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name: pnas description: "Author-guideline skill for PNAS (Proceedings of the National Academy of Sciences), a multidisciplinary journal food & nutrition researchers publish in. Use to format or check a manuscript for PNAS — structure, mandatory Significance Statement, abstract limit, PNAS numbered references, and figure specs. Triggers: submit to PNAS, Proceedings of the National Academy of Sciences guidelines, PNAS formatting. Also fires when the user wants to publish on/in this journal, format a manuscript for it, or match its reference/citation style." metadata: publisher: "National Academy of Sciences (PNAS)" verified: "2026-07" source: "https://www.pnas.org/author-center/submitting-your-manuscript"

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

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