The occurrence of yeasts in the forest soils

Sláviková, Elena; Vadkertiová, Renáta

doi:10.1002/1521-4028(200007)40:3<207::aid-jobm207>3.0.co;2-h

Cited by 66 publications

(44 citation statements)

References 9 publications

(10 reference statements)

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“…Yeasts are a constant element of the soil microbial community and play an important role in it; they exert a positive effect on soil structure, nutrient recycling and even plant growth [1,7,[11][12][13][14]. Some of them are considered autochthonous species, permanently present in soil, while some may be allochthonous, residing transiently or temporarily, and originating from plants, animals or human organisms.…”

Section: Discussionmentioning

confidence: 99%

“…Based on 180 soil samples collected in deciduous and coniferous forests, Sláviková and Vadkertiová [12] found the number of yeasts to range from 1.5×10 3 to 1.1×10 4 CFU/g soil. During the year, the lowest number of yeasts in forests was ascertained in December and the highest in May.…”

Section: 47mentioning

confidence: 99%

“…R. rubra), R. glutinis, and R. minuta were obtained; the two first species were also found in our soil samples. Rhodotorula glutinis was the most frequently isolated carotenoids producing species from the leaf surfaces of various tree species and forest soils [12,17,37]. The other species -R. mucilaginosa -belonged to the most frequently encountered yeasts in the sand of bathing beaches in South Florida [7].…”

Section: 47mentioning

confidence: 99%

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Potentially pathogenic yeasts from soil of children’s recreational areas in the city of Łódź (Poland)

Wójcik

Kurnatowski²,

Błaszkowska³

2013

International Journal of Occupational Medicine and Environmental Health

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Objectives: Yeasts may become potential human and animal pathogens, particularly for individuals with a depressed immune system. Their presence in the environment, especially in soil, may favour their spread into human ontocenoses. Materials and Methods: Eighty-four soil samples obtained from 21 children's recreational sites in Łódź in autumn 2010 and spring 2011 were evaluated. The yeasts were isolated by classical microbiological methods and identified on the basis of morphological and biochemical features. Results: The fungi were found in 73.8% and in 69.0% of the examined samples collected in autumn and spring, respectively. Among 97 isolates of yeasts, the species potentially pathogenic to humans and animals were Candida colliculosa, C.

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Section: Discussionmentioning

confidence: 99%

Section: 47mentioning

confidence: 99%

Section: 47mentioning

confidence: 99%

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Potentially pathogenic yeasts from soil of children’s recreational areas in the city of Łódź (Poland)

Wójcik

Kurnatowski²,

Błaszkowska³

2013

International Journal of Occupational Medicine and Environmental Health

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“…The diversity of yeasts in soil has been examined globally from Antarctica to tropical regions (Slavikova and Vadkertiova, 2000), and soil type, climatic features, and anthropic disturbance have been found to influence the presence of yeasts in soil. Recently, several studies have demonstrated how human activity influences the diversity and community structure of yeasts in soil.…”

Section: Introductionmentioning

confidence: 99%

Characterization of yeast in hapludands soil with biotechnological potential

Díaz

Aranda

Martínez

et al. 2017

J. Soil Sci. Plant Nutr.

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Yeasts play an important role in nature, and soil is one of the largest reservoirs of yeasts. Seventy-seven yeast strains were isolated from southern Chilean volcanic ash soil. These 77 strains were composed of 30 strains derived from soils used as permanent grassland, 30 strains from rotating grassland, and 17 strains from native forest (considered as the control). These strains were identified using restriction fragment length polymorphisms (PCR-RFLP) in conjunction with ITS-5.8S rDNA sequencing. Additionally, a physiological characterization of the assimilation of carbon and nitrogen and the fermentation of sugars was performed. Various features of the strains were evaluated including their growth in vinasse medium, nitrogen and phosphorus content, and lipid production. Lastly, the use of strains as biofertilizers was analyzed via the cultivation of bell pepper seedlings in soil. From the RFLP profiles, the 77 strains clustered into 10 groups. Of these, only three groups could be identified to the species level, and another was classified to the level of genus (Devaryomyces hansenii, Pichia fermentan, Kazachstania exigua, Candida sp.). All strains grew in vinasse medium. Six strains (PP1, PP4, PR4, PR10, PR27 and PR29) showed a high capacity to accumulate lipids, and three strains (PP1, PP21 and PR28) have the potential to be used as biofertilizers.

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“…This strain is also deposited in the Culture Collection of Yeasts (Institute of Chemistry of the Slovak Academy of Sciences, Bratislava, Slovakia), under the number CCY 27-1-98. The other two strains were relatively new isolates obtained from this deposition: CCY 27-1-111 was isolated from the waters of the Danube river and CCY 27-1-115 from the forest soil (SLÁVIKOVÁ & VADKERTIOVÁ, 1997, 2000.…”

Section: Methodsmentioning

confidence: 99%

The life style of Aureobasidium pullulans and the multiple forms of its polygalacturonase

et al. 2006

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Abstract:The life style of Aureobasidium pullulans on pectin medium and its production of extracellular polygalacturonases are closely related. Polygalacturonases with random action pattern (EC 3.2.1.15) were formed in the first phases of cultivation, whereas exopolygalacturonases (EC 3.2.1.67) with terminal action pattern on pectin were produced during the whole growth of this yeast-like fungus. The production and inactivation of individual enzyme forms during cultivation were strongly dependent on the pH value of the pectin medium. Various kinds of stress can support the prolongation of the phase of endo-acting enzyme production, as well as the increase of their activity.

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The occurrence of yeasts in the forest soils

Cited by 66 publications

References 9 publications

Potentially pathogenic yeasts from soil of children’s recreational areas in the city of Łódź (Poland)

Potentially pathogenic yeasts from soil of children’s recreational areas in the city of Łódź (Poland)

Characterization of yeast in hapludands soil with biotechnological potential

The life style of Aureobasidium pullulans and the multiple forms of its polygalacturonase

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