| Title: | Description of Komagataeibacter melaceti sp. nov. and Komagataeibacter melomenusus sp. nov. isolated from apple cider vinegar |
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| Authors: | ID Marič, Leon (Author)
ID Cleenwerck, Ilse (Author)
ID Accetto, Tomaž (Author)
ID Vandamme, Peter (Author)
ID Trček, Janja (Author) |
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| Files: |  Maric-2020-Description_of_i_Komagataeibacter__.pdf (1,73 MB)
MD5: 807799E3BA279D0DE935CCA2D049C4EC
 https://doi.org/10.3390/microorganisms8081178
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FNM - Faculty of Natural Sciences and Mathematics
FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | Two novel strains AV382 and AV436 were isolated from a submerged industrial bioreactor for production of apple cider vinegar in Kopivnik (Slovenia). Both strains showed very high (≥98.2%) 16S rRNA gene sequence similarities with Komagataeibacter species, but lower 16S–23S rRNA gene internal transcribed spacer (ITS). The highest similarity of the 16S–23S rRNA gene ITS of AV382 was to Komagataeibacter kakiaceti LMG 26206$^T$ (91.6%), of AV436 to Komagataeibacter xylinus LMG 1515$^T$ (93.9%). The analysis of genome sequences confirmed that AV382 is the most closely related to K. kakiaceti (ANIb 88.2%) and AV436 to K. xylinus (ANIb 91.6%). Genome to genome distance calculations exhibit for both strains ≤47.3% similarity to all type strains of the genus Komagataeibacter. The strain AV382 can be differentiated from its closest relatives K. kakiaceti and Komagataeibacter saccharivorans by its ability to form 2-keto and 5-keto-D-gluconic acids from glucose, incapability to grow in the presence of 30% glucose, formation of C$_{19:0}$ cyclo ω8c fatty acid and tolerance of up to 5% acetic acid in the presence of ethanol. The strain AV436 can be differentiated from its closest relatives K. xylinus, Komagataeibacter sucrofermentans, and Komagataeibacter nataicola by its ability to form 5-keto-D-gluconic acid, growth on 1-propanol, efficient synthesis of cellulose, and tolerance to up to 5% acetic acid in the presence ethanol. The major fatty acid of both strains is C$_{18:1}$ ω7c. Based on a combination of phenotypic, chemotaxonomic and phylogenetic features, the strains AV382$^T$ and AV436$^T$ represent novel species of the genus Komagataeibacter, for which the names Komagataeibacter melaceti sp. nov. and Komagataeibacter melomenusus are proposed, respectively. The type strain of Komagataeibacter melaceti is AV382$^T$ (= ZIM B1054$^T$ = LMG 31303$^T$ = CCM 8958$^T$) and of Komagataeibacter melomenusus AV436$^T$ (= ZIM B1056$^T$ = LMG 31304$^T$ = CCM 8959$^T$). |
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| Keywords: | Acetic acid bacteria, Acetobacteraceae, Komagataeibacter, Komagataeibacter melaceti, Komagataeibacter melomenusus, vinegar |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 30.06.2020 |
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| Article acceptance date: | 30.07.2020 |
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| Publication date: | 03.08.2020 |
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| Publisher: | MDPI |
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| Year of publishing: | 2020 |
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| Number of pages: | Str. 1-16 |
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| Numbering: | Letn. 8, št. 8, št. članka 1178 |
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| PID: | 20.500.12556/DKUM-81151  |
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| UDC: | 579.6 |
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| ISSN on article: | 2076-2607 |
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| COBISS.SI-ID: | 24579587 |
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| DOI: | 10.3390/microorganisms8081178 |
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| Publication date in DKUM: | 02.09.2022 |
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| Views: | 669 |
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| Downloads: | 40 |
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| Metadata: |    |
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| Categories: | Misc.
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