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Article
Open AccessRecent advances in the pathogenesis and prevention strategies of dental calculus
Dental calculus severely affects the oral health of humans and animal pets. Calculus deposition affects the gingival appearance and causes inflammation. Failure to remove dental calculus from the dentition res...
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Article
Open AccessLysobacter chang**ensis sp. nov., a novel species of the genus Lysobacter isolated from a rhizosphere soil of strawberry in China
In the present work, we characterized in detail strain CM-3-T8T, which was isolated from the rhizosphere soil of strawberries in Bei**g, China, in order to elucidate its taxonomic position. Cells of strain CM-3-...
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Open AccessAmplicon-based metagenomic association analysis of gut microbiota in relation to egg-laying period and breeds of hens
The gut microbiota plays an essential role in maintaining gut homeostasis and improving performance, with the composition of microbial communities visibly differing across different laying stages in hens and s...
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Article
Open AccessLotus leaf flavonoids induce apoptosis of human lung cancer A549 cells through the ROS/p38 MAPK pathway
Leaves of the natural plant lotus are used in traditional Chinese medicine and tea production. They are rich in flavonoids.
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Article
Open AccessUncovering fungal community composition in natural habitat of Ophiocordyceps sinensis using high-throughput sequencing and culture-dependent approaches
The fungal communities inhabiting natural Ophiocordyceps sinensis play critical ecological roles in alpine meadow ecosystem, contribute to infect host insect, influence the occurrence of O. sinensis, and are repe...
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Article
Dolyemycins A and B, two novel cyclopeptides isolated from Streptomyces griseus subsp. griseus HYS31
Two novel cyclopeptides with special skeleton, namely, dolyemycins A (1) and B (2) were isolated from Streptomyces griseus subsp. griseus HYS31 by bio-guided isolation. Their structures were elucidated by detaile...
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Author Correction: Ephrin receptor A2 is an epithelial cell receptor for Epstein–Barr virus entry
In the version of this Letter originally published, the authors reported on the use of 2,5-dimethylpyrrolyl benzoic acid to block Ephrin receptors. In 2011, it was reported that newly synthesized 2,5-dimethylp...
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Article
Polyketides from two Chaetomium species and their biological functions
Four new secondary metabolites, chaetosemins G-J (1−4), along with 11 known ones (5−15) were isolated from the culture of C. seminudum C208 and Chaetomium sp. C521. Their structures were determined by extensive N...
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Article
Ephrin receptor A2 is an epithelial cell receptor for Epstein–Barr virus entry
Epstein–Barr virus (EBV) is causally associated with nasopharyngeal carcinoma, 10% of gastric carcinoma and various B cell lymphomas 1 . EBV infects both B cells and epithelial c...
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Article
Ghanamycins A and B, two novel γ-butyrolactones from marine-derived streptomyces ghanaensis TXC6-16
Two novel γ-butyrolactones ghanamycins A (1) and B (2) were isolated from the fermentation broth of marine-derived Streptomyces ghanaensis TXC6-16. Their structures were elucidated by spectroscopic analysis. Thes...
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Article
Increased resistance rate to ceftazidime among blood culture isolates of ESBL-producing Escherichia coli in a university-affiliated hospital of China
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Phthalide derivatives with antifungal activities against the plant pathogens isolated from the liquid culture of Pestalotiopsis photiniae
Three new phthalide derivatives (1-3) named 5-(3′-methyl-2′-butenyl)-2-hydroxy-3-methoxy-4-methylbenzoic acid (1), 5-(3′-carboxyl-3′-methyl-2E-allyloxy)-3-methoxy-4-methylphthalide (2) and 5-(3′,3′-dimethylallylo...
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Antimycin A18 produced by an endophytic Streptomyces albidoflavus isolated from a mangrove plant