ArticlePlant molecular biology2005
Comparative analysis of expressed sequence tags of conifers and angiosperms reveals sequences specifically conserved in conifers.
Article in Plant molecular biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 45 citations in OpenAlex.
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- Identification of low temperature stress regulated transcript sequences and gene families in Italian cypress.Molecular biotechnology · 2015Article
- Transcriptome profiling and in silico analysis of somatic embryos in Japanese larch (Larix leptolepis).Plant cell reports · 2012Article
- A second generation framework for the analysis of microsatellites in expressed sequence tags and the development of EST-SSR markers for a conifer, Cryptomeria japonica.BMC genomics · 2012Article
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- The first insight into the Taxus genome via fosmid library construction and end sequencing.Molecular genetics and genomics : MGG · 2011Article
- Comparative genomics reveals conservative evolution of the xylem transcriptome in vascular plants.BMC evolutionary biology · 2010Article
- An efficient method for developing SNP markers based on EST data combined with high resolution melting (HRM) analysis.BMC research notes · 2010Article
- A conifer genomics resource of 200,000 spruce (Picea spp.) ESTs and 6,464 high-quality, sequence-finished full-length cDNAs for Sitka spruce (Picea sitchensis).BMC genomics · 2008Article
- Characterization of expressed sequence tags from a full-length enriched cDNA library of Cryptomeria japonica male strobili.BMC genomics · 2008Article
- Genome scan to detect genetic structure and adaptive genes of natural populations of Cryptomeria japonica.Genetics · 2007Article
- Expressed sequence tags from loblolly pine embryos reveal similarities with angiosperm embryogenesis.Plant molecular biology · 2006Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To identify and characterize lineage-specific genes of conifers, two sets of ESTs (with 12791 and 5902 ESTs, representing 5373 and 3018 gene transcripts, respectively) were generated from the Cupressaceae species Cryptomeria japonica and Chamaecyparis obtusa. These transcripts were compared with non-redundant sets of genes generated from Pinaceae species, other gymnosperms and angiosperms. About 6% of tentative unique genes (Unigenes) of C. japonica and C. obtusa had homologs in other conifers but not angiosperms, and about 70% had apparent homologs in angiosperms. The calculated GC contents of orthologous genes showed that GC contents of coniferous genes are likely to be lower than those of angiosperms. Comparisons of the numbers of homologous genes in each species suggest that copy numbers of genes may be correlated between diverse seed plants. This correlation suggests that the multiplicity of such genes may have arisen before the divergence of gymnosperms and angiosperms.
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