Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement

Cultivated Arabica coffee outside Ethiopia is plagued by low genetic diversity, compromising disease resistance, climate resiliency and sensory potential. Access to the wider genetic diversity of this species may circumvent some of these problems. In addition to Ethiopia, South Sudan has been postul...

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Autores principales:	Sarada Krishnan, Solene Pruvot-Woehl, Aaron P. Davis, Tim Schilling, Justin Moat, William Solano, Amin Al Hakimi, Christophe Montagnon
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	Boma Plateau center of origin coffee conservation genetic diversity simple sequence repeats (SSR) Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456
Acceso en línea:	https://doaj.org/article/be2f83dcdcee4644888e3d940687536d
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spelling	oai:doaj.org-article:be2f83dcdcee4644888e3d940687536d2021-11-11T09:52:52ZValidating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement2571-581X10.3389/fsufs.2021.761611https://doaj.org/article/be2f83dcdcee4644888e3d940687536d2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fsufs.2021.761611/fullhttps://doaj.org/toc/2571-581XCultivated Arabica coffee outside Ethiopia is plagued by low genetic diversity, compromising disease resistance, climate resiliency and sensory potential. Access to the wider genetic diversity of this species may circumvent some of these problems. In addition to Ethiopia, South Sudan has been postulated as a center of origin for Arabica coffee, but this has never been genetically confirmed. We used simple sequence repeat (SSR) markers to assess the genetic diversity of wild and cultivated populations of Arabica coffee from the Boma Plateau in South Sudan, against farmed accessions (of wild origin) from Ethiopia, Yemen, and global cultivars. Our results not only validate Boma Plateau as part of the natural distribution and as a center of origin for Arabica coffee but also indicate that wild populations in South Sudan are genetically distinct from Ethiopian Arabica. This newly identified genetic diversity within Arabica could have the potential for crop improvement through selection and use in breeding programs. Observations and analyses show that the extent and health of the wild population of Arabica in South Sudan have declined. Urgent action should be taken to conserve (in situ and ex situ) the unique, remaining genetic diversity of wild Arabica populations in South Sudan.Sarada KrishnanSolene Pruvot-WoehlAaron P. DavisTim SchillingJustin MoatWilliam SolanoAmin Al HakimiChristophe MontagnonFrontiers Media S.A.articleBoma Plateaucenter of origincoffeeconservationgenetic diversitysimple sequence repeats (SSR)Nutrition. Foods and food supplyTX341-641Food processing and manufactureTP368-456ENFrontiers in Sustainable Food Systems, Vol 5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Boma Plateau center of origin coffee conservation genetic diversity simple sequence repeats (SSR) Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456
spellingShingle	Boma Plateau center of origin coffee conservation genetic diversity simple sequence repeats (SSR) Nutrition. Foods and food supply TX341-641 Food processing and manufacture TP368-456 Sarada Krishnan Solene Pruvot-Woehl Aaron P. Davis Tim Schilling Justin Moat William Solano Amin Al Hakimi Christophe Montagnon Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
description	Cultivated Arabica coffee outside Ethiopia is plagued by low genetic diversity, compromising disease resistance, climate resiliency and sensory potential. Access to the wider genetic diversity of this species may circumvent some of these problems. In addition to Ethiopia, South Sudan has been postulated as a center of origin for Arabica coffee, but this has never been genetically confirmed. We used simple sequence repeat (SSR) markers to assess the genetic diversity of wild and cultivated populations of Arabica coffee from the Boma Plateau in South Sudan, against farmed accessions (of wild origin) from Ethiopia, Yemen, and global cultivars. Our results not only validate Boma Plateau as part of the natural distribution and as a center of origin for Arabica coffee but also indicate that wild populations in South Sudan are genetically distinct from Ethiopian Arabica. This newly identified genetic diversity within Arabica could have the potential for crop improvement through selection and use in breeding programs. Observations and analyses show that the extent and health of the wild population of Arabica in South Sudan have declined. Urgent action should be taken to conserve (in situ and ex situ) the unique, remaining genetic diversity of wild Arabica populations in South Sudan.
format	article
author	Sarada Krishnan Solene Pruvot-Woehl Aaron P. Davis Tim Schilling Justin Moat William Solano Amin Al Hakimi Christophe Montagnon
author_facet	Sarada Krishnan Solene Pruvot-Woehl Aaron P. Davis Tim Schilling Justin Moat William Solano Amin Al Hakimi Christophe Montagnon
author_sort	Sarada Krishnan
title	Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
title_short	Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
title_full	Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
title_fullStr	Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
title_full_unstemmed	Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement
title_sort	validating south sudan as a center of origin for coffea arabica: implications for conservation and coffee crop improvement
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/be2f83dcdcee4644888e3d940687536d
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Validating South Sudan as a Center of Origin for Coffea arabica: Implications for Conservation and Coffee Crop Improvement

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