2019
DOI: 10.3390/insects10090260
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The Effects of Different Diets and Transgenerational Stress on Acyrthosiphon pisum Development

Abstract: Despite the fact that sap-feeding hemipterans are major agricultural pests, little is known about the pea aphid’s (Acyrthosiphon pisum) nymphal development, compared to other insect models. Given our limited understanding of A. pisum nymphal development and variability in the naming/timing of its developmental events between different environmental conditions and studies, here, we address developmental knowledge gaps by elucidating how diet impacts A. pisum nymphal development for the LSR1 strain when it devel… Show more

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Cited by 6 publications
(8 citation statements)
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“…In contrast, other patterns appear to differ between the two studies, for example, while Simonet et al (2016) found that bacteriocytes significantly decreased in size in adults between day 16 and day 23, we did not observe a decrease in bacteriocyte cell size ( Figure 6B ). We reason that this difference between the two studies either reflects natural variation in the host and symbiont genotypes of aphid lines LL01 and LSR1, or could be attributed to other variables like differences in nutrition ( Pers and Hansen, 2019 ). In addition to the work by Pers and Hansen demonstrating that Buchnera genome copy varies based on host stress, it has previously been shown that different A. pisum lines can have dramatically different Buchnera titers at any given developmental stage, and different patterns of Buchnera population growth through aphid life ( Vogel and Moran, 2013 ; Chong and Moran, 2018 ).…”
Section: Discussionmentioning
confidence: 94%
“…In contrast, other patterns appear to differ between the two studies, for example, while Simonet et al (2016) found that bacteriocytes significantly decreased in size in adults between day 16 and day 23, we did not observe a decrease in bacteriocyte cell size ( Figure 6B ). We reason that this difference between the two studies either reflects natural variation in the host and symbiont genotypes of aphid lines LL01 and LSR1, or could be attributed to other variables like differences in nutrition ( Pers and Hansen, 2019 ). In addition to the work by Pers and Hansen demonstrating that Buchnera genome copy varies based on host stress, it has previously been shown that different A. pisum lines can have dramatically different Buchnera titers at any given developmental stage, and different patterns of Buchnera population growth through aphid life ( Vogel and Moran, 2013 ; Chong and Moran, 2018 ).…”
Section: Discussionmentioning
confidence: 94%
“…In turn, it is hard to dissect whether aphid gene expression differences that were observed at uniform 24 h/48 h time intervals for both treatments were due to diet, developmental differences, or both. For example, recently, it was observed that pea aphid growth rates vary dramatically when fed on different nutritional diets ( Pers and Hansen 2019 ), further suggesting that studies are still needed that compare different diet treatments and the same lifestages. In another aphid transcriptome study, which focused on the embryonic lifestage and the first instar bacteriocyte, Rabatel et al (2013) observed that the concentration of tyrosine increased dramatically throughout A. pisum embryonic development compared to other free amino acids, and then decreased rapidly within several hours of the early to late 1st instar lifestage when feeding on a plant diet (fava).…”
Section: Discussionmentioning
confidence: 99%
“…Asexual clonal populations of the pea aphid, A. pisum (LSR1 strain), were reared on the 4–6 whorl stage of Vicia faba plants at 20°C with a 16:8-h light-dark cycle in Intellus Ultra controller Percival incubators (Percival Scientific, Inc., Perry, IA, USA) at conditions described in Pers and Hansen (2019) . Three independent clonal sub-lines (Fava1, Fava2, and Fava3) were derived from a single female and then isolated, reared, and maintained for over 150 generations under these conditions.…”
Section: Methodsmentioning
confidence: 99%
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