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Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides

Global agricultural intensification has prompted investigations into biostimulants to enhance plant nutrition and soil ecosystem processes. Metal lactates are an understudied class of organic micronutrient supplement that provide both a labile carbon source and mineral nutrition for plant and microb...

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Autores principales: Opdahl, Lee J., Lewis, Ricky W., Kalcsits, Lee A., Sullivan, Tarah S., Sanguinet, Karen A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8391765/
https://www.ncbi.nlm.nih.gov/pubmed/34439752
http://dx.doi.org/10.3390/biom11081085
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author Opdahl, Lee J.
Lewis, Ricky W.
Kalcsits, Lee A.
Sullivan, Tarah S.
Sanguinet, Karen A.
author_facet Opdahl, Lee J.
Lewis, Ricky W.
Kalcsits, Lee A.
Sullivan, Tarah S.
Sanguinet, Karen A.
author_sort Opdahl, Lee J.
collection PubMed
description Global agricultural intensification has prompted investigations into biostimulants to enhance plant nutrition and soil ecosystem processes. Metal lactates are an understudied class of organic micronutrient supplement that provide both a labile carbon source and mineral nutrition for plant and microbial growth. To gain a fundamental understanding of plant responses to metal lactates, we employed a series of sterile culture-vessel experiments to compare the uptake and toxicity of five metals (Zn, Mn, Cu, Ni, and Co) supplied in lactate and chloride salt form. Additionally, primary root growth in plate-grown Arabidopsis thaliana seedlings was used to determine optimal concentrations of each metal lactate. Our results suggest that uptake and utilization of metals in wheat (Triticum aestivum L.) when supplied in lactate form is comparable to that of metal chlorides. Metal lactates also have promotional growth effects on A. thaliana seedlings with optimal concentrations identified for Zn (0.5–1.0 µM), Mn (0.5–1.0 µM), Cu (0.5 µM), Ni (1.0 µM), and Co (0.5 µM) lactate. These findings present foundational evidence to support the use of metal lactates as potential crop biostimulants due to their ability to both supply nutrients and stimulate plant growth.
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spelling pubmed-83917652021-08-28 Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides Opdahl, Lee J. Lewis, Ricky W. Kalcsits, Lee A. Sullivan, Tarah S. Sanguinet, Karen A. Biomolecules Article Global agricultural intensification has prompted investigations into biostimulants to enhance plant nutrition and soil ecosystem processes. Metal lactates are an understudied class of organic micronutrient supplement that provide both a labile carbon source and mineral nutrition for plant and microbial growth. To gain a fundamental understanding of plant responses to metal lactates, we employed a series of sterile culture-vessel experiments to compare the uptake and toxicity of five metals (Zn, Mn, Cu, Ni, and Co) supplied in lactate and chloride salt form. Additionally, primary root growth in plate-grown Arabidopsis thaliana seedlings was used to determine optimal concentrations of each metal lactate. Our results suggest that uptake and utilization of metals in wheat (Triticum aestivum L.) when supplied in lactate form is comparable to that of metal chlorides. Metal lactates also have promotional growth effects on A. thaliana seedlings with optimal concentrations identified for Zn (0.5–1.0 µM), Mn (0.5–1.0 µM), Cu (0.5 µM), Ni (1.0 µM), and Co (0.5 µM) lactate. These findings present foundational evidence to support the use of metal lactates as potential crop biostimulants due to their ability to both supply nutrients and stimulate plant growth. MDPI 2021-07-23 /pmc/articles/PMC8391765/ /pubmed/34439752 http://dx.doi.org/10.3390/biom11081085 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Opdahl, Lee J.
Lewis, Ricky W.
Kalcsits, Lee A.
Sullivan, Tarah S.
Sanguinet, Karen A.
Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title_full Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title_fullStr Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title_full_unstemmed Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title_short Plant Uptake of Lactate-Bound Metals: A Sustainable Alternative to Metal Chlorides
title_sort plant uptake of lactate-bound metals: a sustainable alternative to metal chlorides
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8391765/
https://www.ncbi.nlm.nih.gov/pubmed/34439752
http://dx.doi.org/10.3390/biom11081085
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