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Article

The origin and evolution of fragrance in rice (Oryza sativa L.).

Proceedings of the National Academy of Sciences of the United States of America - 25 Aug 2009

Kovach Michael J, Calingacion Mariafe N, Fitzgerald Melissa A, McCouch Susan R

Abstract excerpt

Fragrance in the grain is one of the most highly valued grain quality traits in rice, yet the origin and evolution of the betaine aldehyde dehydrogenase gene (BADH2) underlying this trait remains unclear. In this study, we identify eight putatively nonfunctional alleles of the BADH2 gene and show that these alleles have distinct geographic and genetic origins. Despite multiple origins of the fragrance trait, a...

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Identifiers

PMID: 19706531
DOI: 10.1073/pnas.0904077106
PMCID: PMC2732888

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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