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Are linker histones (histone H1) dispensable for survival?

2000· article· en· W4236665978 on OpenAlexaff
Juan Ausió

Bibliographic record

VenueBioEssays · 2000
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicFungal and yeast genetics research
Canadian institutionsUniversity of Victoria
Fundersnot available
KeywordsHistoneBiologyEukaryoteHistone methylationGene silencingEpigeneticsHistone methyltransferaseHistone H2ADNA methylationMethylationCell biologyHistone H1GeneticsDNAGeneGene expressionGenome

Abstract

fetched live from OpenAlex

In the multicelled filamentous ascomycete Ascolobus immersus, the single copy gene for histone H1 can be silenced by methylation in the process known as methylation-induced premeiotically (MIP). The results of a recent paper using this unique system(1) have shown that histone H1 silencing results in an enhanced DNA accessibility to nucleases and an increase in the overall extent of DNA methylation. Interestingly, while none of these effects appear to decrease the immediate viability of this fungus, silencing of histone H1 results in a significant decrease in its overall life span. These results suggest that while linker histones may be dispensable for the relatively short life span of an individual cell, they are most likely indispensable for survival of higher eukaryote organisms. BioEssays 22:873–877, 2000. © 2000 John Wiley & Sons, Inc.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.755
Threshold uncertainty score0.633

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.033
GPT teacher head0.324
Teacher spread0.290 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations4
Published2000
Admission routes1
Has abstractyes

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