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IRMA ANDRIYANI
Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Bogor Agricultural University
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Molecular marker is useful in the development of testicular cells transplantation for detecting donor-derived germ cells in the recipient gonad. In this study, a giant gourami (Osphronemus goramy) vasa-like gene (GgVLG) was cloned and characterized for use as a molecular marker for germ cells in this species. Nucleotide sequence analysis revealed that GgVLG comprises 2,340 bps with an open reading frame of 1,962 bps encoding 653 amino acids. The deduced amino acid sequence contained 17 arginine- . ALIMUDDIN; IRMA ANDRIYANI; MUHAMMAD ZAIRIN JUNIOR; HARTON ARFAH; ANNA OCTAVERA; ODANG CARMAN; GORO YOSHIZAKI
HAYATI Journal of Biosciences Vol. 18 No. 3 (2011): September 2011
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.18.3.135

Abstract

Molecular marker is useful in the development of testicular cells transplantation for detecting donor-derived germ cells in the recipient gonad. In this study, a giant gourami (Osphronemus goramy) vasa-like gene (GgVLG) was cloned and characterized for use as a molecular marker for germ cells in this species. Nucleotide sequence analysis revealed that GgVLG comprises 2,340 bps with an open reading frame of 1,962 bps encoding 653 amino acids. The deduced amino acid sequence contained 17 arginine-glycine or arginine-glycine-glycine motifs and eight conserved motifs belonging to the DEAD-box protein family. The GgVLG sequence showed high similarity to Drosophila vasa, common carp vasa homolog and tilapia vasa homolog for 66.2, 85.9, and 90.7%, respectively. In adult tissues, the GgVLG transcripts were specifically detected in ovary and testis. In situ hybridization analysis showed that GgVLG mRNA was detected in oocytes of the ovary and spermatogonia of the testis. There was no signal detected in the spermatocytes, spermatids and other gonadal somatic cells. Thus, consensus sequences, specific localization of GgVLG mRNA in the germ cells, amino acid sequence similarity and phylogenic analysis all suggest that GgVLG is the giant gourami vasa-like gene. Further, GgVLG can be used as a molecular marker for giant gourami germ cells.
Co-Authors . Alimuddin ANNA OCTAVERA GORO YOSHIZAKI Harton Arfah M. Zairin Junior Odang Carman