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Salicylic acid content and benzoic acid 2-hydroxylase (BA2H) activity were investigated in tobacco Bel-W3 and Bel-B leaves after exposure to tropospheric ozone in the conditions of ambient air. Plants were exposed in accordance with a standard methodology for ozone biomonitoring, in a three-year experiment. Free salicylic acid (SA), conjugated with glucose (SAG), and as a product of the BA2H activity was quantified with HPLC. In order to evaluate ozone injuries of leaves, an open source image analysis software was employed. Plants exposure to ambient ozone resulted in enhanced BA2H activity and intensified salicylic acid biosynthesis in leaves of Bel-W3 cultivar showing visible ozone injuries. The BA2H activity significantly correlated with SAG for ozone-exposed Bel-W3 plants. Both injuries and salicylic acid biosynthesis rate depended on the growth phase of leaves and nearly linear correlation between SA content and injuries was found for particular leaves of Bel-W3.

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Community Ecology
Authors: S. Feranchuk, N. Belkova, U. Potapova, I. Ochirov, D. Kuzmin, and S. Belikov

, Z.Z. Xu , F. Mahe , Y. He , H.W. Zhou , T. Rognes , J.G. Caporaso and R. Knight . 2016 . Open-source sequence clustering methods improve the state of the art . mSystems 1 ( 1 ):pii: e00003 – 15

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Psychophysiology 2002 39 869 873 Delorme, A., Makeig, S. (2004) EEGLAB: an open source toolbox for

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: open-source, platformindependent, community-supported software for describing and comparing microbial communities . Appl Environ Microbiol 75 , 7537 – 7541 ( 2009 ) 26

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Acta Biologica Hungarica
Authors: Károly Elekes, László Hiripi, Gábor Balog, Gábor Maász, Izabella Battonyai, Marina Yu. Khabarova, Réka Horváth, and Elena E. Voronezhskaya

. ( 2012 ) Fiji: an open-source platform for biological-image analysis . Nat. Methods 9 , 676 – 682 . 47. Selverstone , I. , Moulins , M. ( 1987 ) The crustacean

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System . Open Source Geospatial Foundation Project . Rijnsdorp , A. , S. Daan and C. Dijkstra . 1981 . Hunting in the Kestrel, Falco tinnunculus , and the adaptive significance of

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data . – Genetics 155 ( 2 ): 945 – 959 . https://doi.org/10.1111 /j.1471-8286.2007.01758.x QGIS Development Team ( 2015 ): QGIS Geographic Information System. Open Source Geospatial Foundation Project . – Available online at: http

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. QGIS Development Team . 2016 . QGIS geographic information system 2.14.3 . Open Source Geospatial Foundation Project , URL http

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Geographic Information System . Open Source Geospatial Foundation Project . Available in: http://qgis.osgeo.org . Radosavljevic , A. , R.P. Anderson . 2014 . Making better MAXENT models

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European Journal of Microbiology and Immunology
Authors: Markus Krohn, Thomas Wanek, Marie-Claude Menet, Andreas Noack, Xavier Declèves, Oliver Langer, Wolfgang Löscher, and Jens Pahnke

Tomazela , DM Shulman , N Chambers , M Finney , GL Frewen , B , Skyline: an open source document editor for creating

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