1977
DOI: 10.1016/0092-8674(77)90189-1
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A pseudogene structure in 5S DNA of Xenopus laevis

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Cited by 277 publications
(121 citation statements)
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“…The latter possibility is supported by the finding that many of the cDNA clones tested (Table 1) hybridized to 3 or more Hind III fragments in the genomic DNA of a single individual. The multiple sites of hybridization may reflect the presence of pseudogenes (30,31) for which only one locus is expressed, and/or they may represent multiple loci of gene families (32). What does emerge from the data obtained with X chromosome-homologous loci is that the genomic representation of a specific cDNA clone can be complex.…”
Section: Discussionmentioning
confidence: 96%
“…The latter possibility is supported by the finding that many of the cDNA clones tested (Table 1) hybridized to 3 or more Hind III fragments in the genomic DNA of a single individual. The multiple sites of hybridization may reflect the presence of pseudogenes (30,31) for which only one locus is expressed, and/or they may represent multiple loci of gene families (32). What does emerge from the data obtained with X chromosome-homologous loci is that the genomic representation of a specific cDNA clone can be complex.…”
Section: Discussionmentioning
confidence: 96%
“…These genes are tandemly arranged in 720-base pair (bp) repeating units (9) which include the 5S RNA gene, a pseudogene (25), and an untranscribed spacer region which varies in length (7,11) (Fig. 1).…”
mentioning
confidence: 99%
“…Bu yüzden psödogenler çoğalma seçilimi altında bulunmazlar. İlk olarak 1977'de Jacq ve arkadaşlarının Xenopus laevis'in homolog 5S genomik DNA sekansından transkribe olmayan bir grubun varlığını rapor etmeleriyle keşfedilmiş ve daha sonra yapılan çalışmalar, bu transkribe olmayan grupların prokaryotlardan ökaryotlara birçok canlıda var olduğunu ortaya çıkarmıştır (4)(5)(6) 1A). Tekrarlayan psödogenler (dublicated pseudogenes) ise yanlış gen dublikasyonu ile gen bölgesinin enhansır ve promotörlerinin bozulmasıyla veya çerçeve kayması mutasyonu, erken stop kodonu oluşumu ile gen bölgesinin fonksiyonunu kaybetmesiyle meydana gelir.…”
Section: Introductionunclassified