Lipids of Indo-Pacific gorgonian corals are modified under the influence of microbial associations

Sikorskaya, Tatyana V.; Ermolenko, Ekaterina V.; Efimova, Kseniya V.

doi:10.1007/s00338-022-02222-1

Cited by 11 publications

(19 citation statements)

References 98 publications

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“…Ether lipids that contain alkyl or vinyl moieties at sn ‐1 position of glycerol backbone (phospholipids and monoalkyldiacylglycerols) have been detected only in animal tissues and anaerobic bacteria (Sikorskaya et al . 2022a; Vítová et al . 2021).…”

Section: Resultsmentioning

confidence: 99%

“…Ether lipids that contain alkyl or vinyl moieties at sn-1 position of glycerol backbone (phospholipids and monoalkyldiacylglycerols) have been detected only in animal tissues and anaerobic bacteria (Sikorskaya et al 2022a;Vítov a et al 2021). In the present study, based on the assumption that the diacyl molecular species are of dinoflagellate origin, and the alkylacyl species are related to the coral host, the diacyl molecular species of PC were determined (Table 1).…”

Section: Dgcc and Pc Molecular Species Profile Of The Coralsmentioning

confidence: 99%

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Betaine lipids of Symbiodiniaceae hosted by Indo‐Pacific corals

Sikorskaya

Ermolenko

Long

2023

Phycological Research

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SUMMARYThe total pool of coral lipids consists of lipids produced by both the coral host and its symbiotic dinoflagellates of the family Symbiodiniaceae. Betaine lipids (BL) are characteristic of plasma membranes of microalgae. Composition of such BL as 1,2‐diacylglyceryl‐3‐O‐carboxy‐(hydroxymethyl)‐choline (DGCC) that occur in coral symbionts may depend on either Symbiodiniaceae species or coral species. Membrane‐forming lipids DGCC have a zwitterion structure similar to that of phosphatidylcholine (PC). They can substitute for each other to a substantial extent, certainly in relation to membrane functions. In the present study, the profiles of DGCC and diacyl PC molecular species of symbiotic dinoflagellates from Acropora sp., Millepora platyphylla and Sinularia flexibilis were determined by high‐performance liquid chromatography with high‐resolution mass‐spectrometry. Colonies of Acropora sp. were characterized by higher contents of DGCC with eicosapentaenoic acid (20:5n‐3) and C28 polyunsaturated fatty acids; S. flexibilis, by a higher content of DGCC with palmitic acid (16:0); and M. platyphylla, by a higher content of DGCC with docosahexaenoic acid (22:6n‐3). Although the DGCC profile of the corals under study has distinctive features, it shows both similarities with and differences from the DGCC profiles of previously studied corals. Probably, each coral symbiont species has its own specific DGCC molecular species profile that is additionally modified in a certain way depending on environmental conditions created by the coral host. Molecular species DGCC and PC profiles were different. The most abundant PC molecular species were 16:0/22:5 and 38:4 in Acropora sp.; 39:5 and 38:4 in S. flexibilis; and 38:6, 16:0/22:5 and 18:0/22:6 in M. platyphylla. Thus, there is no clear evidence for any compensation or interchangeability between PC and DGCC.

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Section: Resultsmentioning

confidence: 99%

Section: Dgcc and Pc Molecular Species Profile Of The Coralsmentioning

confidence: 99%

Betaine lipids of Symbiodiniaceae hosted by Indo‐Pacific corals

Sikorskaya

Ermolenko

Long

2023

Phycological Research

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“…To analyze the content and structure of the molecular species of phosphorus-containing lipids, total lipids were separated on a Shim-Pack diol column (4.6 × 50 mm, particle size 5 μm) (Shimadzu, Japan) using a Nexera-e chromatography system (Shimadzu, Japan). The elution condition has been earlier described in detail in [ 22 ]. A high-resolution tandem mass spectrometer LCMS-IT-TOF (Shimadzu, Japan) was used in the identification and quantification of lipids.…”

Section: Methodsmentioning

confidence: 99%

“…The interface temperature was 350 • C and the desolvation line temperature was 200 • C. The rates of nebulizing (N 2 ), heating (air), and drying (N 2 ) gas supplies were 3, 10, and 10 L/min, respectively. The identification of molecular species of TG was performed according to published previously study [22].…”

Section: The Lipid Analysismentioning

confidence: 99%

Crabs Eriocheir japonica and Paralithodes camtschaticus Are a Rich Source of Lipid Molecular Species with High Nutritional Value

Ermolenko,

Sikorskaya,

Grigorchuk

2023

Foods

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Due to their valuable meat and hepatopancreas, the world’s most famous delicacies, crabs, have become target species of commercial fisheries and aquaculture. By methods of supercritical fluid and high-performance liquid chromatography, coupled with high resolution mass spectrometry, we analyzed triacylglycerols (TG) and phospholipids (PL)—glycerophosphoethanolamines (PE), glycerophosphocholines (PC), glycerophosphoserines (PS), and glycerophosphoinositols (PI)—in the hepatopancreas and muscles of the Japanese mitten crab Eriocheir japonica and the red king crab Paralithodes camtschaticus inhabiting the Sea of Japan. TGs were the main class of lipids in the crab hepatopancreas, while they were found in trace amounts in muscle. TGs of E. japonica differed from those of P. camtschaticus by a higher content of 16:0, 16:1, 18:2, and 20:4 FA and a lower content of eicosapentaenoic and docosahexaenoic acids. The Japanese mitten crab differed from the red king crab by a lower content of molecular species with eicosapentaenoic acid in PC and PI; an increased content of arachidonic acid in PE, PS, and PI; and a lower content of molecular species with docosahexaenoic acid in PE in the hepatopancreas and muscles. The high nutritional value of the crabs E. japonica and P. camtschaticus was confirmed by a high content of molecular species of lipids with n-3 polyunsaturated fatty acids. The data of the lipid molecular species profile provide new background information for future studies on biochemistry and aquaculture of crabs.

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“…The lipid composition of each taxon largely depends on its genetic capability of synthesizing certain fatty acids (FA). Therefore, FAs are successfully used in chemical systematics of various taxonomic groups including bacteria, fungi, macro- and microalgae, and corals [ 31 , 32 , 33 ]. Several classes of glycolipids such as sulfoquinovosyldiacylglycerol (SQDG), monogalactosyldiacylglycerol and digalactosyldiacylglycerol (MGDG and DGDG), and phosphorus-containing class phosphatidylglycerol (PG) are essential components of biomembranes of the photosynthetic apparatus in plants and form a basis of symbiotic dinoflagellate lipids [ 34 , 35 , 36 ].…”

Section: Introductionmentioning

confidence: 99%

Coral Holobionts Possess Distinct Lipid Profiles That May Be Shaped by Symbiodiniaceae Taxonomy

et al. 2022

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Symbiotic relationships are very important for corals. Abiotic stressors cause the acclimatization of cell membranes in symbionts, which possess different membrane acclimatization strategies. Membrane stability is determined by a unique lipid composition and, thus, the profile of thylakoid lipids can depend on coral symbiont species. We have analyzed and compared thylakoid lipidomes (mono- and digalactosyldiacylglycerols (MGDG and DGDG), sulfoquinovosyldiacylglycerols (SQDG), and phosphatidylglycerols (PG)) of crude extracts from symbiotic reef-building coral Acropora sp., the hydrocoral Millepora platyphylla, and the octocoral Sinularia flexibilis. S. flexibilis crude extracts were characterized by a very high SQDG/PG ratio, a DGDG/MGDG ratio < 1, a lower degree of galactolipid unsaturation, a higher content of SQDG with polyunsaturated fatty acids, and a thinner thylakoid membrane which may be explained by the presence of thermosensitive dinoflagellates Cladocopium C3. In contrast, crude extracts of M. platyphylla and Acropora sp. exhibited the lipidome features of thermotolerant Symbiodiniaceae. M. platyphylla and Acropora sp. colonies contained Cladocopium C3u and Cladocopium C71/C71a symbionts, respectively, and their lipidome profiles showed features that indicate thermotolerance. We suggest that an association with symbionts that exhibit the thermotolerant thylakoid lipidome features, combined with a high Symbiodiniaceae diversity, may facilitate further acclimatization/adaptation of M. platyphylla and Acropora sp. holobionts in the South China Sea.

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Lipids of Indo-Pacific gorgonian corals are modified under the influence of microbial associations

Cited by 11 publications

References 98 publications

Betaine lipids of Symbiodiniaceae hosted by Indo‐Pacific corals

Betaine lipids of Symbiodiniaceae hosted by Indo‐Pacific corals

Crabs Eriocheir japonica and Paralithodes camtschaticus Are a Rich Source of Lipid Molecular Species with High Nutritional Value

Coral Holobionts Possess Distinct Lipid Profiles That May Be Shaped by Symbiodiniaceae Taxonomy

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