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216 Result(s)
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Article
Establishment and characterization of a continuous murine uterine cervix cancer cell line metastatic to lymph nodes and lungs
The murine uterine cervix cancer (MUCC) cell line was derived from a chemically induced Kunming mouse uterine cervix cancer (U27) and maintained in culture on solid substrates for over 100 passages. Cultures w...
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Article
Role of interspecies transfer of chromosomal genes in the evolution of penicillin resistance in pathogenic and commensal Neisseria species
The two pathogenic species of Neisseria, N. meningitidis and N. gonorrhoeae, have evolved resistance to penicillin by alterations in chromosomal genes encoding the high molecular weight penicillin-binding protein...
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Article
Effect of washing on the plasma membrane and on stress reactions of cultured rose cells
Cultured cells of Rosa damascena have been used as a model for studies of responses of plant cells to various stresses, including UV radiation, protein-synthesis inhibitors, and elicitors from pathogens. Many of ...
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Article
Micropropagation of Sego Lily
The Sego lily (Calochortus nuttallii T. & G.) produces showy flowers and is a wild species indigenous to the western United States. A 3- to 5-fold increase in shoots per month was achieved when basal sections ...
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An allotriploid derived from a amphidiploid × diploid
A fully fertile interspecific hybrid (Cucumis hytivus Chen and Kirkbride, 2n =4x =38) between Cucumis hystrix Chakr. (2n= 2x =24) and C. sativus L. (2n = 2x = 14) was previously produced by means of F1 (2n = 19) ...
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Article
Genetic effects on biomass yield in interspecific hybrids between Brassica napus and B. rapa
This study was conducted to estimate the genetic effects on biomass yield in the interspecific hybrids between Brassica napus and B. rapa, and to evaluate the relationship between parental genetic diversity and i...
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Article
QTL analysis of seed dormancy in rice (Oryza sativa L.)
Effective cumulative temperature (ECT) after heading would be a more reasonable parameter for seed sampling of pre-harvest sprouting/seed dormancy (SD) tests in segregating populations than the days after flow...
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QTL analysis of leaf photosynthetic rate and related physiological traits in rice (Oryza sativa L.)
Photosynthesis is the primary source ofdry matter production and grain yield inrice. Study on genetics of photosynthesisand related physiological characters isvery important to rice physiologicalbreeding. In t...
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Seed-specific expression of a lysine rich protein sb401 gene significantly increases both lysine and total protein content in maize seeds
The sb401 gene from potato (Solanum berthaultii) encoding a pollen-specific protein with high lysine content was successfully integrated into the genome of maize plants and its expression was correlated with incr...
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Article
Triplet Excitation Transfer between Carotenoids in the LH2 Complex from Photosynthetic Bacterium Rhodopseudomonas palustris
We have studied, by means of sub-microsecond time-resolved absorption spectroscopy, the triplet-excited state dynamics of carotenoids (Cars) in the intermediate-light adapted LH2 complex (ML–LH2) from Rhodopseudo...
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Article
Effects of in vitrorooting environments and irradiance on growth and photosynthesis of strawberry plantlets during acclimatization
Strawberry (Fragaria ananassaDuch. cv. Fengxiang) plantlets were cultured under two in vitroenvironments for rooting, and then acclimatized under two ex vitroirradiance conditions. At the end of rooting stage pla...
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Article
Ectopic expression of a maize pollen specific gene, zm401, results in aberrant anther development in tobacco
Our previous study shows that the maize zm401 cDNA is specifically expressed in maize pollens. This evidence suggests that zm401 likely functions in pollen growth and/or development. To confirm its possible invol...
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Article
Chemistry and Pharmacology of Gynostemma pentaphyllum
In traditional Chinese medicine, Gynostemma pentaphyllum (Thunb.) Makino is a herbal drug of extreme versatility and has been extensively researched in China. The dammarane saponins isolated from Gynostemma penta...
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Article
Controlling Transgene Escape in GM Cree** Bentgrass
Trait improvement of turfgrass through genetic engineering is important to the turfgrass industry and the environment. However, the possible transgene escape to wild and non-transformed species raises ecologic...
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Article
Regeneration of Syngonium podophyllum ‘Variegatum’ through direct somatic embryogenesis
A simple and effective method of regenerating Syngonium podophyllum ‘Variegatum’ via direct somatic embryogenesis has been established. Leaf and petiole explants were cultured on Murashige and Skoog (MS) medium s...
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Article
Genetic Diversity in Accessions of Wild Rice Oryza granulata from South and Southeast Asia
Oryza granulata, an upland wild rice species, represents an unique germplasm for possessing abilities of tolerance to shade and drought, immune to bacterial blight and resistance to brown planthopper. Although lo...
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Article
Effect of mouse calcineurin on induction and growth of rice callus transformed by the calcineurin gene
Calcineurin is a Ca2+/calmodulin dependent serine/threonine protein phosphatase, and has multiple functions in animal cells. In this work, mouse calcineurin was introduced into wild-type rice and the expression o...
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Article
Particle-Bombardment-Mediated Co-Transformation of Maize with a Lysine Rich Protein Gene (sb401) from potato
Little work has been reported on genetic transformation with maize inbred lines, especially elite inbred lines used in breeding. In this work, 7 self-pollinated inbred lines and 4 hybrid lines have been screen...
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Article
QTLs and candidate genes for chlorate resistance in rice (Oryzasativa L.)
Chlorate resistance is one of the reliable characters in Indica/Japonica classification. To understand the genetic basis of chlorate resistance is very important for revealing the evolutionary mechanism of Ind...
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Co-transformation of gene expression cassettes via particle bombardment to generate safe transgenic plant without any unwanted DNA
The presence of resistant selectable marker genes and other added DNAs such as the vector backbone sequence in transgenic plant might be an unpredictable hazard to the ecosystem as well as to human health, whi...