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Serpellone CO, Barbetta MFS, Perovani IS, Ballestero G, de Albuquerque NCP, de Oliveira ARM. Enantioselective analysis of the pesticide imazamox after in vitro permeability study in Caco-2 cells. Electrophoresis 2024. [PMID: 38456379 DOI: 10.1002/elps.202300193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/09/2024]
Abstract
Imazamox (IMX), a chiral herbicide used in cereals and oilseed crops to control weeds, is commonly sold as a racemic mixture. Its enantiomers, being chiral compounds, may exhibit unique properties when exposed to chiral environments. While IMX enantiomers have been reported to degrade differently in soil and be toxic to some species, their effects on human systems remain poorly understood. This study utilized Caco-2 (human colon adenocarcinoma cell line) cells to assess the in vitro permeability of a racemic mixture of IMX and its isolated enantiomers. Additionally, the study aimed to evaluate whether the metabolite imazamox-O-desmethyl (IMX-D) forms during the permeability process. An enantioselective chromatographic method was developed, fully validated, and the apparent permeability values were obtained. The apparent permeability of rac-IMX, (+)-IMX, and (-)-IMX was determined to be 4.15 × 10-5 , 5.78 × 10-5 , and 7.33 × 10-5 cm s-1 , respectively. These findings suggest that IMX exhibits high intestinal permeability, with an enantioselective absorption for (-)-IMX as compared to (+)-IMX. Finally, the permeability study in Caco-2 cells revealed that the metabolite IMX-D was not generated.
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Affiliation(s)
- Carolina Oliveira Serpellone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Maike Felipe Santos Barbetta
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Icaro Salgado Perovani
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Giulia Ballestero
- Laboratory of Research, Development and Innovation, ELEVE Science, Ribeirão Preto, São Paulo, Brazil
| | | | - Anderson Rodrigo Moraes de Oliveira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Unesp, Institute of Chemistry, Araraquara, São Paulo, Brazil
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Belovezhets LA, Levchuk AA, Pristavka EO. Prospects for application of microorganisms in bioremediation of soils contaminated with pesticides. J Environ Sci Health B 2023; 59:15-20. [PMID: 37966060 DOI: 10.1080/03601234.2023.2281197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
The contamination of soil with residual amounts of pesticides remains an urgent challenge for human community. The most efficient approach to address this challenge is the direct microbial degradation of a pesticide in agricultural lands. To this end, the selected microorganisms, which quickly and completely utilize pesticides, are employed. In the present work, two herbicides belonging to different classes of chemical compounds, that is, imazamox and chlorsulfuron were used. The screening of promising microorganisms was carried out among different strains of bacteria and fungi in a liquid mineral medium containing a pesticide as the only source of carbon. It was found that the most active microorganisms were capable of utilizing up to 90% of the active substance for a short time. The dynamics of pesticides degradation indicated that the maximum destruction of the studied substances occurred during the first two weeks of cultivation. Further, the rate of degradation dramatically dropped or stopped at all. An increase in the concentration of pesticides in the cultivation medium almost completely suppressed their degradation. It is interesting that the bacteria were more suitable for the degradation of imazamox, while the fungi rendered the destruction of chlorsulfuron.
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Affiliation(s)
- Lyudmila A Belovezhets
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
| | - Aleksey A Levchuk
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
| | - Ekaterina O Pristavka
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
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Rodriguez J, Hauvermale A, Carter A, Zuger R, Burke IC. An ALA 122 THR substitution in the AHAS/ALS gene confers imazamox-resistance in Aegilops cylindrica. Pest Manag Sci 2021; 77:4583-4592. [PMID: 34087037 DOI: 10.1002/ps.6498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/25/2021] [Accepted: 06/04/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Wheat growers have limited herbicide options to manage Aegilops cylindrica Host (jointed goatgrass), with many relying on mesosulfuron or imazamox in Clearfield™ winter wheat. Both imazamox and mesosulfuron inhibit acetohydroxyacid synthase/acetolactate synthase (AHAS/ALS). In 2015, a suspected imazamox resistant biotype of Ae. cylindrica was found in eastern Washington. RESULTS Imazamox and mesosulfuron were applied to the suspected resistant and susceptible Ae. cylindrica biotypes in increasing application rates to evaluate herbicide dose needed to cause 50% growth reduction (GR50 ). The imazamox resistant biotype had a GR50 of 308.5 g ai ha-1 and was more than 5000 times more resistant to imazamox than a known susceptible biotype with a GR50 of 0.06 g ai ha-1 . The Ae. cylindrica resistant biotype was also resistant to mesosulfuron, with an GR50 of 46.82 g ai ha-1 , which was five times more than the susceptible GR50 of 8.6 g ai ha-1 . Sequencing of the AHAS/ALS gene revealed an Ala122 Thr substitution in the herbicide binding region of the AHAS/ALS gene on the D genome of Ae. cylindrica. The resistance trait was inherited as a dominant trait, and the Ala122 Thr co-segregates with the resistance phenotype. CONCLUSIONS An Ala122 Thr substitution in the AHAS/ALS gene on the D genome of Ae. cylindrica confers resistance to imazamox in Ae. cylindrica. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Jeanette Rodriguez
- Department of Crop and Soil Science, Washington State University, Pullman, WA, USA
| | - Amber Hauvermale
- Department of Crop and Soil Science, Washington State University, Pullman, WA, USA
| | - Arron Carter
- Department of Crop and Soil Science, Washington State University, Pullman, WA, USA
| | - Rachel Zuger
- Department of Crop and Soil Science, Washington State University, Pullman, WA, USA
| | - Ian C Burke
- Department of Crop and Soil Science, Washington State University, Pullman, WA, USA
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Hada Z, Menchari Y, Rojano-Delgado AM, Torra J, Menéndez J, Palma-Bautista C, de Prado R, Souissi T. Point Mutations as Main Resistance Mechanism Together With P450-Based Metabolism Confer Broad Resistance to Different ALS-Inhibiting Herbicides in Glebionis coronaria From Tunisia. Front Plant Sci 2021; 12:626702. [PMID: 33868328 PMCID: PMC8047477 DOI: 10.3389/fpls.2021.626702] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/22/2021] [Indexed: 05/13/2023]
Abstract
Resistance to acetolactate synthase (ALS) inhibiting herbicides has recently been reported in Glebionis coronaria from wheat fields in northern Tunisia, where the weed is widespread. However, potential resistance mechanisms conferring resistance in these populations are unknown. The aim of this research was to study target-site resistance (TSR) and non-target-site resistance (NTSR) mechanisms present in two putative resistant (R) populations. Dose-response experiments, ALS enzyme activity assays, ALS gene sequencing, absorption and translocation experiments with radiolabeled herbicides, and metabolism experiments were carried out for this purpose. Whole plant trials confirmed high resistance levels to tribenuron and cross-resistance to florasulam and imazamox. ALS enzyme activity further confirmed cross-resistance to these three herbicides and also to bispyribac, but not to flucarbazone. Sequence analysis revealed the presence of amino acid substitutions in positions 197, 376, and 574 of the target enzyme. Among the NTSR mechanisms investigated, absorption or translocation did not contribute to resistance, while evidences of the presence of enhanced metabolism were provided. A pretreatment with the cytochrome P450 monooxygenase (P450) inhibitor malathion partially synergized with imazamox in post-emergence but not with tribenuron in dose-response experiments. Additionally, an imazamox hydroxyl metabolite was detected in both R populations in metabolism experiments, which disappeared with the pretreatment with malathion. This study confirms the evolution of cross-resistance to ALS inhibiting herbicides in G. coronaria from Tunisia through TSR and NTSR mechanisms. The presence of enhanced metabolism involving P450 is threatening the chemical management of this weed in Tunisian wheat fields, since it might confer cross-resistance to other sites of action.
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Affiliation(s)
- Zeineb Hada
- Department of Plant Health and Environment, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
- Laboratory of Bioagressor and Integrated Management in Agriculture (LR14AGR02), National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
- *Correspondence: Zeineb Hada,
| | - Yosra Menchari
- Higher Institute of Biotechnology of Beja, University of Jendouba, Jendouba, Tunisia
| | | | - Joel Torra
- Department d’Hortofructicultura, Botànica i Jardineria, AGROTECNIO-CERCA Center, Universitat de Lleida, Lleida, Spain
| | - Julio Menéndez
- Departamento de Ciencias Agroforestales, Escuela Politécnica Superior, Campus Universitario de La Rábida, Huelva, Spain
| | | | - Rafael de Prado
- Department of Agricultural Chemistry and Soil Science, University of Córdoba, Córdoba, Spain
| | - Thouraya Souissi
- Department of Plant Health and Environment, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
- Laboratory of Bioagressor and Integrated Management in Agriculture (LR14AGR02), National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia
- Thouraya Souissi,
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Gil-Monreal M, Giuntoli B, Zabalza A, Licausi F, Royuela M. ERF-VII transcription factors induce ethanol fermentation in response to amino acid biosynthesis-inhibiting herbicides. J Exp Bot 2019; 70:5839-5851. [PMID: 31384925 PMCID: PMC6812701 DOI: 10.1093/jxb/erz355] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 07/22/2019] [Indexed: 05/17/2023]
Abstract
Herbicides inhibiting either aromatic or branched-chain amino acid biosynthesis trigger similar physiological responses in plants, despite their different mechanism of action. Both types of herbicides are known to activate ethanol fermentation by inducing the expression of fermentative genes; however, the mechanism of such transcriptional regulation has not been investigated so far. In plants exposed to low-oxygen conditions, ethanol fermentation is transcriptionally controlled by the ethylene response factors-VII (ERF-VIIs), whose stability is controlled in an oxygen-dependent manner by the Cys-Arg branch of the N-degron pathway. In this study, we investigated the role of ERF-VIIs in the regulation of the ethanol fermentation pathway in herbicide-treated Arabidopsis plants grown under aerobic conditions. Our results demonstrate that these transcriptional regulators are stabilized in response to herbicide treatment and are required for ethanol fermentation in these conditions. We also observed that mutants with reduced fermentative potential exhibit higher sensitivity to herbicide treatments, thus revealing the existence of a mechanism that mimics oxygen deprivation to activate metabolic pathways that enhance herbicide tolerance. We speculate that this signaling pathway may represent a potential target in agriculture to affect tolerance to herbicides that inhibit amino acid biosynthesis.
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Affiliation(s)
- Miriam Gil-Monreal
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra, Pamplona, Spain
| | - Beatrice Giuntoli
- Department of Biology, University of Pisa, Via Ghini, Pisa, Italy
- Plantlab, Institute of Life Sciences, Scuola Superiore Sant’Anna, Via Guidiccioni, Pisa, Italy
| | - Ana Zabalza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra, Pamplona, Spain
| | - Francesco Licausi
- Department of Biology, University of Pisa, Via Ghini, Pisa, Italy
- Plantlab, Institute of Life Sciences, Scuola Superiore Sant’Anna, Via Guidiccioni, Pisa, Italy
| | - Mercedes Royuela
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra, Pamplona, Spain
- Correspondence:
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Abdourahime H, Anastassiadou M, Brancato A, Brocca D, Carrasco Cabrera L, De Lentdecker C, Ferreira L, Greco L, Jarrah S, Kardassi D, Leuschner R, Lostia A, Lythgo C, Medina P, Miron I, Molnar T, Nave S, Pedersen R, Raczyk M, Reich H, Ruocco S, Sacchi A, Santos M, Stanek A, Sturma J, Tarazona J, Theobald A, Vagenende B, Verani A, Villamar-Bouza L. Evaluation of confirmatory data following the Article 12 MRL review for imazamox. EFSA J 2019; 17:e05584. [PMID: 32626217 PMCID: PMC7009030 DOI: 10.2903/j.efsa.2019.5584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The applicant BASF SE submitted a request to the competent national authority in France to evaluate the confirmatory data that were identified for imazamox in the framework of the maximum residue level (MRL) review under Article 12 of Regulation (EC) No 396/2005 as not available. To address the data gaps, the applicant submitted new residue trials on rice. Since the number of trials was not sufficient, the data gap was considered only partially addressed. The remaining data gaps related to metabolism studies and analytical enforcement methods have been addressed in the framework of the renewal of the approval for imazamox. New enforcement and risk assessment residue definitions for plant commodities were derived and the toxicological reference values for imazamox were revised. The previous consumer risk assessment was updated using the residue data submitted on rice and the new revised toxicological reference values. No consumer intake concerns were identified. The current reasoned opinion is intended to give risk managers the necessary information to take a decision on the amendment of the tentative MRLs established in the EU MRL legislation. Furthermore, EFSA recommends to review all existing EU MRLs for imazamox, considering the new residue definitions derived in the framework of the peer review.
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Kumar V, Jha P. First report of Ser653Asn mutation endowing high-level resistance to imazamox in downy brome (Bromus tectorum L.). Pest Manag Sci 2017; 73:2585-2591. [PMID: 28734097 DOI: 10.1002/ps.4673] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 07/06/2017] [Accepted: 07/14/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Bromus tectorum L. is one of the most troublesome grass weed species in cropland and non-cropland areas of the northwestern USA. In summer 2016, a B. tectroum accession (R) that survived imazamox at the field-use rate (44 g ha-1 ) in an imidazolinone-tolerant (IMI-tolerant or Clearfield™) winter wheat field was collected from a wheat field in Carter County, MT, USA. The aim of this study was to determine the resistance profile of the B. tectroum R accession to imazamox and other ALS inhibitors, and investigate the mechanism of resistance to imazamox. RESULTS The R B. tectorum accession had a high-level resistance (110.1-fold) to imazamox (IMI) and low to moderate-levels cross-resistance to pyroxsulam (TP) (4.6-fold) and propoxycarbazone (SCT) (13.9-fold). The R accession was susceptible to sulfosulfuron (SU) and quizalofop and clethodim (ACCase inhibitors), paraquat (PS I inhibitor), glyphosate (EPSPS inhibitor) and glufosinate (GS inhibitor). Sequence analysis of the ALS gene revealed a single, target-site Ser653Asn mutation in R plants. Pretreatment of malathion followed by imazamox at 44 or 88 g ha-1 did not reverse the resistance phenotype. CONCLUSION This is the first report of evolution of cross-resistance to ALS-inhibiting herbicides in B. tectorum. A single-point mutation, Ser653Asn, was identified, conferring the high-level resistance to imazamox. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Vipan Kumar
- Montana State University-Bozeman, Department of Research Centers, Southern Agricultural Research Center, Huntley, MT, USA
| | - Prashant Jha
- Montana State University-Bozeman, Department of Research Centers, Southern Agricultural Research Center, Huntley, MT, USA
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8
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Balabanova DA, Paunov M, Goltsev V, Cuypers A, Vangronsveld J, Vassilev A. Photosynthetic Performance of the Imidazolinone Resistant Sunflower Exposed to Single and Combined Treatment by the Herbicide Imazamox and an Amino Acid Extract. Front Plant Sci 2016; 7:1559. [PMID: 27826304 PMCID: PMC5078751 DOI: 10.3389/fpls.2016.01559] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 10/03/2016] [Indexed: 06/06/2023]
Abstract
The herbicide imazamox may provoke temporary yellowing and growth retardation in IMI-R sunflower hybrids, more often under stressful environmental conditions. Although, photosynthetic processes are not the primary sites of imazamox action, they might be influenced; therefore, more information about the photosynthetic performance of the herbicide-treated plants could be valuable for a further improvement of the Clearfield technology. Plant biostimulants have been shown to ameliorate damages caused by different stress factors on plants, but very limited information exists about their effects on herbicide-stressed plants. In order to characterize photosynthetic performance of imazamox-treated sunflower IMI-R plants, we carried out experiments including both single and combined treatments by imazamox and a plant biostimulants containing amino acid extract. We found that imazamox application in a rate of 132 μg per plant (equivalent of 40 g active ingredient ha-1) induced negative effects on both light-light dependent photosynthetic redox reactions and leaf gas exchange processes, which was much less pronounced after the combined application of imazamox and amino acid extract.
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Affiliation(s)
- Dobrinka A. Balabanova
- Department of Plant Physiology and Biochemistry, Agricultural UniversityPlovdiv, Bulgaria
- Centre for Environmental Sciences, Hasselt UniversityDiepenbeek, Belgium
| | - Momchil Paunov
- Department of Biophysics and Radiobiology, Faculty of Biology, Sofia UniversitySofia, Bulgaria
| | - Vasillij Goltsev
- Department of Biophysics and Radiobiology, Faculty of Biology, Sofia UniversitySofia, Bulgaria
| | - Ann Cuypers
- Centre for Environmental Sciences, Hasselt UniversityDiepenbeek, Belgium
| | - Jaco Vangronsveld
- Centre for Environmental Sciences, Hasselt UniversityDiepenbeek, Belgium
| | - Andon Vassilev
- Department of Plant Physiology and Biochemistry, Agricultural UniversityPlovdiv, Bulgaria
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Armendáriz O, Gil-Monreal M, Zulet A, Zabalza A, Royuela M. Both foliar and residual applications of herbicides that inhibit amino acid biosynthesis induce alternative respiration and aerobic fermentation in pea roots. Plant Biol (Stuttg) 2016; 18:382-90. [PMID: 26560850 DOI: 10.1111/plb.12412] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 11/05/2015] [Indexed: 06/05/2023]
Abstract
The objective of this work was to ascertain whether there is a general pattern of carbon allocation and utilisation in plants following herbicide supply, independent of the site of application: sprayed on leaves or supplied to nutrient solution. The herbicides studied were the amino acid biosynthesis-inhibiting herbicides (ABIH): glyphosate, an inhibitor of aromatic amino acid biosynthesis, and imazamox, an inhibitor of branched-chain amino acid biosynthesis. All treated plants showed impaired carbon metabolism; carbohydrate accumulation was detected in both leaves and roots of the treated plants. The accumulation in roots was due to lack of use of available sugars as growth was arrested, which elicited soluble carbohydrate accumulation in the leaves due to a decrease in sink strength. Under aerobic conditions, ethanol fermentative metabolism was enhanced in roots of the treated plants. This fermentative response was not related to a change in total respiration rates or cytochrome respiratory capacity, but an increase in alternative oxidase capacity was detected. Pyruvate accumulation was detected after most of the herbicide treatments. These results demonstrate that both ABIH induce the less-efficient, ATP-producing pathways, namely fermentation and alternative respiration, by increasing the key metabolite, pyruvate. The plant response was similar not only for the two ABIH but also after foliar or residual application.
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Affiliation(s)
- O Armendáriz
- Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Spain
| | - M Gil-Monreal
- Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Spain
| | - A Zulet
- Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Spain
| | - A Zabalza
- Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Spain
| | - M Royuela
- Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Spain
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