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The authors examined the distributional and competitive relationships of two members of the class Chilopoda, Scolopocryptops sexspinosus, a centipede native to the eastern US, and Lithobius forficatus, an exotic centipede introduced from Europe.
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The authors state that arthropods have the capacity of recognizing self from non-self in various defense phenomena including hemolymph clotting, phagocytosis, encapsulation, melanization and clearance of the foreign matter which must be initiated by a first step of molecular recognition.
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The authors show that the vector tissue in four species of leeches is composed of a mass of cells located directly beneath the copulatory area, and two thin strands extend toward the ovaries.
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The authors studied morphological and ultrastructural features of the salivary glands and proboscises of Placobdella ornata, Placobdella parasitica, and Desserobdella picta by light and electron microscopy.
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The authors studied the epidermal cuticle of 4 species of brazilian earthworms with electron microscopy.
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The authors investigated the salivary gland cells of leeches.
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CELL DENSITY-DEPENDENT ACCUMULATION OF QUORUM SENSING SIGNALS IN AGROBACTERIUM VITIS. Russell A. Scott1, Thomas J. Burr2 and Michael A. Savka*1 1Dept. of Biological Sciences. Rochester Institute of Technology, Rochester, NY and 2Department of Plant Pathology NYSAES, Cornell University, Geneva, NY.
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News- and overview site on technical aspects of gene expression analysis with real-time RT-PCR and competitive RT-PCR from the Technical University of Munich, Germany
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The authors studied the fertility of thorny-headed worms from Lake Baikal.
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