Discovery of Resveratrol and its Derivatives as Novel Antiviral and Anti- Phytopathogenic-Fungus Agents.

Background: Plant diseases caused by viruses and pathogens have posed a serious threat to global agricultural production and are difficult to control. Natural products have always been a valuable source for lead discovery in medicinal and agricultural chemistry. The natural product resveratrol was found to have good antiviral activity against the tobacco mosaic virus (TMV) and fungicidal activities against 14 kinds of phytopathogenic fungi.

Relative contributions of different substrates to soil NO emission and their responses to N addition in a temperate forest.

With increasing nitrogen (N) deposition, soil nitrous oxide (NO) emission is expected to increase, causing positive feedback to global warming. However, the substrates of soil NO emission, especially their responses to N addition, are still unclear. Here, we conducted an in situ N tracing experiment to study the substrates of NO (i.

Phosphorus Reduces Negative Effects of Nitrogen Addition on Soil Microbial Communities and Functions.

Increased soil nitrogen (N) from atmospheric N deposition could change microbial communities and functions. However, the underlying mechanisms and whether soil phosphorus (P) status are responsible for these changes still have not been well explained. Here, we investigated the effects of N and P additions on soil bacterial and fungal communities and predicted their functional compositions in a temperate forest.

Different fates of deposited NH4+ and NO3- in a temperate forest in northeast China: a N tracer study.

Increasing atmospheric reactive nitrogen (N) deposition due to human activities could change N cycling in terrestrial ecosystems. However, the differences between the fates of deposited NH4+ and NO3- are still not fully understood. Here, we investigated the fates of deposited NH4+ and NO3-, respectively, via the application of NH NO and NH NO in a temperate forest ecosystem.

Biogeographic Distribution Patterns of Bacteria in Typical Chinese Forest Soils.

Microbes are widely distributed in soils and play a very important role in nutrient cycling and ecosystem services. To understand the biogeographic distribution of forest soil bacteria, we collected 115 soil samples in typical forest ecosystems across eastern China to investigate their bacterial community compositions using Illumina MiSeq high throughput sequencing based on 16S rRNA. We obtained 4,667,656 sequences totally and more than 70% of these sequences were classified into five dominant groups, i.

[Effects of nitrification inhibitors DCD and DMPP on cinnamon soil' s gross nitrogen mineralization and nitrification rates].

By using 15N pool dilution technique in combining with in situ soil cultivation, this paper studied the effects of nitrification inhibitors dicyandiamide (DCD) and 3,4-dimethylpyrazole phosphate (DMPP) on the gross nitrogen (N) mineralization and nitrification rates in a saline-alkali cinnamon soil in North China. The experiment was carried out in a maize-wheat rotation field in Yuncheng City of Shanxi Province, and three treatments were installed, i.e.