The DOI matches its Crossref record; 79 of the 88 references it cites were found in a registry or an index.
Overexpression of a Knotted -Like Homeobox Gene of Potato Alters Vegetative Development by Decreasing Gibberellin Accumulation
Open accessAbstract
Potato (Solanum tuberosum) homeobox 1 (POTH1) is a class I homeobox gene isolated from an early-stage tuber cDNA library. The RNA expression pattern ofPOTH1, unlike that of most other class Iknotted-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, GA1, 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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“a knotted-like homeobox (KNOX) gene, POTH1, regulates the yield of potato tubers by regulating gibberellin synthesis and the CTKs levels [35].”
From RNA-Seq and iTRAQ reveal multiple pathways involved in storage root formation and development in sweet potato (Ipomoea batatas L.) (2019) · cites this paper as [35]
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A DELLAcate balance: the role of gibberellin in plant morphogenesis
Fleet, C. M., & Sun, T. (2004) · Current Opinion in Plant Biology · doi:10.1016/j.pbi.2004.11.015 · Cited by 501
THE ROLE OF KNOX GENES IN PLANT DEVELOPMENT
Hake, S., Smith, H. M. S., Holtan, H., Magnani, E., Mele, G., & Ramirez, J. C. (2004) · Annual Review of Cell and Developmental Biology · doi:10.1146/annurev.cellbio.20.031803.093824 · Cited by 456
Sugar and phytohormone response pathways: navigating a signalling network
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Dynamics of a Mobile RNA of Potato Involved in a Long-Distance Signaling Pathway
Banerjee, A. K., Chatterjee, M., Yu, Y., Suh, S.-G., Miller, W. A., & Hannapel, D. J. (2006) · The Plant Cell · doi:10.1105/tpc.106.042473 · Cited by 329
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Metadata
- Authors
- Rosin, F. M., Hart, J. K., Horner, H. T., Davies, P. J., & Hannapel, D. J.
- Affiliations
- Interdepartmental Program in Molecular, Cellular, and Developmental Biology (F.M.R., D.J.H.),
- Interdepartmental Genetics Major (J.K.H., D.J.H.),
- Iowa State University (US)
- Cornell University (US)
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-05-01
- Volume
- 132
- Issue
- 1
- Pages
- 106-117
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- PMC
- PMC166957
- OpenAlex
- W2089856609
- Cited by
- 179
- References
- 88
- Citations by year
- 2026: 7 · 2025: 6 · 2024: 4 · 2023: 2 · 2022: 16 · 2021: 12 · 2020: 5 · 2019: 4 · 2018: 5 · 2017: 6 · 2016: 2 · 2015: 13 · 2014: 12 · 2013: 7 · 2012: 5
- FWCI
- 11.00
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model (vor)
- Locations
- PLANT PHYSIOLOGY (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Iowa State University Digital Repository (Iowa State University) (submittedVersion)
- Funders
- Iowa State University
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Flowering Plant Growth and Cultivation
- Keywords
- potato, gibberellin biosynthesis, vegetative growth, leaf morphology, tuberization, dwarfism, internode length, gene overexpression
- MeSH terms
- Gibberellins, Molecular Sequence Data, Phenotype, Phylogeny, Plant Proteins, Solanum tuberosum, RNA, Messenger, Blotting, Northern, In Situ Hybridization, Homeodomain Proteins, Gene Expression Regulation, Plant, Gene Expression Regulation, Developmental, Plants, Genetically Modified
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