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Isolation and identification of endophytic fungus SX01, a red pigment producer from Ginkgo biloba L

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Fungal pigments are a potential resource as natural food colorant. Endophytic fungus SX01, which is able to produce abundant soluble red pigments, was isolated from the twigs of Ginkgo biloba L. For further research and utilization of this strain and its secondary metabolites, morphological and molecular characteristics of SX01 was identified. Morphological identification which employed light microscope and scanning electron microscope showed that SX01 was a species of genera Penicillium. ITS1-5.8S-ITS2 region and 18S rRNA gene were then cloned, and the molecular phylogeny of these two sequences proved that strain SX01 was Penicillium purpurogenum.

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This research was supported by Xinmiao Talents Scheme of Zhejiang Province, China (2007R40G2060031) and the National Natural Science Foundation of China (30670482). The work was performed in Institute of Bioengineering, Zhejiang Sci-Tech University, P. R. China.

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Correspondence to Haimin Chen.

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Qiu, M., Xie, R., Shi, Y. et al. Isolation and identification of endophytic fungus SX01, a red pigment producer from Ginkgo biloba L. World J Microbiol Biotechnol 26, 993–998 (2010). https://doi.org/10.1007/s11274-009-0261-6

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  • Endophytic fungus
  • Ginkgo biloba L
  • Identification
  • Penicillium purpurogenum
  • Red pigment