Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles
Sesame provides one of the most nutritious and healthy vegetable oils, sparking an increasing demand of its seeds. However, with the low yield and productivity of sesame, there is still a huge gap between the seed demand and supply. Improving the root system has a high potential to increase crop productivity, but information on the diversity of the sesame root systems is still lacking. In this study, 40 diverse sesame varieties were grown in soil and hydroponics systems and the diversity of the root system was investigated. The results showed that sesame holds a large root morphological and anatomical diversity, which can be harnessed in breeding programmes. Based on the clustering of the genotypes in hydroponics and soil culture systems, we found that similar genotypes were commonly clustered either in the small-root or in the big-root group, indicating that the hydroponics system can be employed for a large-scale root phenotyping. Our results further revealed that the root biomass positively contributes to increased seed yield in sesame, based on multi-environmental trials. By comparing the root transcriptome of two contrasting genotypes, 2897 differentially expressed genes were detected and they were enriched in phenylpropanoid biosynthesis, starch and sucrose metabolism, stilbenoid, diarylheptanoid and gingerol biosynthesis, flavonoid biosynthesis, suggesting that these pathways are crucial for sesame root growth and development. Overall, this study sheds light on the diversity of sesame root system and offers the basis for improving root traits and increasing sesame seed yield.
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dig-cirad-fr-6082692024-02-13T05:32:19Z http://agritrop.cirad.fr/608269/ http://agritrop.cirad.fr/608269/ Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles. Su Ruqi, Zhou Rong, Mmadi Marie Ali, Li Donghua, Qin Lu, Liu Aili, Wang Jiankang, Gao Yuan, Wei Mengyuan, Shi Lisong, Wu Ziming, You Jun, Zhang Xiurong, Dossa Komivi. 2019. Planta, 250 : 1461-1474.https://doi.org/10.1007/s00425-019-03242-y <https://doi.org/10.1007/s00425-019-03242-y> Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles Su, Ruqi Zhou, Rong Mmadi, Marie Ali Li, Donghua Qin, Lu Liu, Aili Wang, Jiankang Gao, Yuan Wei, Mengyuan Shi, Lisong Wu, Ziming You, Jun Zhang, Xiurong Dossa, Komivi eng 2019 Planta système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 Chine http://aims.fao.org/aos/agrovoc/c_1556 Sesame provides one of the most nutritious and healthy vegetable oils, sparking an increasing demand of its seeds. However, with the low yield and productivity of sesame, there is still a huge gap between the seed demand and supply. Improving the root system has a high potential to increase crop productivity, but information on the diversity of the sesame root systems is still lacking. In this study, 40 diverse sesame varieties were grown in soil and hydroponics systems and the diversity of the root system was investigated. The results showed that sesame holds a large root morphological and anatomical diversity, which can be harnessed in breeding programmes. Based on the clustering of the genotypes in hydroponics and soil culture systems, we found that similar genotypes were commonly clustered either in the small-root or in the big-root group, indicating that the hydroponics system can be employed for a large-scale root phenotyping. Our results further revealed that the root biomass positively contributes to increased seed yield in sesame, based on multi-environmental trials. By comparing the root transcriptome of two contrasting genotypes, 2897 differentially expressed genes were detected and they were enriched in phenylpropanoid biosynthesis, starch and sucrose metabolism, stilbenoid, diarylheptanoid and gingerol biosynthesis, flavonoid biosynthesis, suggesting that these pathways are crucial for sesame root growth and development. Overall, this study sheds light on the diversity of sesame root system and offers the basis for improving root traits and increasing sesame seed yield. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/608269/1/s00425-019-03242-y.pdf text cc_by info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.1007/s00425-019-03242-y 10.1007/s00425-019-03242-y info:eu-repo/semantics/altIdentifier/doi/10.1007/s00425-019-03242-y info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s00425-019-03242-y info:eu-repo/semantics/dataset/purl/https://www.ncbi.nlm.nih.gov/bioproject/PRJNA552167 |
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Biblioteca del CIRAD Francia |
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système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_1556 système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_1556 |
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système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_1556 système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_1556 Su, Ruqi Zhou, Rong Mmadi, Marie Ali Li, Donghua Qin, Lu Liu, Aili Wang, Jiankang Gao, Yuan Wei, Mengyuan Shi, Lisong Wu, Ziming You, Jun Zhang, Xiurong Dossa, Komivi Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
description |
Sesame provides one of the most nutritious and healthy vegetable oils, sparking an increasing demand of its seeds. However, with the low yield and productivity of sesame, there is still a huge gap between the seed demand and supply. Improving the root system has a high potential to increase crop productivity, but information on the diversity of the sesame root systems is still lacking. In this study, 40 diverse sesame varieties were grown in soil and hydroponics systems and the diversity of the root system was investigated. The results showed that sesame holds a large root morphological and anatomical diversity, which can be harnessed in breeding programmes. Based on the clustering of the genotypes in hydroponics and soil culture systems, we found that similar genotypes were commonly clustered either in the small-root or in the big-root group, indicating that the hydroponics system can be employed for a large-scale root phenotyping. Our results further revealed that the root biomass positively contributes to increased seed yield in sesame, based on multi-environmental trials. By comparing the root transcriptome of two contrasting genotypes, 2897 differentially expressed genes were detected and they were enriched in phenylpropanoid biosynthesis, starch and sucrose metabolism, stilbenoid, diarylheptanoid and gingerol biosynthesis, flavonoid biosynthesis, suggesting that these pathways are crucial for sesame root growth and development. Overall, this study sheds light on the diversity of sesame root system and offers the basis for improving root traits and increasing sesame seed yield. |
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article |
topic_facet |
système racinaire Sesamum indicum amélioration des plantes expression des gènes génotype rendement des cultures racine légume racine phénotype croissance Transcription génique rhizosphère résistance à la sécheresse sélection http://aims.fao.org/aos/agrovoc/c_16034 http://aims.fao.org/aos/agrovoc/c_6992 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3225 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_6651 http://aims.fao.org/aos/agrovoc/c_6647 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_2392 http://aims.fao.org/aos/agrovoc/c_6951 http://aims.fao.org/aos/agrovoc/c_1556 |
author |
Su, Ruqi Zhou, Rong Mmadi, Marie Ali Li, Donghua Qin, Lu Liu, Aili Wang, Jiankang Gao, Yuan Wei, Mengyuan Shi, Lisong Wu, Ziming You, Jun Zhang, Xiurong Dossa, Komivi |
author_facet |
Su, Ruqi Zhou, Rong Mmadi, Marie Ali Li, Donghua Qin, Lu Liu, Aili Wang, Jiankang Gao, Yuan Wei, Mengyuan Shi, Lisong Wu, Ziming You, Jun Zhang, Xiurong Dossa, Komivi |
author_sort |
Su, Ruqi |
title |
Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
title_short |
Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
title_full |
Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
title_fullStr |
Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
title_full_unstemmed |
Root diversity in sesame (Sesamum indicum L.): insights into the morphological, anatomical and gene expression profiles |
title_sort |
root diversity in sesame (sesamum indicum l.): insights into the morphological, anatomical and gene expression profiles |
url |
http://agritrop.cirad.fr/608269/ http://agritrop.cirad.fr/608269/1/s00425-019-03242-y.pdf |
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