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Research Article

Diversity in Endophyte Populations Reveals Functional and Taxonomic Diversity between Wild and Domesticated Grapevines

Andrea Campisano, Michael Pancher, Gerardo Puopolo, Antonio Puddu, Sebastiàn Lòpez-Fernàndez, Barbara Biagini, Sohail Yousaf, Ilaria Pertot
Am J Enol Vitic. February 2015 66: 12-21; published ahead of print October 30, 2014 ; DOI: 10.5344/ajev.2014.14046
Andrea Campisano
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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  • For correspondence: andrea.campisano@fmach.it
Michael Pancher
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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Gerardo Puopolo
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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Antonio Puddu
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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Sebastiàn Lòpez-Fernàndez
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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Barbara Biagini
2Dipartimento di Produzione Vegetale, Facoltà di Agraria, University of Milan, via Celoria 2, I-20133 Milano, Italy
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Sohail Yousaf
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
3Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.
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Ilaria Pertot
1Sustainable Agro-ecosystems and Bioresources Department, IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, (TN), Italy
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Abstract

Endophytes hold great potential for implementing a more sustainable, bio-based agriculture. Here we investigated the differences among populations of endophytic bacteria isolated from wild and domesticated grapevines to improve our understanding of how agriculture and agro-environment affect endophytic communities. Bacterial isolates from 88 wild and domesticated grapevines that shared the same climate for at least four years were identified and a representative set of 155 strains was characterized for 30 features, including quorum sensing-related, enzyme production, antibiotic resistance, plant growth promotion (PGP), and biocontrol (BiCo) traits. Microbial diversity was greater in wild grapevines (25 genera) than in domesticated grapevines (six genera). Molecular fingerprinting by automated ribosomal intergenic spacer analysis also indicated a greater diversity in wild grapevines. Multivariate analysis of phenotypic traits indicated that strains isolated from wild and cultivated plants often formed distinct clusters, even when they belonged to the same genus. Interestingly, endophytes from domesticated grapevines were more likely to perform well in PGP and BiCo tests than endophytes from wild grapevines, suggesting that the decreased taxonomic diversity in domesticated grapevine microbiota did not correspond to a loss of agriculturally relevant traits.

  • endophytes
  • grapevine
  • domestication
  • plant growth promotion
  • biocontrol
  • quorum sensing
  • ©2015 by the American Society for Enology and Viticulture
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Diversity in Endophyte Populations Reveals Functional and Taxonomic Diversity between Wild and Domesticated Grapevines
Andrea Campisano, Michael Pancher, Gerardo Puopolo, Antonio Puddu, Sebastiàn Lòpez-Fernàndez, Barbara Biagini, Sohail Yousaf, Ilaria Pertot
Am J Enol Vitic.  February 2015  66: 12-21;  published ahead of print October 30, 2014 ; DOI: 10.5344/ajev.2014.14046

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Diversity in Endophyte Populations Reveals Functional and Taxonomic Diversity between Wild and Domesticated Grapevines
Andrea Campisano, Michael Pancher, Gerardo Puopolo, Antonio Puddu, Sebastiàn Lòpez-Fernàndez, Barbara Biagini, Sohail Yousaf, Ilaria Pertot
Am J Enol Vitic.  February 2015  66: 12-21;  published ahead of print October 30, 2014 ; DOI: 10.5344/ajev.2014.14046
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