نتایج جستجو برای: 4 6 diamidino 2 phenylindole dapi
تعداد نتایج: 3510711 فیلتر نتایج به سال:
Coleus scutellarioides (L.) Benth. is a very popular ornamental plant with attractive colorful foliage and also has several medicinal properties. A detailed cytogenetical study was conducted in the ‘Red Trailing Queen’ horticultural form of this species. Hitherto, elaborate cytogenetic studies species received less attention all previous on chromosomes are decades old. Thus, reassessment necess...
The DNA in isolated chloroplasts was visualized by the fluorescent probe 4'6-diamidino-2-phenylindole (DAPI). When excited with light of 360 nm, the DNA-DAPI complex fluoresces brilliantly at 450 nm. Nuclei also fluoresce but their nucleoli do not. RNase and Pronase treatment of chloroplasts did not affect the fluorescence but both pre- and posttreatment of DAPI-stained chloroplasts with DNase ...
The abbreviations used are: MMTV, mouse mammary tumor virus; LTR, long terminal repeat; SATB1, special AT-rich binding protein 1; CDP, CCAAT-displacement protein; NRE, negative regulatory element; NURD, nucleosome remodeling and deacetylase complex; CHRAC, chromatin-accessibility complex; ACF, ATP-utilizing chromatin assembly and remodeling factor; YY1, ying-yang 1; GFP, green fluorescent prote...
Current methods to measure the fraction of active glycosylase molecules in a given enzyme preparation are slow and cumbersome. Here we report a novel assay for rapidly determining the active fraction based on molecular accessibility of a fluorescent DNA minor groove binder, 4',6-diamidino-2-phenylindole (DAPI). Several 5,6-dihydrouracil-containing (DHU) DNA substrates were designed with sequenc...
In this study we investigated the contact characteristics of human prostate cancer cells (PC3) on silicon micropillar arrays with complex shapes by using high-resolution confocal fluorescence microscopy techniques. These arrays consist of micropillars that are of various cross-sectional geometries which produce different deformation profiles in adherent cells. Fluorescence micrographs reveal th...
A higher GC content region of an Oryza sativa chromosome can be specifically visualized by double staining with propidium iodide (PI) and 4, 6-diamidino-2-phenylindole (DAPI). This procedure allows identification of chromosome 9 from the other rice chromosomes at the pachytene stage. Using rice chromosome 9 as a model, an imaging method to construct a pachytene chromosomal map was developed by ...
Myrtle is an evergreen shrub or small tree widespread throughout the Mediterranean region. In Turkey, both cultivated and wild forms, differing in plant and fruit size and fruit composition, can be found. These differences may have resulted from the domestication of the cultivated form over a long period of time. We investigated whether wild and cultivated forms of myrtle differ in karyological...
The aim of this study was to analyze the viability of using an acellular dermal matrix (ADM) as a reinforcement material for peripheral corneal thinning disease. The complete removal of cell components was confirmed by hematoxylin and eosin (H&E) and 4',6-diamidino-2-phenylindole (DAPI) staining. Transmission electron microscopy determined that the stromal structure was well preserved. Uniaxial...
The interaction between 4',6-diamidino-2-phenylindole (DAPI) and the DNA oligomer [d(CGACGTCG)]2 has been investigated by proton one- and two-dimensional NMR spectroscopy in solution. Compared with the minor groove binding of the drug to [d(GCGATCGC)]2, previously studied by NMR spectroscopy, the interaction of DAPI with [d(CGACGTCG)]2 appears markedly different and gives results typical of a b...
In Drosophila melanogaster, weak incompatibility in crosses between infected and uninfected strains is associated with a Wolbachia microorganism. Crosses between infected males and uninfected females show a reduction (15-30%) in egg hatch. Progeny tests indicated that the infection is widespread in Australian D. melanogaster populations and that populations are polymorphic for the presence of t...
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