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Corpus Systématique Végétale

Titre du document

Yeast communities from host plants and associated Drosophila in southern arizona: new isolations and analysis of the relative importance of hosts and vectors on comunity composition

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Springer (journals)
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Mots-clés d'auteur
  • Yeast
  • Drosophila
  • Host plants
  • Communities
  • Vectors
Nom du fichier dans la ressource
  • Philip F. Ganter 1
  • William T. Starmer 1
  • Marc-Andre Lachance 2
  • Herman J. Phaff 3
  • 1) Biology Department, 13210, Syracuse, NY, USA
  • 2) Department of Plant Sciences, University of Western Ontario, N6A 5B7, London, Ont., Canada
  • 3) Department of Food Science and Technology, University of California, Davis, 95616, Davis, CA, USA

The yeast communities from slime fluxes of three deciduous trees (Prosopis juliflora, Populus fremontii and Quercus emoryi) and the necroses of two cacti (Opuntia phaeacantha and Carnegiea gigantea) were surveyed in the region of Tucson, Arizona. In addition, the yeasts carried by dipterans associated with the fluxes or necroses (Drosophila carbonaria, D. brooksae, D. nigrospiracula, D. mettleri, and Aulacigaster leucopeza) were sampled. The results indicate that each host sampled had a distinct community of yeasts associated with it. The dipterans, which can act as vectors of the yeasts, deposited yeasts from other sources in addition to those found on their associated hosts. It is argued that host plant physiology is relatively more important than the activity of the vector in determining yeast community composition. Furthermore, the average number of yeast species per flux or necrosis is not different from the average number of yeast species per fly. It is hypothesized that the vector may affect the number of species per individual flux or not, and that the number is lower than the rot or necrosis could potentially support.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - ecology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - phytopathologie. zoologie agricole. protection des cultures et des forets
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
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