1,300 Result(s)

Article

Three distinct signalling responses by murine fibroblasts to genotoxic stress

GENOTOXIC stress triggers signalling pathways that mediate either the protection or killing of affected cells. Whereas induction of p53 involves events in the cell nucleus¹, the activation of transcription factor...

Zheng-Gang Liu, Rajasekaran Baskaran, Elaine T. Lea-Chou, Lauren D. Wood… in Nature (1996)

Article

Amino acid sequence of BmK AS, a novel polypeptide activator of ryanodine receptor on skeletal muscle

Yonghua Ji, Yan Liu, Ke Xu, Takahide Ohishi, Tohru Mochizuki… in Chinese Science Bulletin (1997)

Article

The evidence of Sm-Nd isochron age for the early Paleozoic ophiolite in Mangya area, Altun Mountains

The REE patterns of the basic volcanic rocks in Mangya area. Altun, are slight rich in LREE, with (La/Ya)_N= 1.69–3.20, (La/Sm)_N= 1.37–1.87, other trace element ratios of the rocks are Th/Ta≈l (for a few samples g...

Liang Liu, Zicheng Che, Yan Wang, **hai Luo, Jianqi Wang… in Chinese Science Bulletin (1998)

Article

Production of human neurotrophin-3 in baculovirus expression system

Human NT-3 gene was inserted into pPAK9 and the resultant plasmid was used to co-transfect sf21 cells with Bsu36 I digested Bac6 genomic DNA. Recombinant baculovirus was isolated by plaque assay. Slot-hybridiz...

Yuanyue Mu, Hong Liu, Jie Zhang, Shuhong Liu, Yan Wu… in Chinese Science Bulletin (1998)

Article

Bidirectional propagation of lightning leader

The characteristics of initial leader of triggered lightning flashes are studied by use of a high-speed digital camera system with the rate of 1 000 frame per second and simultaneous measurements of current an...

Caiwei Wang, Muhong Yan, **nsheng Liu, Yijun Zhang… in Chinese Science Bulletin (1999)

Article

Simulation study of discharge processes in thunderstorm

The discharge characteristics in thunderstorm have been calculated by using a numerical cloud model. The results indicate that discharge processes occur when simulated thunderstorm developed at the stage of 30...

Yijun Zhang, Muhong Yan, **nsheng Liu in Chinese Science Bulletin (1999)

Article

From pollen actin to crop male sterility

Actin plays an important role in the life activity of animal and plant cells. Pollen cells have plenty of actin whose structure and characteristics are very similar to the animal actin. The nucleotide sequence...

Longfei Yan, Guoqin Liu, **ngguo **ao in Chinese Science Bulletin (2000)

Article

Expression ofChlamydomonas actin-gfp fusion gene in tobacco suspension cell and polymerization of the actin-gfp proteinin vitro

The fusion gene of actin (cDNA ofChlamydomonas reinhardtii) and green fluorescence protein (gfp) had been constructed into two expression vectors which could be expressed inE. coli and tobacco suspension cells BY...

Yi Yang, Guoqin Liu, Longfei Yan in Chinese Science Bulletin (2001)

Article

Identification of a novel HMW glutenin subunit and comparison of its amino acid sequence with those of homologous subunits

Aegilops tauschii is the donor of the D genome of common wheat (Triticum aestivum). Genetic variation of HMW glutenin subunits encoded by the Glu-1D^tlocus of Ae. tauschii has been found to be higher than that spe...

Zehong Yan, Yongfang Wan, Kunfan Liu, Youliang Zheng… in Chinese Science Bulletin (2002)

Article

Influence of cosmic radiation on lymphocyte micronucleus, serum lipid peroxide and antioxidation capacity in aircrew members

This study looks into the influence of cosmic radiation at high altitudes on human bodies. Results reveal that the cytokinesis-block micronuclei (CBMN) and conventional cultured micronuclei in peripheral blood...

Weiru Chen, Ying** Feng, Jiangkuang Liu, Haili Zhang, Ying Guo… in Chinese Science Bulletin (2002)

Article

High-resolution records of Holocene from the Shuangchi Maar Lake in Hainan Island

The results of sedimentary characteristics, grain-size, clay mineral, C/N and pollen analysis reveal the evolution history of the Shuangchi Maar Lake of Hainan Island as well as the short-term climate variatio...

Zhuo Zheng, Jianghua Wang, Bing Wang, Chunlian Liu, He** Zou… in Chinese Science Bulletin (2003)

Article

Expression and function of a new angiogenic factor AA98 target molecule at the maternal-embryonic boundary of rhesus monkey

The target molecule of monoclonal antibody AA98 (AA for short) is a new vascular endothelial cell related factor and plays a role in angiogenesis as indicated by the previous data. To investigate its role in a...

Peng Wei, Zhihong Zhang, **nlei Chen, **yun Yan, Yixun Liu in Chinese Science Bulletin (2003)

Article

Cloning and enzymology analysis of farnesyl pyrophosphate synthase gene from a superior strain ofArtemisia annua L.

A cDNA(af1) encoding farnesyl pyrophosphate synthase AaFPS1 (FPS, EC2.5.1.1/EC2.5.1.10) from a high yieldArtemisia annua strain 025 has been cloned from its cDNA library. Sequence analysis showed that the cDNA en...

Yujun Zhao, Hechun Ye, Guofeng Li, Dahua Chen, Yan Liu in Chinese Science Bulletin (2003)

Article

Study on variational aerosol fields over Bei**g and its adjoining areas derived from Terra-MODIS and ground sunphotometer observation

This paper presents a comprehensive observation technique on derived aerosols data from mobile sunphotometer graph and Terra-Moderate Resolution Imaging Spectroradiometer (MODIS) observation. Research results ...

**angde Xu, **uji Zhou, Yonghui Weng, Guoliang Tian, Yujie Liu… in Chinese Science Bulletin (2003)

Article

Simulation of meridional overturning in the upper layer of the South China Sea with an idealized bottom topography

The large-scale upper circulations and meridional overturning in the upper layer of the South China Sea (SCS) with idealized bottom topography in winter and summer are investigated. Simulations with the GFDL g...

Dongxiao Wang, **ongbin Liu, Wenzhi Wang, Yan Du, Weidong Zhou in Chinese Science Bulletin (2004)

Article

Micro structure and application of mesoporous nanosize zirconia

The mesoporous nanoscale zircoina zeolite was firstly synthesized via solid state—Structure directing method without addition of any stabilizer. The sample bears lamellar or worm pore structures, relatively hi...

**nmei Liu, Zifeng Yan, G. Q. Lu in Chinese Science Bulletin (2004)

Article

Isolation and characterization of a novelcis-acting sequences regulating root-specific gene fromDaucus carota L

Aquaporins are ubiquitous channel proteins that facilitate the transport of water across cell membranes. Most of aquaporins are represent in more than one tissues, but some of them performed highest in roots. ...

Yan Liu, Chang-an Guo, Haibo Ren, Fan Chen in Chinese Science Bulletin (2004)

Article

SHRIMP U-Pb zircon ages for the UHP metamorphosed granitoid gneiss in Altyn Tagh and their geological significance

Cathodoluminescence (CL) and mineral inclusions investigations show that zircons from Yinggelisayi UHP metamorphosed granitoid gneiss in Altyn Tagh exhibit core-mantle-rim internal texture with magmatic residu...

Anda Zhang, Liang Liu, Yong Sun, Danling Chen, Yan Wang… in Chinese Science Bulletin (2004)

Article

The role of sulfur in the pyrolysis of kerogen

Sulfur plays an important role in the generation and evolution of hydrocarbon from organic matter. Here, a pyrolysis experiment in closed system was performed on Maoming oil shales kerogen (Type I), Maoming oi...

Qin Yan, **’an Peng, Chiling Yu, **zhong Liu in Chinese Science Bulletin (2004)