Luteoviruses affected energy reserves and fatty acid composition of their aphid vectors
Abstract Luteoviruses are plant‐infecting RNA viruses that are transmitted by aphids in a persistent circulative mode. Luteoviruses have been shown to positively influence their aphid vectors fitness. To find out the physiological responses of aphid vectors to luteoviruses, fatty acid (FA) composition and energy components (EC) of aphid vectors including pea aphid ( Acyrthosiphon pisum Harris), black bean aphid ( Aphis fabae Scopoli) and bird cherry‐oat aphid ( Rhopalosiphum padi L.) were evaluated in response to Pea enation mosaic virus 1(PEMV1), Bean leafroll virus(BLRV) and Barley yellow dwarf virus‐PAV(BYDV‐PAV), respectively. Our results showed that the number and the proportion of FA of total lipid are altered in aphid vectors in response to the luteoviruses. Compared to non‐viruliferous (NV) aphids, BLRV and PEMV1 elevated the amount of myristic acid (1.13 and 1.03‐fold increase) in A. fabae and A. pisum, respectively. V R. padi individuals exhibited a 1.11‐fold increase in palmitic acid content compared to the NV individuals. In contrast, other V aphids showed a reduced proportion of FA in response to the viruses. These changes in FA profile enhanced the ratio of saturated to unsaturated FA in V aphids (4.09‐fold increase). BLRV decreased protein and lipid contents in its aphid vector, A. fabae, while carbohydrate content was found to increase in V R. padi and A. pisum. Thus, our results demonstrate that luteoviruses change the content of some FA and EC in their aphid vectors highlighting a specific interaction among virus species, plant host and aphid vector..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:169 |
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| Enthalten in: |
Journal of Phytopathology - 169(2021), 6, Seite 376-386 |
| Beteiligte Personen: |
Ghodoum Parizipour, Mohamad Hamed [VerfasserIn] |
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| BKL: |
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| Anmerkungen: |
Copyright © 2021 Blackwell Verlag GmbH |
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| Umfang: |
11 |
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| doi: |
10.1111/jph.12993 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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WLY009377018 |
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| 520 | |a Abstract Luteoviruses are plant‐infecting RNA viruses that are transmitted by aphids in a persistent circulative mode. Luteoviruses have been shown to positively influence their aphid vectors fitness. To find out the physiological responses of aphid vectors to luteoviruses, fatty acid (FA) composition and energy components (EC) of aphid vectors including pea aphid ( Acyrthosiphon pisum Harris), black bean aphid ( Aphis fabae Scopoli) and bird cherry‐oat aphid ( Rhopalosiphum padi L.) were evaluated in response to Pea enation mosaic virus 1(PEMV1), Bean leafroll virus(BLRV) and Barley yellow dwarf virus‐PAV(BYDV‐PAV), respectively. Our results showed that the number and the proportion of FA of total lipid are altered in aphid vectors in response to the luteoviruses. Compared to non‐viruliferous (NV) aphids, BLRV and PEMV1 elevated the amount of myristic acid (1.13 and 1.03‐fold increase) in A. fabae and A. pisum, respectively. V R. padi individuals exhibited a 1.11‐fold increase in palmitic acid content compared to the NV individuals. In contrast, other V aphids showed a reduced proportion of FA in response to the viruses. These changes in FA profile enhanced the ratio of saturated to unsaturated FA in V aphids (4.09‐fold increase). BLRV decreased protein and lipid contents in its aphid vector, A. fabae, while carbohydrate content was found to increase in V R. padi and A. pisum. Thus, our results demonstrate that luteoviruses change the content of some FA and EC in their aphid vectors highlighting a specific interaction among virus species, plant host and aphid vector. | ||
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