Arbuscular mycorrhizal fungal association in genetically modified drought-tolerant corn

The commercial use of genetically modified (GM) plants has significantly increased worldwide. The interactions between GM plants and arbuscular mycorrhizal (AM) fungi are of considerable importance given the agricultural and ecological role of AM and the lack of knowledge regarding potential effects...

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Autor principal: Colombo, R.P
Otros Autores: Ibarra, J.G, Bidondo, L.F, Silvani, V.A, Bompadre, M.J, Pergola, M., López, N.I, Godeas, A.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: ASA/CSSA/SSSA 2017
Acceso en línea:Registro en Scopus
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100 1 |a Colombo, R.P. 
245 1 0 |a Arbuscular mycorrhizal fungal association in genetically modified drought-tolerant corn 
260 |b ASA/CSSA/SSSA  |c 2017 
270 1 0 |m Colombo, R.P.; Dep. de Biodiversidad y Biología Experimental, FCEN, Univ. de Buenos Aires, IBBEA-CONICETArgentina; email: colomboroxanap@gmail.com 
506 |2 openaire  |e Política editorial 
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504 |a Liu, W., Do genetically modified plants impact arbuscular mycorrhizal fungi? (2010) Ecotoxicology, 19, pp. 229-238 
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504 |a Manavella, P.A., Arce, A.L., Dezar, C.A., Bitton, F., Renou, J.P., Crespi, M., Chan, R.L., Cross-talk between ethylene and drought signaling pathways is mediated by the sunflower Hahb-4 transcription factor (2006) Plant J, 48, pp. 125-137 
504 |a Manavella, P.A., Dezar, C.A., Bonaventure, G., Baldwin, I.T., Chan, R.L., HAHB4, a sunflower HD-Zip protein, integrates signals from the jasmonic acid and ethylene pathways during wounding and biotic stress responses (2008) Plant J, 56 (3), pp. 376-388 
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504 |a Turrini, A., Sbrana, C., Nuti, M.P., Pietrangeli, B., Giovannetti, M., Development of a model system to assess the impact of genetically modified corn and eggplant on arbuscular mycorrhizal fungi (2005) Plant Soil, 266, pp. 69-75 
504 |a Turrini, A., Sbrana, C., Giovanetti, M., Belowground environmental effects of transgenic crops: A soil microbial perspective (2015) Res. Microbiol, 166, pp. 121-131 
504 |a Vierheiling, H., Alt, M., Lange, J., Gut-Rella, M., Wiemken, A., Boller, T., Colonization of transgenic tobacco constitutively expressing pathogenesisrelated proteins by vesicular-arbuscular mycorrhizal fungus Glomus mosseae (1995) Appl. Environ. Microbiol, 61, pp. 3031-3034 
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520 3 |a The commercial use of genetically modified (GM) plants has significantly increased worldwide. The interactions between GM plants and arbuscular mycorrhizal (AM) fungi are of considerable importance given the agricultural and ecological role of AM and the lack of knowledge regarding potential effects of droughttolerant GM corn (Zea mays L.) on AM fungal symbiosis. This work studied AM fungal colonization in five corn lines growing under two different irrigation regimes (30 and 100% of soil field capacity [SFC]). Four of the lines were GM corn, and two of these were drought tolerant. The experiment was conducted for 60 d in a growth chamber under constant irrigation, after which mycorrhization, corn biomass, and days to plant senescence (DTS) were evaluated. Arbuscular mycorrhizal fungal species of the order Diversisporales were predominant in the soil inocula. At the end of the experiment, all plants showed AM colonization. Mycorrhization was higher at 30% SFC than at 100% SFC. Within the same corn line, the AM fungi produced more vesicles in plant roots under drought stress. Among treatments, DTS varied significantly, and droughttolerant GM corn lines survived longer than the wild-type corn when maintained at 100% SFC. Corn biomass did not vary among treatments, and no correlations were found between DTS or biomass and mycorrhization. We conclude that overexpression of the Hahb-4 gene in corn plants under the experimental conditions of this study did not affect AM fungal infectivity and improved the tolerance of the corn to drought stress. © American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. 5585 Guilford Rd., Madison, WI 53711 USA. All rights reserved.  |l eng 
593 |a Dep. de Biodiversidad y Biología Experimental, FCEN, Univ. de Buenos Aires, IBBEA-CONICET, Argentina 
593 |a Dep. de Química Biológica, FCEN, Univ. de Buenos Aires, IQUIBICEN-CONICET, Argentina 
593 |a Dep. de Ciencia y Tecnología, Univ. Nacional de Quilmes, Argentina 
690 1 0 |a BIOMASS 
690 1 0 |a DROUGHT 
690 1 0 |a ECOLOGY 
690 1 0 |a FUNGI 
690 1 0 |a IRRIGATION 
690 1 0 |a ARBUSCULAR MYCORRHIZAL 
690 1 0 |a ARBUSCULAR MYCORRHIZAL FUNGI 
690 1 0 |a CORN (ZEA MAYS L.) 
690 1 0 |a EXPERIMENTAL CONDITIONS 
690 1 0 |a FUNGAL COLONIZATION 
690 1 0 |a GENETICALLY MODIFIED 
690 1 0 |a IRRIGATION REGIMES 
690 1 0 |a POTENTIAL EFFECTS 
690 1 0 |a GENETICALLY MODIFIED PLANTS 
690 1 0 |a ETHYLENE 
690 1 0 |a TRANSCRIPTION FACTOR 
690 1 0 |a ARTICLE 
690 1 0 |a BIOMASS 
690 1 0 |a DIVERSISPORALES 
690 1 0 |a DROUGHT STRESS 
690 1 0 |a DROUGHT TOLERANCE 
690 1 0 |a ENVIRONMENTAL STRESS 
690 1 0 |a FUNGAL COLONIZATION 
690 1 0 |a FUNGUS 
690 1 0 |a MAIZE 
690 1 0 |a NONHUMAN 
690 1 0 |a PHENOTYPE 
690 1 0 |a PLANT ROOT 
690 1 0 |a SENESCENCE 
690 1 0 |a SOIL INOCULATION 
690 1 0 |a SYMBIOSIS 
690 1 0 |a TRANSGENIC PLANT 
690 1 0 |a DROUGHT 
690 1 0 |a GENETICS 
690 1 0 |a MAIZE 
690 1 0 |a MYCORRHIZA 
690 1 0 |a BIOMASS 
690 1 0 |a DROUGHTS 
690 1 0 |a MYCORRHIZAE 
690 1 0 |a PLANT ROOTS 
690 1 0 |a PLANTS, GENETICALLY MODIFIED 
690 1 0 |a SYMBIOSIS 
690 1 0 |a ZEA MAYS 
700 1 |a Ibarra, J.G. 
700 1 |a Bidondo, L.F. 
700 1 |a Silvani, V.A. 
700 1 |a Bompadre, M.J. 
700 1 |a Pergola, M. 
700 1 |a López, N.I. 
700 1 |a Godeas, A.M. 
773 0 |d ASA/CSSA/SSSA, 2017  |g v. 46  |h pp. 227-231  |k n. 1  |p J. Environ. Qual.  |x 00472425  |t Journal of Environmental Quality 
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