Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.

Farmland is on the decline and worldwide food security is at risk. Rice is the staple of choice for over half the Earth's people. To sustain current demands and ascertain a food secure future, substandard farmland affected by abiotic stresses must be utilized. For rapid crop improvement, a broa...

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Autores principales:	Md Nafis Ul Alam, G M Nurnabi Azad Jewel, Tomalika Azim, Zeba I Seraj
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2332cf92ce8341108a1f3c5b3a8e41e3
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spelling	oai:doaj.org-article:2332cf92ce8341108a1f3c5b3a8e41e32021-12-02T20:06:05ZNovel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.1932-620310.1371/journal.pone.0259456https://doaj.org/article/2332cf92ce8341108a1f3c5b3a8e41e32021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259456https://doaj.org/toc/1932-6203Farmland is on the decline and worldwide food security is at risk. Rice is the staple of choice for over half the Earth's people. To sustain current demands and ascertain a food secure future, substandard farmland affected by abiotic stresses must be utilized. For rapid crop improvement, a broader understanding of polygenic traits like stress tolerance and crop yield is indispensable. To this end, the hidden diversity of resilient and neglected wild varieties must be traced back to their genetic roots. In this study, we separately assayed 11 phenotypes in a panel of 176 diverse accessions predominantly comprised of local landraces from Bangladesh. We compiled high resolution sequence data for these accessions. We collectively studied the ties between the observed phenotypic differences and the examined additive genetic effects underlying these variations. We applied a fixed effect model to associate phenotypes with genotypes on a genomic scale. Discovered QTLs were mapped to known genes. Our explorations yielded 13 QTLs related to various traits in multiple trait classes. 10 identified QTLs were equivalent to findings from previous studies. Integrative analysis assumes potential novel functionality for a number of candidate genes. These findings will usher novel avenues for the bioengineering of high yielding crops of the future fortified with genetic defenses against abiotic stressors.Md Nafis Ul AlamG M Nurnabi Azad JewelTomalika AzimZeba I SerajPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259456 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Md Nafis Ul Alam G M Nurnabi Azad Jewel Tomalika Azim Zeba I Seraj Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
description	Farmland is on the decline and worldwide food security is at risk. Rice is the staple of choice for over half the Earth's people. To sustain current demands and ascertain a food secure future, substandard farmland affected by abiotic stresses must be utilized. For rapid crop improvement, a broader understanding of polygenic traits like stress tolerance and crop yield is indispensable. To this end, the hidden diversity of resilient and neglected wild varieties must be traced back to their genetic roots. In this study, we separately assayed 11 phenotypes in a panel of 176 diverse accessions predominantly comprised of local landraces from Bangladesh. We compiled high resolution sequence data for these accessions. We collectively studied the ties between the observed phenotypic differences and the examined additive genetic effects underlying these variations. We applied a fixed effect model to associate phenotypes with genotypes on a genomic scale. Discovered QTLs were mapped to known genes. Our explorations yielded 13 QTLs related to various traits in multiple trait classes. 10 identified QTLs were equivalent to findings from previous studies. Integrative analysis assumes potential novel functionality for a number of candidate genes. These findings will usher novel avenues for the bioengineering of high yielding crops of the future fortified with genetic defenses against abiotic stressors.
format	article
author	Md Nafis Ul Alam G M Nurnabi Azad Jewel Tomalika Azim Zeba I Seraj
author_facet	Md Nafis Ul Alam G M Nurnabi Azad Jewel Tomalika Azim Zeba I Seraj
author_sort	Md Nafis Ul Alam
title	Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
title_short	Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
title_full	Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
title_fullStr	Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
title_full_unstemmed	Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.
title_sort	novel qtls for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from bangladesh.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2332cf92ce8341108a1f3c5b3a8e41e3
work_keys_str_mv	AT mdnafisulalam novelqtlsforsalinitytolerancerevealedbygenomewideassociationstudiesofbiomasschlorophyllandtissueioncontentin176ricelandracesfrombangladesh AT gmnurnabiazadjewel novelqtlsforsalinitytolerancerevealedbygenomewideassociationstudiesofbiomasschlorophyllandtissueioncontentin176ricelandracesfrombangladesh AT tomalikaazim novelqtlsforsalinitytolerancerevealedbygenomewideassociationstudiesofbiomasschlorophyllandtissueioncontentin176ricelandracesfrombangladesh AT zebaiseraj novelqtlsforsalinitytolerancerevealedbygenomewideassociationstudiesofbiomasschlorophyllandtissueioncontentin176ricelandracesfrombangladesh
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Novel QTLs for salinity tolerance revealed by genome-wide association studies of biomass, chlorophyll and tissue ion content in 176 rice landraces from Bangladesh.

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