Inability to accumulate Ni in a genus of hyperaccumulators: the paradox of Odontarrhena sibirica (Brassicaceae).
Alyssum
Cruciferae
Herbarium specimens
Metal accumulation
Serpentine plants
Ultramafics
Journal
Planta
ISSN: 1432-2048
Titre abrégé: Planta
Pays: Germany
ID NLM: 1250576
Informations de publication
Date de publication:
10 Nov 2020
10 Nov 2020
Historique:
received:
13
07
2020
accepted:
30
10
2020
entrez:
10
11
2020
pubmed:
11
11
2020
medline:
11
3
2021
Statut:
epublish
Résumé
Odontarrhena is a highly diverse genus of Ni-hyperaccumulators. Here, we demonstrate substantial inability to accumulate Ni in the facultative serpentinophyte O. sibirica, which seems a unique case among the numerous species of the genus that grow on ultramafic soils. Odontarrhena is the most diverse genus of Ni-accumulating plants in W Eurasia, with most taxa growing obligatorily or facultatively on ultramafic soils. A notable exception may be O. sibirica, a facultative serpentinophyte from the E Mediterranean and W Asia in which accumulation ability is still enigmatic. We addressed this issue using observational and experimental methods. Atomic Absorption Analysis of 33 herbarium specimens and plant and soil samples from seven ultramafic and non-ultramafic sites in Greece revealed shoot Ni values always much lower than 1000 µg g
Identifiants
pubmed: 33170944
doi: 10.1007/s00425-020-03507-x
pii: 10.1007/s00425-020-03507-x
pmc: PMC7655579
doi:
Substances chimiques
Soil
0
Soil Pollutants
0
Nickel
7OV03QG267
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
99Subventions
Organisme : FACCE SURPLUS
ID : (Agronickel Project)
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