Coriolus versicolor polysaccharide: A novel solution for alleviating latent infections in tea plant tissue culture while promoting growth

文献类型： 外文期刊

第一作者： Tian, Lili

作者： Tian, Lili;Yao, Yuantao;Tian, Lili;Li, Juan;Lin, Haiyan;Huang, Jian;Tian, Lili;Li, Juan;Lin, Haiyan;Huang, Jian

作者机构：

关键词： Culture of plant tissue; Contamination; Coriolus versicolor polysaccharide; Camellia sinensis L; Sustainability

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.2； 五年影响因子：4.6 ）

ISSN： 0304-4238

年卷期： 2025 年 345 卷

页码：

收录情况： SCI

摘要： Plant tissue culture often suffers from latent infections, leading to significant losses in both research laboratories and industrial production. This study introduces an innovative strategy by incorporating Coriolus versicolor polysaccharide (CVP) into tea plant tissue culture systems to control latent infections without compromising plant growth. The standard Murashige and Skoog (MS) medium, supplemented with agar, sucrose, 6-Benzyladenine (BA), and Indole-3-butyric acid (IBA), was further enriched with CVP. A concentration of 6 mg/L CVP was identified as the most effective for inducing somatic embryos from tea seeds (using MS + 4.0 mg/L 6-BA + 1.0 mg/L IBA) and callus formation from tea leaves (under MS with 3.5-4.0 mg/L 6-BA + 1.5-2.0 mg/L IBA). Histological studies and assessments of antioxidant enzyme activities were performed to analyze the frequency of embryogenesis and callus formation at different CVP concentrations. The findings reveal that optimized CVP supplementation significantly enhances the proliferation of tea callus and embryogenic tissues, improves overall culture growth, and effectively suppresses endogenous infections, although some degree of cytotoxicity was noted. Overall, the findings represent a promising stride towards alleviating latent infections in plant tissue culture, offering potential benefits for both research and commercial applications.

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