ArticlePlant signaling & behavior2013
The bHLH transcription factor SPATULA is a key regulator of organ size in Arabidopsis thaliana.
Article in Plant signaling & behavior, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 30 citations in OpenAlex.
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- Morphological, anatomical, and transcriptomics analysis reveals the regulatory mechanisms of cassava plant height development.BMC genomics · 2024Article
- Physiological and Full-Length Transcriptome Analyses Reveal the Dwarfing Regulation in Trifoliate Orange (Plants (Basel, Switzerland) · 2023Article
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- Gene Expression Patterns in Roots ofFrontiers in microbiology · 2018Article
- RNA Sequencing and Coexpression Analysis Reveal Key Genes Involved in α-Linolenic Acid Biosynthesis in Perilla frutescens Seed.International journal of molecular sciences · 2017Article
- Survey of High Throughput RNA-Seq Data Reveals Potential Roles for lncRNAs during Development and Stress Response in Bread Wheat.Frontiers in plant science · 2017Article
- Evolution of theEvoDevo · 2017Article
- Shade avoidance components and pathways in adult plants revealed by phenotypic profiling.PLoS genetics · 2015Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant organ size and thus plant size is determined by both cell proliferation and cell expansion. The bHLH transcription factor SPATULA (SPT) was originally identified as a regulator of carpel patterning. It has subsequently been found to control growth of the organs of the shoot. It does this at least in part by controlling the size of meristematic regions of organs in parallel to gibberellic acid (GA). It also acts downstream of several environmental signals, influencing growth in response to light and temperature. We have recently demonstrated that SPT functions to repress the size of the root meristem and thus root growth and size. It appears to do this using a similar mechanism to its control of leaf size. Based on the recent work on SPT, we propose that it is a growth repressor that acts to limit the size of meristems in response to environmental signals, perhaps by regulating auxin transport.
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