Search Results - "El Mehdawi, Ali F."

Seleniferous soils as a source for production of selenium-enriched foods and potential of bacteria to enhance plant selenium uptake by Yasin, Muhammad, El Mehdawi, Ali F, Jahn, Courtney E, Anwar, Aneela, Turner, Marie F. S, Faisal, Muhammad, Pilon-Smits, Elizabeth A. H

“…AIMS: Selenium (Se) is an essential micronutrient for animals and humans but toxic at high levels. Soil Se concentration is highly variable. Selenium toxicity…”
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Selenium Accumulation, Speciation and Localization in Brazil Nuts ( Bertholletia excelsa H.B.K.) by Lima, Leonardo W, Stonehouse, Gavin C, Walters, Christina, Mehdawi, Ali F El, Fakra, Sirine C, Pilon-Smits, Elizabeth A H

“…More than a billion people worldwide may be selenium (Se) deficient, and supplementation with Se-rich Brazil nuts may be a good strategy to prevent deficiency…”
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Selenium Hyperaccumulators Facilitate Selenium-Tolerant Neighbors via Phytoenrichment and Reduced Herbivory by El Mehdawi, Ali F., Quinn, Colin F., Pilon-Smits, Elizabeth A.H.

“…Soil surrounding selenium (Se) hyperaccumulator plants was shown earlier to be enriched in Se, impairing the growth of Se-sensitive plant species. Because Se…”
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Influence of sulfate supply on selenium uptake dynamics and expression of sulfate/selenate transporters in selenium hyperaccumulator and nonhyperaccumulator Brassicaceae by El Mehdawi, Ali F., Jiang, Ying, Guignardi, Zack S., Esmat, Ahmad, Pilon, Marinus, Pilon‐Smits, Elizabeth A. H., Schiavon, Michela

“…Stanleya pinnata not only hyperaccumulates selenium (Se) to 0.5% of its dry weight, but also exhibits higher tissue Se-to-sulfur (S) ratios than other species…”
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Effects of selenium hyperaccumulation on plant—plant interactions: evidence for elemental allelopathy? by Mehdawi, Ali F. El, Quinn, Colin F., Pilon-Smits, Elizabeth A. H.

“…Few studies have investigated plant—plant interactions involving hyperaccumulator plants. Here, we investigated the effect of selenium (Se) hyperaccumulation…”
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Symphyotrichum ericoides populations from seleniferous and nonseleniferous soil display striking variation in selenium accumulation by El Mehdawi, Ali F., Paschke, Mark W., Pilon‐Smits, Elizabeth A. H.

“…Symphyotrichum ericoides (Asteraceae) from naturally seleniferous habitat (Pine Ridge) was shown previously to have selenium (Se) hyperaccumulator properties…”
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Characterization of Selenium Accumulation, Localization and Speciation in Buckwheat-Implications for Biofortification by Jiang, Ying, El Mehdawi, Ali F, Tripti, Lima, Leonardo W, Stonehouse, Gavin, Fakra, Sirine C, Hu, Yuegao, Qi, Hua, Pilon-Smits, Elizabeth A H

“…Buckwheat is an important crop species in areas of selenium (Se) deficiency. To obtain better insight into their Se metabolic properties, common buckwheat ( )…”
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Interactions of selenium hyperaccumulators and nonaccumulators during cocultivation on seleniferous or nonseleniferous soil – the importance of having good neighbors by El Mehdawi, Ali F, Cappa, Jennifer J, Fakra, Sirine C, Self, James, Pilon‐Smits, Elizabeth A.H

“…• This study investigated how selenium (Se) affects relationships between Se hyperaccumulator and nonaccumulator species, particularly how plants influence…”
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Do selenium hyperaccumulators affect selenium speciation in neighboring plants and soil? An X-Ray Microprobe Analysis by El Mehdawi, Ali F., Lindblom, Stormy D., Cappa, Jennifer J., Fakra, Sirine C., Pilon-Smits, Elizabeth A. H.

“…Neighbors of Se hyperaccumulators Stanleya pinnata and Astragalus bisulcatus were found earlier to have elevated Se levels. Here we investigate whether Se…”
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Selenium Metabolism in Hemp (Cannabis sativa L.)Potential for Phytoremediation and Biofortification by Stonehouse, Gavin C, McCarron, Brandon Jude, Guignardi, Zack S, El Mehdawi, Ali F, Lima, Leonardo W, Fakra, Sirine C, Pilon-Smits, Elizabeth A.H

“…Selenium (Se) deficiency and toxicity affect over a billion people worldwide. Plants can mitigate both problems, via Se biofortification and phytoremediation…”
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Comparison of ATP sulfurylase 2 from selenium hyperaccumulator Stanleya pinnata and non-accumulator Stanleya elata reveals differential intracellular localization and enzyme activity levels by Jiang, Ying, Schiavon, Michela, Lima, Leonardo W., Tripti, Jones, Rachel R., El Mehdawi, Ali F., Royer, Suzanne, Zeng, Zhaohai, Hu, Yuegao, Pilon-Smits, Elizabeth A.H., Pilon, Marinus

“…The plant Stanleya pinnata hyperaccumulates Se up to 0.5% of its dry weight in organic forms, whereas the closely related Stanleya elata does not…”
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Characterization of selenium and sulfur accumulation across the genus Stanleya (Brassicaceae): A field survey and common-garden experiment by Cappa, Jennifer J, Cappa, Patrick J, El Mehdawi, Ali F, McAleer, Jenna M, Simmons, Mark P, Pilon-Smits, Elizabeth A. H

“…• Premise of study: Selenium (Se) hyperaccumulation, the capacity to concentrate the toxic element Se above 1000 mg·kg−1·dry mass, is found in relatively few…”
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Identification and physiological comparison of plant species that show positive or negative co-occurrence with selenium hyperaccumulators by Reynolds, R. Jason B, Jones, Rachel R, Stonehouse, Gavin C, El Mehdawi, Ali F, Lima, Leonardo W, Fakra, Sirine C, Pilon-Smits, Elizabeth A. H

“…In these studies we identified and compared the properties of plant species that showed positive or negative co-occurrence with selenium (Se) hyperaccumulators…”
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Analysis of selenium accumulation, speciation and tolerance of potential selenium hyperaccumulator Symphyotrichum ericoides by El Mehdawi, Ali F, Reynolds, Ray Jason B, Prins, Christine N, Lindblom, Stormy D, Cappa, Jennifer J, Fakra, Sirine C, Pilon‐Smits, Elizabeth A.H

“…Symphyotrichum ericoides was shown earlier to contain hyperaccumulator levels of selenium (Se) in the field (>1000 mg kg⁻¹ dry weight (DW)), but only when…”
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S ymphyotrichum ericoides populations from seleniferous and nonseleniferous soil display striking variation in selenium accumulation by El Mehdawi, Ali F., Paschke, Mark W., Pilon‐Smits, Elizabeth A. H.

“…Summary Symphyotrichum ericoides (Asteraceae) from naturally seleniferous habitat (Pine Ridge) was shown previously to have selenium (Se) hyperaccumulator…”
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Identification and physiological comparison of plant species that show positive or negative co-occurrence with selenium hyperaccumulators by Reynolds, R. Jason B., Jones, Rachel R., Stonehouse, Gavin C., El Mehdawi, Ali F., Lima, Leonardo W., Fakra, Sirine C., Pilon-Smits, Elizabeth A. H.

“…Abstract In these studies we identified and compared the properties of plant species that showed positive or negative co-occurrence with selenium (Se)…”
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