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Favorable QTLs from Oryza longistaminata improve rice drought resistance

BACKGROUND: Drought is the major abiotic stress to rice grain production under unpredictable changing climatic environments. Wild rice of O. longistaminata show diverse responses and strong tolerance to stress environments. In order to identify whether the O. longistaminata can improve the rice drou...

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Autores principales: Huang, Shaoying, Liu, Manman, Chen, Gaili, Si, Fengfeng, Fan, Fengfeng, Guo, Yu, Yuan, Lei, Yang, Fang, Li, Shaoqing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8941802/
https://www.ncbi.nlm.nih.gov/pubmed/35321642
http://dx.doi.org/10.1186/s12870-022-03516-w
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author Huang, Shaoying
Liu, Manman
Chen, Gaili
Si, Fengfeng
Fan, Fengfeng
Guo, Yu
Yuan, Lei
Yang, Fang
Li, Shaoqing
author_facet Huang, Shaoying
Liu, Manman
Chen, Gaili
Si, Fengfeng
Fan, Fengfeng
Guo, Yu
Yuan, Lei
Yang, Fang
Li, Shaoqing
author_sort Huang, Shaoying
collection PubMed
description BACKGROUND: Drought is the major abiotic stress to rice grain production under unpredictable changing climatic environments. Wild rice of O. longistaminata show diverse responses and strong tolerance to stress environments. In order to identify whether the O. longistaminata can improve the rice drought resistance or not, a BIL population of 143 BC(2)F(20) lines derived from the cross between the cultivar rice 9311 and O. longistaminata were assessed under stress of 20% PEG6000. RESULTS: In total, 28 QTLs related to drought resistance based on eight agronomic traits of seedlings were identified. Of which, thirteen QTLs including two QTLs for leaf drying, one QTL for leaf rolling, one QTL for leaf number, five QTLs for dry weight of root, two QTLs for dry weight of shoot, one QTL for maximum root length and two QTLs for maximum shoot length were derived from O. longistaminata. What’s more, qDWR8.1 for dry weight of root was repeatedly detected and fine-mapped to an interval about 36.2 Kb. The unique allele of MH08g0242800 annotated as ATP-dependent Clp protease proteolytic subunit from O. longistaminata was suggested as the candidate gene for drought resistance. Further, six representative BIL lines were stably characterized showing significantly stronger drought resistance than 9311 based on principle component analysis, they each contained 2 ~ 5 QTLs including qDWR8.1 from O. longistaminata. CONCLUSIONS: Together, our results indicate that the QTLs from O. longistaminata can effectively enhance the drought tolerance of rice, showing great potential value in breeding of elite rice varieties, which will lay a novel insight into the genetic network for drought tolerance of rice. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12870-022-03516-w.
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spelling pubmed-89418022022-03-24 Favorable QTLs from Oryza longistaminata improve rice drought resistance Huang, Shaoying Liu, Manman Chen, Gaili Si, Fengfeng Fan, Fengfeng Guo, Yu Yuan, Lei Yang, Fang Li, Shaoqing BMC Plant Biol Research BACKGROUND: Drought is the major abiotic stress to rice grain production under unpredictable changing climatic environments. Wild rice of O. longistaminata show diverse responses and strong tolerance to stress environments. In order to identify whether the O. longistaminata can improve the rice drought resistance or not, a BIL population of 143 BC(2)F(20) lines derived from the cross between the cultivar rice 9311 and O. longistaminata were assessed under stress of 20% PEG6000. RESULTS: In total, 28 QTLs related to drought resistance based on eight agronomic traits of seedlings were identified. Of which, thirteen QTLs including two QTLs for leaf drying, one QTL for leaf rolling, one QTL for leaf number, five QTLs for dry weight of root, two QTLs for dry weight of shoot, one QTL for maximum root length and two QTLs for maximum shoot length were derived from O. longistaminata. What’s more, qDWR8.1 for dry weight of root was repeatedly detected and fine-mapped to an interval about 36.2 Kb. The unique allele of MH08g0242800 annotated as ATP-dependent Clp protease proteolytic subunit from O. longistaminata was suggested as the candidate gene for drought resistance. Further, six representative BIL lines were stably characterized showing significantly stronger drought resistance than 9311 based on principle component analysis, they each contained 2 ~ 5 QTLs including qDWR8.1 from O. longistaminata. CONCLUSIONS: Together, our results indicate that the QTLs from O. longistaminata can effectively enhance the drought tolerance of rice, showing great potential value in breeding of elite rice varieties, which will lay a novel insight into the genetic network for drought tolerance of rice. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12870-022-03516-w. BioMed Central 2022-03-23 /pmc/articles/PMC8941802/ /pubmed/35321642 http://dx.doi.org/10.1186/s12870-022-03516-w Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research
Huang, Shaoying
Liu, Manman
Chen, Gaili
Si, Fengfeng
Fan, Fengfeng
Guo, Yu
Yuan, Lei
Yang, Fang
Li, Shaoqing
Favorable QTLs from Oryza longistaminata improve rice drought resistance
title Favorable QTLs from Oryza longistaminata improve rice drought resistance
title_full Favorable QTLs from Oryza longistaminata improve rice drought resistance
title_fullStr Favorable QTLs from Oryza longistaminata improve rice drought resistance
title_full_unstemmed Favorable QTLs from Oryza longistaminata improve rice drought resistance
title_short Favorable QTLs from Oryza longistaminata improve rice drought resistance
title_sort favorable qtls from oryza longistaminata improve rice drought resistance
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8941802/
https://www.ncbi.nlm.nih.gov/pubmed/35321642
http://dx.doi.org/10.1186/s12870-022-03516-w
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