6,859 Result(s)

Article

Somaclonal genetics of rice, Oryza sativa L.

The inheritance and variations of some traits of more than 2,000 somatic cell derived plants of rice (Oryza sativa L.) were investigated in the second and third generations (T₂ and T₃) of regenerated plants (soma...

Sun Zong-xiu, Zhao Cheng-zhang, Zheng Kang-le… in Theoretical and Applied Genetics (1983)

Article

Stimulation of cell growth ofTetrahymena pyriformis andChlamydomonas reinhardtii by trace elements

Tetrahymena pyriformis, S1 andBJ11, andChlamydomonas reinhardtii CR were employed to study the stimulation of cell proliferation induced by a number of elements. It was observed that traces of Ga, As, Se, Rb, Sr,...

Yuan-Fang Liu, Ren-Huan Tang, Qing-** Zhang… in Biological Trace Element Research (1986)

Article

Two-phase mixed indicator method for the determination of zwitterionic surfactants

The two-phase, mixed indicator method for anionic surfactants has been modified and applied to zwitterionic surfactants. The modifications entail: (i) lowering the pH; (ii) adding 95% ethanol, and (iii) increa...

Milton J. Rosen, Fulin Zhao… in Journal of the American Oil Chemists’ Soci… (1987)

Article

Some differentiating effects of selenium on the cultured human hepatoma cells and human pulmonary adenocarcinoma cells in vitro

Two human hepatoma cell lines, QGY-7703 and SMMC-7721, and two human pulmonary adenocarcinoma cell lines, LTEP-a-2 and SPC-A-1, were found to respond to 1 μg/mL Na₂SeO₃, 24 h, in-vitro treatment by decreasing its...

Ao Pung, Zhao Mei, Shu-Yu Yu in Biological Trace Element Research (1987)

Article

In vitro differential effects of sodium selenite on the growth of human hepatoma cells and human embryonic liver cells

The effects of various concentrations of Na₂SeO₃ on human hepatoma cells and human embryonic liver cells was investigated in vitro. For human hepatoma cells, mitotic index and cell count decreased with increasing...

Ao Pung, Zhao Mei, Shu-Yu Yu in Biological Trace Element Research (1987)

Article

Differential Effects of selenium on the proliferation of human pulmonary adenocarcinoma cells and human embryonic lung diploid cells in vitro

The effect of different concentrations of Na₂SeO₃ on human pulmonary adenocarcinoma cells and human embryonic lung diploid cells in vitro was investigated. For human pulmonary adenocarcinoma cells, mitotic index ...

Ao Pung, Zhao Mei, Shu-Yu Yu in Biological Trace Element Research (1987)

Article

An extremely thermophilic Methanococcus from a deep sea hydrothermal vent and its plasmid

An extremely thermophilic methanogen was isolated from a hydrothermal vent core sample from Guaymas Basin, Gulf of California, at a depth of 2003 m. The isolate, designated strain AG86, was a coccoid autotroph...

Honxue Zhao, Alvin G. Wood, Friedrich Widdel, Marvin P. Bryant in Archives of Microbiology (1988)

Article

Scavenging effect of extracts of green tea and natural antioxidants on active oxygen radicals

With the use of the spin trap** methods, the scavenging effects of the extracts of green tea and other natural foods are studied. In stimulated polymorphonuclear leukocytes (PMN) system, water extract fracti...

Baolu Zhao, **aojie Li, Rungen He, Shujun Cheng, **n Wenjuan in Cell Biophysics (1989)

Article

Genome-specific repetitive sequences in the genus Oryza

Repetitive DNA sequences are useful molecular markers for studying plant genome evolution and species divergence. In this paper, we report the isolation and characterization of four genome-type specific repeti...

X. Zhao, T. Wu, Y. **e, R. Wu in Theoretical and Applied Genetics (1989)

Article

Specific bleaching of phycobiliproteins from cyanobacteria and red algae at high temperature in vivo

Exposure of blue-green or red algal cells to temperatures exceeding 60–65°C for several minutes resulted in bleaching of all phycobilin absorption in the visible range, with virtually no alteration in chloroph...

**dong Zhao, Jerry J. Brand in Archives of Microbiology (1989)

Article

Lymphocytes can produce respiratory burst and oxygen radicals as polymorphonuclear leukocytes

The respiratory burst and production of oxygen radicals by lymphocytes stimulated with phorbol myristate acetate (PMA) was studied and compared with that of polymorphonuclear leukocytes (PMN) by electron param...

Bao-Lu Zhao, Shao-** Duan, Wen-Juan **n in Cell Biophysics (1990)

Article

Cellulase production from spent sulfite liquor and paper-mill waste fiber

Qu Yinbo, Zhao **n, Gao Peiji, Wang Zunong in Applied Biochemistry and Biotechnology (1991)

Article

Efficient Transformation of Tobacco by Ultrasonication

We report a simple, direct gene transfer technique based on sonication. Transient expression of a β–glucoronidase (GUS) gene was detected in 86 percent of treated leaf segments of Nicotiana tabacum, and the area ...

Li-Jian Zhang, Le-Mei Cheng, Ning Xu, Nan-Ming Zhao, Chang-Gong Li… in Bio/Technology (1991)

Article

Cytology and pollen grain fertility in populations of Astragalus adsurgens Pall. indigenous to Yunwu Mountain in the Loess Plateau, north-west China

The wild type populations of Astragalus adsurgens Pall. growing on the northern slopes of Yunwu Mountain were investigated as a part of the program on the reclamation of the Loess Plateau, north-west China.

F. Kita, A. Hongo, H. Zou, J. Cheng, Z. Zhao in Euphytica (1993)

Article

Effects of selenium deficiency on Ca transport function of sarcoplasmic reticulum and lipid peroxidation in rat myocardium

Two groups of weanling Sprague-Dawley rats were fed a low-selenium basal diet (Se 0.009 mg/kg) and the same diet supplemented with sodium selenite (Se 0.25 mg/kg), respectively, for 1, 2, and 3 months. At each...

Wang Yu-Zhen, Jia **-An, Zhao Jun-yong, Xu Guang-lu in Biological Trace Element Research (1993)

Article

The principle of parabolic feed for a fed-batch culture of baker’s yeast

A parabolic nutrient supplementation has been derived by the specific growth rate, sugar conversion rate, and Pasteur effect, followed by high qualitative and quantitative biomass production with the lowest su...

Rong-Qiao He, Jung Xu, Chuan-You Li, **u-An Zhao in Applied Biochemistry and Biotechnology (1993)

Article

Xanthan fermentations in water/oil dispersions

Xanthan fermentations in W/O dispersions performed better than the control in both small flasks and a 6.6-L fermentor. The better bulk mixing and oxygen transfer achieved in the dispersion resulted in a still ...

Lu-Kwang Ju, Su Zhao in Biotechnology Techniques (1993)

Article

Monokaryotization by protoplasting heterothallic species of edible mushrooms

After regeneration of protoplasts of seven heterothallic of edible mushrooms, two types of monokaryons were recovered, being identified by the absence of clamp connections. In regenerated colonies, monokaryons...

Jiong Zhao, Shu-Ting Chang in World Journal of Microbiology and Biotechnology (1993)

Article

The microbial production of polyhydroxybutyrate from methanol

One hundred strains of methanol-utilizing bacteria were isolated. From them a methylotrophic strain 8502-3 was selected out for biodegradable plastics polyhydroxybutyrate (PHB) production on methanol. It was n...

Shujie Zhao, Chengying Fan, **ao Hu, **gru Chen… in Applied Biochemistry and Biotechnology (1993)

Article

Studies on plant regeneration from cotyledonary protoplasts in Brassica campestris

Protoplasts isolated from both 7-day-old light-grown and 4-day-old dark/dim light-grown cotyledons of four Brassica campestris varieties (Arlo, Sonja, Bunyip and Wonk Bok) were cultured in three liquid media: mod...

Kong-Nan Zhao, Malcolm I. Whitecross, Dennis J. Bittisnich in Plant Cell Reports (1994)