Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper

Abstract The Solanaceae family includes commercially important vegetable crops characterized by their relative sensitivity to salinity. Evaluation of 8 eggplant (Solanum melongena), 7 tomato (Solanum lycopersicum), and 8 pepper (Capsicum spp.) heirloom cultivars from different geographic regions rev...

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Autores principales:	Donald L. Suarez, Nydia Celis, Jorge F. S. Ferreira, Trevor Reynolds, Devinder Sandhu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/06592a9f4ccc4b06ac40442f1b3888d1
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spelling	oai:doaj.org-article:06592a9f4ccc4b06ac40442f1b3888d12021-12-02T16:27:45ZLinking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper10.1038/s41598-021-95506-52045-2322https://doaj.org/article/06592a9f4ccc4b06ac40442f1b3888d12021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95506-5https://doaj.org/toc/2045-2322Abstract The Solanaceae family includes commercially important vegetable crops characterized by their relative sensitivity to salinity. Evaluation of 8 eggplant (Solanum melongena), 7 tomato (Solanum lycopersicum), and 8 pepper (Capsicum spp.) heirloom cultivars from different geographic regions revealed significant variation in salt tolerance. Relative fruit yield under salt treatment varied from 52 to 114% for eggplant, 56 to 84% for tomato, and 52 to 99% for pepper. Cultivars from all three crops, except Habanero peppers, restricted Na transport from roots to shoots under salinity. The high salt tolerance level showed a strong association with low leaf Na concentration. Additionally, the leaf K-salinity/K-control ratio was critical in determining the salinity tolerance of a genotype. Differences in relative yield under salinity were regulated by several component traits, which was consistent with the gene expression of relevant genes. Gene expression analyses using 12 genes associated with salt tolerance showed that, for eggplant and pepper, Na+ exclusion was a vital component trait, while sequestration of Na+ into vacuoles was critical for tomato plants. The high variability for salt tolerance found in heirloom cultivars helped characterize genotypes based on component traits of salt tolerance and will enable breeders to increase the salt tolerance of Solanaceae cultivars.Donald L. SuarezNydia CelisJorge F. S. FerreiraTrevor ReynoldsDevinder SandhuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Donald L. Suarez Nydia Celis Jorge F. S. Ferreira Trevor Reynolds Devinder Sandhu Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
description	Abstract The Solanaceae family includes commercially important vegetable crops characterized by their relative sensitivity to salinity. Evaluation of 8 eggplant (Solanum melongena), 7 tomato (Solanum lycopersicum), and 8 pepper (Capsicum spp.) heirloom cultivars from different geographic regions revealed significant variation in salt tolerance. Relative fruit yield under salt treatment varied from 52 to 114% for eggplant, 56 to 84% for tomato, and 52 to 99% for pepper. Cultivars from all three crops, except Habanero peppers, restricted Na transport from roots to shoots under salinity. The high salt tolerance level showed a strong association with low leaf Na concentration. Additionally, the leaf K-salinity/K-control ratio was critical in determining the salinity tolerance of a genotype. Differences in relative yield under salinity were regulated by several component traits, which was consistent with the gene expression of relevant genes. Gene expression analyses using 12 genes associated with salt tolerance showed that, for eggplant and pepper, Na+ exclusion was a vital component trait, while sequestration of Na+ into vacuoles was critical for tomato plants. The high variability for salt tolerance found in heirloom cultivars helped characterize genotypes based on component traits of salt tolerance and will enable breeders to increase the salt tolerance of Solanaceae cultivars.
format	article
author	Donald L. Suarez Nydia Celis Jorge F. S. Ferreira Trevor Reynolds Devinder Sandhu
author_facet	Donald L. Suarez Nydia Celis Jorge F. S. Ferreira Trevor Reynolds Devinder Sandhu
author_sort	Donald L. Suarez
title	Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
title_short	Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
title_full	Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
title_fullStr	Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
title_full_unstemmed	Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
title_sort	linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/06592a9f4ccc4b06ac40442f1b3888d1
work_keys_str_mv	AT donaldlsuarez linkinggeneticdeterminantswithsalinitytoleranceandionrelationshipsineggplanttomatoandpepper AT nydiacelis linkinggeneticdeterminantswithsalinitytoleranceandionrelationshipsineggplanttomatoandpepper AT jorgefsferreira linkinggeneticdeterminantswithsalinitytoleranceandionrelationshipsineggplanttomatoandpepper AT trevorreynolds linkinggeneticdeterminantswithsalinitytoleranceandionrelationshipsineggplanttomatoandpepper AT devindersandhu linkinggeneticdeterminantswithsalinitytoleranceandionrelationshipsineggplanttomatoandpepper
_version_	1718383973105664000

Linking genetic determinants with salinity tolerance and ion relationships in eggplant, tomato and pepper

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