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Mycobiota of the air in hospital rooms and the fungal colonisation of tracheostomy tubes used by patients diagnosed with larynx cancer - preliminary research

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Gniadek A., Krzysciak P., Hawryszuk A., Macura A. B., Brzostek T., Skladzien J.

Annals of Parasitology

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2013

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tom 59

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nr 2

A tracheotomy tube, as well as the stoma through which it is inserted into the patient’s throat, may represent a potential risk of fungal infections for patients suffering from larynx cancer. The study was aimed at evaluating the influence of the hospital room environment on the fungal colonisation of tracheotomy tubes in the case of patients diagnosed with larynx cancer and operated on in the Laryngology ward. The mycological research was carried out in the rooms of the Laryngology ward, from which 105 air samples were collected. Twenty-two Portex and metal tracheostomy tubes collected from 13 patients diagnosed with larynx cancer. Fungi were cultured on 15 tracheostomy tubes: moulds were isolated from 3 of these tubes, and fungi belonging to the genus Candida from the remaining 12. The simultaneous occurrence of the same moulds in the air and on the tracheotomy tubes was observed only in one case (Aspergillus flavus). In conclusion, the same moulds observed in the air can sometimes also be found on the tracheotomy tubes used by patients diagnosed with larynx cancer. Yeast-like fungi are isolated from tracheotomy tubes much more frequently than moulds, and this requires further mycological research.

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Fungal colonisation of tracheotomy tubes in patients diagnosed with larynx cancer

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Gniadek A., Krzysciak P., Hawryszuk A., Wojcikowska K.

Annals of Parasitology

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2016

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tom 62

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nr Suppl.

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Fungal colonization - an additional risk factor for diseased dogs and cats?

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Bieganska M., Dardzinska W., Dworecka-Kaszak B.

Annals of Parasitology

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2014

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tom 60

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nr 3

The aim of the presented mini-review is to review the literature data referring to opportunistic mycoses in pet dogs and cats suffering from other concurrent diseases, comparable to human medical disorders with high risk of secondary mycoses. This review also presents the preliminary results of a project aimed at understanding the fungal colonization and occurrence of secondary mycoses in pets suffering from metabolic disorders, neoplasms and viral infections. The incidence of opportunistic mycoses is higher in such individuals, mostly because of their impaired immunity. The main risk factors are primary and secondary types of immunodeficiency connected with anti-cancer treatment or neoplastic disease itself. Moreover, literature data and the results of our investigations show that Candida yeasts are prevalent among diabetic animals and indicate that these fungi are the main etiological agents of secondary infections of the oral cavity, GI and urogenital tracts. Other important conditions possibly favoring the development of mycoses are concurrent infections of cats with FeLV and FIV viruses. Thus, in all cases of the mentioned underlying diseases, animals should be carefully monitored by repeated mycological examination, together with inspection of other parameters. Also, the prophylaxis of opportunistic mycoses should be carefully considered alike other factors influencing the prognosis and the outcome of primary diseases.

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Are probiotics effective in the treatment of fungal colonization of the gastrointestinal tract? Experimental and clinical studies

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Zwolinska-Wcislo M., Brzozowski T., Mach T., Budak A., Trojanowska D., Konturek P. C., Pajdo R., Drozdowicz D., Kwiecien S.

Journal of Physiology and Pharmacology. Supplement

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2006

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tom 57

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nr 9

35-49

The influence of fungal colonization and probiotic treatment on the course of gastric ulcer (GU) and ulcerative colitis (UC) was not explored. Our studies included: 1) clinical investigation of 293 patients with dyspeptic and ulcer complaints and 72 patients with lower gastrointestinal (GI) tract: 60 patients with UC, 12 with irritable bowel syndrome (IBS) - the control group. Significant fungal colonization (SFC), over 105 CFU/ml was evaluated. Mycological investigation was performed, including qualitative and quantitative examination, according to Muller method, 2) experimental studies in rats included estimation of the influence of inoculation of Candida isolated from human GI tract on the healing process of GU, induced by acetic acid with or without probiotic Lactobacillus acidophilus (106 CFU/ml) introduced intragastrically (i.g.). At 0, 4, 15 and 25 day after ulcer induction. Weight, damage area, gastric blood flow (GBF) (H2 clearance), expression of mRNA for cytokines IL-ß, TNF-alpha (ELISA) were evaluated. Mycology: qualitative and quantitative examination was performed. MPO serum activity was measured. Results of clinical studies: 1) SFC was more frequent in patients with GU: 54.2% of cases and patients with over 5 years history of UC: 33.3% cases. 2) SFC delayed GU healing and influenced the maintenance of clinical symptoms in both diseases. Results of animal studies: 3) In Candida inoculated rats, the GBF was significantly lower than in the vehicle controls (saline administered group). Upregulation of TNF-alpha, IL-1ß was recorded. The GUs were still present till 25 day in all rats inoculated with Candida, in contrast to vehicle group (reduction of ulcer in 92% at day 25). Conclusions: 1) Fungal colonization delays process of ulcer and inflammation healing of GI tract mucosa. That effect was attenuated by probiotic therapy. 2) Probiotic therapy seems to be effective in treatment of fungal colonization of GI tract. 3) Lactobacillus acidophilus therapy shortens the duration of fungal colonization of mucosa (enhanced Candida clearance is associated with IL-4, INF- response).

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Fungi colonizing the grain of spring wheat grown in the conventional and organic systems

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Kurowski T. P., Damszel M., Wysocka U.

Phytopathologia

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2012

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tom 63

The abundance and species composition of fungi colonizing grain of spring wheat cvs. 'Koksa' and 'Torka', grown in the conventional and organic farming systems, was assessed in 2004-2006. More colonies of Alternaria alternata, Aureo- basidium pullulans, Botrytis cinerea and Fusarium spp., Gibberella spp. were isolated from wheat grain obtained from conventional farms. Intensive chemical control did not reduce the abundance and species diversity of Fusarium spp., Gibberella spp. A considerably higher number of Epicoccum nigrum colonies were isolated in the organic farming system, as compared with the conventional system.

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Microorganisms colonizing the leaves, shoots and roots of boxwood (Buxus sempervirens L.)

61%

Kurzawinska H., Mazur S., Nawrocki J.

Acta Scientiarum Polonorum. Hortorum Cultus

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2019

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tom 18

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nr 6

Buxus sempervirens (L.) is an evergreen shrub often used in urban plantings intended for forming the trimmed hedges, as well as for creating geometrical shapes. Its decorative qualities are often diminished by the effects of pathogens colonizing the roots, shoots and leaves. The study was conducted in three consecutive growing seasons. The experimental material originated from a nursery located in southern Poland. The subjects under study were diseased leaves, stems and roots of the boxwood variety ‘Suffruticosa’. Samples consisting of 720 diseased fragments of the shrub were taken for mycological examination. Mycological isolations were performed according to the standard methods used in phytopathology. A total of 1059 colonies of fungi and fungus-like organisms were isolated from the diseased boxwood plants. The fungus Alternaria alternata dominated among all the isolates. The pathogens frequently isolated from the leaves included Macrophoma candollei, Volutella buxi and Fusarium buxicola. Those frequently isolated from the shoots included: Pestalotiopsis sydowiana, Volutella buxi and Fusarium avenaceum. The root system, in turn, was colonized in large numbers by: Fusarium oxysporum, F. avenaceum, Rhizoctonia solani, Botrytis cinerea and Phytophthora cinnamomi. Results of the three-year study show a comprehensive participation of phytopathogens in the disease process affecting the boxwood variety ‘Suffruticosa’.

Ograniczanie wyników

Mycobiota of the air in hospital rooms and the fungal colonisation of tracheostomy tubes used by patients diagnosed with larynx cancer - preliminary research

Fungal colonisation of tracheotomy tubes in patients diagnosed with larynx cancer

Fungal colonization - an additional risk factor for diseased dogs and cats?

Are probiotics effective in the treatment of fungal colonization of the gastrointestinal tract? Experimental and clinical studies

Fungi colonizing the grain of spring wheat grown in the conventional and organic systems

Microorganisms colonizing the leaves, shoots and roots of boxwood (Buxus sempervirens L.)