ArticlePlant cell reports2006
Expression of an Arabidopsis CAX2 variant in potato tubers increases calcium levels with no accumulation of manganese.
Article in Plant cell reports, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 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
11 citing papers in PubMed, 47 citations in OpenAlex.
- Biofortification of potato nutrition.Journal of advanced research · 2025Review
- Redefining the N-Terminal Regulatory Region of the CaFrontiers in plant science · 2022Article
- Potato biofortification: an effective way to fight global hidden hunger.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Review
- The Rice Cation/HInternational journal of molecular sciences · 2021Article
- Article
- Heterologous expression of TuCAX1a and TuCAX1b enhances CaPlant cell reports · 2019Article
- Improving nutritional quality and fungal tolerance in soya bean and grass pea by expressing an oxalate decarboxylase.Plant biotechnology journal · 2016Article
- Calcium Biofortification: Three Pronged Molecular Approaches for Dissecting Complex Trait of Calcium Nutrition in Finger Millet (Frontiers in plant science · 2016Review
- The contribution of transgenic plants to better health through improved nutrition: opportunities and constraints.Genes & nutrition · 2013Article
- Review
- Disruption of the vacuolar calcium-ATPases in Arabidopsis results in the activation of a salicylic acid-dependent programmed cell death pathway.Plant physiology · 2010Article
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Previously, we made a chimeric Arabidopsis thaliana vacuolar transporter CAX2B [a variant of N-terminus truncated form of CAX2 (sCAX2) containing the "B" domain from CAX1] that has enhanced calcium (Ca(2+)) substrate specificity and lost the manganese (Mn(2+)) transport capability of sCAX2. Here, we demonstrate that potato (Solanum tuberosum L.) tubers expressing the CAX2B contain 50-65% more calcium (Ca(2+)) than wild-type tubers. Moreover, expression of CAX2B in potatoes did not show any significant increase of the four metals tested, particularly manganese (Mn(2+)). The CAX2B-expressing potatoes have normally undergone the tuber/plant/tuber cycle for three generations; the trait appeared stable through the successive generations and showed no deleterious alternations on plant growth and development. These results demonstrate the enhanced substrate specificity of CAX2B in potato. Therefore, CAX2B can be a valuable tool for Ca(2+) nutrient enrichment of potatoes with reduced accumulation of undesirable metals.
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