ArticleMolecular genetics and genomics : MGG2008
Diversification of the barley and wheat blt101/wpi6 promoters by the Xumet element without affecting stress responsiveness.
Article in Molecular genetics and genomics : MGG, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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1 citing paper in PubMed, 4 citations in OpenAlex.
- Isolation and characterization of maize PMP3 genes involved in salt stress tolerance.PloS one · 2012Article
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3 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
BLT101-family plasma membrane proteins are found in a wide range of organisms from bacteria to nematodes and are involved in the regulation of cellular cation concentration under stress conditions. A comparison of the promoter regions of barley blt101 and its wheat ortholog, wpi6, revealed highly conserved nucleotide sequences between both genes and a unique insertion of a Xumet element in the blt101 promoter. The Xumet insertion occurred between a putative abscisic acid-responsive element (ABRE) and the dehydration-responsive element/c-repeat (DRE/CRT) within the blt101 promoter. However, blt101 and wpi6 were induced similarly in response to ABA, drought and low temperature, suggesting that the insertion does not affect promoter functions. The Xumet insertion in the blt101/wpi6 promoter region was detected in five barley cultivars, but absent in two wheat cultivars tested, suggesting that the insertion is barley-specific. Genomic Southern blot analysis revealed a large number of Xumet sequences interspersed in the barley genome, whereas only one or very few copies are present in the wheat genome. The data suggested that an expansion in copy number of Xumet elements occurred in the barley genome through evolution.
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