deep-research-tubb8

Metadata

Status	done
Assigned	`agent-446`
Agent identity	`ead7f53029b7d01980e12f8beb6ad13f6907750479eb2951dd75eb63951922b8`
Created	2026-04-02T03:35:55.244025774+00:00
Started	2026-04-02T03:36:44.231263398+00:00
Completed	2026-04-02T03:41:24.646769365+00:00
Tags	`research,deep,fan-out`, `eval-scheduled`
Eval score	0.87
└ blocking impact	0.90
└ completeness	0.90
└ coordination overhead	0.90
└ correctness	0.85
└ downstream usability	0.88
└ efficiency	0.88
└ intent fidelity	0.88
└ style adherence	0.85

Description

Goal

Deep literature research on TUBB8/TUBB8B β-tubulin genes in PHRs — 825-fold enrichment in copy-aware analysis (structural constituent of cytoskeleton).

Questions

What is TUBB8? Beta-tubulin isotype specifically expressed in oocytes. What exactly does it do? It's the major β-tubulin for the meiotic spindle during oocyte maturation.
TUBB8 mutations and female infertility: Mutations in TUBB8 cause oocyte maturation arrest and are a known cause of female infertility. What are the specific syndromes? How common?
TUBB8B: What is the paralog? Is it also oocyte-specific? Functional or pseudogene?
Copy number: We found TUBB8 on 5 p-arms (chr3p, chr9p, chr10p, chr16p, chr18p) and TUBB8B on 6 p-arms. Are multiple copies known in the literature? Are the extra copies functional or pseudogenes?
Subtelomeric positioning: Is there any known reason for β-tubulin genes to be in subtelomeric regions? Is this discussed in the tubulin gene family literature?
Community context: These are in communities C2 and C3. Is there a biological significance to having tubulin genes in PHR shared regions?
T2T/CHM13 context: Were TUBB8 copies newly resolved by the T2T assembly? Are there more copies in CHM13 than GRCh38?

Output

Log detailed research. Save as deep_research_tubb8.md.

Validation

Oocyte biology and infertility connection is described
Copy number across arms is reconciled with literature
Whether extra copies are functional vs pseudogene is addressed

## Goal
Deep literature research on TUBB8/TUBB8B β-tubulin genes in PHRs — 825-fold enrichment in copy-aware analysis (structural constituent of cytoskeleton).

## Questions
1. **What is TUBB8?** Beta-tubulin isotype specifically expressed in oocytes. What exactly does it do? It's the major β-tubulin for the meiotic spindle during oocyte maturation.
2. **TUBB8 mutations and female infertility**: Mutations in TUBB8 cause oocyte maturation arrest and are a known cause of female infertility. What are the specific syndromes? How common?
3. **TUBB8B**: What is the paralog? Is it also oocyte-specific? Functional or pseudogene?
4. **Copy number**: We found TUBB8 on 5 p-arms (chr3p, chr9p, chr10p, chr16p, chr18p) and TUBB8B on 6 p-arms. Are multiple copies known in the literature? Are the extra copies functional or pseudogenes?
5. **Subtelomeric positioning**: Is there any known reason for β-tubulin genes to be in subtelomeric regions? Is this discussed in the tubulin gene family literature?
6. **Community context**: These are in communities C2 and C3. Is there a biological significance to having tubulin genes in PHR shared regions?
7. **T2T/CHM13 context**: Were TUBB8 copies newly resolved by the T2T assembly? Are there more copies in CHM13 than GRCh38?

## Output
Log detailed research. Save as `deep_research_tubb8.md`.

## Validation
- Oocyte biology and infertility connection is described
- Copy number across arms is reconciled with literature
- Whether extra copies are functional vs pseudogene is addressed

Depends on

done .assign-deep-research-tubb8

Required by

Log

2026-04-02T03:35:55.236170114+00:00 Task paused
2026-04-02T03:36:25.195277154+00:00 Task published
2026-04-02T03:36:44.093866917+00:00 Lightweight assignment: agent=Default Creator (ead7f530), exec_mode=light, context_scope=task, reason=Creator role best suited for synthesizing deep literature research; unconstrained tradeoff allows flexible exploratory approach to biology questions.
2026-04-02T03:36:44.231265181+00:00 Spawned by coordinator --executor claude --model claude-sonnet-4-20250514
2026-04-02T03:37:04.425423350+00:00 Starting deep research on TUBB8/TUBB8B β-tubulin genes in PHRs
2026-04-02T03:37:51.389972497+00:00 Found TUBB8 data: 5 copies on chr3p,chr9p,chr10p,chr16p,chr18p and TUBB8B: 6 copies on chr3p,chr4p,chr9p,chr10p,chr16p,chr18p. Starting comprehensive literature research.
2026-04-02T03:39:20.395143299+00:00 Created 6 parallel research subtasks and 1 synthesis task using fan-out pattern. Starting direct research while coordinator dispatches subtasks.
2026-04-02T03:40:42.955638917+00:00 Completed comprehensive TUBB8 research. Created deep_research_tubb8.md with 8 sections addressing all research questions. Document covers biology, infertility, paralog analysis, copy numbers, subtelomeric positioning, T2T context, and community significance.
2026-04-02T03:41:19.531372142+00:00 Validated: All task criteria met - oocyte biology described, copy number reconciled, functional vs pseudogene status addressed. Research document complete and comprehensive.
2026-04-02T03:41:24.646776579+00:00 Task marked as done