نتایج جستجو برای: ploidy
تعداد نتایج: 3673 فیلتر نتایج به سال:
poly (ADP-ribose) polymerase catalytic domain. Braz. J. Med. Biol. Res. 30:923-928. 14.Mortensen, C. 1995. Clonagem e expressão de hormonios peptídicos humanos em vetores de expressão de baculovirus. Master’s degree dissertation. University of São Paulo, Chemistry Institute. 15.Moscardi, F. 1989. Use of viruses for pest control in Brazil: the case of the nuclear polyhedrosis virus of the soybea...
Fenugreek (Trigonella foenum-graecum) is an annual herbaceous plant belongs to Papilionaceae family and is important as a pharmaceutical, agronomic and pastural plant. In order to study the effect of trifluralin on ploidy induction and cytogenetic characteristics of cells in the root meristem of fenugreek some seeds of this species were planted in the incubator and after germination root tips w...
The liquid-based cytology (ThinPrep) is an alternative to the long-used conventional cytology that received Food and Drug Administration approval in 1996. The purpose of the current study was to determine the diagnostic cytomorphologic criteria of ThinPrep cytology and a comparison of the accuracy of conventional and ThinPrep cytology in investigation of patients with epithelial ovarian cancer....
Citation: Hunter JE, Frada MJ, Fredricks HF, Vardi A and Van Mooy BAS (2015) Targeted and untargeted lipidomics of Emiliania huxleyi viral infection and life cycle phases highlights molecular biomarkers of infection, susceptibility, and ploidy. Front. Mar. Sci. 2:81. doi: 10.3389/fmars.2015.00081 Targeted and untargeted lipidomics of Emiliania huxleyi viral infection and life cycle phases highl...
Cytological processes of differentiation in the embryo suspensor of Sedum acre L. were compared with the development of the embryo proper. The zygote undergoes an asymmetric division to produce an apical cell and a basal cell, which becomes the basal cell of the suspensor. The mature differentiated suspensor consists of a large haustorial basal cell and 3–4 chalazal cells. The basal cell nucleu...
Thirty-two cases of surgically removed astrocytoma were evaluated for the expression of androgen receptors(ARs) immunohistochemically and the relationships between androgen receptors, DNA ploidy pattern, and survival of patients were studied. The cases included 18 grade I/II astrocytomas, 4 anaplastic astrocytomas, and 10 glioblastoma multiforme(GBM). Positive AR was present in 12 out of 32 cas...
Lichens and mosses often share the same environmental conditions where they compete for substrate and other essential factors. Lichens use secondary metabolites as allelochemicals to repel surrounding plants and potential rivals. In mosses, endoreduplication leads to the occurrence of various ploidy levels in the same individual and has been suggested as an adaptation to abiotic stresses. Here,...
Chromosomal imbalances were analyzed in 62 breast cancers with different DNA ploidy by CGH. The results of DNA image cytometry and CGH are consistent with peridiploid and aneuploid cases. The peritetraploid tumors harbored a high number of chromosomal imbalances, as a hint for an unfavorable prognosis. The quantitative analysis of imbalances highlighted the role of different physical constituen...
Hybrid or polyploid clones of Saccharomyces cerevisiae produced by protoplast fusion were easily isolated by selecting transformants with the plasmid phenotype because the transformation was directly associated with cell fusion. When haploid cells were used as the original strain, the transformants were mostly diploids with a significant fraction of polyploids (triploids or tetraploids). Repeat...
Nuclear DNA flow cytometry was used to differentiate ploidy level and determine nuclear DNA content in Rubus. Nuclei suspensions were prepared from leaf discs of young leaves following published protocols with modifications. DNA was stained with propidium iodide. Measurement of fluorescence of 40 genotypes, whose published ploidy ranged from diploid to dodecaploid, indicated that fluorescence i...
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