Extremely high boron tolerance in Puccinellia distans (Jacq.) Parl. related to root boron exclusion and a well-regulated antioxidant system

M. Hamurcu; E.E. Hakki; T. Demiral Sert; C. Özdemir; E. Minareci; Z.Z. Avsaroglu; S. Gezgin; S. Ali Kayis; R.W. Bell

doi:10.1515/znc-2015-0226

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Extremely high boron tolerance in Puccinellia distans (Jacq.) Parl. related to root boron exclusion and a well-regulated antioxidant system

Journal article

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Extremely high boron tolerance in Puccinellia distans (Jacq.) Parl. related to root boron exclusion and a well-regulated antioxidant system

M. Hamurcu, E.E. Hakki, T. Demiral Sert, C. Özdemir, E. Minareci, Z.Z. Avsaroglu, S. Gezgin, S. Ali Kayis and R.W. Bell

Zeitschrift fur Naturforschung - C Journal of Biosciences, Vol.71(7-8), pp.273-285

2016

DOI: https://doi.org/10.1515/znc-2015-0226

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Abstract

Recent studies indicate an extremely high level of tolerance to boron (B) toxicity in Puccinellia distans (Jacq.) Parl. but the mechanistic basis is not known. Puccinellia distans was exposed to B concentrations of up to 1000 mg B L-1 and root B uptake, growth parameters, B and N contents, H2O2 accumulation and ·OH-scavenging activity were measured. Antioxidant enzyme activities including superoxide dismutase (SOD), ascorbate peroxidase, catalase, peroxidase and glutathione reductase, and lipid peroxidation products were determined. B appears to be actively excluded from roots. Excess B supply caused structural deformations in roots and leaves, H2O2 accumulation and simultaneous up-regulation of the antioxidative system, which prevented lipid peroxidation even at the highest B concentrations. Thus, P. distans has an efficient root B-exclusion capability and, in addition, B tolerance in shoots is achieved by a well-regulated antioxidant defense system.

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Title: Extremely high boron tolerance in Puccinellia distans (Jacq.) Parl. related to root boron exclusion and a well-regulated antioxidant system
Authors/Creators: M. Hamurcu (Author/Creator) - Selçuk University
E.E. Hakki (Author/Creator) - Selçuk University
T. Demiral Sert (Author/Creator)
C. Özdemir (Author/Creator) - Manisa Celal Bayar University
E. Minareci (Author/Creator) - Manisa Celal Bayar University
Z.Z. Avsaroglu (Author/Creator) - Harran University
S. Gezgin (Author/Creator) - Selçuk University
S. Ali Kayis (Author/Creator)
R.W. Bell (Author/Creator) - Murdoch University
Publication Details: Zeitschrift fur Naturforschung - C Journal of Biosciences, Vol.71(7-8), pp.273-285
Publisher: de Gruyter
Identifiers: 991005541409407891
Copyright: © 2016 Walter de Gruyter GmbH, Berlin/Boston.
Murdoch Affiliation: School of Veterinary and Life Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.1474 Micronutrient Interactions
Web Of Science research areas: Biochemistry & Molecular Biology; Pharmacology & Pharmacy
ESI research areas: Biology & Biochemistry