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Two studies published in the past six months reveal a disturbing finding: glyphosate-based herbicides such as Roundup® appear to suppress the growth of beneficial gut bacteria, leading to the overgrowth of extremely pathogenic bacteria.
Late last year, in an article titled Roundup Herbicide Linked to Overgrowth of Deadly Bacteria, we reported on new research indicating that glyphosate-based herbicides such as Roundup® may be contributing to the overgrowth of harmful bacteria, both in GM-produced food and our own bodies. By suppressing the growth of beneficial bacteria and encouraging the growth of pathogenic ones, including deadly botulism-associated Clostridum botulinum, GM agriculture may be contributing to the alarming increase, wordwide, in infectious diseases that are resistant to conventional antibiotics, such as Methicillin-resistant Staphylococcus aureus (MRSA) and Carbapenem-resistant Enterobacteriaceae (CRE), which the CDC's director recently termed a 'nightmare bacteria.'
GMO Herbicides May Lead To The Overgrowth of Harmful Bacteria, Including Deadly Clostridum Botulinum
Now a new study published in the journal Anaerobe titled, "Glyphosate suppresses the antagonistic effect of Enterococcus spp. On Clostridum botulinum," confirms this herbicide's ability to adversely affect gut bacteria populations (i.e. generate dysbios).[i] In an attempt to explain why Clostridum botulinum associated diseases in cattle have increased during the last 10-15 years in German cattle, researchers theorized that since normal intestinal flora is a critical factor in preventing Clostridum botulinum colonization in conditions such as infantile botulism perhaps the ingestion of strong biocides such as glyphosate found in GM cattle feed could reduce their natural, lactic acid bacteria dependent immune defenses as pathogenic microbes.
They reported on the toxicity of glyphosate to Enteroccocus, the most prevalent lactic acid bacteria species in the gastrointestinal tract of cattle, and concluded "Ingestion of this herbicide could be a significant predisposing factor that is associated with the increase in C. botulinum mediated diseases in cattle."
Of course, the implications of this finding extend beyond the health of cattle or poultry. The majority of American consumers who don't even have the legal right to know through truthful labeling if they are eating GMOs, are consuming non-organic, Roundup Ready soy, canola, cottonseed or soy on a daily basis, and therefore are being exposed to glyphosate residues year round; additionally, animals fed Roundup sprayed GMO plants will bioaccumulate glyphosate and/or glyphosate metabolites, adding to the consumer's bodily burden of these gut flora-altering, highly toxic chemicals.
GMO Herbicides Kill More Than 'Weeds,' Are Broad-Spectrum Biocides
Glyphosate is a broad-spectrum biocide. It does not discriminate by killing only the "weeds" that compete with the genetically modified plants resistant to it. In fact, it has been found to be toxic to human DNA at concentrations 450-fold lower than presently used in agricultural applications.[ii] When combined with adjuvants and other so-called 'inactive' ingredients, the glyphosate-formulations are far more toxic than their component ingredients taken in isolation.[iii] Nor are the toxic effects limited to plants. A 2012 study published in the journal Environmental Monitoring and Assessment found that Roundup herbicide has DNA-damaging effects to fish after short-term, environmentally low concentration exposures (6.67 μg/L, or, 6.67 micrograms per Liter).[iv] For a comprehensive list of the toxic effects of Roundup and glyphosate visit our research page on the topic: Glyphosate formulations.