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Book synopsis

Plants, fungi, and viruses were among the first biological objects studied with an electron microscope. One of the two first instruments built by Siemens was used by Helmut Ruska, a brother of Ernst Ruska, the pioneer in constructing electron microscopes. H. Ruska published numerous papers on different biological objects in 1939. In one of these, the pictures by G. A. Kausche, E. Pfankuch, and H. Ruska of tobacco mosaic virus opened a new age in microscopy. The main problem was then as it still is today, to obtain an appropriate preparation of the specimen for observation in the electron microscope. Beam damage and specimen thickness were the first obstacles to be met. L. Marton in Brussels not only built his own instrument, but also made considerable progress in specimen preparation by introducing the impregnation of samples with heavy metals to obtain useful contrast. His pictures of the bird nest orchid root impregnated with osmium were revolutionary when published in 1934. It is not the place here to recall the different techniques which were developed in the subsequent years to attain the modern knowledge on the fine structure of plant cells and of different plant pathogens. The tremendous progress obtained with tobacco mosaic virus is reflected in the chapter by M. Wurtz on the fine structure of viruses in this Volume. New cytochemical and immunological techniques considerably surpass the morphological information obtained from the pathogens, especially at the host-parasite interface.

Book details

Book category Books in English Mathematics & science Biology, life sciences Cellular biology (cytology)

• Full title: Electron Microscopy of Plant Pathogens
• Author: Dietrich-Eckhardt Lesemann, Kurt Mendgen
• Language: English
• Binding: Paperback
• Number of pages: 336
• EAN: 9783642758201
• ISBN: 9783642758201
• ID: 06621477
• Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
• Weight: 610 g
• Dimensions: 242 × 170 × 20 mm
• Date of publishing: 27. December 2011

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