Published June 1994
by Diane Pub Co .
Written in English
|The Physical Object|
Abstract. This study examined the impact of introducing a genetically modified herbicide-degrading bacterium on soil community diversity. As a model the genetically modified bacterium Pseudomonas cepacia AC was used, which is a 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) degrader, formed through molecular breeding (Karns et al., ; Kilbane et al., ).Author: Asim K. Bej, Michael Perlin, Ronald M. Atlas. The impact of genetically modified plants on plant-associated and surrounding soil microorganisms is an uninvestigated area of environmental risk assessment. Transgenic or genetically modified plants possess novel genes that impart beneficial characteristics such as herbicide resistance. One of the least understood areas in the environmental risk assessment of genetically modified crops is their impact on soil‐ and plant‐associated microbial by: However, most studies have reported no changes or only slight transient effects on soil microorganisms due to transgenic traits (Lamarche and Hamelin ;Liu et al. ;Bohm and Rombaldi
These techniques are generally known as recombinant DNA technology. Genetically engineered microorganisms (GEMs) have shown potential for bioremediation of soil, groundwater and activated sludge, exhibiting the enhanced degrading capabilities of a wide range of . One comprehensive review covering 70 scientific articles on the effects of Bt crops on soil ecosystem found that there were few or no toxic effects of Cry proteins on non-target soil organisms including woodlice, collembolans, mites, earthworms, nematodes, protozoa, as well as the activity of different enzymes in soil. The minor effects. Abstract. Intact soil-core microcosms were studied to determine their applicability for evaluating the transport, survival, and potential ecosystem effects of genetically engineered microorganisms before they are released into the environment. Harnessing Genetically Engineered Microorganisms and Mobile Genetic Elements. The fundamental idea behind bioaugmentation is to confer a desired degradation or transformation function to a contaminated medium. Currently, this means inoculating the medium with microbes that express an enzyme of interest.
Conversely, conventional farmlands that are stripped of microorganisms, fungi and organic matter will produce less yield over time until it is completely unusable.  No amount of chemical fertilizer, pesticides, herbicides, and genetically modified organisms can change this fact. It is the way of nature. Lactic acid bacteria (LAB) have been modified by traditional and genetic engineering methods to produce new varieties. Modern techniques of molecular biology have facilitated the identification of probiotic LAB strains, but only a few have been modified by recombinant DNA technology because of consumer resistance, especially in Europe (Ahmed. The debate around genetically modified organisms (GMO) is huge and heated on either side. One of the major considerations when arguing against the use of GMO products is the potential for. Genetically Modified Organisms (GMO) shows beneficial potential towards agriculture and health of human in environmentally friendly way. The large number of reports on risk of ecology and beneficial points of GM plants give stress on that there is a need for experimental work to observe the effects of GMO crops on soil health. The major concern of GMO crops is their effect on non-target soil.