ArticlePlant physiology2003
Overexpression of a knotted-like homeobox gene of potato alters vegetative development by decreasing gibberellin accumulation.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.
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Who cites it
63 citing papers in PubMed, 171 citations in OpenAlex.
- Article
- The role of transcription factor StBEL11 in carbon allocation and tuberization in cultivated potato differs from that known for the model Andean genotype.Journal of experimental botany · 2026Article
- Single Cell Multiomics of Hooked Potato Stolons Reveals Parallels to Shoot Apical Meristems in Arabidopsis.Plant biotechnology journal · 2026Article
- 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
- Interaction among homeodomain transcription factors mediates ethylene biosynthesis during pear fruit ripening.Horticulture research · 2024Article
- Article
- Overexpression ofPlant signaling & behavior · 2022Article
- In Silico Characterization and Expression Analysis of GIGANTEA Genes in Potato.Biochemical genetics · 2022Article
- Homeobox 27, a Homeodomain Transcription Factor, Confers Tolerances to CMV by Associating with Cucumber Mosaic Virus 2b Protein.Pathogens (Basel, Switzerland) · 2022Article
- Comparative Transcriptome Profiling Reveals the Genes Involved in Storage Root Expansion in Sweetpotato (Genes · 2022Article
- Effects of the repression of GIGANTEA gene StGI.04 on the potato leaf transcriptome and the anthocyanin content of tuber skin.BMC plant biology · 2022Article
- Genome-wide identification and characterization of OVATE family proteins inFrontiers in plant science · 2022Article
- Genome-wide identification of the KNOTTED HOMEOBOX gene family and their involvement in stalk development in flowering Chinese cabbage.Frontiers in plant science · 2022Article
- Genome-wide Association Study for Yield and Yield-Related Traits in Diverse Blackgram Panel (Frontiers in genetics · 2022Article
- Hormonal Regulatory Patterns of LaKNOXs and LaBEL1 Transcription Factors Reveal Their Potential Role in Stem Bulblet Formation in LA Hybrid Lily.International journal of molecular sciences · 2021Article
- Development of aerial and belowground tubers in potato is governed by photoperiod and epigenetic mechanism.Plant physiology · 2021Review
- DNA methylation affects photoperiodic tuberization in potato (Solanum tuberosum L.) by mediating the expression of genes related to the photoperiod and GA pathways.Horticulture research · 2021Article
- Auxin signaling and vascular cambium formation enable storage metabolism in cassava tuberous roots.Journal of experimental botany · 2021Article
- The recombination landscape and multiple QTL mapping in a Solanum tuberosum cv. 'Atlantic'-derived FHeredity · 2021Article
- Gene Expression Analysis of Microtubers of PotatoPlants (Basel, Switzerland) · 2021Article
3 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potato (Solanum tuberosum) homeobox 1 (POTH1) is a class I homeobox gene isolated from an early-stage tuber cDNA library. The RNA expression pattern of POTH1, unlike that of most other class I knotted-like homeobox genes, is widespread in the cells of both indeterminate and differentiated tissues. Using in situ hybridization, POTH1 transcripts were detected in meristematic cells, leaf primordia, and the vascular procambium of the young stem. Overexpression of POTH1 produced dwarf plants with altered leaf morphology. Leaves were reduced in size and displayed a "mouse-ear" phenotype. The mid-vein was less prominent, resulting in a palmate venation pattern. The overall plant height of overexpression lines was reduced due to a decrease in internode length. Levels of intermediates in the gibberellin (GA) biosynthetic pathway were altered, and the bioactive GA, GA(1), was reduced by one-half in sense mutants. Accumulation of mRNA for GA 20-oxidase1, a key biosynthetic enzyme, decreased in overexpression lines. In vitro tuberization was enhanced under both short- and long-day photoperiods in several POTH1 overexpression lines. Sense lines produced more tubers at a faster rate than controls. These results imply that POTH1 mediates the development of potato by acting as a negative regulator of GA biosynthesis.
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