---
name: PNAS
slug: pnas
category: Writing
description: PNAS formats or checks manuscripts for Proceedings of the National Academy of Sciences. Use it to apply PNAS structure, numbered references, a mandatory Significance Statement, abstract limits, and figure requirements.
github: "https://github.com/PangenomeAI/academic-skills-food-nutrition/tree/main/journals/pnas"
language: Python
stars: 25
forks: 3
install: "npx degit https://github.com/PangenomeAI/academic-skills-food-nutrition/tree/main/journals/pnas ~/.claude/skills/pnas"
installs_to: ~/.claude/skills/pnas
source_path: journals/pnas/SKILL.md
collection_size: 41
category_size: 1012
collection_url: "https://dirskills.com/collections/PangenomeAI/academic-skills-food-nutrition"
added: 2026-08-12T04:44:13.976Z
last_synced: 2026-08-12T04:44:13.976Z
canonical_url: "https://dirskills.com/skills/pnas"
---

# PNAS

PNAS formats or checks manuscripts for Proceedings of the National Academy of Sciences. Use it to apply PNAS structure, numbered references, a mandatory Significance Statement, abstract limits, and figure requirements.

**Install:**

```bash
npx degit https://github.com/PangenomeAI/academic-skills-food-nutrition/tree/main/journals/pnas ~/.claude/skills/pnas
```

## README

# PNAS — Author Guideline Skill

**Publisher:** National Academy of Sciences · **Verified:** 2026-07 · Confirm exact limits at the PNAS author center.

## Aims & scope
Multidisciplinary — biological, physical, and social sciences; food, nutrition,
agriculture, microbiology, and environmental work all in scope.

## Format (PNAS style)
- **References: numbered** in order of citation (PNAS style); numbered reference list with article titles and DOIs.
  > 1. A. B. Author, C. D. Author, Title of the article. *Proc. Natl. Acad. Sci. U.S.A.* **123**, e2412345 (2026).
- **Significance Statement (mandatory):** a plain-language paragraph for non-specialists, ~120 words (confirm limit).
- **Abstract:** ≤250 words, unstructured.
- **Structure:** Title → Author affiliations → Significance Statement → Abstract → Introduction → Results → Discussion → Materials and Methods → References. Research Reports/Articles have length guidance (confirm).
- **Mandatory:** data availability statement; author contributions; competing interest statement.
- **Figures:** ≥300 dpi; RGB/CMYK per policy; one/two-column widths; editable tables.

## Formatting constraints
```yaml
journal: PNAS
publisher: National Academy of Sciences
reference_style: pnas-numbered
significance_statement: {required: true, words: 120}
abstract_words: 250
data_availability: required
figure_dpi: 300
```