Spirogyra conjugation, light micrograph
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Spirogyra conjugation, light micrograph
Spirogyra algae. Differential interference contrast micrograph of Spirogyra sp. algae after conjugation, a form of sexual reproduction. During conjugation, conjugation tubes (bridge-like structures) are formed between two algal filaments and the contents of one cell passes through the tube. The gametes (sex cells) of the two cells fuse forming a zygospore (black spheres). When conditions are favourable the zygospore will germinate, producing new filaments. Magnification: x75 when printed at 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6295557
© GERD GUENTHER/SCIENCE PHOTO LIBRARY
Algae Algal Conjugating Conjugation Contrast Differential Interference Filament Filamentous Filaments Fresh Water Green Alga Reproducing Sexual Reproduction Light Micrograph Light Microscope
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate process of Spirogyra conjugation, a form of sexual reproduction in algae. Through differential interference contrast microscopy, we are granted a closer look at this mesmerizing biological event. The image reveals two algal filaments connected by bridge-like structures called conjugation tubes. These tubes serve as conduits for the exchange of cellular contents between the cells. As the gametes (sex cells) from each filament fuse together, they give rise to zygospores - depicted as black spheres within the photograph. Under favorable conditions, these zygospores will germinate and develop into new filaments, perpetuating the life cycle of Spirogyra algae. The magnification level employed in this print allows us to appreciate even the finest details at 10 centimeters wide. Nature enthusiasts and botany lovers alike will find themselves captivated by this stunning portrayal of aquatic flora engaged in reproductive activities. It serves as a testament to both the beauty and complexity found within our natural world. Science Photo Library continues its commitment to providing remarkable scientific visuals that educate and inspire viewers about various aspects of biology, including light micrography, sexual reproduction processes, filamentous organisms like Spirogyra algae, and more specifically highlighting their unique feature - conjugation.
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