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Precipitating antibodies in a midwest dairy farming population toward the antigens associated with farmer's lung disease.

A survey of the frequency of precipitins to the antigens of the thermophilic actinomycetes and Aspergillus species was conducted on serum sa … of 93 famers (8.9%). The distribution of positive precipitins was: Micropolyspora faeni 63 (67.7%), Thermoactinomyces vulgaris 7 (7.5%), Thermomonospora viridis 2 (2.2%), M. faeni + T. viridis 16 (17.2%), M. faeni + T. vulgaris 1 (1.1%), Aspergillus species 4 (4.3%). Of all the parameters tested for in the questionnaire, those with positive serology differed signif …

Synthetic and natural microbial communities in high-temperature Daqu production: Insights into metabolic pathways and volatile organic compounds.

High-temperature Daqu (HTD), an essential fermentation starter in sauce-aroma Baijiu, is characterized by complex microbial communities that … cluded Thermomyces, Thermoascus, and Monascus, while bacterial communities featured Kroppenstedtia, Thermoactinomyces, and Bacillus. Metabolic pathway analysis identified 72 shared pathways between corresponding SynMC and traditional HTD groups, including those involved in amino acid biosynthesis, central carbon metabolism, and energy production. Moreover, the stud …

Circulating IgG antibodies against fungal and actinomycete antigens in the sera of farmer's lung patients from different countries.

Sixty-nine farmer's lung patients and 28 normal controls from four countries (Finland, Switzerland, Canada and the United States) were inves … of patients, although the degree of reactivity varied considerably. Higher antibody levels against Thermoactinomyces vulgaris were detected in Finnish patients than patients from other countries while patients from all four countries showed elevated levels of antibodies against T. candidus. This study demonstrates that antigens from identical species, irrespective …

Elucidating the Impact of High-Temperature Daqu on Base Baijiu of Sauce-Flavor Baijiu: From Key Aroma Compounds to Microbial Origins.

Jiaomian base baijiu is an important seasoning liquor used in the blending of sauce-flavor baijiu, yet the mechanism underlying its flavor f … DQ fermentation were predominantly positively correlated with the key flavor compounds. Among them, Thermoactinomyces, Byssochlamys, Kazachstania, Leiothecium, and Trichothecium showed the closest associations-positively correlated with compounds such as 1-nonanol and furfuryl alcohol, and negatively correlated with isovaleric acid. Finally, KEGG enrichment analysi …

Comparative analysis of metagenomics between high- and medium-temperature daqu, and microbial succession in Jiang-Nong Jianxiang Baijiu fermentation.

BACKGROUND: The mixture of high-temperature Daqu and medium-temperature Daqu can be used to produce Chinese Jiang-Nong Jianxiang Baijiu. Thi … Lactobacillus sp. to Pediococcus sp., Lactobacillus sp., Lentilactobacillus sp., Saccharomyces sp., Thermoactinomyces sp., and Saccharopolyspora sp., implying the importance of acid-resistant and ethanol-resistant microorganisms for the production of flavor substances in the late Baijiu fermentation. CONCLUSIONS: Our research revealed the difference in microbial c …

Serum KL-6 concentrations in dairy farmers.

STUDY OBJECTIVES: Serum KL-6 (Krebs von den Lungen-6) has been recognized to be a marker for the activity of diffuse interstitial lung disea … 2) 30 farmers with positive serum precipitating antibodies to Saccharopolyspora rectivirgula and/or Thermoactinomyces vulgaris without FLD (Ab(+)), and (3) 237 farmers without these antibodies (Ab(-)). Serum KL-6 concentrations in the FLD group were significantly higher than those in the Ab(+) and the Ab(-) groups (1,263 +/- 288 [SEM], 328 +/- 57, and 207 +/- 6 U/m …

Bacteria and associated antibiotic resistance in air filter-derived biological material from utility vehicles at mechanical-biological treatment plants.

OBJECTIVES: The study objective was to assess occupational exposure to bacteria and antimicrobial resistance genes (ARGs) present on air fil … est relative abundances: Saccharomonospora, Thermobifida, Nocardiopsis, Pectobacterium, Aerococcus, Thermoactinomyces, Novibacillus and Streptomyces. Across all bacteria isolated from the analyzed filters, regardless of their relative abundance, a total of 91 taxa were classified into risk groups 2 or 3 (86 and 5 taxa, respectively). The most frequently detected AR …

Study on the correlation between microbial communities with physicochemical properties and flavor substances in the Xiasha round of cave-brewed sauce-flavor Baijiu.

The Chishui River basin is the main production area of the sauce-flavor Baijiu. Due to the particularity of sauce-flavor Baijiu technology, … ermentation (SF). In the cellar fermentation (CF), the Lactobacillus, Unspecified_Lactobacillaceae, Thermoactinomyces, Saccharomycopsis, Unspecified_Phaffomycetaceae, and Wickerhamomyces were the main bacterial and fungal genera. A total of 72 volatiles were detected in the fermented grains. Linear discriminant analysis Effect Size (LEfSe) identified 23 significant …

Farmer's lung in a group of Scottish dairy farms.

ABSTRACT The microbiology of the air of byres and bruising sheds and of hay, grain and dust from bruising machines was studied in 12 dairy f … om the 12 most commonly isolated fungi, from six thermophilic actinomycetes other than M. faeni and Thermoactinomyces vulgaris, and from two thermophilic bacteria were tested. There was no correlation between disease and seropositivity. All sera reacted to at least one of 60 carbol-saline and trichloracetic acid extracts from 30 samples of hay, grain and dust. Alth …

[Immunologic response to microorganisms from a polluted ventilation system in a working environment].

UNLABELLED: Authors point out the morbidity of employees working in ventilation systems contaminated with various microorganisms. They analy … ater from the humidifier system also cultured. They were grown: T. vulgaris, Aspergillus fumigatus, Thermoactinomyces vulgaris and others. Results of questionnaires, clinical evaluation and diagnostical procedures in employees of Group A and B are as follows: Thirty eight workers in Group A had a positive clinical history of "Monday illness". In the symptomatic Gro …

Microbial and immunological investigations and remedial action after an outbreak of humidifier fever.

ABSTRACT Humidifier fever (Monday sickness) occuring in office staff in a factory processing rayon presented as pyrexia with a polyuria and … . Efforts were then directed to determining an immunological basis for the episodes. In particular, Thermoactinomyces vulgaris, previously held responsible for humidifier fever, was studied. During the episode of 11 cases, the number of viable airborne spores of this organism was far higher than on Mondays when no cases occured. In a second episode of nine cases, h …

Clinical Manifestations of Human Exposure to Fungi.

Biological particles, along with inorganic gaseous and particulate pollutants, constitute an ever-present component of the atmosphere and surfaces. Among these particles are fungal species colonizing almost all ecosystems, including the human body. Although inoffensive to most people, fungi can be responsible for several health problems, such as allergic fungal diseases and fungal infections. Worldwide fungal disease incidence is increasing, with new emerging fungal diseases appearing yearly. Reasons for this increase are the expansion of life expectancy, the number of immunocompromised patien

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… The etiological agents are thermophilic actinomycetes (e.g., Saccharopolyspora rectivirgula , Thermoactinomyces vulgaris , Thermoactinomyces viridis , and Thermoactinomyces sacchari ) and fungi (e.g., Alternaria spp., A. fumigatus , Botrytis spp., Penicillium brevicompactum , and Penicillium olivicolo …