ArticleAnnals of botany2008
IbMADS1 (Ipomoea batatas MADS-box 1 gene) is involved in tuberous root initiation in sweet potato (Ipomoea batatas).
Article in Annals of botany, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 1 of them a synthesis that pooled it.
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46 citing papers in PubMed, 1 synthesis or guideline pooled it, 96 citations in OpenAlex.
- First systematic review of the last 30 years of research on sweetpotato: elucidating the frontiers and hotspots.Frontiers in plant science · 2024Pooled it
- Integrated analysis of physiological, endogenous phytohormones, and transcriptomics reveals the effects of exogenous CPPPU on sweet potato agronomic traits.BMC plant biology · 2025Article
- A comprehensive analysis to speculate the role of trithorax genes in photoperiod-mediated tuberization in potato and comparison with storage root crops.BMC plant biology · 2025Article
- Transcriptome and hormones metabolome joint analyses reveal the key molecular mechanism of Sweetpotato storage roots sprouting.BMC plant biology · 2025Article
- Genome-Wide Identification and Analysis of DNA Methyltransferase and Demethylase Gene Families in Sweet Potato and Its Diploid Relative.Plants (Basel, Switzerland) · 2025Article
- Plant Signaling Hormones and Transcription Factors: Key Regulators of Plant Responses to Growth, Development, and Stress.Plants (Basel, Switzerland) · 2025Review
- Transcriptomics integrated with targeted metabolomics reveals endogenous hormone changes in tuberous root expansion of Pueraria.BMC genomics · 2024Article
- RNA-Seq Reveals That Multiple Pathways Are Involved in Tuber Expansion in Tiger Nuts (International journal of molecular sciences · 2024Article
- Integrated hormone and transcriptome profiles provide insight into the pericarp differential development mechanism between Mandarin 'Shatangju' and 'Chunhongtangju'.Frontiers in plant science · 2024Article
- Regulation of root development in nitrogen-susceptible and nitrogen-tolerant sweet potato cultivars under different nitrogen and soil moisture conditions.BMC plant biology · 2023Article
- Physiological, anatomical and quality indexes of root tuber formation and development in chayote (Sechium edule).BMC plant biology · 2023Article
- Deciphering the hormone regulatory mechanisms of storage root initiation in sweet potato: challenges and future prospects.AoB PLANTS · 2023Review
- Characterization and expression analysis of SnRK2, PYL, and ABF/ AREB/ ABI5 gene families in sweet potato.PloS one · 2023Article
- Form and contour: breeding and genetics of organ shape from wild relatives to modern vegetable crops.Frontiers in plant science · 2023Review
- CRISPR/Cas9: an advanced platform for root and tuber crops improvement.Frontiers in genome editing · 2023Review
- Transcriptomic analysis of tuberous root in two sweet potato varieties reveals the important genes and regulatory pathways in tuberous root development.BMC genomics · 2022Article
- Comparative Transcriptome Profiling Reveals the Genes Involved in Storage Root Expansion in Sweetpotato (Genes · 2022Article
- Transcriptome and Metabolome Analysis Provide New Insights into the Process of Tuberization ofInternational journal of molecular sciences · 2022Article
- Integrative omics approaches revealed a crosstalk among phytohormones during tuberous root development in cassava.Plant molecular biology · 2022Article
- Response Mechanism of Endogenous Hormones of Potential Storage Root to Phosphorus and Its Relationship With Yield and Appearance Quality of Sweetpotato.Frontiers in plant science · 2022Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsThe tuberization mechanism of sweet potato (Ipomoea batatas) has long been studied using various approaches. Morphological data have revealed that the tuberizing events result from the activation of the cambium, followed by cell proliferation. However, uncertainties still remain regarding the regulators participating in this signal-transduction pathway. An attempt was made to characterize the role of one MADS-box transcription factor, which was preferentially expressed in sweet potato roots at the early tuberization stage.
methodsA differential expression level of IbMADS1 (Ipomoea batatas MADS-box 1) was detected temporally and spatially in sweet potato tissues. IbMADS1 responses to tuberization-related hormones were assessed. In order to identify the evolutionary significance, the expression pattern of IbMADS1 was surveyed in two tuber-deficient Ipomoea relatives, I. leucantha and I. trifida, and compared with sweet potato. In functional analyses, potato (Solanum tuberosum) was employed as a heterologous model. The resulting tuber morphogenesis was examined anatomically in order to address the physiological function of IbMADS1, which should act similarly in sweet potato. KEY
resultsIbMADS1 was preferentially expressed as tuberous root development proceeded. Its expression was inducible by tuberization-related hormones, such as jasmonic acid and cytokinins. In situ hybridization data showed that IbMADS1 transcripts were specifically distributed around immature meristematic cells within the stele and lateral root primordia. Inter-species examination indicated that IbMADS1 expression was relatively active in sweet potato roots, but undetectable in tuber-deficient Ipomoea species. IbMADS1-transformed potatoes exhibited tuber morphogenesis in the fibrous roots. The partial swellings along fibrous roots were mainly due to anomalous proliferation and differentiation in the xylem.
conclusionsBased on this study, it is proposed that IbMADS1 is an important integrator at the initiation of tuberization. As a result, the initiation and development of tuberous roots seems to be well regulated by a network involving a MADS-box gene in which such hormones as jasmonic acid and cytokinins may act as trigger factors.
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