ArticlePloS one2022
Novel silkworm (Bombyx mori) sulfotransferase swSULT ST3 is involved in metabolism of polyphenols from mulberry leaves.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Beyond silkworms: translating molecular mechanisms of pesticide toxicity from Bombyx mori to lepidopteran pest management.Pest management science · 2026Review
- Are Sulfates of the Hydroxyl Amino Acids Threonine and Serine Truly Extremely Rare or Do They Simply Escape Detection?Life (Basel, Switzerland) · 2026Article
- The Nutritional, ACE Inhibition, and Antioxidant Properties of Hydrolysate Powders Derived from Different Stages of Thai Silkworm (Foods (Basel, Switzerland) · 2025Article
- Call for biotechnological approach to degrade plastic in the era of COVID-19 pandemic.Saudi journal of biological sciences · 2023Review
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyphenols in plants are important for defense responses against microorganisms, insect herbivory, and control of feeding. Owing to their antioxidant, anti-cancer, and anti-inflammatory activities, their importance in human nutrition has been acknowledged. However, metabolism of polyphenols derived from mulberry leaves in silkworms (Bombyx mori) remains unclear. Sulfotransferases (SULT) are involved in the metabolism of xenobiotics and endogenous compounds. The purpose of this study is to investigate the metabolic mechanism of polyphenols mediated by B. mori SULT. Here, we identified a novel SULT in silkworms (herein, swSULT ST3). Recombinant swSULT ST3 overexpressed in Escherichia coli effectively sulfated polyphenols present in mulberry leaves. swSULT ST3 showed high specific activity toward genistein among the polyphenols. Genistein-7-sulfate was produced by the activity of swSULT ST3. Higher expression of swSULT ST3 mRNA was observed in the midgut and fat body than in the hemocytes, testis, ovary, and silk gland. Polyphenols inhibited the aldo-keto reductase detoxification of reactive aldehydes from mulberry leaves, and the most noticeable inhibition was observed with genistein. Our results suggest that swSULT ST3 plays a role in the detoxification of polyphenols, including genistein, and contributes to the effects of aldo-keto reductase in the midgut of silkworms. This study provides new insight into the functions of SULTs and the molecular mechanism responsible for host plant selection in lepidopteran insects.
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