Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves

Abstract Zinc (Zn) is a key micronutrient for plants and animals, and understanding Zn homeostasis in plants can improve both agriculture and human health. While root Zn transporters in plant model species have been characterized in detail, comparatively little is known about shoot processes control...

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Autores principales:	Felipe K. Ricachenevsky, Tracy Punshon, David E. Salt, Janette P. Fett, Mary Lou Guerinot
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6b22be56e4c24a9d8186723e1649572b
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spelling	oai:doaj.org-article:6b22be56e4c24a9d8186723e1649572b2021-12-02T13:34:32ZArabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves10.1038/s41598-021-84508-y2045-2322https://doaj.org/article/6b22be56e4c24a9d8186723e1649572b2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84508-yhttps://doaj.org/toc/2045-2322Abstract Zinc (Zn) is a key micronutrient for plants and animals, and understanding Zn homeostasis in plants can improve both agriculture and human health. While root Zn transporters in plant model species have been characterized in detail, comparatively little is known about shoot processes controlling Zn concentrations and spatial distribution. Previous work showed that Zn hyperaccumulator species such as Arabidopsis halleri accumulate Zn and other metals in leaf trichomes. To date there is no systematic study regarding Zn accumulation in the trichomes of the non-accumulating, genetic model species A. thaliana. Here, we used Synchrotron X-Ray Fluorescence mapping to show that Zn accumulates at the base of trichomes of A. thaliana. Using transgenic and natural accessions of A thaliana that vary in bulk leaf Zn concentration, we demonstrate that higher leaf Zn increases total Zn found at the base of trichome cells. Our data indicates that Zn accumulation in trichomes is a function of the Zn status of the plant, and provides the basis for future studies on a genetically tractable plant species to understand the molecular steps involved in Zn spatial distribution in leaves.Felipe K. RicachenevskyTracy PunshonDavid E. SaltJanette P. FettMary Lou GuerinotNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Felipe K. Ricachenevsky Tracy Punshon David E. Salt Janette P. Fett Mary Lou Guerinot Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
description	Abstract Zinc (Zn) is a key micronutrient for plants and animals, and understanding Zn homeostasis in plants can improve both agriculture and human health. While root Zn transporters in plant model species have been characterized in detail, comparatively little is known about shoot processes controlling Zn concentrations and spatial distribution. Previous work showed that Zn hyperaccumulator species such as Arabidopsis halleri accumulate Zn and other metals in leaf trichomes. To date there is no systematic study regarding Zn accumulation in the trichomes of the non-accumulating, genetic model species A. thaliana. Here, we used Synchrotron X-Ray Fluorescence mapping to show that Zn accumulates at the base of trichomes of A. thaliana. Using transgenic and natural accessions of A thaliana that vary in bulk leaf Zn concentration, we demonstrate that higher leaf Zn increases total Zn found at the base of trichome cells. Our data indicates that Zn accumulation in trichomes is a function of the Zn status of the plant, and provides the basis for future studies on a genetically tractable plant species to understand the molecular steps involved in Zn spatial distribution in leaves.
format	article
author	Felipe K. Ricachenevsky Tracy Punshon David E. Salt Janette P. Fett Mary Lou Guerinot
author_facet	Felipe K. Ricachenevsky Tracy Punshon David E. Salt Janette P. Fett Mary Lou Guerinot
author_sort	Felipe K. Ricachenevsky
title	Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
title_short	Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
title_full	Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
title_fullStr	Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
title_full_unstemmed	Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
title_sort	arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/6b22be56e4c24a9d8186723e1649572b
work_keys_str_mv	AT felipekricachenevsky arabidopsisthalianazincaccumulationinleaftrichomesiscorrelatedwithzincconcentrationinleaves AT tracypunshon arabidopsisthalianazincaccumulationinleaftrichomesiscorrelatedwithzincconcentrationinleaves AT davidesalt arabidopsisthalianazincaccumulationinleaftrichomesiscorrelatedwithzincconcentrationinleaves AT janettepfett arabidopsisthalianazincaccumulationinleaftrichomesiscorrelatedwithzincconcentrationinleaves AT marylouguerinot arabidopsisthalianazincaccumulationinleaftrichomesiscorrelatedwithzincconcentrationinleaves
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Arabidopsis thaliana zinc accumulation in leaf trichomes is correlated with zinc concentration in leaves

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