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331253 occurrences (No.58 in the rank) during 5 years in the PubMed. [cache]
367) This potential problem has already been underlined by work investigating the incidence of Wolbachia infections in stocks of the model system Drosophila melanogaster.
* A screen for bacterial endosymbionts in the model organisms Tribolium castaneum, T. confusum, Callosobruchus maculatus, and related species.
- Reproductive parasites such as Wolbachia are extremely widespread amongst the arthropods and can have a large influence over the reproduction and fitness of their hosts. Undetected infections could thus confound the results of a wide range of studies that focus on aspects of host behavior, reproduction, fitness, and degrees of reproductive isolation. This potential problem has already been underlined by work investigating the incidence of Wolbachia infections in stocks of the model system Drosophila melanogaster. Here we survey a range of lab stocks of further commonly used model arthropods, focusing especially on the flour beetles Tribolium castaneum and Tribolium confusum, the cowpea weevil Callosobruchus maculatus and related species (Coleoptera: Tenebrionidae and Bruchidae). These species are widespread stored product pests so knowledge of infections with symbionts further has potential use in informing biocontrol measures. Beetles were assessed for infection with 3 known microbial reproductive parasites: Wolbachia, Rickettsia, Spiroplasma. Infections with some of these microbes were found in some of the lab stocks studied, although overall infections were relatively rare. The consequences of finding infections in these or other species and the type of previous studies likely to be affected most are discussed.
=>制度組織体系的方式, システム, 組織, 整然とした手順, (思想などの)体系, 体制
Overview of noun system
The noun system has 9 senses (first 8 from tagged texts)
1. (43) system -- (instrumentality that combines interrelated interacting artifacts designed to work
as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small
computer")
2. (23) system, scheme -- (a group of independent but interrelated elements comprising a unified
whole; "a vast system of production and distribution and consumption keep the country going")
3. (14) system -- ((physical chemistry) a sample of matter in which substances in different phases
are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system
generating hydrogen peroxide")
4. (10) system, system of rules -- (a complex of methods or rules governing behavior; "they have to
operate under a system they oppose"; "that language has a complex system for indicating gender")
5. (8) arrangement, organization, organisation, system -- (an organized structure for arranging or
classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the
organization of them that he was original"; "he tried to understand their system of classification")
6. (7) system -- (a group of physiologically or anatomically related organs or parts; "the body has
a system of organs for digestion")
7. (6) system -- (a procedure or process for obtaining an objective; "they had to devise a system
that did not depend on cooperation")
8. (1) system -- (the living body considered as made up of interdependent components forming a
unified whole; "exercise helped him get the alcohol out of his system")
9. organization, organisation, system -- (an ordered manner; orderliness by virtue of being
methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't
do it unless we establish some system around here")
--- WordNet end ---