ArticleBMC biology2025
Global landscape of protein phosphorylation during plant regeneration initiation in cotton (Gossypium hirsutum L.).
Article in BMC biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
- Replication associated nuclear DNA mismatch repair across kingdoms.Biochemical Society transactions · 2026Review
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Authors and funding
12 authors.
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Abstract
backgroundPhosphorylation is one of the most common post-translational modifications and is central to many cellular signaling events; however, little is currently known about the phosphorylation landscape during somatic embryogenesis (SE) for plant regeneration.
resultsHere, we systematically analyzed the phosphoproteomic profile of three typical developmentally staged cultures of SE, non-embryogenic calli (NEC), primary embryogenic calli (PEC), and globular embryos (GE), in cotton (Gossypium hirsutum L.), the pioneer crop for genetic biotechnology applications. Our data revealed a total of 6301 quantifiable phosphorylation sites in 2627 quantifiable phosphoproteins from 5548 modified peptides, of which 1105 phosphoproteins (2147 sites) were differentially phosphorylated. Functional enrichment analyses revealed that differentially regulated phosphoproteins (DRPPs) were significantly enriched in DNA mismatch repair and peroxisome during callus embryogenic differentiation (PEC vs. NEC) and somatic embryo initiation (GE vs. PEC), respectively. Notably, six dynamic trajectory patterns of DRPP enrichment were observed. In addition, preferentially activated DRPPs with specific phosphorylation patterns were identified at different developmental stages. These DRPPs were mainly involved in hormone-responsive and photosystem events during initiation of plant regeneration.
conclusionsOverall, this study identified a series of potential phosphoproteins responsible for SE trans-differentiation and plant regeneration, providing a valuable resource and molecular basis for understanding the regulatory pathways underlying cell totipotency at the post-translational modification level.
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