Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert
Survival in desert ecosystems poses significant challenges for plants due to harsh conditions. Plant microbiomes are thought to promote resilience; however, whether plant hormones, specifically strigolactones (SLs) and karrikins (KARs), shape plant microbiomes remains unknown. The recruitment of roo...
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MDPI AG
2024-12-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/15/1/44 |
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| author | Jie Cheng Shuai Luo Gundega Baldwin Xu Cheng Ian T. Baldwin Suhua Li |
| author_facet | Jie Cheng Shuai Luo Gundega Baldwin Xu Cheng Ian T. Baldwin Suhua Li |
| author_sort | Jie Cheng |
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| description | Survival in desert ecosystems poses significant challenges for plants due to harsh conditions. Plant microbiomes are thought to promote resilience; however, whether plant hormones, specifically strigolactones (SLs) and karrikins (KARs), shape plant microbiomes remains unknown. The recruitment of root-associated microbiomes in <i>Nicotiana attenuata</i>, a model desert plant, silenced in specific genes associated with SL biosynthesis (<i>CCD7</i>) and perception (D14), karrikin perception (KAI2), and in the shared receptor (MAX2), required for both pathways, was studied. SL and KAR signaling, with MAX2 as a co-regulator, fine-tuned the assembly of root-associated microbiomes, with unique and shared regulatory functions on bacterial microbiome recruitment, particularly in taproot. Significant variation among the different plant genotypes in bacterial diversity and composition in taproot and lateral roots provides a foundation for future research to explore how microbiomes function in plant resilience in these harsh environments. |
| format | Article |
| id | doaj-art-e7c69c2bdc17402d8013ea8260572818 |
| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj-art-e7c69c2bdc17402d8013ea82605728182025-01-24T13:16:28ZengMDPI AGAgronomy2073-43952024-12-011514410.3390/agronomy15010044Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the DesertJie Cheng0Shuai Luo1Gundega Baldwin2Xu Cheng3Ian T. Baldwin4Suhua Li5Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, ChinaShenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, ChinaDepartment of Molecular Ecology, Max Planck Institute for Chemical Ecology, 07745 Jena, GermanyShenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, ChinaDepartment of Molecular Ecology, Max Planck Institute for Chemical Ecology, 07745 Jena, GermanyShenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, ChinaSurvival in desert ecosystems poses significant challenges for plants due to harsh conditions. Plant microbiomes are thought to promote resilience; however, whether plant hormones, specifically strigolactones (SLs) and karrikins (KARs), shape plant microbiomes remains unknown. The recruitment of root-associated microbiomes in <i>Nicotiana attenuata</i>, a model desert plant, silenced in specific genes associated with SL biosynthesis (<i>CCD7</i>) and perception (D14), karrikin perception (KAI2), and in the shared receptor (MAX2), required for both pathways, was studied. SL and KAR signaling, with MAX2 as a co-regulator, fine-tuned the assembly of root-associated microbiomes, with unique and shared regulatory functions on bacterial microbiome recruitment, particularly in taproot. Significant variation among the different plant genotypes in bacterial diversity and composition in taproot and lateral roots provides a foundation for future research to explore how microbiomes function in plant resilience in these harsh environments.https://www.mdpi.com/2073-4395/15/1/44desert tobaccoroot-associated microbiomefield-workstrigolactoneskarrikins |
| spellingShingle | Jie Cheng Shuai Luo Gundega Baldwin Xu Cheng Ian T. Baldwin Suhua Li Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert Agronomy desert tobacco root-associated microbiome field-work strigolactones karrikins |
| title | Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert |
| title_full | Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert |
| title_fullStr | Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert |
| title_full_unstemmed | Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert |
| title_short | Strigolactone and Karrikin Signaling Influence the Recruitment of Wild Tobacco’s Root Microbiome in the Desert |
| title_sort | strigolactone and karrikin signaling influence the recruitment of wild tobacco s root microbiome in the desert |
| topic | desert tobacco root-associated microbiome field-work strigolactones karrikins |
| url | https://www.mdpi.com/2073-4395/15/1/44 |
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