Edaphobaculum flavum gen. nov., sp. nov., a member of family Chitinophagaceae, isolated from grassland soil

Cao, Min; Huang, Jing; Li, Jingxin; Qiao, Zixu; Wang, Gejiao

doi:10.1099/ijsem.0.002316

Cited by 21 publications

(8 citation statements)

References 29 publications

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“…Sphingomonadaceae (strictly aerobic chemoheterotrophs; a reservoir of antimicrobial resistance in drinking water) (Vaz-Moreira et al, 2011) had a significantly lower abundance in the second draw than in the first draw of cold tap water but a comparable abundance for the two draws of hot tap water. The relative abundance of Chitinophagaceae (aerobic or facultative anaerobic) (Cao et al, 2017) slightly increased in the second draws for both cold and hot tap water. For shower water, since the two draws on each sampling day were consecutive samples, they had comparable bacterial community compositions at the family level (Figure 3).…”

Section: The Bacterial Community Compositions Of Cold Tap Hot Tap and Shower Water Were Distinctmentioning

confidence: 98%

The Bacterial Community Diversity of Bathroom Hot Tap Water Was Significantly Lower Than That of Cold Tap and Shower Water

Zhang¹,

Qin

Struewing

et al. 2021

Front. Microbiol.

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Microbial drinking water quality in premise plumbing systems (PPSs) strongly affects public health. Bacterial community structure is the essential aspect of microbial water quality. Studies have elucidated the microbial community structure in cold tap water, while the microbial community structures in hot tap and shower water are poorly understood. We sampled cold tap, hot tap, and shower water from a simulated PPS monthly for 16 consecutive months and assessed the bacterial community structures in those samples via high-throughput sequencing of bacterial 16S rRNA genes. The total relative abundance of the top five most abundant phyla (Proteobacteria, Actinobacteria, Bacteroidetes, Cyanobacteria, and Firmicutes) was greater than 90% among the 24 identified phyla. The most abundant families were Burkholderiaceae, Sphingomonadaceae, unclassified Alphaproteobacteria, unclassified Corynebacteriales, and Mycobacteriaceae. A multiple linear regression suggests that the bacterial community diversity increased with water temperature and the age of the simulated PPS, decreased with total chlorine residual concentration, and had a limited seasonal variation. The bacterial community in hot tap water had significantly lower Shannon and Inverse Simpson diversity indices (p < 0.05) and thus a much lower diversity than those in cold tap and shower water. The paradoxical results (i.e., diversity increased with water temperature, but hot tap water bacterial community was less diverse) were presumably because (1) other environmental factors made hot tap water bacterial community less diverse, (2) the diversity of bacterial communities in all types of water samples increased with water temperature, and (3) the first draw samples of hot tap water could have a comparable or even lower temperature than shower water samples and the second draw samples of cold tap water. In both a three-dimensional Non-metric multidimensional scaling ordination plot and a phylogenetic dendrogram, the samples of cold tap and shower water cluster and are separate from hot tap water samples (p < 0.05). In summary, the bacterial community in hot tap water in the simulated PPS had a distinct structure from and a much lower diversity than those in cold tap and shower water.

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Section: The Bacterial Community Compositions Of Cold Tap Hot Tap and Shower Water Were Distinctmentioning

confidence: 98%

The Bacterial Community Diversity of Bathroom Hot Tap Water Was Significantly Lower Than That of Cold Tap and Shower Water

Zhang¹,

Qin

Struewing

et al. 2021

Front. Microbiol.

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“…Similarly, enrichment in Bacteroidota has been widely documented in plant-associated microbiomes, including grasslands. In our study, a notable increase in the class Bacteroidia was seen in grasses in the understory of palms, while open grasses presented similar abundances to the Acacia rhizosphere and bulk soil (Cao et al 2017;Vieira et al 2020).…”

Section: Grass Microbiome Of Dry Tropical Forestssupporting

confidence: 57%

“…According to research conducted by (Erlacher et al 2015), Rhizobiales are critical for supplying nutrients to surrounding plants as well as for nitrogen fixation. More recently, species from the order Chitinophagales have been described in grasslands and forest soils playing important roles in metabolizing b-glucan, therefore making sugars available as nutrients for other species (Cao et al 2017;Mckee et al 2019). These data suggest that having a large number of Rhizobiales and Chitinophagales is important for the survival of surrounding plants, and a symbiotic relationship between the bacteria and grasses.…”

Section: Grass Microbiome Of Dry Tropical Forestsmentioning

confidence: 99%

Resilience of dry tropical rangelands : How native palms and trees mediate the effects of seasonal droughts

Salmerón¹

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Socio-ecological networks in cattle rangelands are severely threatened by global warming. Higher temperatures and erratic rains resulting from climate change accentuate existing problems in livestock systems, and are expected to compromise pasture and cattle productivity worldwide (Lobell & Gourdji 2012;Field 2014). At the same time, livestock farming is expanding to respond to increases in human population, Trees can ameliorate abiotic stress through several mechanisms above and belowground that facilitate grass growth and improve grass quality (

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“…4). Among the genera, Flavobacterium includes fish pathogens 25 , while Edaphobaculum 26 has been poorly investigated in terms of their effects on fish physiology. These results suggest potential impacts of environmental microbiome dynamics on fish health/behavior in aquaculture systems.…”

Section: Resultsmentioning

confidence: 99%

Core species and interactions prominent in fish-associated microbiome dynamics

Yajima

Fujita

Hayashi

et al. 2022

Preprint

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In aquatic ecosystems, the health of fish depends greatly on the dynamics of microbial community structure in the background environment. Nonetheless, finding microbes with profound impacts on fish's performance out of thousands of candidate species remains a major challenge. We here show that time-series analyses of microbial population dynamics illuminate core components and structure of fish-associated microbiomes. By targeting eel aquaculture microbiomes as model systems, we reconstructed the population dynamics of 9,605 bacterial and 303 archaeal species/strains across 128 days. Due to the remarkable increase/decrease of constituent microbial populations, the taxonomic compositions of microbiomes changed drastically through time. We then found that some specific microbial taxa showed positive relationship with eels activity level even after excluding cofounding effects of environmental parameters (pH and dissolved oxygen level) on population dynamics. In particular, a vitamin B12-producing bacteria, Cetobacterium somerae, consistently showed strong positive associations with eels activity level across the replicate time-series of the five aquaculture tanks. Network theoretical and metabolic modeling analyses further suggested that the highlighted bacterium formed compartments of close microbe-to-microbe interactions with some other bacterial taxa, forming potential core microbiomes with positive impacts on eels. Overall, these results suggest that integration of microbiology, ecological theory, and network science allows us to explore core species and interactions embedded within complex dynamics of fish-associated microbiomes.

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Edaphobaculum flavum gen. nov., sp. nov., a member of family Chitinophagaceae, isolated from grassland soil

Cited by 21 publications

References 29 publications

The Bacterial Community Diversity of Bathroom Hot Tap Water Was Significantly Lower Than That of Cold Tap and Shower Water

The Bacterial Community Diversity of Bathroom Hot Tap Water Was Significantly Lower Than That of Cold Tap and Shower Water

Resilience of dry tropical rangelands : How native palms and trees mediate the effects of seasonal droughts

Core species and interactions prominent in fish-associated microbiome dynamics

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