ArticleBMC plant biology2019
The wild sweetpotato (Ipomoea trifida) genome provides insights into storage root development.
Article in BMC plant biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 2 of them syntheses that pooled it.
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Who cites it
22 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- First systematic review of the last 30 years of research on sweetpotato: elucidating the frontiers and hotspots.Frontiers in plant science · 2024Pooled it
- Exploring and exploiting genetics and genomics for sweetpotato improvement: Status and perspectives.Plant communications · 2022Pooled it
- Diploid chromosome-level genome assembly of the Amazonian endemic morning glory Ipomoea cavalcantei D.F. Austin.Scientific data · 2026Article
- Identification, Transcriptome, and Proteome Analysis of Expansin-like Subfamilies in the Storage Root AcrossPlants (Basel, Switzerland) · 2026Article
- Linkage map construction and QTL mapping for morphological traits in Ipomoea trifida, a diploid sweetpotato relative.The plant genome · 2025Article
- Evolutionary analysis of DELLA proteins in sweet potato and related species reveals their roles in development and stress responses.Frontiers in plant science · 2025Article
- Survey sequencing and flow cytometry reveal the genomic characteristics and genetic markers of six wild sweetpotato species.Molecular biology reports · 2024Article
- Genome-wide comparative analysis of the valine glutamine motif containing genes in four Ipomoea species.BMC plant biology · 2023Article
- A chromosome-level reference genome of a Convolvulaceae species Ipomoea cairica.G3 (Bethesda, Md.) · 2022Article
- Comparative Transcriptome Profiling Reveals the Genes Involved in Storage Root Expansion in Sweetpotato (Genes · 2022Article
- Article
- Genome-wide identification and expression analysis of two-component system genes in sweet potato (Frontiers in plant science · 2022Article
- Genome-wide identification and characterization of NBS-encoding genes in the sweet potato wild ancestorOpen life sciences · 2022Article
- Genome-wide comparative analysis of the nucleotide-binding site-encoding genes in fourFrontiers in plant science · 2022Article
- Polyploid QTL-seq towards rapid development of tightly linked DNA markers for potato and sweetpotato breeding through whole-genome resequencing.Plant biotechnology journal · 2021Article
- Genome-Wide Identification of ARF Transcription Factor Gene Family and Their Expression Analysis in Sweet Potato.International journal of molecular sciences · 2021Article
- Transcriptome Analysis Reveals Key Genes Involved in Weevil Resistance in the Hexaploid Sweetpotato.Plants (Basel, Switzerland) · 2021Article
- Seasonal Variation in Transcriptomic Profiling ofFrontiers in plant science · 2021Article
- WRKY genes family study reveals tissue-specific and stress-responsive TFs in wild potato species.Scientific reports · 2020Article
- Metabolite database for root, tuber, and banana crops to facilitate modern breeding in understudied crops.The Plant journal : for cell and molecular biology · 2020Article
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Authors and funding
25 authors.
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Abstract
backgroundSweetpotato (Ipomoea batatas (L.) Lam.) is the seventh most important crop in the world and is mainly cultivated for its underground storage root (SR). The genetic studies of this species have been hindered by a lack of high-quality reference sequence due to its complex genome structure. Diploid Ipomoea trifida is the closest relative and putative progenitor of sweetpotato, which is considered a model species for sweetpotato, including genetic, cytological, and physiological analyses.
resultsHere, we generated the chromosome-scale genome sequence of SR-forming diploid I. trifida var. Y22 with high heterozygosity (2.20%). Although the chromosome-based synteny analysis revealed that the I. trifida shared conserved karyotype with Ipomoea nil after the separation, I. trifida had a much smaller genome than I. nil due to more efficient eliminations of LTR-retrotransposons and lack of species-specific amplification bursts of LTR-RTs. A comparison with four non-SR-forming species showed that the evolution of the beta-amylase gene family may be related to SR formation. We further investigated the relationship of the key gene BMY11 (with identity 47.12% to beta-amylase 1) with this important agronomic trait by both gene expression profiling and quantitative trait locus (QTL) mapping. And combining SR morphology and structure, gene expression profiling and qPCR results, we deduced that the products of the activity of BMY11 in splitting starch granules and be recycled to synthesize larger granules, contributing to starch accumulation and SR swelling. Moreover, we found the expression pattern of BMY11, sporamin proteins and the key genes involved in carbohydrate metabolism and stele lignification were similar to that of sweetpotato during the SR development.
conclusionsWe constructed the high-quality genome reference of the highly heterozygous I. trifida through a combined approach and this genome enables a better resolution of the genomics feature and genome evolutions of this species. Sweetpotato SR development genes can be identified in I. trifida and these genes perform similar functions and patterns, showed that the diploid I. trifida var. Y22 with typical SR could be considered an ideal model for the studies of sweetpotato SR development.
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