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. 2020 Sep 4;10:466. doi: 10.3389/fcimb.2020.00466

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Copyright © 2020 Kamanova.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Genetic organization of the type III regulation btr and secretion bsc loci in different Bordetella species. The genetic organization of btr-bsc loci of B. pertussis Tohama I (NC_002929.2, btr BP2226—BP2234, bsc BP2235—BP2265) and bsc-btr loci of B. bronchiseptica RB50 (NC_002927.3, bsc BB1608-BB1637, btr BB1638-BB1646), B. parapertussis_OV Bpp5 (NC_018828.1, bsc BPP5_1370-BPP5_1399, btr BPP5_1400-BPP5_1408), B. parapertussis_HU 12822 (NC_002928.3, bsc BPP2211-BPP2240, btr BPP2241-BPP2249) and B. ansorpii NCTC13364 (FKBS01000014.1, contig: ERS088257SCcontig000014, bsc SAMEA1982600_01974-SAMEA1982600_02005, btr SAMEA1982600_02006-SAMEA1982600_02014) is shown. The genes of btr and bsc loci are depicted in blue and green, respectively. The putative pseudogenes BPP2215 and BPP2241 in bsc-btr loci of B. parapertussis_HU 12822 are highlighted in yellow (Parkhill et al., 2003) whereas the Bsp22 tip filament protein gene in bsc loci of classical bordetellae and 3 orfs that replaced this gene in B. ansorpii are highlighted in red. Arrows indicate the direction of transcription.