ArticlePlant signaling & behavior2012
Analysis of protein transport in the Brassica oleracea vasculature reveals protein-specific destinations.
Article in Plant signaling & behavior, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- The Strange Lifestyle of Multipartite Viruses.PLoS pathogens · 2016Review
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigated the vascular transport properties of exogenously applied proteins to Brassica oleracea plants and compared their delivery to various aerial parts of the plant with carboxy fluorescein (CF) dye. We identified unique properties for each protein. Alexafluor-tagged bovine serum albumin (Alexa-BSA) and Alexafluor-tagged Histone H1 (Alexa-Histone) moved slower than CF dye throughout the plant. Interestingly, Alexa-Histone was retained in the phloem and phloem parenchyma while Alexa-BSA moved into the apoplast. One possibility is that Alexa-Histone sufficiently resembles plant endogenous proteins and is retained in the vascular stream, while Alexa-BSA is exported from the cell as a foreign protein. Both proteins diffuse from the leaf veins into the leaf lamina. Alexa-BSA accumulated in the leaf epidermis while Alexa-Histone accumulated mainly in the mesophyll layers. Fluorescein-tagged hepatitis C virus core protein (fluorescein-HCV) was also delivered to B. oleracea plants and is larger than Alexa-BSA. This protein moves more rapidly than BSA through the plant and was restricted to the leaf veins. Fluorescein-HCV failed to unload to the leaf lamina. These combined data suggest that there is not a single default pathway for the vascular transfer of exogenous proteins in B. oleracea plants. Specific protein properties appear to determine their destination and transport properties within the phloem.
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Registered trials
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