2020
DOI: 10.3389/fmicb.2020.01489
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Diversity and Bioactivity of Endophytes From Angelica sinensis in China

Abstract: Plant seeds are not merely reproductive organs, they are also carriers of microorganism, particularly, inherent and non-invasive characteristic endophytes in host plant. Therefore, in this study, the endophytic diversity of Angelica seeds was studied and compared with endophytes isolated from healthy leaves, stems, roots, and seeds of A. sinensis using 20 different media. The metabolites of endophytic strains were evaluated with six different methods for their antioxidant activity and the paper disc diffusion … Show more

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Cited by 11 publications
(5 citation statements)
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“…It was speculated that there was a phenomenon that the compounds that accumulated in the head transferred to the body and tail during the accumulation of effective components in different medicinal parts. Overall, the accumulation and distribution of compounds were consistent with the efficacy of different medicinal parts of A. sinensis and the accumulation of the types and contents of the compounds reached the maximum in October, which was consistent with the traditional harvesting period [ 19 ].…”
Section: Resultssupporting
confidence: 62%
“…It was speculated that there was a phenomenon that the compounds that accumulated in the head transferred to the body and tail during the accumulation of effective components in different medicinal parts. Overall, the accumulation and distribution of compounds were consistent with the efficacy of different medicinal parts of A. sinensis and the accumulation of the types and contents of the compounds reached the maximum in October, which was consistent with the traditional harvesting period [ 19 ].…”
Section: Resultssupporting
confidence: 62%
“…In this study, the antioxidant activity of 32 endophytic fungal EXEs was comprehensively evaluated by using PTIO and OH assays as indicators for scavenging reactive nitrogen, DPPH and ABTS assays as indicators for scavenging reactive oxygen species, and FRAP assay as an indicator for the ability to reduce “Fe 3+ .” The antioxidant activity of EXEs from eight endophytic fungal strains, AP-1, AP-4, AP-11, AP-12, AP-24, AP-42, AP-69, and AP-81, was evaluated ( Figure 3 ). According to known research results, the content of total phenols and total flavonoids is highly correlated with antioxidant activity ( Zhang et al, 2020 ). After testing the total phenols and total flavonoids of the EXEs of 8 strains of endophytic fungi, AP-1 and AP-4 contained relatively high total phenols and total flavonoids ( Figure 5B ).…”
Section: Discussionmentioning
confidence: 99%
“…Morphologically, many culturable endophytic fungi fail to sporulate and are generally referred to as mycelia sterilia ( Cui et al, 2021 ). Phylogenetically, during studies of endophytic fungi as sources of bioactive metabolites, molecular identification is typically performed using the ITS sequences or GenBank BLAST search ( Raja et al, 2017 ; Zhang X. G. et al, 2020 ). However, the two approaches have distinct limitations, because they may not be able to distinguish some members with close phylogenetic relationships of certain genera ( Oloo et al, 2019 ), and more than 1/4 GenBank fungal ITS sequences were submitted without sufficient taxonomic confirmation ( Raja et al, 2017 ).…”
Section: Discussionmentioning
confidence: 99%