Abstract:
:A polysaccharide DNPE6(11) was purified from Dendrobium nobile Lindl. (D. nobile Lindl.). Its structural characteristic, antiviral activity, and preliminary mechanism were studied. The structural characteristic analysis indicated that DNPE6(11) was a novel homogenous heteropolysaccharide from D. nobile Lindl. Bioactivity assays indicated that DNPE6(11) possessed outstanding curative and inactivating activities against cucumber mosaic virus, which were superior to chitosan oligosaccharide and lentinan. Additionally, DNPE6(11) exhibited notable protective activity against potato virus Y, which was better than Ningnanmycin. Furthermore, the preliminary mechanism study found that DNPE6(11) cannot accumulate salicylic acid to induce systemic acquired resistance, but had a strong binding capacity for cucumber mosaic virus coat protein. Therefore, DNPE6(11) could be considered as a promising antiviral agent to study in the future.
journal_name
Pestic Biochem Physioljournal_title
Pesticide biochemistry and physiologyauthors
Li Z,Xiang J,Hu D,Song Bdoi
10.1016/j.pestbp.2020.104598subject
Has Abstractpub_date
2020-07-01 00:00:00pages
104598eissn
0048-3575issn
1095-9939pii
S0048-3575(20)30093-6journal_volume
167pub_type
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