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Article

Maize Sh2 gene is constrained by natural selection but escaped domestication.

Journal of evolutionary biology - 1 Mar 2007

Manicacci D, Falque M, Le Guillou S, Piégu B, Henry A-M, Le Guilloux M, Damerval C, De Vienne D

Abstract excerpt

In Zea mays L., we studied the molecular evolution of Shrunken2 (Sh2), a gene that encodes the large subunits of a major enzyme in endosperm starch biosynthesis, ADP-glucose pyrophosphorylase. We compared 4669 bp of the Sh2 coding region on 50 accessions of maize and teosinte. Very few nucleotide polymorphisms were found when compared with other genes in Z. mays, revealing an effect of purifying selection in the...

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PMID: 17305816
DOI: 10.1111/j.1420-9101.2006.01264.x

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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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