Characterization of biofilm formation by Exiguobacterium strains in response to arsenic exposure
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Characterization of biofilm formation by Exiguobacterium strains in response to arsenic exposure. / Pavez, Valentina B.; Pacheco, Nicolás; Castro-Severyn, Juan; Pardo-Esté, Coral; Álvarez, Javiera; Zepeda, Phillippi; Krüger, Gabriel; Gallardo, Karem; Melo, Francisco; Vernal, Rolando; Aranda, Carlos; Remonsellez, Francisco; Saavedra, Claudia P.
In: Microbiology Spectrum, Vol. 11, No. 6, e0265723, 12.12.2023.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Characterization of biofilm formation by Exiguobacterium strains in response to arsenic exposure
AU - Pavez, Valentina B.
AU - Pacheco, Nicolás
AU - Castro-Severyn, Juan
AU - Pardo-Esté, Coral
AU - Álvarez, Javiera
AU - Zepeda, Phillippi
AU - Krüger, Gabriel
AU - Gallardo, Karem
AU - Melo, Francisco
AU - Vernal, Rolando
AU - Aranda, Carlos
AU - Remonsellez, Francisco
AU - Saavedra, Claudia P.
PY - 2023/12/12
Y1 - 2023/12/12
N2 - IMPORTANCE: In this work, we characterized the composition, structure, and functional potential for biofilm formation of Exiguobacterium strains isolated from the Salar de Huasco in Chile in the presence of arsenic, an abundant metalloid in the Salar that exists in different oxidation states. Our results showed that the Exiguobacterium strains tested exhibit a significant capacity to form biofilms when exposed to arsenic, which would contribute to their resistance to the metalloid. The results highlight the importance of biofilm formation and the presence of specific resistance mechanisms in the ability of microorganisms to survive and thrive under adverse conditions.
AB - IMPORTANCE: In this work, we characterized the composition, structure, and functional potential for biofilm formation of Exiguobacterium strains isolated from the Salar de Huasco in Chile in the presence of arsenic, an abundant metalloid in the Salar that exists in different oxidation states. Our results showed that the Exiguobacterium strains tested exhibit a significant capacity to form biofilms when exposed to arsenic, which would contribute to their resistance to the metalloid. The results highlight the importance of biofilm formation and the presence of specific resistance mechanisms in the ability of microorganisms to survive and thrive under adverse conditions.
KW - arsenic
KW - atomic force microscopy (AFM)
KW - biofilm
KW - Exiguobacterium
KW - extracellular polymeric substances (EPS)
KW - poly-extremophilic
KW - resistance
U2 - 10.1128/spectrum.02657-23
DO - 10.1128/spectrum.02657-23
M3 - Journal article
C2 - 37819075
AN - SCOPUS:85180005109
VL - 11
JO - Microbiology spectrum
JF - Microbiology spectrum
SN - 2165-0497
IS - 6
M1 - e0265723
ER -
ID: 377826262