Publications

the life cycle of dermatophilus dermatonomus, the causal agent of ovine mycotic dermatitis.		1961	14037524
micromorphology of dermatophilus congolensis.	gordon, morris a. (division of laboratories and research, new york state department of health, albany), and mercedes r. edwards. micromorphology of dermatophilus congolensis. j. bacteriol. 86:1101-1115. 1963.-as seen in electron micrographs of thin sections, dermatophilus congolensis is a holocarpic actinomycete that fragments, after formation of septa in several planes, into sarcina-like packets and then into individual cocci. release of coccal forms from the filaments and packets is by dissolu ...	1963	14080778
synergistic effects of salts and carbon dioxide on dermatophilus dermatonomus.		1964	14250803
cutaneous actinomycosis due to the single species dermatophilus congolensis.		1965	4953844
the histopathology of epidermal infection with the actinomycete dermatophilus congolensis.		1965	5843940
penetration and irritation of the skin by dermatophilus congolensis.		1965	5846095
the role of granulocytes in resistance to dermatophilus congolensis.		1965	5891849
the influence of delayed hypersensitivity on the course of infection with dermatophilus congolensis.		1966	5908701
the phagocytic basis of acquired resistance to infection with dermatophilus congolensis.		1966	5917347
transmission of dermatophilus congolensis by stomoxys calcitrans and musca domestica.		1966	5959398
electron microscopic anatomy of motile-phase and germinating cells of dermatophilus congolensis.		1967	6064443
[variability and antigenicity of dermatophilus congolensis].		1967	5597463
mycotic dermatitis in sheep. ii. dermatophilus congolensis and its reactions to compounds in vitro.		1967	5624799
[dermatophilus congolensis, the agent of streptotrichosis in chamois].		1967	5627202
study of the pathogenicity of dermatophilus congolensis van saceghem 1915 on white mice.		1967	5633977
chemotherapy of epidermal infection with dermatophilus congolensis.		1967	4166506
[is the pathogenicity of dermatophilus congolensis related to production of a toxin?].		1968	4984509
geodermatophilus, a new genus of the dermatophilaceae (actinomycetales).	organisms having a complex life cycle similar to the animal pathogen dermatophilus congolensis have been isolated from soils of the united states. the soil isolates grow readily on agar media producing a black, friable, or sooty colony; in broth, the isolates produce a thick sediment with a clear supernatant fluid and occasionally a black surface pellicle. the generic taxon geodermatophilus is proposed for these soil isolates. geodermatophilus differs morphologically from dermatophilus in thallu ...	1968	5726312
[taurine and zebu cattle healthy carriers of dermatophilus congolensis in chad].		1969	5817933
an outbreak of contagious pustular dermatitis associated with dermatophilus congolensis infection.		1970	5274960
[dermatitis in seals (otaria bryonia blainville) caused by dermatophilus congolensis].		1971	5100494
comparison of strains of dermatophilus congolensis van saceghem 1915 isolated from different species of animals.		1971	5105900
[microbiological studies on two strains of dermatophilus congolensis van saceghem 1915].		1971	5137924
experimental dermatophilus congolensis infection of chicken embryos.		1971	5150326
pathogenicity of dermatophilus and geodermatophilus.	cutaneous infection in laboratory animals could not be induced with any of several strains of geodermatophilus. a model for consistent production of streptotrichosis in rabbits, with cultures of dermatophilus congolensis, is presented.	1971	5154874
bacteriology of nigerian strains of dermatophilus congolensis.		1971	5164598
effect of methotrexate on rabbits infected with mycobacterium paratuberculosis or dermatophilus congolensis.		1972	4621817
pitted keratolysis and dermatophilus congolensis.		1972	5017271
dermatitis caused by dermatophilus congolensis infection in polar bears (thalactos maritimus).		1972	5049481
[a new diagnosticly utilizable culture property of dermatophilus congolensis].		1973	4204544
dermatitis caused by dermatophilus congolensis in polar bears (thalarctos maritimus).		1973	4721942
[dermatophilus congolensis infection in the dog (van saceghem, 1915)].		1973	4801996
a comparative serological study of dermatophilus congolensis antigens prepared by different methods.		1974	4211750
extent of skin penetration by dermatophilus congolensis in bovine streptothricosis.		1974	4413392
[dermatophilus congolensis and trichophyton rubrum found in the same lesion].		1974	4478875
dermatophilus congolensis chronic nodular disease in man.		1974	4545552
[skin disease in cattle, caused by dermatophilus congolensis].		1975	53909
[a case of cutaneous actinomycosis (streptothricosis) in cattle, caused by dermatophilus congolensis (author's transl)].	a skin condition in cattle, associated with crusted lesions on the back, flanks, neck, head and skin of the udder was found to be cutaneous actinomycosis (streptothricosis) caused by d. congolensis, which is common in tropical regions during the rainy season. this actinomycete was isolated for the first time from cattle in the netherlands in the case reported. data culled from the literature as well as the diagnosis and treatment of the patient are discussed.	1975	1096360
streptothricosis in the domestic donkey (equus asinus asinus). ii. bacteriological and immunological relationships of the strains of dermatophilus congolensis isolated.		1975	1125751
spontaneous dermatophilosis in twin white-tailed deer fawns.	twin white-tailed deer (odocoileus virginianus) fawns captured in morris county, new jersey, displayed papular, darkly pigmented scabs principally on the skin overlying the nasal bones, dentary, commissure of the lips and ears. histopathological and bacterial examinations revealed dermatophilus congolensis. the epidermitis caused by this bacterium apparently had developed within the first 12 to 14 days after birth and had begun to regress by one month of age. the location of the lesions sugges ...	1975	1152179
dermatophilosis in australian bearded lizards.	dermatophilosis (dermatophilus congolensis) was diagnosed in 3 australian bearded lizards. each lizard died of causes associated with stress and poor adaptability, although the lesions appeared to be regressing at the time of death.	1975	1176344
effects of various induced local environmental conditions and histopathological studies in experimental dermatophilus congolensis infection on the bovine skin.	although localised to the site of inoculation, experimental cutaneous streptothricosis was readily produced on scarified and/or defatted bovine skin infected with nutrient broth cultures of dermatophilus congolensis. there was no difference in the extent and duration of lesions produced by either method. d congolensis failed to infect intact normal skin. simulated rainfall and insect bite did not effect spread and production of generalized streptothricosis. on the other hand, localised experimen ...	1975	1215673
dual infection of a white-tailed deer by dermatophilus congolensis and alternaria alternata.	infection by both dermatophilus congolensis and alternaria alternata was found in a 5 1/2-year-old, female white-tailed deer (odocoileus virginianus). encrusted lesions characteristic of dermatophilosis were observed on the hocks, flanks, and back. giemsa-staining of smears of material from beneath the crusts revealed branching filaments, transversely and longitudinally divided into packets of coccoid cells typical of d congolensis. hyphae morphologically consistent with those of a alternata wer ...	1975	1236841
[dermatitis in horses caused by dermatophilus congolensis van saceghem 1915].		1976	1259693
[dermatitis in horses caused by dermatophilus congolensis van saceghem 1915].		1976	1259696
experimental infection of domesticated animals and the fowl with dermatophilus congolensis.		1976	1270633
dermatophilosis in a titi monkey (callicebus moloch).	the occurrence of dermatophilosis in the titi monkey is reported. lesions were principally in the epidermis of the skin and were characterized by parakeratosis, necrosis, abscess formation, acanthosis, and hyperkeratosis. the cause, dermatophilus congolensis, was demonstrated as a gram-positive filamentous organism with both horizontal and vertical septums.	1976	824984
human infection with dermatophilus congolensis.	dermatophilosis is a skin disease in animals and humans caused by the actinomycete dermatophilus congolensis. this microorganism causes the skin disease in sheep commonly referred to in australia as "lumpy wool" or mycotic dermatitis. one proven case of human dermatophilosis and two cases with features which are clinically highly suggestive of the disease from south australia are described. there has been only one previous report of human infection caused by d. congolensis, which was from the un ...	1976	944845
subcutaneous infection with dermatophilus congolensis in a cat.		1976	945810
dermatophilosis among wild raccoons in new york state.	dermatophilus congolensis was established as the cause of dermatitis in 8 raccoons, as determined from examination of carcasses and untreated hides. encrusted lesions were restricted to or more pronounced in the areas around the eyes, along the snout, and on the skin in the tarsal and carpal regions. the causative agent was demonstrated through direct examination of stained paraffin sections, isolation in pure culture, or examination of stained smears from lesions induced experimentally in rabbi ...	1976	977468
dermatophilosis in the marble lizard (calotes mystaceus).	dermatophilus congolensis was isolated from cutaneous hyperkeratotic nodules of two marble lizards. the organism was similar to strains of d congolensis previously characterized as mammalian pathogens. the isolate was experimentally transmitted to other marble lizards and to spb:(sw)br mice by subcutaneous inoculation and by topical application after skin scarification.	1976	979149
dermatophilus congolensis. a bacteriological, in vitro antibiotic sensitivity andhistopathological study of natural infection in sudanese cattle.		1976	1033016
sequential pathological changes in natural and experimental dermatophilosis in bunaji cattle.	differences in histopathological changes between experimentally and naturally induced dermatophilosis were slight; natural infections persisted longer as they tended to be complicated by other concurrent dermatoses. sequential pathological changes in bovine dermatophilosis included congestion, dermal oedema and neutrophilic infiltration of dermal papilae and epidermis by the third day; degenerative changes of cells in the upper portion of the stratum spinosum and invasion of the keratinised laye ...	1977	841200
dermatophilus dermatitis enzootic in deer in new york state and vicinity.	in a recent 2-year period dermatophilus congolensis infection, ranging from mild to very severe, was found in 15 white-tailed deer (odocoileus virginianus) taken in southeastern new york state (12) adjacent new jersey (2) and central vermont (1). the host range for dermatophilus congolensis is given.	1977	864851
control of dermatophilus congolensis infection.		1977	867783
isolation of dermatophilus congolensis and certain mycotic agents from animal tissues: a laboratory summary.	one hundred fifty-nine specimens from animal sources were examined for mycotic agents. isolations were made from 57.9%. dermatophytes were isolated from 13.2%, dermatophilus congolensis from 10.7%, yeasts from 14.5%, and other fungi from 19.5% of the submissions.	1977	563205
morphological, cultural and biochemical characteristics of dermatophilus congolensis.		1978	735588
the effect of prednisolone trimethylacetate on the pathogenicity of dermatophilus congolensis to white mice.	albino mice were successfully infected intravenously, subcutaneously, intraperitoneally and on the intact and scarified skin with dermatophilus congolensis. various gross lesions were observed. large subcutaneous nodules were produced in mice that were injected subcutaneously. lesions involving the internal organs were obtained in mice that had been injected intravenously and intraperitoneally in addition to microabsessation and scab formation on the tails of those that were injected intravenous ...	1978	750937
humoral and cell-mediated immune response to crude antigens of dermatophilus congolensis during experimental infection of rabbits.	rabbits were infected with dermatophilus congolensis and tested for humoral immune response by indirect haemagglutination and for cell-mediated immune response to crude antigens of d. congolensis. lymphocyte transformation and macrophage migration inhibition assays were used as in vitro correlates of cell-mediated immune response while cutaneous delayed hypersensitivity was used in vivo. endo-antigen and whole cell antigen were found to significantly induce cell-mediated immune response. in cont ...	1979	371764
[experimental study of dermatophilus congolensis and its sensitivity to miconazole].		1979	523728
a study of the ultrastructure and the life cycle of dermatophilus congolensis.		1979	532474
cure of dermatophilus congolensis infection in cattle by long-acting oxytetracycline.	under conditions simulating traditional husbandry, a single intramuscular dose (20 mg/kg) of long-acting oxytetracycline was efficacious in treating different grades of bovine dermatophilosis. there was complete healing in 26 out of 28 animals (93 per cent) within four weeks. by contrast, only four out of 11 animals treated with penicillin (70,000 iu/kg) plus streptomycin (70mg/kg) were apparently cured and three relapsed within one month. no spontaneous recoveries were observed among 18 untreat ...	1979	542717
[dermatophilus congolensis infection in a dairy cow in quebec (author's transl)].	dermatophilus congolensis infection in a dairy cow in quebeca case of infection by dermatophilus congonlensis is described for the first time in the province of quebec, in a dairy cow. dermatophilosis was diagnosed in the area of saint-hyacinthe in october 1978. it was not possible to find the source of the infection. the isolation of the microorganism was successful and the three techniques used are described. the death of the animal was attributed to complications following invasion by a secon ...	1979	544005
the reverse single radial immunodiffusion technique for detecting antibodies to dermatophilus congolensis.	the reverse single radial immunodiffusion technique was used to detect dermatophilus congolensis antibody in sera collected from animals previously infected to varying levels with d congolensis. ammonium sulphate and trichloroacetic acid extracts of five different strains of d congolensis obtained from different geographical locations were used as antigens. all the extracts showed variations in their sensitivities in detecting d congolensis antibody in the various serum samples. multiple antibod ...	1980	6776677
pathogenicity and transmission of dermatophilus congolensis isolated from cattle in puerto rico.		1980	6947286
the effect of climate on experimental infection of bovine skin with dermatophilus congolensis.		1980	7397466
pathologic changes in lizards (agama agama) experimentally infected with dermatophilus congolensis.	captive laboratory-held lizards (agama agama) experimentally inoculated with dermatophilus congolensis by subcutaneous, intramuscular and intraperitoneal routes developed pyogranulomatous and necrotic lesions at and around the sites of inoculation. d. congolensis was consistently cultured from the lesions even at 75 days post inoculation. histopathologic examination of selected organs and tissues showed granulomatous caseous abscesses in the dermis, subcutaneous tissue and liver, edema of the de ...	1980	7411747
the epizootiology of dermatophilus congolensis infection.		1980	7455278
inhibition of dermatophilus congolensis infection in a mouse model by antibiotic-producing staphylococci.	in an acute model of skin infection with dermatophilus congolensis in the mouse, lesions can be prevented by simultaneous application of staphylococci which produce antibiotics; non-producer staphylococci fail to inhibit lesion formation.	1980	7459258
the association between body strike and dermatophilosis of sheep under controlled conditions.	the association of dermatophilosis with body strike of sheep caused by lucilia cuprina was studied in a controlled environment. when sheep with areas of wet normal fleece and areas of wet fleece containing scabs induced by infection of the skin with dermatophilus congolensis were exposed to gravid l. cuprina the files oviposited only on dermatophilosis-affected areas. in wet dermatophilosis-affected fleece, naturally oviposited l. cuprina eggs hatched and the larvae developed to the second insta ...	1981	6895592
detection of dermatophilus congolensis antibody in the milk of streptothricosis infected cows.	passive haemagglutination and agar gel diffusion tests were used to detect specific antibody to dermatophilus congolensis antigens in serum and milk of eight streptothricosis infected friesian milking cows. all the sera and milk samples showed the presence of antibody but titres were higher in sera. precipitating antibodies were detected only in three sera. a possible implication of this finding is discussed with respect to passive immunity in the young calves from infected dams.	1981	6789425
fungal growth in aphakic soft contact lenses.	fungal growth was detected in two aphakic hydrophilic contact lenses. aspergillus species was cultured from the extended-wear contact lens and dermatophilus congolensis was identified by specific antibody staining of the daily-wear contact lens. as in the 16 previously described cases of fungal contact lens growth, our patients had no evidence of ocular infection but did experience irritation which cleared up when contact lens wear was discontinued. although only a small percentage of contact le ...	1981	7234946
resistance of dermatophilus congolensis and the effect of vitamin supplementation on the growth of the organism.		1981	7260568
preliminary investigation on the ecology of dermatophilus congolensis.		1981	7278873
primary and secondary humoral immune responses in cattle experimentally infected with dermatophilus congolensis.		1981	7296020
the pattern of sensitivity of a dermatophilus congolensis (d. congolensis) strain to various antibiotics in vitro, in nigeria.		1981	7313224
the inoculation of rabbits with dermatophilus congolensis and the simultaneous infection of sheep with d. congolensis and orf virus.		1981	7320237
serum and skin surface antibody responses to intradermal vaccination of cattle with dermatophilus congolensis.		1981	7326559
dermatophilus congolensis infections in wildlife in new york state.	dermatophilus congolensis infection is described for the first time in a woodchuck (marmota monax) and a striped skunk (mephitis mephitis). this actinomycete was also recovered from a raccoon (procyon lotor) carcass which had been frozen for a year. encrusted lesions or denuded patches or both were seen during necropsy on the head, thorax, abdomen, and legs of each carcass. d. congolensis was demonstrated in strained smears or paraffin sections or both from the three animals and was recovered fr ...	1981	7334073
measurement of antibody to dermatophilus congolensis in sera from cattle in the west of scotland by enzyme-linked immunosorbent assay.	serum antibody titres to dermatophilus congolensis demonstrated by an enzyme-linked immunosorbent assay (elisa) in young steers and in adult cows from an ayrshire herd showed a bimodal distribution and provided evidence of subclinical infection. very high titres detected in sera from crossbred galloway steers were indicative of recent or existing infection which may have been masked by concurrent ringworm. the elisa is a sensitive and technically simple method which enables sera to be screened f ...	1981	7340080
occurrence of bovine dermatophilosis in the southernmost islands of japan.	such cutaneous symptoms as characteristic incrustation and alopecia were noticed in 25 calves of the indigenous japanese black breed grazing on subtropical islands in japan over a period of april, 1978 to february, 1980. these islands were ishigaki, kuro, yonaguni and tarama belonging to the sakishima islands. microbiological and pathological examination on three of these calves revealed that the calves were affected with dermatophilosis caused by dermatophilus congolensis. the disease in these ...	1981	7341992
serodiagnosis of dermatophilus congolensis infection by counterimmunoelectrophoresis.	sixty-one sera from animals that had contact with dermatophilus congolensis were examined by comparing three serological methods; counterimmunoelectrophoresis, passive haemagglutination, and agar gel diffusion, and by using four different antigenic extracts of d congolensis. the counterimmunoelectrophoresis was the most satisfactory of the methods having been found to be specific and sensitive, easy to perform and suitable for screening large numbers of samples. it was also found to have a highe ...	1982	6818646
dermatophilus congolensis as a model pathogen in mice for the investigation of factors influencing skin infection.		1982	7059783
numerical classification of sporoactinomycetes containing meso-diaminopimelic acid in the cell wall.	one hundred and thirty actinomycetes representing 19 genera and 50 species were compared in a numerical phenetic survey using 108 unit characters. data were examined using the simple matching (ssm), jaccard (sj) and pattern (dp) coefficients and clustering was achieved using both the single and unweighted pair group average algorithms. cluster composition was barely affected by the statistics used or by test error, estimated at 2.1%. over 80% of the strains were assigned to 2 clusters containing ...	1982	7077300
a case report of dermatophilus congolensis in a dog at the freetown veterinary clinic.		1982	7171368
an in vivo method of assay for dermatophilus congolensis.	an in vivo method of assay for dermatophitus congolensis in rats is described. the optimal conditions for preparing skin before infection and subsequently harvesting the zoospores from infected skin were investigated. these experiments showed that clipping the skin had no effect on infection with this bacterium and that when the infected skin was soaked in water, increased amounts of dissolved co2 had no effect on the release of zoospores, which was maximal within 2.5 h of immersion. vaccination ...	1983	6841688
subcutaneous and lymph node granulomas due to dermatophilus congolensis in a steer.		1983	6849215
staphylococcus hyicus in skin lesions of horses.	staphylococcus hyicus (subspecies hyicus) was isolated as the only pathogenic organism from two independent cases of dermatitis of the lower parts of the limbs (grease heel) in horses. the organism was recovered together with other pathogenic staphylococci from similar conditions in two other horses of different origins. these conditions were characterised by epidermolysis, alopecia and crust formation. they responded quickly to antibiotic treatment. the organism was also isolated from a long st ...	1983	6884317
porcine epidermitis and dermatitis associated with staphylococcus hyicus and dermatophilus congolensis infections.		1983	6643216
a phylogenetic analysis of the family dermatophilaceae.	the comparative analysis of the 16s ribosomal ribonucleic acid (rrna) of geodermatophilus obscurus dsm 43060 and dermatophilus congolensis dsm 43037 revealed that these members of the family dermatophilaceae were only remotely related. while g. obscurus represented an individual and separate line of descent within the phylogenetically defined order actinomycetales, d. congolensis was closely related to representatives of arthrobacter, micrococcus, cellulomonas, brevibacterium, promicromonospora ...	1983	6195302
comparison of dermatophilus congolensis precipitating antigens prepared by three methods.		1983	6411286
development of an artificial infection technique for examining the susceptibility of sheep to dermatophilus congolensis.		1984	6517788
infection with dermatophilus congolensis at a contact hypersensitivity site and its relevance to chronic streptothricosis lesions in the cattle of west africa.	guinea-pigs were sensitized to cdnb and infected with d. congolensis at the site of a subsequent application of this chemical. the bacterium was recovered from the skin over a longer period of time in sensitized individuals than in nonsensitized controls. animals rendered tolerant to the chemical gave lower yields of bacteria than sensitized animals. however, the lesions produced at the site of infection did not become chronic. the growth of d. congolensis at a contact hypersensitivity site may ...	1984	6699227
granulomatous sub-dermal lesions in sheep inoculated with dermatophilus congolensis.	dermatophilus congolensis was inoculated subcutaneously into 6 ewes and the resulting lesions were examined by light and electron microscopy. the organism was recovered from the subcutaneous lesions. the lesions were suppurative in the early stages and granulomatous in the advanced stage, but abscesses were the usual lesion observed. the granulomas were composed of several layers; central bacterial colony, neutrophil layer, layer of macrophages, epithelioid cells and langhans and foreign body ty ...	1984	6699228
case of dermatophilus congolensis infection in a two-day-old calf.		1984	6730240
prevalence of antibodies to dermatophilus congolensis in sheep and goats in nigeria.	a serological survey on dermatophilosis was carried out amongst sheep and goats in kaduna state of nigeria. sera were obtained from slaughter animals and from sheep kept on an isolated ranch. the percentage of seropositive animals was 28.0 in slaughter sheep, 0.0 in sheep kept on the ranch, and 23.2 in slaughter goats. the high prevalence of d. congolensis antibodies among small ruminants compares well with the level of prevalence reported of cattle of cattle and calls for a concerted government ...	1984	6730289
experimental subcutaneous granulomas in sheep with dermatophilus-like microorganisms from porcine tonsil.	the pathogenicity of the dermatophilus-like microorganisms from porcine tonsil and the light and electron microscopic findings were studied with adult ewes. the early lesions were abscessess and advanced ones were granulomas after the subcutaneous inoculation. the granulomas were composed of the central bacterial colonies and the layers of the neutrophils, epithelioid cells and giant cells, and peripheral connective tissues. epithelioid cells and giant cells were identified by the large euchroma ...	1985	4058563
isolation of dermatophilus congolensis from two new zealand cases of pitted keratolysis.		1985	4062746
ticks on livestock in st. lucia.	cattle, sheep, goats and horses were examined for ticks. over 95% of holstein cross-breeds, 28% of sheep (local mixed breeds) and 18% of goats (local mixed breeds) examined from 18 august to 4 september 1983 were infested with the southern cattle tick, boophilus microplus canestrini. about 90 and 17% of the horses examined were infested with the tropical horse tick, anocentor nitens neumann, and the tropical bont tick, amblyomma variegatum fabricius, respectively. the tropical bont tick was foun ...	1985	4090245
humoral antibody response to glutaraldehyde-treated antigens of dermatophilus congolensis.	glutaraldehyde-treated whole cell antigens (ga.wca) of dermatophilus congolensis induced in guinea pigs immunological memory in contrast to cell wall antigens treated similarly (ga.cwa). however, ga.wca could not induce a secondary response in animals primed with untreated wca while ga.cwa on the other hand did stimulate a secondary response in animals primed with untreated cwa. primary antibody production was induced by both ga.cwa and untreated cwa to a similar level in their respective hosts ...	1986	3088816