ArticlePlant cell reports2008
Construction and functional characteristics of tuber-specific and cold-inducible chimeric promoters in potato.
Article in Plant cell reports, 2008. 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, 23 citations in OpenAlex.
- The Expression ofInternational journal of molecular sciences · 2018Article
- Article
- Subtle Regulation of Potato Acid Invertase Activity by a Protein Complex of Invertase, Invertase Inhibitor, and SUCROSE NONFERMENTING1-RELATED PROTEIN KINASE.Plant physiology · 2015Article
- Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The improvement of processing quality of potato products (fries and chips) demands less accumulation of reducing sugars (glucose and fructose) in cold-stored potato (Solanum tuberosum) tubers. Control of gene expression to achieve this requires promoters with specificity to tubers as well as inducible activity under low temperatures. Here we use overlapping extension PCR to construct two chimeric promoters, pCL and pLC, to control gene expression in a tuber-specific and cold-inducible pattern. This combined different combinations of the LTRE (low-temperature responsive element) from Arabidopsis thaliana cor15a promoter and the TSSR (tuber-specific and sucrose-responsive sequence) from potato class I patatin promoter. The cold-inducible and tuber-specific activities of the chimeric promoters were investigated by quantitative analysis of GUS activity in transgenic potato cultivar E3 plants. The results showed that the cis-elements, LTRE and TSSR, played responsive roles individually or in combination. pCL with the TSSR closer to the TATA-box showed substantially higher promoter activity than pLC with the LTRE closer to the TATA-box at either normal (20 degrees C) or low temperature (2 degrees C), suggesting that the promoter activity was closely associated with the position of the two elements. The chimeric promoter pCL with tuber-specific and cold-inducible features may provide valuable tool for controlling the expression of gene constructs designed to lower the formation of reducing sugars in tubers stored at low temperature and to improve the processing quality of potato products.
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