5S rRNA-encoding genes of the marsupial frog Gastrotheca riobambae

The major 5S rRNA gene repeat of the marsupial frog, Gastrotheca riobambae, is 1052 bp in length. It contains a 5S rRNA gene similar to the Xenopus laevis somatic gene, two spacer regions, and a pseudogene. The G. riobambae haploid genome contains about 500 copies of this predominant repeat. This re...

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Veröffentlicht in:	Gene 1992-02, Vol.111 (2), p.235-238
Hauptverfasser:	del Pino, Eugenia M., Murphy, Christine, Masson, Patrick H., Gall, Joseph G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Anura - genetics Base Sequence Biological and medical sciences frog development Fundamental and applied biological sciences. Psychology Gastrotheca riobambae gene copy number Genes. Genome Molecular and cellular biology Molecular genetics Molecular Sequence Data Multigene Family - genetics Nucleic Acid Conformation nucleotide sequence Polymerase Chain Reaction Pseudogenes - genetics Recombinant DNA RNA, Ribosomal, 5S - genetics Sequence Homology, Nucleic Acid transcription factor IIIA Xenopus laevis Xenopus laevis - genetics
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Zusammenfassung:	The major 5S rRNA gene repeat of the marsupial frog, Gastrotheca riobambae, is 1052 bp in length. It contains a 5S rRNA gene similar to the Xenopus laevis somatic gene, two spacer regions, and a pseudogene. The G. riobambae haploid genome contains about 500 copies of this predominant repeat. This relatively low number of 5S rRNA genes is associated with a limited amplification of the 18S, 5.8S and 28S rRNA genes in oocytes and with a slow rate of early development.
ISSN:	0378-1119 1879-0038
DOI:	10.1016/0378-1119(92)90692-I