ArticleNature communications2023
Acentrosomal spindles assemble from branching microtubule nucleation near chromosomes in Xenopus laevis egg extract.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
9 citing papers in PubMed.
- Multi-omics Analysis Reveals the Protection of a Quadruple Probiotic Mixture in Experimental Autoimmune Hepatitis.Probiotics and antimicrobial proteins · 2026Article
- The kinetochore corona orchestrates chromosome congression through transient microtubule interactions.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- The Chromatin Protein CFDP1 Activates TPX2 and Promotes Chromosomal Microtubule Nucleation and Spindle Assembly.International journal of molecular sciences · 2026Article
- Branching, crosslinking, and decentralization of microtubules accelerates intracellular assembly.Biophysical journal · 2025Article
- HURP facilitates spindle assembly by stabilizing microtubules and working synergistically with TPX2.Nature communications · 2024Article
- Building on-chip cytoskeletal circuits via branched microtubule networks.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- HURP facilitates spindle assembly by stabilizing microtubules and working synergistically with TPX2.bioRxiv : the preprint server for biology · 2023Article
- Microtubule nucleation for spindle assembly: one molecule at a time.Trends in biochemical sciences · 2023Review
- Augmin is a Ran-regulated spindle assembly factor.The Journal of biological chemistry · 2023Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Microtubules are generated at centrosomes, chromosomes, and within spindles during cell division. Whereas microtubule nucleation at the centrosome is well characterized, much remains unknown about where, when, and how microtubules are nucleated at chromosomes. To address these questions, we reconstitute microtubule nucleation from purified chromosomes in meiotic Xenopus egg extract and find that chromosomes alone can form spindles. We visualize microtubule nucleation near chromosomes using total internal reflection fluorescence microscopy to find that this occurs through branching microtubule nucleation. By inhibiting molecular motors, we find that the organization of the resultant polar branched networks is consistent with a theoretical model where the effectors for branching nucleation are released by chromosomes, forming a concentration gradient that spatially biases branching microtbule nucleation. In the presence of motors, these branched networks are ultimately organized into functional spindles, where the number of emergent spindle poles scales with the number of chromosomes and total chromatin area.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.