Biomedical subjects

C Buchrieser

Publications and source records attributed to C Buchrieser.

44 records · Page 3Linked to original sources

PubMed1988

On the drinking water situation on the Cape Verde Islands (Islands of Santiago).

On the Cape Verde Islands drinking water investigations were made. The drinking water was tested in chemical and bacteriological respects as well as on amoebas and rotaviruses. The isolated germs were investigated on their reaction against several antibiotics and chemotherapeutics by means of the agar diffusion test. The changing of drinking water quality from water supply places to households was investigated as well. The results make evident the urgency of extensive sanitations of water supply places on the Cape Verde Islands.

Amoeba↗

PubMed1988

Serological investigations for antibodies against Treponema pallidum on the Cape Verde Islands (Santiago and Santo Antao)--2. report.

On the Cape Verde Islands, Santiago and Santo Antao 581 human blood samples were collected. The VDRL and TPHA tests were employed in the serological examinations of samples for antibodies against Treponema pallidum. Positive reactions were shown in 2 of the 191 sera from the Santiago Island and in 12 of the 390 sera from the Santo Antao Island in both the VDRL and the TPHA tests. Including the alone TPHA-positives of 5 and 8 sera respectively, results in a 3.7% of positive sera for Santiago and a 5.1% for Santo Antao. By not taking into account children under 13 years of age, the positivity rises to 4.2% and 7.6% respectively. Giving a total contamination rate of 6.3% for Treponema pallidum.

Adolescent↗

PubMed1988

Further serological investigations in humans and domestic animals on the Cape Verde Islands (Q-fever, brucellosis, listeriosis, shigellosis, campylobacteriosis, yersiniosis, toxoplasmosis and chlamydia of PLT-group).

439 sera of domestic animals and various number (150-500) of human sera of the Cape Verde Islands were examined for antibodies against Coxiella burnetti, Brucella abortus, B.melitensis, Listeria monocytogenes, Shigella dysenteriae, S.flexneri, S. boydii, S.sonnei, Campylobacter jejuni, C.fetus ssp. intestinalis, Yersinia enterocolitica, Toxoplasma gondii and Chlamydia of the PLT-group. It could be shown, that on the Cape Verde Islands there is to be counted with numerous zoonoses due to various microorganisms in man as well as in domestic animals. Q-Fever examination showed exceedingly high positivity of human sera (81.6%) and those of domestic animals (84.7%). One of the main reasons for the wide distribution of infectious diseases, especially diarrhoeal diseases such as Shigellosis, Yersiniosis and Campylobacter infections as well as Salmonellosis and Amebiasis on the Islands is the bad hygienic situation, an improvement of which as well as an intensification of research work, health education and a better medical care would be essential for the control of communicable diseases on the Cape Verde Islands.

Animals↗

PubMed1988

Additional human Q-fever studies on the Cape Verde Islands--2nd report.

The MAR-test results including titer levels of 1:4 and higher revealed 92% positive reactions in the district of Santa Cruz/Santiago and 77% positive reactions in 6 villages of Santo Antao. The submitted examinations prove the agent Coxiella burnetti's existence responsible for different clinical pictures observed on the Cape Verde Islands.

Animals↗

PubMed1988

Serological investigations in Q-fever and listeriosis of wild-living small mammals on the Cape Verde Islands.

Serological investigations of small mammals had been made on the Island Santiago (Cape Verde Islands), to clear up how far synantropic, small mammals are reservoir hosts for pathogens, such as Coxiella burnetti and Listeria monocytogenes. 367 small mammals representing two species (Rattus rattus and Mus musculus) were trapped. Q-fever antibodies were detected in 155 of 350 examined rats and mice (44.29%). 18.89% of all tested sera showed positive results to Listeria-antigen, serovar 4bH, 5.48% to 4b0 and 9.75% to 01.

Animals↗

PubMed1987

Resistance to antibiotics in humans and animals on the Cape Verde Islands.

From the Cape Verde Islands no studies are known about an efficient treatment with antibiotics and chemotherapeutics. Because of this human samples and samples of domestic animals were collected, the different bacterias were isolated and the antibiograms were analyzed by agar-diffusions-test. The human samples consisted of wound-, eye-, anal-, vaginal- and throat-smears, the animal samples consisted of jaw-, anal- and wound-smears. the aim of these investigations was to make efficient treatment with antibiotics and chemotherapeutics possible. The best efficacy had Cefotaxim, Gentamicin and Trimethoprim + Sulfonamid. Very poor were Penicillin G, Aminopenicillin and Cephalexin.

Animals↗

PubMedDate not supplied

Subtyping of Listeria monocytogenes serovar 4b by use of low-frequency-cleavage restriction endonucleases and pulsed-field gel electrophoresis.

Pulsed-field gel electrophoresis (PFGE) was used to compare the limited number of large restriction fragments generated by digesting DNA of Listeria monocytogenes strains with restriction enzymes characterized by rare recognition sequences. Sixteen macro-restriction patterns were observed with ApaI and SmaI, and 7 with NotI, among 42 strains of serovar 4b, the most important serovar in human listeriosis epidemiology. Analysis of these restriction fragment length polymorphisms enabled a rapid differentiation of genetically closely related strains, revealing differences between strains which initially appeared similar by other typings. The results of this study suggested that the PFGE protocol could be a useful addition to methods currently available for epidemiological analysis of human listeriosis.

Electrophoresis↗

PubMedDate not supplied

Transferable plasmid-mediated resistance to streptomycin in a clinical isolate of Yersinia pestis.

Plasmid-mediated high-level resistance to multiple antibiotics was reported in a clinical isolate of Yersinia pestis in Madagascar in 1997. We describe a second Y. pestis strain with high-level resistance to streptomycin, isolated from a human case of bubonic plague in Madagascar. The resistance determinants were carried by a self-transferable plasmid that could conjugate at high frequencies to other Y. pestis isolates. The plasmid and the host bacterium were different from those previously associated with multiple-drug resistance, indicating that acquisition of resistance plasmids is occurring in this bacterial species. Emergence of resistance to streptomycin in Y. pestis represents a critical public health problem since this antibiotic is used as the first-line treatment against plague in many countries.

Conjugation, Genetic↗