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  • Authors Silva, S; Oliveira, H; Silva, AMS; Santos, C
  • Author Full Name Silva, S.; Oliveira, H.; Silva, A. M. S.; Santos, C.
  • Title The cytotoxic targets of anatase or rutile plus anatase nanoparticles depend on the plant species
  • Nationality internacional
  • Source BIOLOGIA PLANTARUM
  • Language English
  • Document Type Article
  • Author Keywords abiotic stress; cell cycle; genotoxicity; micronucleus; phytotoxicity; titanium dioxide
  • Keywords Plus TITANIUM-DIOXIDE NANOPARTICLES; CERIUM OXIDE NANOPARTICLES; CUCUMBER CUCUMIS-SATIVUS; WHEAT TRITICUM-AESTIVUM; TIO2 NANOPARTICLES; SILVER NANOPARTICLES; ENGINEERED NANOMATERIALS; CUCURBITA-PEPO; TOXICITY; PHYTOTOXICITY
  • Abstract The potential toxicity of nanoparticles (NPs) is under debate. Information about TiO2 NPs phytotoxicity is still limited partly due to the different TiO2 NP forms that may be found in the environment. The present work investigated the impact of different TiO2 NPs forms (rutile and anatase) on germination, growth, cell cycle profile, ploidy level, and micronucleus formation in Lactuca sativa (lettuce) and Ocimum basilicum (basil). Seeds were exposed to anatase (ana) or rutile + anatase (rut+ana) at concentrations 5 - 150 mg dm(-3) for 5 d and after that different parameters were analyzed. Rut+ana showed high potential to impair germination and growth. On the other hand, ana alone showed a positive influence on seedling growth. Despite that, ana induced severe alterations in cell cycle dynamics. Regarding species, basil was more sensitive to TiO2 NPs cytostatic effects (delay/arrest in G(0)/G(1) phase), whereas in lettuce, TiO2 NPs were more genotoxic (micronucleus formation increase). Finally, we propose that, besides germination and plant growth, cell cycle dynamics and micronucleus formation can be sensitive biomarkers of these NPs.
  • Author Address [Silva, S.; Silva, A. M. S.] Univ Aveiro, Dept Chem, QOPNA, P-3810193 Aveiro, Portugal; [Silva, S.; Oliveira, H.] Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal; [Oliveira, H.] Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal; [Santos, C.] Univ Porto, Dept Biol, Fac Sci, P-4169007 Oporto, Portugal
  • Reprint Address Silva, S (reprint author), Univ Aveiro, Dept Chem, QOPNA, P-3810193 Aveiro, Portugal.; Silva, S (reprint author), Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal.
  • E-mail Address soniasilva@ua.pt
  • ResearcherID Number Silva, Artur/L-9222-2014
  • ORCID Number Silva, Artur/0000-0003-2861-8286; Santos, Conceicao/0000-0003-4129-6381; Silva, Sonia/0000-0003-1291-2667; Oliveira, Helena/0000-0002-4673-0696
  • Funding Agency and Grant Number Fundacao para a Ciencia e Tecnologia/Ministerio da Ciencia, Tecnologia e Ensino Superior (FCT/MCTES) from the financing program QREN-POPH/FSE - Tipologia 4.1 - Formacao Avancada [SFRH/BPD/74299/2010, SFRH/BPD/111736/2015]; CESAM [UID/AMB/50017]; UI QOPNA [FCT UID/QUI/00062/2013]; FCT/MEC; FEDER; Compete; FEDER/COMPET/POCI [POCI-01-0145-FEDER-006958 (UID/AGR/04033/2013)]
  • Funding Text Fundacao para a Ciencia e Tecnologia/Ministerio da Ciencia, Tecnologia e Ensino Superior (FCT/MCTES) supported S. Silva (SFRH/BPD/74299/2010) and H. Oliveira (SFRH/BPD/111736/2015) grants from the financing program QREN-POPH/FSE - Tipologia 4.1 - Formacao Avancada. We want to thank for the for the financial support to CESAM (UID/AMB/50017) and UI QOPNA (FCT UID/QUI/00062/2013), to FCT/MEC through national funds and co-funding by the FEDER, within the PT2020 Partnership Agreement and Compete 2020. This work was also funded by FEDER/COMPET/POCI, POCI-01-0145-FEDER-006958 (UID/AGR/04033/2013).
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  • Cited Reference Count 55
  • Times Cited 2
  • Total Times Cited Count (WoS, BCI, and CSCD) 2
  • Publisher ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
  • Publisher City PRAHA 6
  • Publisher Address ROZVOJOVA 263, PRAHA 6, CZ-165 02, CZECH REPUBLIC
  • ISSN 0006-3134
  • Character Source Abbreviation BIOL PLANTARUM
  • ISO Source Abbreviation Biol. Plant.
  • Publication Date DEC
  • Year Published 2017
  • Volume 61
  • Issue 4
  • Beginning Page 717
  • Ending Page 725
  • Digital Object Identifier (DOI) 10.1007/s10535-017-0733-8
  • Subject Category 9
  • Document Delivery Number Plant Sciences
  • Unique Article Identifier Plant Sciences
CESAM - Centro de Estudos do Ambiente e do Mar - Universidade de Aveiro

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