28 research outputs found
Institutional support and in situ conservation in Mexico: biases against small-scale maize farmers in post-NAFTA agricultural policy
Toward conservational anthropology: addressing anthropocentric bias in anthropology
Anthropological literature addressing conservation and development often blames 'conservationists' as being neo-imperialist in their attempts to institute limits to commercial activities by imposing their post-materialist eco-ideology. The author argues that this view of conservationists is ironic in light of the fact that the very notion of 'development' is arguably an imposition of the (Western) elites. The anthropocentric bias in anthropology also permeates constructivist ethnographies of human-animal 'interactions,' which tend to emphasize the socio-cultural complexity and interconnectivity rather than the unequal and often extractive nature of this 'interaction.' Anthropocentrism is argued to be counteractive to reconciling conservationists' efforts at environmental protection with the traditional ontologies of the interdependency of human-nature relationship
Detection of nontuberculous mycobacteria in surface waters: comparison of culture methods
Detection of non tuberculous mycobacteria in surface waters: comparison of culture methods
Development of methods in bacteriology and molecular biology form count non tuberculous mycobacteria in surface water of Seine River in Paris
Development of molecular biology method for count of non tuberculous mycobacteria in surface water
Comparison of methods available for identification of Mycobacterium chimaera
International audienceObjectives: Mycobacterium chimaera is a recently described nontuberculous mycobacteriumbelonging to the M. avium complex (MAC). Because this species is implicated in a worldwideoutbreak due to contaminated heater-cooler unit water tanks during open-heart surgery, itbecomes mandatory for clinical microbiology laboratories to be able to differentiate M.chimaera from the other MAC species, especially M. intracellulare. Such identification wasso far restricted to specialized laboratories, since it required the analysis of several genesequences. The aim of this study was to evaluate commercialized methods for identifying M.chimaera with regard to the reference gene sequencing ITS, the internal transcribed spacer16-23S.Methods: 47 clinical and environmental isolates including 41 MAC were identified using (i)PCR sequencing of the ITS gene and of the hsp65 gene, (ii) three molecular biology kits(INNO-LiPA Mycobacteria, GenoType Mycobacterium CM and GenoType NTM-DR), and(iii) matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDITOFMS) using MicroFlex software.Results: There was a high concordance for species determination between the reference ITSsequencing and the GenoType NTM-DR test (39/41, 95%), the INNO-LiPA test (38/41, 93%)and the hsp65 sequencing (38/41, 93%). The GenoType CM test did not distinguish M.chimaera from M. intracellulare. MALDI-TOF MS distinguished two M. chimaera - M.intracellulare groups separated from M. avium and from the other mycobacterial species on ascore-oriented dendrogram, but did not differentiate the two species either.Conclusions: This study showed that INNO-LiPA and Genotype NTM-DR are efficientassays for M. chimaera identification in clinical microbiology laboratories