Huilin Guan

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BACKGROUND AND OBJECTIVES Several epidemiologic studies have investigated the relationship between the polymorphisms of ERBB2 gene and breast cancer risk. However, the results are inconclusive. This meta-analysis aimed to assess the association between ERBB2 Ile655Val and Ala1170Pro polymorphisms and the susceptibility to breast cancer. METHODS Twenty-six(More)
Eight anthraquinones (1-8), three xanthones (11-13) and two phenols (9-10) were isolated from Aspergillus sp. associated with Panax notoginseng, and their structures were determined as ziganein-1-methyl ether (1), 8-O-methylchrysophanol (2), averythrin (3), averufin (4), 8-O-methyl averufin (5), versicolorin B (6), averantin (7), methyl-averantin (8),(More)
Adding propagules (source) to a degraded site (recipient) is a common way of manipulating secondary succession to restore diversity and services formerly provided by forests. However, heretofore no study has considered the effect of "successional distance" between source and recipient site. Four sites in the Shilin karst area of SW China were treated as(More)
Bacillus amyloliquefaciens is a plant-beneficial Gram-positive bacterium involved in suppressing soil-borne pathogens through the secretion of secondary metabolites and high rhizosphere competence. Biofilm formation is regarded as a prerequisite for high rhizosphere competence. In this work, we show that plant extracts affect the chemotaxis and biofilm(More)
The colonization of rhizosphere by microorganisms is directly associated with bacterial growth, chemotaxis, biofilm formation, and the interaction with host plant root exudates. In this study, the responses of Ralstonia solanacearum to the root exudates from two tobacco cultivars (Hongda, susceptible; K326, resistant) were determined. The results showed(More)
OBJECTIVE To investigate the relationship between microbial community and the blight diseases in rhizosphere of carnation for biological control. METHODS Bacterial strains isolated from the rhizosphere of healthy and blight carnation plants in greenhouse were replicated by morphology and 16S rRNA gene similarity, and investigated by using phylogenetic(More)
Sanchi is a rare and unique Chinese medical material with extremely high medical value. However, it is often vulnerable to root rot during factitious reproduction. A research, taking Sanchi no-tillage soil and root rot plants as study targets with the purpose to monitor the amounts of microbe colonies and strains in soil around Sanchi roots, has been(More)
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