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Article

Deficiency of a pyrroline-5-carboxylate reductase produces the yellowish green cocoon 'Ryokuken' of the silkworm, Bombyx mori.

Heredity - 1 May 2018

Hirayama Chikara, Mase Keisuke, Iizuka Tetsuya, Takasu Yoko, Okada Eiji, Yamamoto Kimiko

Abstract excerpt

The silkworm cocoon colour has attracted researchers involved in genetics, physiology and ecology for a long time. 'Ryokuken' cocoons are yellowish green in colour due to unusual flavonoids, prolinylflavonols, while 'Sasamayu' cocoons are light green and contain only simple flavonol glucosides. We found a novel gene associated with the cocoon colour change resulting from a change in flavonoid composition and...

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Identifiers

PMID: 29472695
DOI: 10.1038/s41437-018-0051-8
PMCID: PMC5889389

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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