Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems
Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench....
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kharlamenko, Vladimir I. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Schlagwörter: |
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| Umfang: |
7 |
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| Übergeordnetes Werk: |
Enthalten in: THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY - Kaushal, A. ELSEVIER, 2015, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:154 ; year:2018 ; pages:358-364 ; extent:7 |
| Links: |
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| DOI / URN: |
10.1016/j.dsr2.2017.10.015 |
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| Katalog-ID: |
ELV044904215 |
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| 245 | 1 | 0 | |a Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems |
| 264 | 1 | |c 2018transfer abstract | |
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| 520 | |a Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. | ||
| 520 | |a Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. | ||
| 650 | 7 | |a Abyssal foraminifera |2 Elsevier | |
| 650 | 7 | |a Polyunsaturated fatty acids |2 Elsevier | |
| 650 | 7 | |a Kuril Basin |2 Elsevier | |
| 650 | 7 | |a New and rare fatty acids |2 Elsevier | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Kaushal, A. ELSEVIER |t THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY |d 2015 |g Amsterdam [u.a.] |w (DE-627)ELV023730552 |
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10.1016/j.dsr2.2017.10.015 doi GBV00000000000424.pica (DE-627)ELV044904215 (ELSEVIER)S0967-0645(17)30140-6 DE-627 ger DE-627 rakwb eng 610 VZ 600 540 VZ Kharlamenko, Vladimir I. verfasserin aut Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems 2018transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Abyssal foraminifera Elsevier Polyunsaturated fatty acids Elsevier Kuril Basin Elsevier New and rare fatty acids Elsevier Enthalten in Elsevier Science Kaushal, A. ELSEVIER THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY 2015 Amsterdam [u.a.] (DE-627)ELV023730552 volume:154 year:2018 pages:358-364 extent:7 https://doi.org/10.1016/j.dsr2.2017.10.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 154 2018 358-364 7 |
| spelling |
10.1016/j.dsr2.2017.10.015 doi GBV00000000000424.pica (DE-627)ELV044904215 (ELSEVIER)S0967-0645(17)30140-6 DE-627 ger DE-627 rakwb eng 610 VZ 600 540 VZ Kharlamenko, Vladimir I. verfasserin aut Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems 2018transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Abyssal foraminifera Elsevier Polyunsaturated fatty acids Elsevier Kuril Basin Elsevier New and rare fatty acids Elsevier Enthalten in Elsevier Science Kaushal, A. ELSEVIER THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY 2015 Amsterdam [u.a.] (DE-627)ELV023730552 volume:154 year:2018 pages:358-364 extent:7 https://doi.org/10.1016/j.dsr2.2017.10.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 154 2018 358-364 7 |
| allfields_unstemmed |
10.1016/j.dsr2.2017.10.015 doi GBV00000000000424.pica (DE-627)ELV044904215 (ELSEVIER)S0967-0645(17)30140-6 DE-627 ger DE-627 rakwb eng 610 VZ 600 540 VZ Kharlamenko, Vladimir I. verfasserin aut Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems 2018transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Abyssal foraminifera Elsevier Polyunsaturated fatty acids Elsevier Kuril Basin Elsevier New and rare fatty acids Elsevier Enthalten in Elsevier Science Kaushal, A. ELSEVIER THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY 2015 Amsterdam [u.a.] (DE-627)ELV023730552 volume:154 year:2018 pages:358-364 extent:7 https://doi.org/10.1016/j.dsr2.2017.10.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 154 2018 358-364 7 |
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10.1016/j.dsr2.2017.10.015 doi GBV00000000000424.pica (DE-627)ELV044904215 (ELSEVIER)S0967-0645(17)30140-6 DE-627 ger DE-627 rakwb eng 610 VZ 600 540 VZ Kharlamenko, Vladimir I. verfasserin aut Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems 2018transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. Abyssal foraminifera Elsevier Polyunsaturated fatty acids Elsevier Kuril Basin Elsevier New and rare fatty acids Elsevier Enthalten in Elsevier Science Kaushal, A. ELSEVIER THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY 2015 Amsterdam [u.a.] (DE-627)ELV023730552 volume:154 year:2018 pages:358-364 extent:7 https://doi.org/10.1016/j.dsr2.2017.10.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 154 2018 358-364 7 |
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Enthalten in THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY Amsterdam [u.a.] volume:154 year:2018 pages:358-364 extent:7 |
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THE RISK OF OBSTRUCTIVE SLEEP APNEA IN A HEALTHY, MIDDLE-AGED NORTH AMERICAN POPULATION: INSIGHTS FROM THE PRIMARY CARE AUDIT OF GLOBAL RISK MANAGEMENT (PARADIGM) STUDY |
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Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems |
| abstract |
Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. |
| abstractGer |
Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. |
| abstract_unstemmed |
Many rare and new polyunsaturated fatty acids (FAs) have been found in lipids of the foraminifera Reophax nodulosus, Crithionina sp. and Pyrgo sp. from the abyssal zone of the Kuril Basin (Sea of Okhotsk) and the adjacent abyssal area of Pacific Ocean, including the slope of Kuril-Kamchatka Trench. Polyunsaturated fatty acids (PUFAs) of the (n-5) family, previously unknown for marine organisms, dominated among PUFAs of the agglutinated foraminifera Reophax nodulosus. Moreover, 22:5(n-5) is the main FA of these foraminifera: its content (16.1–20.6%) is much higher than that of other PUFAs. The new FAs 23:5(n-6), 23:4(n-9), 24:4(n-10), and 24:5(n-7) have been found in the agglutinated foraminifera Crithionina sp., with their concentrations reaching 1.4%, 0.5%, 0.1%, and 1.6%, respectively. Lipids of the calcareous foraminifera Pyrgo sp. contained new 23:4(n-7), 24:4(n-8), 24:5(n-9), 24:6(n-6), and 26:5(n-3) PUFAs at concentrations of 0.4%, 0.4%, 1.7%, 0.9%, and 0.9%, respectively. The possible pathways of biosynthesis of these rare and new FAs in foraminifera are proposed. These PUFAs are not found in the bottom sediments inhabited by these foraminifera, but have been detected in lipids of various abyssal deposit-feeding invertebrates (echiurans, irregular echinoids and sea stars). The presence of new FAs, previously known only from foraminifera, in such benthic animals is a valuable supplement to the study of trophic relationships of these animals. |
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| title_short |
Abyssal foraminifera as the main source of rare and new polyunsaturated fatty acids in deep-sea ecosystems |
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https://doi.org/10.1016/j.dsr2.2017.10.015 |
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10.1016/j.dsr2.2017.10.015 |
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