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Hormetic and xenohormetic potential in the phytobiome of the center of origin

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Abstract

A center of origin of cultivated species defined as the geographical area where a particular species originated or differentiated from another and began its domestication process. The interactions between the different factors (climate, soil, macro, and micro-organisms) present in the centers of origin have allowed the selection of specific phenotypic characteristics propitiating the adaptation of the species according to their hormetic potential. Most studies carried out in the centers of origin has been geared towards the genetic part, the search for accessions with resistance to pests and diseases, yield and agronomic attributes. New approaches such as the phytobiome study that considers the complex network of interactions inside and outside the plant combined with the use of accession search methods such as focused identification of germplasm strategy have demonstrated their potential in crop improvement. These approaches have allowed establishing relationships between the environment, specific geographic areas, and characteristics of resistance, particularly of native breeds and wild relatives of crop plants. The study of the biotic and abiotic factors present in these sites and their application to the management of hormesis will improve the agronomic characteristics of the species and their potential for xenohormesis. The objective of this work is to share some reflections about the potential that the xenohormetic vision of the centers of origin can provide in terms of the improvement of agronomic characteristics in general and the functional features of the food obtained from the crops.

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Acknowledgements

Israel Macias-Bobadilla acknowledges CONACYT.

Funding

ITP and RGGG thank to Ciencia Básica 2018 (SEP-CONACYT A1-S-33677) and Ciencia Básica 2016 (SEP-CONACYT 283259) respectively.

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Correspondence to Irineo Torres-Pacheco.

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Macias-Bobadilla, I., Vargas-Hernandez, M., Guevara-Gonzalez, R.G. et al. Hormetic and xenohormetic potential in the phytobiome of the center of origin. Genet Resour Crop Evol 67, 1331–1344 (2020). https://doi.org/10.1007/s10722-020-00912-9

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  • DOI: https://doi.org/10.1007/s10722-020-00912-9

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