to journalReview articleAcademicpeer-review

TY - JOUR

T1 - Androgenesis, gynogenesis and the production of clones in fishes: A review

AU - Komen, J.

AU - Thorgard, G.H.

PY - 2007

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AB - Fish species that have external fertilization can be reproduced by induced parthenogenesis. The nuclear content of either the sperm or egg is destroyed by UV or gamma irradiation, and the treated gamete then is fused with an untreated egg or sperm to form a haploid embryo. This is subsequently made diploid by inhibition of either the second meiotic division or the first cell division. After first cell division blockage, the resulting individual is a so-called doubled haploid (DH). DH individuals carry only the duplicated set of chromosomes inherited from the untreated egg or sperm and are, by definition, fully homozygous. In the first part of this review, we discuss the latest insights into the mechanisms underlying the process of making meiotic diploids and DH individuals, and review the problems associated with making and characteristics of doubled haploids and clones in fishes. In the second part of this review, we explore the use of doubled haploids and clones in quantitative trait locus mapping and selective breeding.

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KW - tilapia oreochromis-niloticus

KW - trout oncorhynchus-mykiss

KW - carassius-auratus-langsdorfii

KW - induced diploid gynogenesis

KW - interval mapping reveals

KW - zebrafish danio-rerio

KW - sex-determining gene

KW - male common carp

KW - rainbow-trout

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