plant surface microbiology.pdf

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Table 1: Studies assessing the impact of GMPs on plant-associated and soil microorganisms
Michael Kaldorf et al.
GMP species, Group(s) of organisms investigated Observations Reference
new characteristics
Brassica sp., tolerance to the Soil bacterial communities Indications for changes in the soil bacterial Siciliano et al. (1998)
herbicide glyphosate communities
Brassica sp., tolerance to the Soil bacterial communities Significant changes in the soil bacterial Dunfield and Germida
herbicide glyphosate communities (2001)
Gossypium hirsutum, Bt toxin Leaf material decomposing bacterial, Two of three transgenic cotton lines caused Donegan et al. (1995)
production resistance to insects fungal, and protozoan populations significant stimulation and qualitative changes
of bacterial and fungal populations
Lotus corniculatus, Opine-utilizing bacteria, soil Increase of opine-utilizing bacteria in the rhizo- Oger et al. (2000)
opine production bacterial community sphere of the GMPs; effect persistent for 22 weeks
Medicago sativa, a-amylase or Soil bacteria, fungi, protozoa, Significant changes in bacterial populations of Donegan et al. (1999)
lignin peroxidase production nematodes and micro-arthropods lignin peroxidase plants; population levels of
fungi, protozoa, nematodes and microarthropods
not affected
Medicago sativa, a-amylase or Soil bacterial communities Significant changes in bacterial populations Di Giovanni et al.
lignin peroxidase production associated with lignin peroxidase plants (1999)
Nicotiana tabaccum, proteinase Protozoa, nematodes, and Changes in nematode populations, reduced Donegan et al. (1997)
inhibitor I, resistance to insects microarthropods Collembola populations on litter from GMPs
Solanum tuberosum, T4 lysozyme Plant-associated bacteria Minor effects on community structure Lottmann et al. (1999)
production, resistance to bacteria
Solanum tuberosum, Introduced, pathogen-antagonistic Significant increase of introduced lysozyme- Lottmann et al. (2000)
T4 lysozyme production bacteria with high lysozyme tolerance tolerant bacteria on GMPs
Solanum tuberosum, Pseudomonads and enterics from No correlation between phenotypic or genotypic Lottmann and Berg
T4 lysozyme production the rhizosphere profile and transgenic character (2001)