ArticleBMC plant biology2011
Macromolecular composition of phloem exudate from white lupin (Lupinus albus L.).
Article in BMC plant biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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Who cites it
52 citing papers in PubMed, 103 citations in OpenAlex.
- Small RNA mobility and plant virus diseases.Journal of experimental botany · 2026Review
- The white lupin trehalase gene LaTRE1 regulates cluster root formation and function under phosphorus deficiency.Plant physiology · 2024Article
- Evolutionary and Structural Analysis of PP16 in Viridiplantae.International journal of molecular sciences · 2024Article
- Wearable and battery-free wound dressing system for wireless and early sepsis diagnosis.Bioengineering & translational medicine · 2023Article
- Long-Distance Movement ofPlants (Basel, Switzerland) · 2023Article
- The mRNA mobileome: challenges and opportunities for deciphering signals from the noise.The Plant cell · 2023Review
- Insights into Mobile Small-RNAs Mediated Signaling in Plants.Plants (Basel, Switzerland) · 2022Review
- Root osmotic sensing from local perception to systemic responses.Stress biology · 2022Review
- Systemic Signaling: A Role in Propelling Crop Yield.Plants (Basel, Switzerland) · 2022Review
- Small RNAs Participate in Plant-Virus Interaction and Their Application in Plant Viral Defense.International journal of molecular sciences · 2022Review
- Proteomics of isolated sieve tubes fromProceedings of the National Academy of Sciences of the United States of America · 2022Article
- The Mobile Small RNAs: Important Messengers for Long-Distance Communication in Plants.Frontiers in plant science · 2022Review
- The NAC Transcription FactorFrontiers in plant science · 2022Article
- Root-to-Shoot Long-Distance Mobile miRNAs Identified fromInternational journal of molecular sciences · 2021Article
- RBP differentiation contributes to selective transmissibility of OPT3 mRNAs.Plant physiology · 2021Article
- Phloem Sap Proteins Are Part of a Core Stress Responsive Proteome Involved in Drought Stress Adjustment.Frontiers in plant science · 2021Article
- Secondary siRNAs in Plants: Biosynthesis, Various Functions, and Applications in Virology.Frontiers in plant science · 2021Review
- The interplay of phloem-mobile signals in plant development and stress response.Bioscience reports · 2020Review
- Integrated Analysis of Small RNA, Transcriptome and Degradome Sequencing Provides New Insights into Floral Development and Abscission in Yellow Lupine (International journal of molecular sciences · 2019Article
- Enzyme activity and structural features of three single-domain phloem cyclophilins from Brassica napus.Scientific reports · 2019Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMembers of the legume genus Lupinus exude phloem 'spontaneously' from incisions made to the vasculature. This feature was exploited to document macromolecules present in exudate of white lupin (Lupinus albus [L.] cv Kiev mutant), in particular to identify proteins and RNA molecules, including microRNA (miRNA).
resultsProteomic analysis tentatively identified 86 proteins from 130 spots collected from 2D gels analysed by partial amino acid sequence determination using MS/MS. Analysis of a cDNA library constructed from exudate identified 609 unique transcripts. Both proteins and transcripts were classified into functional groups. The largest group of proteins comprised those involved in metabolism (24%), followed by protein modification/turnover (9%), redox regulation (8%), cell structural components (6%), stress and defence response (6%) with fewer in other groups. More prominent proteins were cyclophilin, ubiquitin, a glycine-rich RNA-binding protein, a group of proteins that comprise a glutathione/ascorbate-based mechanism to scavenge oxygen radicals, enzymes of glycolysis and other metabolism including methionine and ethylene synthesis. Potential signalling macromolecules such as transcripts encoding proteins mediating calcium level and the Flowering locus T (FT) protein were also identified. From around 330 small RNA clones (18-25 nt) 12 were identified as probable miRNAs by homology with those from other species. miRNA composition of exudate varied with site of collection (e.g. upward versus downward translocation streams) and nutrition (e.g. phosphorus level).
conclusionsThis is the first inventory of macromolecule composition of phloem exudate from a species in the Fabaceae, providing a basis to identify systemic signalling macromolecules with potential roles in regulating development, growth and stress response of legumes.
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