a83c51409ff7807d6f6e789bc5277f91 pmc_10255622.pdf b9214fa042c01a7546867bf0a66b159f9000b8ee pmc_10255622.pdf 2b85fe31dfa44970e9849f0b81e83917741120fe5e73cf883addf7e03d0ad77e pmc_10255622.pdf Title: Weed Species from Tea Gardens as a Source of Novel Aluminum Hyperaccumulators Subject: Increased availability of toxic Al3+ is the main constraint limiting plant growth on acid soils. Plants adapted to acid soils, however, tolerate toxic Al3+, and some can accumulate Al in their aerial parts to a significant degree. Studies on Al-tolerant and Al-accumulating species have mainly focused on the vegetation of acid soils distributed as two global belts in the northern and southern hemispheres, while acid soils formed outside these regions have been largely neglected. The acid soils (pH 3.4–4.2) of the tea plantations in the south Caspian region of Northern Iran were surveyed over three seasons at two main locations. Aluminum and other mineral elements (including nutrients) were measured in 499 plant specimens representing 86 species from 43 families. Al accumulation exceeding the criterion for accumulator species (>1000 g g-1 DW) was found in 36 species belonging to 23 families of herbaceous annual or perennial angiosperms, in addition to three bryophyte species. Besides Al, Fe accumulation (1026–5155 g g-1 DW) was also observed in the accumulator species that exceeded the critical toxicity concentration, whereas no such accumulation was observed for Mn. The majority of analyzed accumulator plants (64%) were cosmopolitan or pluriregional species, with a considerable rate of Euro-Siberian elements (37%). Our findings, which may contribute to phylogenetic studies of Al accumulators, also suggest suitable accumulator and excluder species for the rehabilitation of acid-eroded soils and introduce new model species for investigating Al accumulation and exclusion mechanisms. Keywords: acid soils; aluminum accumulation; heavy metals; iron; manganese; Northern Iran Author: Roghieh Hajiboland, Aiuob Moradi, Ehsan Kahneh, Charlotte Poschenrieder, Fatemeh Nazari, Jelena Pavlovic, Roser Tolra, Seyed-Yahya Salehi-Lisar and Miroslav Nikolic Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Tue Jun 6 05:49:30 2023 CEST ModDate: Tue Jun 6 05:55:19 2023 CEST Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 16 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 2599463 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- QFMLZY+VnURWPalladioL Type 1 Custom yes yes no 10 0 OVNEXW+EURM10 Type 1 Builtin yes yes no 15 0 HBJUMK+URWPalladioL-Bold Type 1 Custom yes yes no 19 0 LSXJOE+URWPalladioL-Roma Type 1 Custom yes yes no 24 0 NPTFXD+URWPalladioL-Ital Type 1 Custom yes yes no 28 0 YFFKLH+CMSY10 Type 1 Builtin yes yes no 32 0 VTLKDP+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 51 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 93 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 96 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 99 0 XIRVNA+EURB10 Type 1 Builtin yes yes no 107 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 131 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 134 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 137 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 155 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 158 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 161 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 180 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 183 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 186 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 213 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 216 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 219 0 JLFGEK+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 243 0 JLFGEM+PalatinoLinotype TrueType WinAnsi yes yes no 246 0 JLFGEO+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 249 0 Jhove (Rel. 1.28.0, 2023-05-18) Date: 2024-02-02 02:34:00 CET RepresentationInformation: pmc_10255622.pdf ReportingModule: PDF-hul, Rel. 1.12.4 (2023-03-16) LastModified: 2023-12-14 02:19:39 CET Size: 2599463 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 467 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: section.1 Item: Title: Results Destination: section.2 Children: Item: Title: Al Concentration in the Specimens Collected from Acid Soils Destination: subsection.2.1 Item: Title: Accumulation of Al in Plants under Laboratory Conditions Destination: subsection.2.2 Item: Title: Discussion Destination: section.3 Children: Item: Title: Al Accumulation in Species Not Previously Recorded as Al Accumulators Destination: subsection.3.1 Item: Title: Accumulation of Al in Different Seasons and Locations Destination: subsection.3.2 Item: Title: Accumulation of Al and Concentration of Micronutrients Destination: subsection.3.3 Item: Title: Accumulation of Al from an Ecological and Evolutionary Point of View Destination: subsection.3.4 Item: Title: Materials and Methods Destination: section.4 Children: Item: Title: Study Area Destination: subsection.4.1 Item: Title: Collection of Soil Samples Destination: subsection.4.2 Item: Title: Collection of Plants and Determination of Species Destination: subsection.4.3 Item: Title: Preparation of Samples and Elemental Analyses Destination: subsection.4.4 Item: Title: Plants Cultivation and Treatment under Growth Chamber Conditions Destination: subsection.4.5 Item: Title: Data Analysis of Field Samples and Design of the Lab Experiments Destination: subsection.4.6 Item: Title: Conclusions Destination: section.5 Item: Title: References Destination: section.A. Info: Title: Weed Species from Tea Gardens as a Source of Novel Aluminum Hyperaccumulators Author: Roghieh Hajiboland, Aiuob Moradi, Ehsan Kahneh, Charlotte Poschenrieder, Fatemeh Nazari, Jelena Pavlovic, Roser Tolra, Seyed-Yahya Salehi-Lisar and Miroslav Nikolic Subject: Increased availability of toxic Al3+ is the main constraint limiting plant growth on acid soils. Plants adapted to acid soils, however, tolerate toxic Al3+, and some can accumulate Al in their aerial parts to a significant degree. Studies on Al-tolerant and Al-accumulating species have mainly focused on the vegetation of acid soils distributed as two global belts in the northern and southern hemispheres, while acid soils formed outside these regions have been largely neglected. The acid soils (pH 3.4 4.2) of the tea plantations in the south Caspian region of Northern Iran were surveyed over three seasons at two main locations. Aluminum and other mineral elements (including nutrients) were measured in 499 plant specimens representing 86 species from 43 families. Al accumulation exceeding the criterion for accumulator species (>1000 g g-1 DW) was found in 36 species belonging to 23 families of herbaceous annual or perennial angiosperms, in addition to three bryophyte species. Besides Al, Fe accumulation (1026 5155 g g-1 DW) was also observed in the accumulator species that exceeded the critical toxicity concentration, whereas no such accumulation was observed for Mn. The majority of analyzed accumulator plants (64%) were cosmopolitan or pluriregional species, with a considerable rate of Euro-Siberian elements (37%). Our findings, which may contribute to phylogenetic studies of Al accumulators, also suggest suitable accumulator and excluder species for the rehabilitation of acid-eroded soils and introduce new model species for investigating Al accumulation and exclusion mechanisms. 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