Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium

Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimo...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Sun, Li-Na [verfasserIn] Guo, Bin [verfasserIn] Lyu, Wei-Guang [verfasserIn] Tang, Xian-Jin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Arsenite oxidation Antimonite oxidation Biotechnology

Übergeordnetes Werk:	Enthalten in: Environmental research - San Diego, Calif. : Elsevier, 1967, 191
Übergeordnetes Werk:	volume:191

DOI / URN:	10.1016/j.envres.2020.110136

Katalog-ID:	ELV004921127

Internformat


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245	1	0	\|a Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
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520			\|a Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments.
650		4	\|a Arsenite oxidation
650		4	\|a Antimonite oxidation
650		4	\|a Biotechnology
700	1		\|a Guo, Bin \|e verfasserin \|4 aut
700	1		\|a Lyu, Wei-Guang \|e verfasserin \|4 aut
700	1		\|a Tang, Xian-Jin \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Environmental research \|d San Diego, Calif. : Elsevier, 1967 \|g 191 \|h Online-Ressource \|w (DE-627)266876927 \|w (DE-600)1467489-0 \|w (DE-576)109967119 \|x 1096-0953 \|7 nnns
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936	b	k	\|a 44.13 \|j Medizinische Ökologie
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Indexfelder

author_variant	l n s lns b g bg w g l wgl x j t xjt
matchkey_str	article:10960953:2020----::eoiadhsooiacaatrztooaatmnadrei
hierarchy_sort_str	2020
bklnumber	44.13
publishDate	2020
allfields	10.1016/j.envres.2020.110136 doi (DE-627)ELV004921127 (ELSEVIER)S0013-9351(20)31033-1 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Sun, Li-Na verfasserin aut Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments. Arsenite oxidation Antimonite oxidation Biotechnology Guo, Bin verfasserin aut Lyu, Wei-Guang verfasserin aut Tang, Xian-Jin verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 191 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:191 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 191
spelling	10.1016/j.envres.2020.110136 doi (DE-627)ELV004921127 (ELSEVIER)S0013-9351(20)31033-1 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Sun, Li-Na verfasserin aut Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments. Arsenite oxidation Antimonite oxidation Biotechnology Guo, Bin verfasserin aut Lyu, Wei-Guang verfasserin aut Tang, Xian-Jin verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 191 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:191 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 191
allfields_unstemmed	10.1016/j.envres.2020.110136 doi (DE-627)ELV004921127 (ELSEVIER)S0013-9351(20)31033-1 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Sun, Li-Na verfasserin aut Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments. Arsenite oxidation Antimonite oxidation Biotechnology Guo, Bin verfasserin aut Lyu, Wei-Guang verfasserin aut Tang, Xian-Jin verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 191 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:191 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 191
allfieldsGer	10.1016/j.envres.2020.110136 doi (DE-627)ELV004921127 (ELSEVIER)S0013-9351(20)31033-1 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Sun, Li-Na verfasserin aut Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments. Arsenite oxidation Antimonite oxidation Biotechnology Guo, Bin verfasserin aut Lyu, Wei-Guang verfasserin aut Tang, Xian-Jin verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 191 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:191 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 191
allfieldsSound	10.1016/j.envres.2020.110136 doi (DE-627)ELV004921127 (ELSEVIER)S0013-9351(20)31033-1 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Sun, Li-Na verfasserin aut Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments. Arsenite oxidation Antimonite oxidation Biotechnology Guo, Bin verfasserin aut Lyu, Wei-Guang verfasserin aut Tang, Xian-Jin verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 191 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:191 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 191
language	English
source	Enthalten in Environmental research 191 volume:191
sourceStr	Enthalten in Environmental research 191 volume:191
format_phy_str_mv	Article
bklname	Medizinische Ökologie
institution	findex.gbv.de
topic_facet	Arsenite oxidation Antimonite oxidation Biotechnology
dewey-raw	333.7
isfreeaccess_bool	false
container_title	Environmental research
authorswithroles_txt_mv	Sun, Li-Na @@aut@@ Guo, Bin @@aut@@ Lyu, Wei-Guang @@aut@@ Tang, Xian-Jin @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	266876927
dewey-sort	3333.7
id	ELV004921127
language_de	englisch
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author	Sun, Li-Na
spellingShingle	Sun, Li-Na ddc 333.7 bkl 44.13 misc Arsenite oxidation misc Antimonite oxidation misc Biotechnology Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
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topic_title	333.7 610 DE-600 44.13 bkl Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium Arsenite oxidation Antimonite oxidation Biotechnology
topic	ddc 333.7 bkl 44.13 misc Arsenite oxidation misc Antimonite oxidation misc Biotechnology
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title	Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
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title_full	Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
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title_sort	genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
title_auth	Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
abstract	Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments.
abstractGer	Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments.
abstract_unstemmed	Antimony (Sb) and arsenic (As) are two toxic metalloids, which are listed as priority environmental pollutants by the European Union and the U.S. Environmental Protection Agency (EPA). Antimony taken up by plants enters the food chain and poses a threat to human health. Microbial oxidation of antimonite (Sb(III)) and arsenite (As(III)) to the less toxic antimonate (Sb(V)) and arsenate (As(V)), has great potential for the immobilization of Sb and As in the environment. A heterotrophic aerobic bacterium, Roseomonas rhizosphaerae YW11, oxidized both Sb(III) and As(III) in the modified R2A medium. In the same medium, strain YW11 preferred to oxidize Sb(III), whereas the As(III) oxidation rate was only 50%. Genomic analysis of YW11 confirmed the presence of several As-resistance gene islands. The aioAB genes encoding As(III) oxidase were also induced by Sb(III). The role of aioA in Sb(III) oxidation and resistance was confirmed by disrupting this gene in strain YW11, resulting in the loss of Sb(III) oxidation abilities. This study documents an enzymatic basis for microbial Sb(III) oxidation in strain YW11, which is a novel bacterial strain showing simultaneous oxidation of Sb(III) and As(III), and may be a potential candidate for bioremediation of heavy metal-contaminated environments.
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title_short	Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium
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Genomic and physiological characterization of an antimony and arsenite-oxidizing bacterium

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