<i>Acetobacteraceae</i>

Sievers, Martin; Swings, Jean

doi:10.1002/9781118960608.fbm00174

Cited by 8 publications

(9 citation statements)

References 121 publications

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“…As shown in Figure 3 , Atopostipes ( p = 0.0021, LDA score = 3.49) and Acetobacteraceae ( p = 0.0315, LDA score = 3.08) were significantly enriched on the leaves of suburban camphor trees with an optimum growth temperature of 28~30 °C [ 33 ] and 28~33 °C [ 34 ], respectively, and were not heat tolerant. In contrast, Hydrogenophilus ( p = 0.0021, LDA score = 3.49), Schlegelella ( p = 0.0345, LDA score = 4.24), and Albidovulum ( p = 0.0424, LDA score = 3.81), which were markedly enriched in urban areas, were thermophilic bacteria with optimum growth temperatures of 50~52 °C [ 35 ], 50 °C [ 36 ], and 50 °C [ 37 ], respectively.…”

Section: Resultsmentioning

confidence: 99%

Urbanization Reduces Phyllosphere Microbial Network Complexity and Species Richness of Camphor Trees

Han

et al. 2023

Microorganisms

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Studies on microbial communities associated with foliage in natural ecosystems have grown in number in recent years yet have rarely focused on urban ecosystems. With urbanization, phyllosphere microorganisms in the urban environment have come under pressures from increasing human activities. To explore the effects of urbanization on the phyllosphere microbial communities of urban ecosystems, we investigated the phyllosphere microbial structure and the diversity of camphor trees in eight parks along a suburban-to-urban gradient. The results showed that the number of ASVs (amplicon sequence variants), unique on the phyllosphere microbial communities of three different urbanization gradients, was 4.54 to 17.99 times higher than that of the shared ASVs. Specific microbial biomarkers were also found for leaf samples from each urbanization gradient. Moreover, significant differences (R2 = 0.133, p = 0.005) were observed in the phyllosphere microbial structure among the three urbanization gradients. Alpha diversity and co-occurrence patterns of bacterial communities showed that urbanization can strongly reduce the complexity and species richness of the phyllosphere microbial network of camphor trees. Correlation analysis with environmental factors showed that leaf total carbon (C), nitrogen (N), and sulfur (S), as well as leaf C/N, soil pH, and artificial light intensity at night (ALIAN) were the important drivers in determining the divergence of phyllosphere microbial communities across the urbanization gradient. Together, we found that urbanization can affect the composition of the phyllosphere bacterial community of camphor trees, and that the interplay between human activities and plant microbial communities may contribute to shaping the urban microbiome.

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Section: Resultsmentioning

confidence: 99%

Urbanization Reduces Phyllosphere Microbial Network Complexity and Species Richness of Camphor Trees

Han

et al. 2023

Microorganisms

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“…When ethanol has been completely oxidized and depleted, some genera of AAB, namely Acetobacter , Gluconacetobacter , and Komagataeibacter , can assimilate acetic acid and oxidize it completely to CO 2 and water using the citric acid cycle and glyoxylate shunt, which is known as acetate “overoxidation” (Sievers & Swings, ). There also appears to be an irreversible metabolic change, after which they are unable to oxidize ethanol again; this is evidently unfavorable in vinegar production as it leads to lower acetic acid yields (Raspor & Goranovic, ).…”

Section: Physiology and Metabolism Of Aabmentioning

confidence: 99%

“…As described above, when ethanol has been completely oxidized and depleted, some genera of AAB assimilate acetic acid and oxidize it completely to CO 2 and water using the citric acid cycle and glyoxylate shunt (acetate “overoxidation”) (Sievers & Swings, ). Thus, overoxidation is a mechanism by which the intracellular acetic acid level can be decreased, while also gleaning energy from the process through the oxidative reactions of the citric acid cycle.…”

Section: Physiology and Metabolism Of Aabmentioning

confidence: 99%

Physiology of Acetic Acid Bacteria and Their Role in Vinegar and Fermented Beverages

Lynch

Zannini

Wilkinson

et al. 2019

Comp Rev Food Sci Food Safe

149

139

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Acetic acid bacteria (AAB) have, for centuries, been important microorganisms in the production of fermented foods and beverages such as vinegar, kombucha, (water) kefir, and lambic beer. Their unique form of metabolism, known as “oxidative” fermentation, mediates the transformation of a variety of substrates into products, which are of importance in the food and beverage industry and beyond; the most well‐known of which is the oxidation of ethanol into acetic acid. Here, a comprehensive review of the physiology of AAB is presented, with particular emphasis on their importance in the production of vinegar and fermented beverages. In addition, particular reference is addressed toward Gluconobacter oxydans due to its biotechnological applications, such as its role in vitamin C production. The production of vinegar and fermented beverages in which AAB play an important role is discussed, followed by an examination of the literature relating to the health benefits associated with consumption of these products. AAB hold great promise for future exploitation, both due to increased consumer demand for traditional fermented beverages such as kombucha, and for the development of new types of products. Further studies on the health benefits related to the consumption of these fermented products and guidelines on assessing the safety of AAB for use as microbial food cultures (starter cultures) are, however, necessary in order to take full advantage of this important group of microorganisms.

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“…AAB are characterized by a rod-shaped morphology, and typically catalase-positive (except for Acetobacter peroxydans ) and oxidase-negative phenotypes, whereas the acidophilic group are mostly rods but also include some cocci, and are predominantly catalase and oxidase positive [2]. AAB are aerobes that use a special oxidative fermentation pathway for the production of energy, in which electrons are transferred from organic substrates (substrate oxidation) to ubiquinone (UQ) by the action of membrane-bound dehydrogenases [4]. The reduced ubiquinone (UQH2) is an electron transporter, and eventually transfers electrons to oxygen, the ultimate electron acceptor in a process mediated by terminal ubiquinone oxidases.…”

Section: Full-textmentioning

confidence: 99%

Entomobacter blattae gen. nov., sp. nov., a new member of the Acetobacteraceae isolated from the gut of the cockroach Gromphadorhina portentosa

Guzman

Sombolestani

Poehlein

et al. 2019

International Journal of Systematic and Evolutionary Microbiology

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A novel bacterium designated G55GPT and pertaining to the family Acetobacteraceae was isolated from the gut of the Madagascar hissing cockroach Gromphadorhina portentosa. The Gram-negative cells were rod-shaped and non-motile. The complete 16S rRNA sequence of the strain G55GPT showed the highest pairwise similarity to Gluconacetobacter johannae CFN-Cf-55T (95.35 %), suggesting it represents a potential new genus of the family Acetobacteraceae . Phylogenetic analysis based on 16S rRNA gene and 106 orthologous housekeeping protein sequences revealed that G55GPT forms a monophyletic clade with the genus Commensalibacter , which thus far has also been isolated exclusively from insects. The G55GPT genome size was 2.70 Mbp, and the G+C content was 45.4 mol%, which is lower than most acetic acid bacteria (51–68 mol%) but comparable to Swingsia samuiensis AH83T (45.1 mol%) and higher than Commensalibacter intestini A911T (36.8 mol%). Overall genome relatedness indices based on gene and protein sequences strongly supported the assignment of G55GPT to a new genus within the family Acetobacteraceae . The percentage of conserved proteins, which is a useful metric for genus differentiation, was below 54 % when comparing G55GPT to type strains of acetic acid bacteria, thus strongly supporting our hypothesis that G55GPT is a member of a yet-undescribed genus. The fatty acid composition of G55GPT differed from that of closely related acetic acid bacteria, particularly given the presence of C19 : 1 ω9c/ω11c and the absence of C14 : 0 and C14 : 0 2-OH fatty acids. Strain G55GPT also differed in terms of metabolic features such as its ability to produce acid from d-mannitol, and its inability to produce acetic acid from ethanol or to oxidize glycerol to dihydroxyacetone. Based on the results of combined genomic, phenotypic and phylogenetic characterizations, isolate G55GPT (=LMG 31394T=DSM 111244T) is considered to represent a new species in a new genus, for which we propose the name Entomobacter blattae gen. nov., sp. nov.

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Acetobacteraceae

Cited by 8 publications

References 121 publications

Urbanization Reduces Phyllosphere Microbial Network Complexity and Species Richness of Camphor Trees

Urbanization Reduces Phyllosphere Microbial Network Complexity and Species Richness of Camphor Trees

Physiology of Acetic Acid Bacteria and Their Role in Vinegar and Fermented Beverages

Entomobacter blattae gen. nov., sp. nov., a new member of the Acetobacteraceae isolated from the gut of the cockroach Gromphadorhina portentosa

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