Transcriptome analysis revealed the molecular mechanism by which Chrysanthemum naktongense roots respond to low-concentration lanthanum treatment
Chrysanthemum naktongense (C. naktongense) is widely distributed in northern China, and has high biomass and strong resistance. Lanthanum is a nonessential heavy metal element in plants, and it affects C. naktongense growth and development at high concentrations. Roots are important organs in C. nak...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Maximum Academic Press
2025-01-01
|
| Series: | Ornamental Plant Research |
| Subjects: | |
| Online Access: | https://www.maxapress.com/article/doi/10.48130/opr-0025-0004 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | Chrysanthemum naktongense (C. naktongense) is widely distributed in northern China, and has high biomass and strong resistance. Lanthanum is a nonessential heavy metal element in plants, and it affects C. naktongense growth and development at high concentrations. Roots are important organs in C. naktongense in terms of plant response to lanthanum treatment. The molecular mechanisms of C. naktongense root response to lanthanum treatment over different durations have not been clarified. The whole roots of C. naktongense were sampled after lanthanum treatment for 0, 24, and 72 h. A total of 5,451 differentially expressed genes (1,954 DEGs upregulated and 1,943 downregulated), were identified via RNA-seq. GO enrichment analysis of the top 20 genes revealed that many upregulated DEGs related to biological processes such as secondary metabolic processes and hormone metabolic processes were significantly (p < 0.05) enriched. The concentration analysis results of the top 20 KEGG pathways revealed that many of the upregulated DEGs that were significantly (p < 0.05) enriched were related to the plant hormone signal transduction pathway. This may be the key to root response to lanthanum treatment. Furthermore, we identified and analyzed 16 CnHsp70s by bioinformatics, the results of qRT-PCR and RNA-seq indicated numerous Hsp70 genes were upregulated under the two durations of treatment, and these genes can serve as good candidates for lanthanum-enriching genes. This study presents a new molecular mechanism by which C. naktongense responds to lanthanum treatment, laying a foundation for the targeted breeding of ornamental flowers in lanthanum-containing soil. |
|---|---|
| ISSN: | 2769-2094 |