منابع مشابه
Chemical communication among bacteria.
Cell-cell communication in bacteria is accomplished through the exchange of chemical signal molecules called autoinducers. This process, called quorum sensing, allows bacteria to monitor their environment for the presence of other bacteria and to respond to fluctuations in the number and/or species present by altering particular behaviors. Most quorum-sensing systems are species- or group-speci...
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Bacteriophages (phages) are viruses that infect members of domain Bacteria, contrasting the viruses of domains Archaea or Eukarya. Ecology is the interaction of organisms with environments, and those interactions, broadly speaking, may be depicted as forms of communication – the movement of information between or among entities, or at least the presentation of potentially detectable signals. Re...
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The role of chemical communication among competitors in streams is virtually unknown, especially in tropical streams. In this study, we experimentally examined the ability of four tropical invertebrate shredders (Anisocentropus kirramus Neboiss 1980, Lectrides varians Mosely 1953, Triplectides gonetalus Moser & Neboiss 1982 and Atalophlebia sp.) to detect and respond to chemical cues from compe...
متن کاملIntercellular Communication in Bacteria
Historically, conventional thinking in evolutionary biology has drawn a bright line separating multicellular from unicellular organisms. Only the cells of animals, plants, and fungi were thought capable of achieving the synchrony required to function as a collective. Bacteria, in contrast, were perceived as blind, deaf, and mute, with each cell single-mindedly focusing on its own metabolism and...
متن کاملInterspecies communication in bacteria.
Until recently, bacteria were considered to live rather asocial, reclusive lives. New research shows that, in fact, bacteria have elaborate chemical signaling systems that enable them to communicate within and between species. One signal, termed AI-2, appears to be universal and facilitates interspecies communication. Many processes, including virulence factor production, biofilm formation, and...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2003
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1934514100