Studies on seasonal dynamics of soil-higher fungal communities in Mongolian oak-dominant Gwangneung forest in Korea

Kim, Changsun; Nam, Jong Woo; Jo, Jong Won; Kim, Sang-Yong; Han, Jae-Gu; Hyun, Min Woo; Sung, Gi‐Ho; Han, Sang-Kuk

doi:10.1007/s12275-016-5521-1

Cited by 19 publications

(14 citation statements)

References 25 publications

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“…Thus , Q. mongolica may favor associations with Sebacina or Russula over Tomentella compared to other oak species. The high abundance of Sebacina found in this study also differed from reports of previous studies of fungal communities associated with Q. mongolica [ 21 , 22 ]. Both of the studies showed low abundance of Sebacina , while Russula [ 21 ] or Cortinariaceae [ 22 ] were dominant.…”

Section: Discussioncontrasting

confidence: 99%

“…Generally, Tomentella is the most dominant genus associated with oak species [ 13–19 ]. However, fungal communities of Q. mongolica in two previous studies [ 21 , 22 ], as well as this study ( Table 1 ), do not follow this pattern. Although we detected Tomentella frequently in our study, the abundance was low in both root and soil samples, and the most abundant EMF genera in this study were Sebacina and Russula .…”

Section: Discussioncontrasting

confidence: 61%

“…Quercus mongolica (Mongolian oak) is common in northeastern Asian forests, and is the dominant deciduous tree in forests in Korea, China, Japan, and Russia [ 20 ]. Fungal communities associated with Q. mongolica have previously been investigated using high throughput sequencing of soil samples [ 21 , 22 ]. However, a recent study showed little overlap between soil and root fungal communities (just 27% of OTUs in soil community) [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

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Guild Patterns of Basidiomycetes Community Associated With Quercus mongolica in Mt. Jeombong, Republic of Korea

Cho

Eimes

et al. 2018

Mycobiology

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Depending on the mode of nutrition exploitation, major fungal guilds are distinguished as ectomycorrhizal and saprotrophic fungi. It is generally known that diverse environmental factors influence fungal communities; however, it is unclear how fungal communities respond differently to environment factors depend on fungal guilds. In this study, we investigated basidiomycetes communities associated with Quercus mongolica using 454 pyrosequencing. We attempted to detect guild pattern (ectomycorrhizal or saprotrophic fungal communities) by comparing the influence of geography and source (root and surrounding soil). A total of 515 mOTUs were detected from root (321) and soil (394) of Q. mongolica at three sites of Mt. Jeombong in Inje County. We found that patterns of diversity and community structure were different depending on the guilds. In terms of alpha diversity, only ectomycorrhizal fungi showed significant differences between sources. In terms of community structure, however, geography significantly influenced the ectomycorrhizal community, while source appeared to have a greater influence on the saprotrophic community. Therefore, a guild-based view will help to elucidates novel features of the relationship between environmental factors and fungal communities.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussioncontrasting

confidence: 61%

Section: Introductionmentioning

confidence: 99%

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Guild Patterns of Basidiomycetes Community Associated With Quercus mongolica in Mt. Jeombong, Republic of Korea

Cho

Eimes

et al. 2018

Mycobiology

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“…Four of the chloramphenicol resistant isolates were S. Typhimurium DT104 isolated from camels and pigs. S. Typhimurium DT104 was isolated from a human sample in Ethiopia [ 50 ]; it is an internationally important pathogen [ 51 ], and regardless of the sources, isolates with an ACSSuT (ampicillin, chloramphenicol, streptomycin, sulfonamide and trimethoprim) phenotype have the same gene cassettes [ 52 ], and genetic differences at different times [ 53 ], locations [ 54 ] and hosts [ 55 ] have been reported to be little.…”

Section: Resultsmentioning

confidence: 99%

A meta-analysis of the proportion of animal Salmonella isolates resistant to drugs used against human salmonellosis in Ethiopia

Tadesse

2015

BMC Infect Dis

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BackgroundThe emergence and spread of drug resistant Salmonellae of both human and animal origins are global concerns and worrisome in countries where the risk of infection is high and treatment options are limited. The objective of this study was to estimate the proportions of animal isolates resistant to antimicrobials used against human salmonellosis in Ethiopia.MethodsPublished studies on the antimicrobial resistance features of Salmonellae isolated from food animals of Ethiopia were searched in Medline, Google Scholar and the lists of references of articles. Eligible studies were selected by using inclusion and exclusion criteria and data were extracted. The extracted data included the host species, the numbers of isolates and the numbers of ampicillin, co-trimoxazole, chloramphenicol, ceftriaxone and ciprofloxacin resistant isolates. The risks of bias were assessed and the percentages of the variations of the estimates attributable to heterogeneities were quantified. Pooled proportions were estimated by the DerSimonian and Laird random effects model.ResultsFive hundred and fifty four Salmonellae isolated from cattle, camels, sheep, goats and pigs were tested with a variety of antimicrobials. The percentages of the variations attributable to heterogeneities were low for chloramphenicol and ceftriaxone (I2 = 0) and high for ampicillin, co-trimoxazole and ciprofloxacin resistance estimates (I2 > 75%). The pooled estimate of ampicillin resistant isolates was higher in slaughtered ruminants (17.28%) than in pigs (3.95%), (p < 0.001). The pooled estimates of co-trimoxazole resistant isolates in true ruminants (4.35%) and pigs (1.12%) were not significantly different (p > 0.05). The overall pooled estimates of chloramphenicol and ceftriaxone resistant isolates were 2.24% and 1.25%, respectively. Seven serotypes have been reported to be resistant to antimicrobials uncommonly used in veterinary clinical practice in Ethiopia.ConclusionsAmong Salmonellae of farm animals, there exist strains that are resistant to drugs used in the therapeutic management of human salmonellosis in Ethiopia. Intervention measures should be taken to ensure the prudent use of antimicrobials and curb the spread of high risk strains across the country.Electronic supplementary materialThe online version of this article (doi:10.1186/s12879-015-0835-x) contains supplementary material, which is available to authorized users.

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“…The results of our study are consistent with the results of Zhu et al [14] in an evergreen broadleaf forest and Qi et al [15] in a bamboo grove in the subtropical climate zone. An investigation of an orchard [13], grassland [12] and forest [17] in the temperate monsoon climate zone was reported similar trends. However, unlike our results, Shi et al [16] observed seasonal variations characterized by low values for most of the microbial biomass (C, N, and P), enzyme activities and PLFAs in the Summer in southwestern Quebec, Canada.…”

Section: Discussionmentioning

confidence: 88%

Seasonal Change of Microbial Diversity and Its Relation with Soil Chemical Properties in Orchard

Luo

Wang

Guiping

et al. 2019

Preprint

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15This study aimed to determine the microbial diversity of different soil depths (0-5 and 5-20 cm) in a subtropical 16 orchard during different seasons (i.e., Spring, Summer and Autumn) for enrich the knowledgements on micorbes 17 roles in orchard ecosystem balance. In tracking experiments conducted in an orchard (established in 1996), the 18 phospholipid fatty acid (PLFA) biomarker method was employed to know soil microbial system. Total PLFAs 19 concentration did not vary significantly between soil depths but changed between seasons. It peaked in the 20 summer at 258.97 ± 23.48 g g -1 soil from 0-5 cm and at 270.99 ± 58.94 g g -1 soil from 5-20 cm. A total of 33 21 microbial fatty acid biomarkers were observed and identified in the sampled soil. Quantities of PLFAs for 29 22 microbe groups varied significantly between seasons, except for 15:0 iso 3OH, 15:1 iso G, 16:0 2OH, and 17:0 23 iso 3OH. The bacterial PLFAs and fungal and actinomycotic PLFAs in the orchard soil collected in Summer were 24 significantly higher than in the Spring or Autumn (P < 0.01). The number of soil microorganism species (Richness) 25 and the Simpson and Shannon-Wiener indexes were all the highest in summer. The total PLFAs, bacterial PLFAs, 26 fungal PLFAs, actinomycotic PLFAs, Richness, or the Simpson and Shannon-Wiener indexes were all 27 significantly negatively correlated with soil pH, total carbon (TOC), total nitrogen (TN) and cation-exchange 28 capacity (CEC) (P < 0.05). 29The orchard ecosystem is important for fruit production and carbon sequestration, biodiversity decreases [1] and 32 soil erosion [2], and pollution [3,4]. Hence, maintaining a balanced orchard ecosystem is essential. Soil microbes 33 are essential for the functioning of terrestrial ecosystems because they play a unique and indispensable role in 34 ecosystem balance [5]. 35Soil microbial community change by soil quality evolution because of long-term management. The interaction 36 between microbes and soil quality is very complex. It is reflected in effects on microbial diversity of chemical 37 properties change [6][7][8][9][10][11]. Spatial and temporal distribution of microbial community have some value information 38 to explain the interaction [12][13][14][15][16][17][18]. However, few clear information had be found by observation on spatial and 39 temporal distribution of microbial community in subtropical orchard. 40Thus, we hypothesized that height seasonal temperature and moisture variation and vertical soil chemical 41 properties change would lead to obvious differences in spatial and temporal distribution of microbial community in 42 subtropical orchard. To demonstrate seasonal and vertical changes in microbial diversity and the links between 43 soil microbial diversity and soil chemical properties in a subtropical orchard, PLFA was employed to monitor 44 microorganism quantity and diversity in orchard soils under different seasons in the hilly red soil of the subtropical 45 zone in southern China. The observations of this study regarding ecologic...

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Studies on seasonal dynamics of soil-higher fungal communities in Mongolian oak-dominant Gwangneung forest in Korea

Cited by 19 publications

References 25 publications

Guild Patterns of Basidiomycetes Community Associated With Quercus mongolica in Mt. Jeombong, Republic of Korea

Guild Patterns of Basidiomycetes Community Associated With Quercus mongolica in Mt. Jeombong, Republic of Korea

A meta-analysis of the proportion of animal Salmonella isolates resistant to drugs used against human salmonellosis in Ethiopia

Seasonal Change of Microbial Diversity and Its Relation with Soil Chemical Properties in Orchard

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