Mitosis. Fluorescence micrograph of a cell during prometaphase of mitosis
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Mitosis. Fluorescence micrograph of a cell during prometaphase of mitosis
Mitosis. Fluorescence micrograph of a cell during prometaphase of mitosis (nuclear division). During mitosis two daughter nuclei are formed from one parent nucleus. Before prometaphase, chromosomes (green) condense into defined units, allowing organised and equal segregation into daughter nuclei. Chromosomes are made up of two identical chromatids. At prometaphase the nuclear envelope breaks down, allowing microtubules (red) and cytoplasmic proteins (blue) to interact with the chromosomes. Microtubules are protein filaments that form spindles, which attach to the chromosomes and pull the sister chromatids to opposite poles of the cell
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Media ID 6453695
© DR PAUL ANDREWS, UNIVERSITY OF DUNDEE/ SCIENCE PHOTO LIBRARY
Bipolar Centromere Centromeres Centrosome Chromatid Chromatids Chromosome Chromosomes Condensation Condensed Cytological Cytology Cytoskeletal Cytoskeleton Division Fixed Fluorescence Micrograph Fluorescent Hela Cell Microscope Microtubule Microtubules Mitosis Mitotic Nuclear Poles Prometaphase Segregation Spindle Spindles Stained Structures Wide Field Deconvoluted Deoxyribonucleic Acid Genetics
EDITORS COMMENTS
This print captures the intricate process of mitosis, a fundamental event in cellular division. The image showcases a cell during prometaphase, a crucial stage where chromosomes condense and prepare for equal distribution into two daughter nuclei. The vibrant green hues represent the condensed chromosomes, which are composed of identical chromatids. Prior to prometaphase, these units organize themselves meticulously to ensure an organized segregation process. As the nuclear envelope disintegrates at this stage, microtubules painted in striking red intertwine with cytoplasmic proteins depicted in blue. These microtubules form spindle structures that attach to the chromosomes and exert forces that pull sister chromatids towards opposite poles of the cell. The complexity and precision displayed within this single snapshot highlight the wonders of biology and genetics. It unveils how cells orchestrate their own reproduction by faithfully replicating their DNA and dividing it equally between two new cells. This fluorescence micrograph not only offers a glimpse into the microscopic world but also serves as a testament to human curiosity and scientific advancement. Through advanced imaging techniques such as wide field deconvolution, scientists can unravel hidden details within cells like never before. Science Photo Library presents this remarkable visual representation without any commercial intent but rather seeks to inspire awe for nature's intricate mechanisms at work within our very own bodies.
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