Reproducibility readiness
Scored 82 / 100
Read as a narrative review of a topic, without a systematic search, against SANRA.
The article is a well-structured narrative review that thoroughly details the biological significance, molecular findings, and disease implications of R-loops during chromosome segregation across multiple model organisms. The authors adequately present data from cited studies, discuss competing models, and state their funding, conflicts of interest, data availability, and ethics exemptions. As is typical of narrative reviews, no literature search strategy is described, and limitations of the review methodology are not discussed.
The paper explains why the topic matters
Shown“Faithful chromosome segregation is essential for the equal transfer of genetic information between mother and daughter cells because uneven distribution of chromosomes results in aneuploidy, a hallmark of cancers and developmental disorders [65,66].”
The paper states the review's aims or questions
Shown“Here, we review studies that define the role of R-loops in ensuring faithful chromosome segregation during cell division and discuss how defects in R-loop dynamics lead to kinetochore (centromeric DNA and associated proteins) dysfunction and chromosomal instability.”
The paper describes how the literature was searched: databases or sources, dates and search terms
MissingThe paper supports its key statements with references
Shown“Senataxin plays a role in resolution of R-loops, as its absence, by either depletion or mutation, results in accumulation of R-loops, especially at the transcription termination sites [20,26,27].”
The paper weighs the strength of the evidence it cites, rather than only listing it
Shown“Studies with budding yeast and plants suggest that R-loops may act as structural barriers, potentially disrupting the localization and/or maintenance of CENP-A (and its homologues) at the kinetochores. Based on these reports [85,89,111,112], we propose that R-loops play an important role”
The paper presents relevant results of the studies it cites, such as outcomes or numbers
Shown“The oocyte-specific knockout of RNase H1 causes infertility in female mice due to abnormal spindle formation and misalignment of chromosomes caused by aberrant accumulation of R-loops at CEN chromatin during metaphase I [90].”
The paper names the ethics approval for work on people or animals, and the consent of the people studied
Shown“Ethics. This work did not require ethical approval from a human subject or animal welfare committee.”
The paper says where the data behind the results can be found, or why they cannot be shared
Shown“Data accessibility. This article has no additional data.”
The paper says where the analysis code or scripts can be found, or that no custom code was written
Doesn't applyThe paper states who funded the work, or that it had no funding
Shown“Funding. This research was supported by the Intramural Research Program of the National Institutes of Health (NIH).”
The paper states the authors' competing interests, or that there are none
Shown“Conflict of interest declaration. We declare we have no competing interests.”
The paper discusses the limitations of the study
Missing