Pityriacitrin marine alkaloids as novel antiviral and anti-phytopathogenic-fungus agents.

Background: Plant diseases have been gripping agricultural production, seriously affecting the growth and yields of crops. Marine natural products are an important source for novel drugs discovery. In this work, pityriacitrin marine alkaloids were selected as the parent structures.

[Advances in researches on mechanism of anti-Toxoplasma Chinese herbal medicine].

Toxoplasma gondii is an opportunity cellular parasite, related to the infection of various animals and human beings and severely impairing agriculture and human health. Because of the complexity of T. gondii life cycle, its different biological characteristics, and multifarious pathogenesis, there are no specific treatment and preventive medicines at present.

[Study on the development of fetus and infant congenitally infected by Toxoplasma gondii and intervention].

Toxoplasma gondii infection during pregnancy can result in abortion, premature delivery, fetal death, deformity, and impact the physical and intellectual development of the newborns. This is an investigation on the consequences of pregnancy in Toxoplasma gondii-infected women, the development of their babies, and the effect of pyrimethamine treatment during 1990-1996 in Baoding City.