ArticlePlant molecular biology2009
The BURP domain protein AtUSPL1 of Arabidopsis thaliana is destined to the protein storage vacuoles and overexpression of the cognate gene distorts seed development.
Article in Plant molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 53 citations in OpenAlex.
- Emerging classes of copper enzymes.Current opinion in chemical biology · 2026Review
- Genome-Wide Analysis of BURP Domain-Containing Gene Family inInternational journal of molecular sciences · 2024Article
- Plant peptides - redefining an area of ribosomally synthesized and post-translationally modified peptides.Natural product reports · 2024Review
- Integrative omics analysis elucidates the genetic basis underlying seed weight and oil content in soybean.The Plant cell · 2024Article
- Genome-wide identification and expression analysis of the BURP domain-containing genes inPhysiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Identification and expression analysis of BURP domain-containing genes in jujube and their involvement in low temperature and drought response.BMC genomics · 2022Article
- Genome-wide analysis of BURP genes and identification of a BURP-V gene RcBURP4 in Rosa chinensis.Plant cell reports · 2022Article
- Transcriptional Regulation of Quinoa Seed Quality: Identification of Novel Candidate Genetic Markers for Increased Protein Content.Frontiers in plant science · 2022Article
- OverexpressingFrontiers in plant science · 2022Article
- Plant Copper Metalloenzymes As Prospects for New Metabolism Involving Aromatic Compounds.Frontiers in plant science · 2021Review
- Genetic Mapping and Validation of Loci for Kernel-Related Traits in Wheat (Frontiers in plant science · 2021Article
- Genome-wide identification and expression analysis of the BURP domain-containing genes in Gossypium hirsutum.BMC genomics · 2019Article
- A Genome-Wide Association Study of Wheat Spike Related Traits in China.Frontiers in plant science · 2018Article
- An endoplasmic reticulum-localized Coffea arabica BURP domain-containing protein affects the response of transgenic Arabidopsis plants to diverse abiotic stresses.Plant cell reports · 2017Article
- Transcriptome analysis in Coffea eugenioides, an Arabica coffee ancestor, reveals differentially expressed genes in leaves and fruits.Molecular genetics and genomics : MGG · 2016Article
- Identification and Expression Analysis of BURP Domain-Containing Genes in Medicago truncatula.Frontiers in plant science · 2016Article
- Dissecting the complex molecular evolution and expression of polygalacturonase gene family in Brassica rapa ssp. chinensis.Plant molecular biology · 2015Article
- The divergence and positive selection of the plant-specific BURP-containing protein family.Ecology and evolution · 2015Article
- Daytime soybean transcriptome fluctuations during water deficit stress.BMC genomics · 2015Article
- AtPGL3 is an Arabidopsis BURP domain protein that is localized to the cell wall and promotes cell enlargement.Frontiers in plant science · 2015Article
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Authors and funding
8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
BURP domain proteins comprise a broadly distributed, plant-specific family of functionally poorly understood proteins. VfUSP (Vicia faba Unknown Seed Protein) is the founding member of this family. The BURP proteins are characterized by a highly conserved C-terminal protein domain with a characteristic cysteine-histidine pattern. The Arabidopsis genome contains five BURP-domain encoding genes. Three of them are similar to the non-catalytic beta-subunit of the polygalacturonase of tomato and form a distinct subgroup. The remaining two genes are AtRD22 and AtUSPL1. The deduced product of AtUSPL1 is similar in size and sequence to VfUSP and that of the Brassica napus BNM2 gene which is expressed during microspore-derived embryogenesis. The protein products of BURP genes have not been found, especially that of VfUSP despite a great deal of interest arising from copious transcription of the gene in seeds. Here, we demonstrate that VfUSP and AtUSPL1 occur in cellular compartments essential for seed protein synthesis and storage, like the Golgi cisternae, dense vesicles, prevaculoar vesicles and the protein storage vacuoles in the parenchyma cells of cotyledons. Ectopic expression of AtUSPL1 leads to a shrunken seed phenotype; these seeds show structural alterations in their protein storage vacuoles and lipid vesicles. Furthermore, there is a reduction in the storage protein content and a perturbation in the seed fatty acid composition. However, loss of AtUSP1 gene function due to T-DNA insertions does not lead to a phenotypic change under laboratory conditions even though the seeds have less storage proteins. Thus, USP is pertinent to seed development but its role is likely shared by other proteins that function well enough under the laboratory growth conditions.
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