Isolation and characterization of genes functionally involved in ovarian development of the giant tiger shrimp Penaeus monodon by suppression subtractive hybridization (SSH)

Jun 4, 2011Genetics and molecular biology

Identifying Genes Involved in Ovarian Development of the Giant Tiger Shrimp

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Circadian BiologyCircadian Biology on OpenScience ā†—PubMed ā†—DOI ā†—

Abstract

A total of 452 expressed sequence tags (ESTs) were sequenced from the giant tiger shrimp ovaries.

  • Sequence assembly resulted in 28 contigs and 201 singletons, with 48.0% matching known sequences in GenBank.
  • Several transcripts related to reproduction were identified, including two full-length cDNAs for PmAPC11 and PmSePM.
  • Expression levels of PmSePM and keratinocyte-associated protein 2 decreased during ovarian development.
  • Chk1, mcm2, and egalitarian were down-regulated in the mature ovaries of wild P. monodon.
  • The expression profiles of PmSePM and keratinocyte-associated protein 2 may serve as biomarkers for reproductive maturation in domesticated P. monodon.

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