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Brucella abortus depends on pyruvate phosphate dikinase and malic enzyme but not on Fbp and GlpX fructose-1,6-bisphosphatases for full virulence in laboratory models.
Zúñiga-Ripa A, Barbier T, Conde-Álvarez R, Martínez-Gómez E, Palacios-Chaves L, Gil-Ramírez Y, Grilló MJ, Letesson JJ, Iriarte M, Moriyón I. Zúñiga-Ripa A, et al. Among authors: palacios chaves l. J Bacteriol. 2014 Aug 15;196(16):3045-57. doi: 10.1128/JB.01663-14. Epub 2014 Jun 16. J Bacteriol. 2014. PMID: 24936050 Free PMC article.
Brucella abortus ornithine lipids are dispensable outer membrane components devoid of a marked pathogen-associated molecular pattern.
Palacios-Chaves L, Conde-Álvarez R, Gil-Ramírez Y, Zúñiga-Ripa A, Barquero-Calvo E, Chacón-Díaz C, Chaves-Olarte E, Arce-Gorvel V, Gorvel JP, Moreno E, de Miguel MJ, Grilló MJ, Moriyón I, Iriarte M. Palacios-Chaves L, et al. PLoS One. 2011 Jan 7;6(1):e16030. doi: 10.1371/journal.pone.0016030. PLoS One. 2011. PMID: 21249206 Free PMC article.
The identification of wadB, a new glycosyltransferase gene, confirms the branched structure and the role in virulence of the lipopolysaccharide core of Brucella abortus.
Gil-Ramírez Y, Conde-Álvarez R, Palacios-Chaves L, Zúñiga-Ripa A, Grilló MJ, Arce-Gorvel V, Hanniffy S, Moriyón I, Iriarte M. Gil-Ramírez Y, et al. Among authors: palacios chaves l. Microb Pathog. 2014 Aug;73:53-9. doi: 10.1016/j.micpath.2014.06.002. Epub 2014 Jun 11. Microb Pathog. 2014. PMID: 24927935
The lipopolysaccharide core of Brucella abortus acts as a shield against innate immunity recognition.
Conde-Álvarez R, Arce-Gorvel V, Iriarte M, Manček-Keber M, Barquero-Calvo E, Palacios-Chaves L, Chacón-Díaz C, Chaves-Olarte E, Martirosyan A, von Bargen K, Grilló MJ, Jerala R, Brandenburg K, Llobet E, Bengoechea JA, Moreno E, Moriyón I, Gorvel JP. Conde-Álvarez R, et al. Among authors: palacios chaves l. PLoS Pathog. 2012;8(5):e1002675. doi: 10.1371/journal.ppat.1002675. Epub 2012 May 10. PLoS Pathog. 2012. PMID: 22589715 Free PMC article.
Identification of lptA, lpxE, and lpxO, Three Genes Involved in the Remodeling of Brucella Cell Envelope.
Conde-Álvarez R, Palacios-Chaves L, Gil-Ramírez Y, Salvador-Bescós M, Bárcena-Varela M, Aragón-Aranda B, Martínez-Gómez E, Zúñiga-Ripa A, de Miguel MJ, Bartholomew TL, Hanniffy S, Grilló MJ, Vences-Guzmán MÁ, Bengoechea JA, Arce-Gorvel V, Gorvel JP, Moriyón I, Iriarte M. Conde-Álvarez R, et al. Among authors: palacios chaves l. Front Microbiol. 2018 Jan 10;8:2657. doi: 10.3389/fmicb.2017.02657. eCollection 2017. Front Microbiol. 2018. PMID: 29375522 Free PMC article.
The Phospholipid N-Methyltransferase and Phosphatidylcholine Synthase Pathways and the ChoXWV Choline Uptake System Involved in Phosphatidylcholine Synthesis Are Widely Conserved in Most, but Not All Brucella Species.
Aragón-Aranda B, Palacios-Chaves L, Salvador-Bescós M, de Miguel MJ, Muñoz PM, Vences-Guzmán MÁ, Zúñiga-Ripa A, Lázaro-Antón L, Sohlenkamp C, Moriyón I, Iriarte M, Conde-Álvarez R. Aragón-Aranda B, et al. Among authors: palacios chaves l. Front Microbiol. 2021 Aug 4;12:614243. doi: 10.3389/fmicb.2021.614243. eCollection 2021. Front Microbiol. 2021. PMID: 34421831 Free PMC article.