Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities
Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Loro, Vania Lucia [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product - Wang, Zhuosen ELSEVIER, 2017, CBP : an international journal, London [u.a.] |
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| Übergeordnetes Werk: |
volume:166 ; year:2014 ; pages:96-104 ; extent:9 |
| Links: |
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| DOI / URN: |
10.1016/j.cbpc.2014.07.004 |
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ELV033714398 |
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| 100 | 1 | |a Loro, Vania Lucia |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities |
| 264 | 1 | |c 2014transfer abstract | |
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| 520 | |a Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. | ||
| 520 | |a Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. | ||
| 700 | 1 | |a Nogueira, Lygia |4 oth | |
| 700 | 1 | |a Nadella, Sunita R. |4 oth | |
| 700 | 1 | |a Wood, Chris M. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Pergamon Press |a Wang, Zhuosen ELSEVIER |t Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product |d 2017 |d CBP : an international journal |g London [u.a.] |w (DE-627)ELV007784783 |
| 773 | 1 | 8 | |g volume:166 |g year:2014 |g pages:96-104 |g extent:9 |
| 856 | 4 | 0 | |u https://doi.org/10.1016/j.cbpc.2014.07.004 |3 Volltext |
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10.1016/j.cbpc.2014.07.004 doi GBVA2014005000006.pica (DE-627)ELV033714398 (ELSEVIER)S1532-0456(14)00090-8 DE-627 ger DE-627 rakwb eng 610 610 DE-600 550 VZ KARTEN DE-1a fid 38.03 bkl 74.48 bkl 74.41 bkl Loro, Vania Lucia verfasserin aut Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities 2014transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Nogueira, Lygia oth Nadella, Sunita R. oth Wood, Chris M. oth Enthalten in Pergamon Press Wang, Zhuosen ELSEVIER Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product 2017 CBP : an international journal London [u.a.] (DE-627)ELV007784783 volume:166 year:2014 pages:96-104 extent:9 https://doi.org/10.1016/j.cbpc.2014.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-KARTEN SSG-OPC-GGO SSG-OPC-AST SSG-OPC-GEO 38.03 Methoden und Techniken der Geowissenschaften VZ 74.48 Geoinformationssysteme VZ 74.41 Luftaufnahmen Photogrammetrie VZ AR 166 2014 96-104 9 045F 610 |
| spelling |
10.1016/j.cbpc.2014.07.004 doi GBVA2014005000006.pica (DE-627)ELV033714398 (ELSEVIER)S1532-0456(14)00090-8 DE-627 ger DE-627 rakwb eng 610 610 DE-600 550 VZ KARTEN DE-1a fid 38.03 bkl 74.48 bkl 74.41 bkl Loro, Vania Lucia verfasserin aut Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities 2014transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Nogueira, Lygia oth Nadella, Sunita R. oth Wood, Chris M. oth Enthalten in Pergamon Press Wang, Zhuosen ELSEVIER Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product 2017 CBP : an international journal London [u.a.] (DE-627)ELV007784783 volume:166 year:2014 pages:96-104 extent:9 https://doi.org/10.1016/j.cbpc.2014.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-KARTEN SSG-OPC-GGO SSG-OPC-AST SSG-OPC-GEO 38.03 Methoden und Techniken der Geowissenschaften VZ 74.48 Geoinformationssysteme VZ 74.41 Luftaufnahmen Photogrammetrie VZ AR 166 2014 96-104 9 045F 610 |
| allfields_unstemmed |
10.1016/j.cbpc.2014.07.004 doi GBVA2014005000006.pica (DE-627)ELV033714398 (ELSEVIER)S1532-0456(14)00090-8 DE-627 ger DE-627 rakwb eng 610 610 DE-600 550 VZ KARTEN DE-1a fid 38.03 bkl 74.48 bkl 74.41 bkl Loro, Vania Lucia verfasserin aut Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities 2014transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Nogueira, Lygia oth Nadella, Sunita R. oth Wood, Chris M. oth Enthalten in Pergamon Press Wang, Zhuosen ELSEVIER Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product 2017 CBP : an international journal London [u.a.] (DE-627)ELV007784783 volume:166 year:2014 pages:96-104 extent:9 https://doi.org/10.1016/j.cbpc.2014.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-KARTEN SSG-OPC-GGO SSG-OPC-AST SSG-OPC-GEO 38.03 Methoden und Techniken der Geowissenschaften VZ 74.48 Geoinformationssysteme VZ 74.41 Luftaufnahmen Photogrammetrie VZ AR 166 2014 96-104 9 045F 610 |
| allfieldsGer |
10.1016/j.cbpc.2014.07.004 doi GBVA2014005000006.pica (DE-627)ELV033714398 (ELSEVIER)S1532-0456(14)00090-8 DE-627 ger DE-627 rakwb eng 610 610 DE-600 550 VZ KARTEN DE-1a fid 38.03 bkl 74.48 bkl 74.41 bkl Loro, Vania Lucia verfasserin aut Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities 2014transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Nogueira, Lygia oth Nadella, Sunita R. oth Wood, Chris M. oth Enthalten in Pergamon Press Wang, Zhuosen ELSEVIER Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product 2017 CBP : an international journal London [u.a.] (DE-627)ELV007784783 volume:166 year:2014 pages:96-104 extent:9 https://doi.org/10.1016/j.cbpc.2014.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-KARTEN SSG-OPC-GGO SSG-OPC-AST SSG-OPC-GEO 38.03 Methoden und Techniken der Geowissenschaften VZ 74.48 Geoinformationssysteme VZ 74.41 Luftaufnahmen Photogrammetrie VZ AR 166 2014 96-104 9 045F 610 |
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10.1016/j.cbpc.2014.07.004 doi GBVA2014005000006.pica (DE-627)ELV033714398 (ELSEVIER)S1532-0456(14)00090-8 DE-627 ger DE-627 rakwb eng 610 610 DE-600 550 VZ KARTEN DE-1a fid 38.03 bkl 74.48 bkl 74.41 bkl Loro, Vania Lucia verfasserin aut Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities 2014transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. Nogueira, Lygia oth Nadella, Sunita R. oth Wood, Chris M. oth Enthalten in Pergamon Press Wang, Zhuosen ELSEVIER Monitoring land surface albedo and vegetation dynamics using high spatial and temporal resolution synthetic time series from Landsat and the MODIS BRDF/NBAR/albedo product 2017 CBP : an international journal London [u.a.] (DE-627)ELV007784783 volume:166 year:2014 pages:96-104 extent:9 https://doi.org/10.1016/j.cbpc.2014.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-KARTEN SSG-OPC-GGO SSG-OPC-AST SSG-OPC-GEO 38.03 Methoden und Techniken der Geowissenschaften VZ 74.48 Geoinformationssysteme VZ 74.41 Luftaufnahmen Photogrammetrie VZ AR 166 2014 96-104 9 045F 610 |
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zinc bioaccumulation and ionoregulatory impacts in fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities |
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Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities |
| abstract |
Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. |
| abstractGer |
Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. |
| abstract_unstemmed |
Exposure of Fundulus heteroclitus to an environmentally relevant Zn concentration (500μgL−1) at different salinities (0, 3.5, 10.5, and 35ppt) revealed the following effects: (i) plasma [Zn] doubled after exposure at 0ppt, a response which was eliminated at 35 ppt. Tissue [Zn] also increased in gill, liver, intestine, and carcass at 0ppt. (ii) Both branchial and intestinal Ca2+ ATPase activities decreased in response to Zn at 0ppt and were elevated at 35 ppt. Plasma [Ca] decreased by 50% at 0ppt and by 30% at 3.5ppt and increased by 20% at 35ppt. Gill [Ca] decreased by 35% at 0ppt and increased by about 30% at all higher salinities. (iii) Branchial Na+,K+ ATPase activity decreased by 50% at 0ppt, increased by 30% and 90% at 10.5 and 35ppt respectively. Intestinal Na+,K+ ATPase activity was reduced by 30% at 0ppt. (iv) Plasma [Na] decreased by 30% at 0ppt in Zn-exposed. Zn exposure also disturbed the homeostasis of tissue cations (Na+, K+, Ca++, Mg++) in a tissue-specific and salinity-dependent manner. (v) Drinking rate was not altered by Zn exposure. In toxicity tests, acute Zn lethality (96-h LC50) increased in a close to linear fashion from 9.8mg L −1 at 0ppt to 75.0mgL −1 at 35ppt. We conclude that sublethal Zn exposure causes pathological changes in both Ca++ and Na+ homeostases, and that increasing salinity exerts protective effects against both sublethal and lethal Zn toxicities. |
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Zinc bioaccumulation and ionoregulatory impacts in Fundulus heteroclitus exposed to sublethal waterborne zinc at different salinities |
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https://doi.org/10.1016/j.cbpc.2014.07.004 |
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Nogueira, Lygia Nadella, Sunita R. Wood, Chris M. |
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10.1016/j.cbpc.2014.07.004 |
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2024-07-06T19:15:58.865Z |
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