376
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Cui X, Wang C, He C. [Studies on film-covered soil setting seedling of Panax notoginseng (Burk.) F.H. Chengfu]. ZHONGGUO ZHONG YAO ZA ZHI = ZHONGGUO ZHONGYAO ZAZHI = CHINA JOURNAL OF CHINESE MATERIA MEDICA 1992; 17:526-7, 575. [PMID: 1292489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Film-covered soil setting seedling can markedly raise the yield of seedling and seedling establishment of Panax notoginseng, thus providing higher economic benefit. The increase of yield in trial plots was about 8.82%-24% higher than the control.
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377
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Zhang L, Cui X, Schmitt K, Hubert R, Navidi W, Arnheim N. Whole genome amplification from a single cell: implications for genetic analysis. Proc Natl Acad Sci U S A 1992; 89:5847-51. [PMID: 1631067 PMCID: PMC49394 DOI: 10.1073/pnas.89.13.5847] [Citation(s) in RCA: 614] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
We have developed an in vitro method for amplifying a large fraction of the DNA sequences present in a single haploid cell by repeated primer extensions using a mixture of 15-base random oligonucleotides. We studied 12 genetic loci and estimate that the probability of amplifying any sequence in the genome to a minimum of 30 copies is not less than 0.78 (95% confidence). Whole genome amplification beginning with a single cell, or other samples with very small amounts of DNA, has significant implications for multipoint mapping by sperm or oocyte typing and possibly for genetic disease diagnosis, forensics, and the analysis of ancient DNA samples.
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378
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Cui X, Gerwin J, Navidi W, Li H, Kuehn M, Arnheim N. Gene-centromere linkage mapping by PCR analysis of individual oocytes. Genomics 1992; 13:713-7. [PMID: 1639398 DOI: 10.1016/0888-7543(92)90146-j] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We describe a general method of determining the recombination fraction between a polymorphic locus and the centromere in any species where single oocytes can be obtained. After removal of the first polar body, each oocyte is analyzed by PCR. The frequency of oocytes heterozygous at the polymorphic locus is used to estimate the recombination fraction. We estimate a recombination fraction of 0.15 between the mouse major histocompatibility complex (H-2) and the centromere of chromosome 17.
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379
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Cui X, Shin K. Intelligent coordination of multiple systems with neural networks. ACTA ACUST UNITED AC 1991. [DOI: 10.1109/21.135691] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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380
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Cui X. [The effect of Cu, Zn, Mn, on selenium content in the liver, brain, blood and kidney of mice]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 1991; 25:345-6. [PMID: 1816995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The influence of dietary copper, zinc and manganese on the contents of selenium in liver, brain, and kidney of 150 mice was studied. The mice were divided into 5 groups with different trace elements in their forage (I. 40ppm Cu+4ppm Se, II. 100ppm Zn+4PPm Se, III. 4ppm Mn+4ppm Se, IV. control group). Every 10 mice were killed at one month intervals in each group and the contents of selenium in liver, brain, kidney and blood were determined. The selenium contents of blood, kidney in I, II groups were significantly lower than in IV group. The selenium content of liver was also significantly lower than IV group in two months, but no difference in the third month. No change of selenium content in brain had been observed.
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381
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Li X, Shi C, Cui X. [Various methods of processing pyritum]. ZHONGGUO ZHONG YAO ZA ZHI = ZHONGGUO ZHONGYAO ZAZHI = CHINA JOURNAL OF CHINESE MATERIA MEDICA 1991; 16:598-600, 639-40. [PMID: 1820791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Five methods of processing pyritum and the effect of temperature fluctuations on processed products were studied using Fe2+ in the decoction, sulphur in processed products and sulphur separated out of processed products after adding hydrochloric acid as indexes. The results may serve as a reference for further study on pyritum.
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382
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Cui X. [Stimulated chemiluminescence and degranulation of human polymorphonuclear leukocytes: possible involvement in the mechanisms of tissue damage during inflammation]. ZHONGGUO YI XUE KE XUE YUAN XUE BAO. ACTA ACADEMIAE MEDICINAE SINICAE 1991; 13:90-5. [PMID: 1652381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A significant increase of polymorphonuclear leukocytes (PMN) chemiluminescence (CL) was observed when PMN was treated with rat C5ades Arg (r-C5ai), FMLP, opsozined zymosan (STZ) or a calcium ionophore A23487 separately. These stimuli, as well as aggregated IgG (A-IgG), could also cause the release of beta-glucuronidase (beta-g) and myeloperoxidase (MPO) from PMN, on the other hand, elastase (NE) release was not noticed when PMN was treated with r-C5ai and FMLP, which generally stimulated PMN in a cytochalasin B-dependent manner. These results suggest that the kinetics of PMN CL and degranulation vary depending upon the stimulus.
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383
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Shin K, Cui X. Design of a knowledge-based controller for intelligent control systems. ACTA ACUST UNITED AC 1991. [DOI: 10.1109/21.87085] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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384
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Huang Z, Li Z, Zhao D, Hu X, Peng M, Liu X, Shang G, Cui X. [Identification of head skeleton of 10 snake drugs]. ZHONGGUO ZHONG YAO ZA ZHI = ZHONGGUO ZHONGYAO ZAZHI = CHINA JOURNAL OF CHINESE MATERIA MEDICA 1990; 15:517-20, 575. [PMID: 2092709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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385
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Li H, Cui X, Arnheim N. Direct electrophoretic detection of the allelic state of single DNA molecules in human sperm by using the polymerase chain reaction. Proc Natl Acad Sci U S A 1990; 87:4580-4. [PMID: 1972276 PMCID: PMC54160 DOI: 10.1073/pnas.87.12.4580] [Citation(s) in RCA: 95] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
We have developed a procedure that allows the detection of polymerase chain reaction (PCR) products derived from a single target DNA molecule in a human sperm without using radioactive probes. With this method, three genetic loci present in a single sperm can be amplified simultaneously. The amplification procedure is specific as well as efficient and permits detection of the PCR product by ethidium bromide staining after polyacrylamide gel electrophoresis. When allele-specific PCR primers that differ in length are used, the size of the PCR products of different alleles also vary in length, allowing the allelic state at each locus to be determined electrophoretically. Studies on individual sperm by using this procedure should facilitate the measurement of genetic recombination in humans over small physical distances. The ability to directly analyze the allelic state of PCR products from one cell rapidly and simply will also be useful for the prenatal diagnosis of genetic disease, especially in the analysis of single blastomeres taken from in vitro fertilized eggs prior to implantation.
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386
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Lu MH, Jiang HM, Xu BQ, Cui X, Xu ZX. Relationship between viral hepatitis and four trace elements in sera. Chin Med J (Engl) 1989; 102:600-1. [PMID: 2517616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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387
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Anassontzis E, Katsanevas S, Kiritsis E, Kourkoumelis C, Markou A, Resvanis LK, Voulgaris G, Binkley M, Cox B, Enagonio J, Hojvat C, Judd D, Kephart RD, Malhotra PK, Mazur PO, Murphy CT, Turkot F, Wagner RL, Wagoner D, Yang W, Areti H, Conetti S, Lebrun P, Ryan DG, Ryan T, Schappert W, Stairs DG, Akerlof C, Cui X, Kraushaar P, Nitz D, Thun R, Wang L, He M, Zhang NJ. High-mass dimuon production in p-barN and pi -N interactions at 125 GeV/c. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1988; 38:1377-1403. [PMID: 9959285 DOI: 10.1103/physrevd.38.1377] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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388
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March PE, Lerner CG, Ahnn J, Cui X, Inouye M. The Escherichia coli Ras-like protein (Era) has GTPase activity and is essential for cell growth. Oncogene 1988; 2:539-44. [PMID: 2838786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The era gene of Escherichia coli encodes a protein (Era) which is similar to the eucaryotic RAS family of proteins. We report here that purified Era possesses both GTP-binding and GTPase activities. Era is also shown to be loosely associated with the inner membrane of E. coli. Overproduction of Era to 5% of the total cellular protein does not apparently alter either cell growth or cAMP levels. Disruption of the era gene by insertional inactivation is shown to be lethal by construction of a conditional lethal era mutant strain.
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389
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Anassontzis E, Katsanevas S, Kostarakis P, Kourkoumelis C, Markou A, Resvanis LK, Voulgaris G, Binkley M, Cox B, Enagonio J, Hojvat C, Judd D, Kephart RD, Malhotra PK, Mazur PO, Murphy CT, Turkot F, Wagner RL, Wagoner DE, Yang AW, Areti H, Conetti S, Lebrun P, Ryan DG, Ryan T, Schappert W, Stairs DG, Akerlof C, Cui X, Kraushaar P, Nitz D, Thun R, Wang L, Mao H, Nai-jian Z. Continuum dimuon production in p-bar-W collisions at 125 GeV/c. PHYSICAL REVIEW LETTERS 1985; 54:2572-2575. [PMID: 10031380 DOI: 10.1103/physrevlett.54.2572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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