ArticleJournal of applied genetics2010
Presence of env-like sequences in Quercus suber retrotransposons.
Article in Journal of applied genetics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Retand LTR-retrotransposons in plants: a long way from pol to 3'LTR.Mobile DNA · 2025Article
- Genome-wide characterization of LTR retrotransposons in the non-model deep-sea annelid Lamellibrachia luymesi.BMC genomics · 2021Article
- Additional ORFs in Plant LTR-Retrotransposons.Frontiers in plant science · 2020Review
- Corky, a gypsy-like retrotransposon is differentially transcribed in Quercus suber tissues.BMC research notes · 2012Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The main difference between LTR retrotransposons and retroviruses is the presence of the envelope (env) gene in the latter, downstream of the pol gene. The env gene is involved in their infectious capacity. Here we report the presence of env-like sequences in the genome of Quercus suber (cork oak), one of the most economically important Portuguese species. These gene sequences were isolated through DNA amplification between RNaseH conserved motifs and 3' LTR, based on the structure of copia retrotransposons. Phylogenetic analysis revealed that almost all the clones isolated are clustered with Cyclops-2, a Ty3-gypsy element identified in Pisum sativum, except one clustered with gypsy and copia retroelements found in different species. This suggests the existence of a potential ancestral sequence of the env gene, prior to the separation of Ty3-gypsy and Ty1-copia retrotransposons. Additionally, the isolated env-like sequences showed 26-39% of homology with env-like sequences characterized in viruses. The origin of env-like sequences in retrotransposons from host plant taxa is discussed.
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Registered trials
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