ArticleJournal of experimental botany2020
A lipid transfer protein variant with a mutant eight-cysteine motif causes photoperiod- and thermo-sensitive dwarfism in rice.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 23 citations in OpenAlex.
- How Rice Responds to Temperature Changes and Defeats Heat Stress.Rice (New York, N.Y.) · 2024Review
- A Systematic Investigation of Lipid Transfer Proteins Involved in Male Fertility and Other Biological Processes in Maize.International journal of molecular sciences · 2023Article
- How rice adapts to high temperatures.Frontiers in plant science · 2023Review
- Rice lipid transfer protein, OsLTPL23, controls seed germination by regulating starch-sugar conversion and ABA homeostasis.Frontiers in genetics · 2023Article
- Lipid transfer proteins involved in plant-pathogen interactions and their molecular mechanisms.Molecular plant pathology · 2022Review
- Genome-Wide Identification and Expression Analysis ofInternational journal of molecular sciences · 2022Article
- Fine Mapping and Cloning of a Major QTLFrontiers in plant science · 2022Article
- A GPAT1 Mutation in Arabidopsis Enhances Plant Height but Impairs Seed Oil Biosynthesis.International journal of molecular sciences · 2021Article
- Transcriptome Analysis Reveals Photoperiod-Associated Genes Expressed in Rice Anthers.Frontiers in plant science · 2021Article
- Gain-of-function mutations: key tools for modifying or designing novel proteins in plant molecular engineering.Journal of experimental botany · 2020Article
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9 authors at 1 institution in 1 country.
Funding
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Abstract
Plant height is an important trait for architecture patterning and crop yield improvement. Although the pathways involving gibberellins and brassinosteroids have been well studied, there are still many gaps in our knowledge of the networks that control plant height. In this study, we determined that a dominant photoperiod- and thermo-sensitive dwarf mutant is caused by the active role of a mutated gene Photoperiod-thermo-sensitive dwarfism 1 (Ptd1), the wild-type of which encodes a non-specific lipid transfer protein (nsLTP). Ptd1 plants showed severe dwarfism under long-day and low-temperature conditions, but grew almost normal under short-day and high-temperature conditions. These phenotypic variations were associated with Ptd1 mRNA levels and accumulation of the corresponding protein. Furthermore, we found that the growth inhibition in Ptd1 may result from the particular protein conformation of Ptd1 due to loss of two disulfide bonds in the eight-cysteine motif (8-CM) that is conserved among nsLTPs. These results contribute to our understanding of the novel function of disulfide bonds in the 8-CM, and provide a potential new strategy for regulation of cell development and plant height by modifying the amino acid residues involved in protein conformation patterning.
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