ArticleInsects2026
Flavonoid-Mediated Sex-Specific Fluorescence in Silkworm Cocoons: A Strain-Restricted Trait.
Article in Insects, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors.
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Abstract
Flavonoids have been implicated in the formation of sex-discriminating fluorescent silkworm cocoons. However, their specific composition in these cocoons remain unexplored. In this study, flavonoid-targeted metabolomics was employed to profile the flavonoid composition of a sex-dependent fluorescent silkworm cocoon strain. Our results revealed comparable total flavonoid content between the violet and yellow fluorescent cocoons, but markedly different flavonoid composition, particularly in a subclass of flavonols. Moreover, four differential flavonoids, baimaside, luteolin-3',7-di-O-glucoside, quercetin 3,7-diglucoside, and spiraeoside, were identified, among which quercetin 3,7-diglucoside, the most abundant, with levels exceeding the others by an order of magnitude, emerged as the most promising biomarker for the sex-dependent fluorescent phenotypes. These findings pave the way for future investigations into the molecular basis of sex-dependent fluorescent cocoon formation and support the breeding of sex-discriminating fluorescent cocoons for high-quality silk production.
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