Frontiers of Biology in China
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Recovering context-specific gene network modules from expression data: A brief review
Frontiers of Biology in China - Tập 4 - Trang 414-418 - 2009
With the popularization of microarray experiments in biomedical laboratories, how to make contextspecific knowledge discovery from expression data becomes a hot topic. While the static “reference networks” for key model organisms are nearly at hand, the endeavors to recover context-specific network modules are still at the beginning. Currently, this is achieved through filtering existing edges of ......
Temporal-spatial variation and the influence factors of precipitation in Sichuan Province, China
Frontiers of Biology in China - Tập 3 - Trang 236-240 - 2008
Precipitation is a key factor in the water cycle. At the same time, precipitation is the focus of study in meteorology and climatology, ecological environmental assessment, non-point source pollution and so on. Understanding the temporal-spatial variation and the corresponding factors of precipitation has become the object of hydrology and environmentology. Based on the annual precipitation data, ......
Identification of superoxide dismutase isoenzymes in tobacco pollen
Frontiers of Biology in China - Tập 4 - Trang 442-445 - 2009
We investigated the possible existence of superoxide dismutase (SOD; EC 1.15.1.1) isoenzymes in the pollen of Nicotiana tabacum (Petit Havana SR-1 cultivar). To detect SOD activity, crude extracts from tobacco pollen were subjected to native polyacrylamide gel electrophoresis followed by staining with nitroblue tetrazolium (NBT). The presence of six SOD isoenzymes was detected in tobacco pollen. T......
Spatial variability of soil fertility factors in the Xiangcheng tobacco planting region, China
Frontiers of Biology in China - Tập 4 - Trang 350-357 - 2009
It is essential to understand the spatial variability of soil properties in tobacco planting regions, so that the right decision can be made as to how many fertilizer rates are likely to be appropriated for the highquality tobacco production. A total of 159 soil samples were taken from the surface soil (0-20 cm) in the Xiangcheng tobacco planting fields, Henan Province, in April 2002 to examine th......
Home ranges and habitat vegetation characters in breeding season of Narcissus Flycatcher and Yellow-rumped Flycatcher
Frontiers of Biology in China - Tập 2 Số 3 - Trang 345-350 - 2007
The Shanita fauna (Permian foraminifera) from Baoshan area, western Yunnan Province, China
Frontiers of Biology in China - Tập 2 - Trang 114-124 - 2007
Studies in the past decade have proven the Shanita fauna to be an excellent marker of the northern peri-Gondwana tectonic blocks. Thus, a study of the Shanita fauna from the Baoshan area in western Yunnan Province, China, could provide pivotal paleontological evidence for the paleogeographic reconstruction of the Baoshan block. We systematically analyzed the composition and the age of the Shanita ......
Sequence variability analysis on major histocompatibility complex class II DRB alleles in three felines
Frontiers of Biology in China - Tập 3 - Trang 55-62 - 2008
The variation of the exon 2 of the major histo-compatibility complex (MHC) class II gene DRB locus in three feline species were examined on clouded leopard (Neofelis nebulosa), leopard (Panthera pardus) and Amur tiger (Panthera tigris altaica). A pair of degenerated primers was used to amplify DRB locus covering almost the whole exon 2. Exon 2 encodes the β1 domain which is the most variable fragm......
The spindle assembly checkpoint: perspectives in tumorigenesis and cancer therapy
Frontiers of Biology in China - Tập 6 - Trang 147-155 - 2011
Loss or gain of chromosomes, a condition known as aneuploidy, is a common feature of tumor cells and has therefore been proposed as the driving force for tumorigenesis. Such chromosomal instability can arise during mitosis as a result of mis-segregation of the duplicated sister chromatids to the two daughter cells. In normal cells, missegregation is usually prevented by the spindle assembly checkp......
Characteristics and functions of traditional homegardens: a review
Frontiers of Biology in China - Tập 4 - Trang 151-157 - 2008
Traditional agroecosystems play an important role in the conservation of biodiversity and in sustainable development. As a typical type of traditional agroecosystem, traditional homegardens have been receiving increasing attention from scientists, especially ethnobotanists. They are considered as germplasm banks for many crops and other economic plants. They are also a key site for domestication o......
Cytokines mRNA in bone marrow-derived dendritic cells in asthmatic mouse
Frontiers of Biology in China - Tập 1 - Trang 241-245 - 2006
By inducing and amplifying dendritic cells (DCs) derived from the bone marrow of asthma murine in vitro, cytokines mRNA were expressed, and the functions of DCs were investigated. Cells isolated from murine bone marrow have been cultured with rmGM-CSF and rmIL-4, and the expression of cytokines mRNA was determined by ribonuclease protection assay combined with multi-probe templates. Large numbers ......
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