Mirabilis anther, light micrograph

Mirabilis anther, light micrograph

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Credit: ROBERT MARKUS/SCIENCE PHOTO LIBRARY

Caption: Mirabilis anther and pollen grains, confocal fluorescence light micrograph. This anther is from Mirabilis jalapa, the four o'clock flower. Anthers are the pollen-producing structures of flowers, and pollen grains (yellow) are being released from an anther that has split along its stromium in a process called dehiscence. The fluorescence markers, used here in an RGB (red-green-blue) colour-coding, are DAPI, acridine orange, and Alexa Fluor 546. Magnification: x110 when printed at 10 centimetres across.

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Keywords: acridine orange, alexa fluor 546, anther, anthers, autofluorescence, biological, biology, botanical, botany, confocal, dapi, dehiscence, diamidino phenylindole, flora, flower, fluorescence, fluorescent, four o'clock flower, light micrograph, light microscope, lm, male, mirabilis jalapa, nature, pollen, pollen grain, pollen grains, pollen sac, reproduction, reproductive part, reproductive parts, stamen, stromium

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