Publications

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isolation of cultivable mycobacteria from feces and lungs of armadillos infected with mycobacterium leprae.in the past, no cultivable mycobacteria were isolated from armadillos captured in the state of florida, u.s.a. but recent findings of acid-fast bacilli (afb) in the lungs of armadillos infected with mycobacterium leprae prompted us to undertake this study to determine the correlation between systemic leprosy infection and the occurrence of cultivable mycobacteria in the lungs and stools of these animals. no afb could be isolated from noninfected animals. seventy percent of the infected animals d ...19921522365
acquired immunodeficiency syndrome associated with acanthamoeba infection and other opportunistic organisms.a 29-year-old haitian man with acquired immunodeficiency syndrome presented with nasal obstruction and epistaxis. a computed tomogram of the head showed thickened nasal and paranasal sinus mucosa. a biopsy specimen of the turbinate disclosed inflammatory tissue containing amoebic trophozoites. the patient was empirically treated with rifampin and ketoconazole. he died four months after biopsy of other complications of acquired immunodeficiency syndrome. at autopsy, the amoebic infection was foun ...19863488048
phage typing of the mycobacterium avium-intracellulare-scrofulaceum complex. a study of strains of diverse geographic and host origin.a total of 339 strains of the mycobacterium avium-intracellulare-scrofulaceum complex were phage typed using our previously described technique and 11 typing phages. these included 235 strains of human origin obtained from state health laboratories in virginia, georgia, florida, and arkansas, 26 strains isolated from persons with aids, 38 strains isolated from animals, and 40 environmental isolates. a phage-typing scheme was developed that denotes sensitivity to 8 primary typing phages: the jf g ...19854026062
persistence of mycobacterium avium subspecies paratuberculosis in endangered florida key deer and key deer habitat.mycobacterium avium subsp. paratuberculosis (map) was first reported in the endangered key deer (odocoileus virginianus clavium) in 1996 on big pine key, florida, usa. by 2008, eight additional map-positive key deer had been identified on big pine key and the nearby newfound harbor keys. this study was conducted to determine if map was still present in key deer and whether natural or man-made freshwater sources were contaminated with map. between november 2009 and september 2012, map was isolate ...201424506424
johne's disease in a free-ranging white-tailed deer from virginia and subsequent surveillance for mycobacterium avium subspecies paratuberculosis.johne's disease (paratuberculosis) was diagnosed in a 2-yr-old, male, free-ranging white-tailed deer (odocoileus virginianus) from fauquier county, virginia, usa, based on histopathology and culture for mycobacterium avium subspecies paratuberculosis. clinical and pathologic findings included emaciation; loss of body fat; chronic diarrhea; severe, chronic, diffuse granulomatous colitis with intrahistiocytic acid-fast bacilli; moderate, chronic granulomatous lymphadenitis with intrahistiocytic ac ...200919204350
distribution of mycobacterium avium subspecies paratuberculosis in the lower florida keys.johne's disease, a fatal and contagious gastrointestinal infection caused by mycobacterium avium subsp. paratuberculosis (map), was first diagnosed in an endangered florida key deer (odocoileus virginianus clavium) in 1996 and later in six additional key deer deaths from 1998 to 2004. we investigated the geographic distribution of map in the lower florida keys from february 2005 through may 2006 via collection of blood and fecal pellets from 51 live-captured deer, collection of 550 fecal samples ...200818689642
nested pcr on blood and milk for the detection of mycobacterium avium subsp paratuberculosis dna in clinical and subclinical bovine paratuberculosis.to determine the potential of pcr on blood and milk to detect cattle infected with mycobacterium avium subsp paratuberculosis.200415359966
paratuberculosis in key deer (odocoileus virginianus clavium).paratuberculosis was diagnosed in an endangered key deer (odocoileus virginianus clavium) in november 1996. between 10 april 1997 and 28 september 2000, the key deer population was monitored for infection with mycobacterium avium subsp. paratuberculosis by necropsy of available carcasses (n = 170), fecal cultures, and serology. one additional clinically affected key deer was discovered in july 1998, and m. avium subsp. paratuberculosis was cultured from the feces of one live, asymptomatic deer. ...200212528439
morbidity and mortality factors in key deer (odocoileus virginianus clavium).the population health of endangered key deer (odocoileus virginianus clavium) was monitored from 10 february 1986 to 28 september 2000 by necropsy of animals that were killed by vehicles, euthanized because of terminal injuries or disease conditions, or found dead. the predominant mortality factor during the period was collision with motor vehicles; however, several infectious diseases were diagnosed, including infections with arcanobacterium pyogenes, haemonchus contortus, salmonella spp., and ...200212528433
infections in children with human immunodeficiency virus/acquired immunodeficiency syndrome: an autopsy study of 30 cases in south florida, 1990-1993.thirty autopsies performed on infants and children with hiv infection and/or aids were reviewed for the presence and type of infection. twenty-six (87%) demonstrated evidence of infection in addition to hiv at the time of postmortem examination. pathogenic bacterial infectious were the most frequently encountered, seen in 15 of the cases. nine of the 15 (60%) were due to gram-negative rods, most commonly pseudomonas aeruginosa. infections with gram-negative organisms often involved multiple orga ...19958597814
Dual skin tests with Mycobacterium avium sensitin and PPD to detect misdiagnosis of latent tuberculosis infection.A positive tuberculin skin test (TST) may indicate cross-reacting immunity to non-tuberculous mycobacteria (NTM) and not latent tuberculosis infection (LTBI).201122008764
environmental risk factors for infection with mycobacterium avium complex.infection with mycobacterium avium complex is acquired from the environment, but risk factors for m. avium complex infection and disease are poorly understood. to identify risk factors for infection, the authors performed a 1998-2000 cross-sectional study in western palm beach county, florida, using a population-based random household survey. m. avium complex infection was identified by use of the m. avium sensitin skin test. of 447 participants, 147 (32.9%) had a positive test reaction, 186 (41 ...200616675537
culture and serologic survey for mycobacterium avium subsp. paratuberculosis infection among southeastern white-tailed deer (odocoileus virginianus).from july 1998 through october 2002, radiometric culture (ileocecal lymph node, mesenteric lymph node, and feces) and serologic testing by enzyme-linked immunosorbent assay (elisa) were used to survey white-tailed deer (odocoilens virgianus) from the soutlheastern united states for infection by mycobacterium avium subsp. paratuberculosis (mptb), the causative agent of paratuberculosis (johne's disease). mycobacterium avium subsp. paratuberculosis was isolated from the ileocecal lymph node of one ...200415362831
related strains of mycobacterium avium cause disease in children with aids and in children with lymphadenitis.sequence analysis of the ribosomal internal transcribed spacer of 56 mycobacterium avium complex isolates from pediatric patients with aids or lymphadenitis revealed (similar to the situation in adults) that the closely related mav-b and mav-a sequevars caused the vast majority of disease. is1245 restriction fragment-polymorphism analysis and pulsed-field gel electrophoresis revealed sets of isolates with closely related patterns among strains from patients in the boston area and among isolates ...200010753729
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