Male Effects on Fecundity in Drosophila melanogaster

Hoffmann, Ary A.; Harshman, Lawrence G.

doi:10.2307/2408658

Cited by 12 publications

(8 citation statements)

References 17 publications

(22 reference statements)

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“…In any case, the presence of an apparent paternal effect implies that one or more components of a sire's ejaculate (or the sire's behaviour) somehow influence the fecundity of his offspring. Male Drosophila influence the fecundity of their mates (Markow & Ankney, 1984;Markow, 1988;Partridge et a!., 1986;Pitnick, 1991; see also Hoffmann & Harshman, 1985), and the developmental temperature of a male influences the longevity of its mate (Cohet & David, 1976). However, to our knowledge, any potential cross-generational effect of a male on the fecundity of his offspring (rather than of his mate) has not previously been documented.…”

Section: Discussionmentioning

confidence: 99%

“…A given female's fecundity can be influenced by her genetics (Robertson, 1957), body size (Robertson, 1957), age (David, 1988) and also by her mate or by male effects (Markow & Ankney, 1984;Hoffmann & Harshman, 1985;Partridge et a!., 1986;Pitnick, 1991). Fecundity is also strongly influenced by environmental factors such as crowding and temperature (Robertson & Sang, 1944;David et al, 1983).…”

Section: Introductionmentioning

confidence: 99%

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Within- and between-generation effects of temperature on early fecundity of Drosophila melanogaster

et al. 1995

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We used a repeated-measures, four-factor experimental design to determine how the fecundity of Drosophila melanogaster during the first 5 days of adult life was influenced by paternal, maternal, developmental and laying temperature, with two different temperature levels (18°C vs. 25°C) per factor. Laying temperature had by far the largest effect on fecundity and accounted for 79 per cent of the variance in overall fecundity: flies laying at 25°C began laying eggs about a day earlier and had much higher daily fecundities than did those laying at 18°C. Developmental temperature had no significant effect either on overall fecundity or on the pattern of daily egg production. Dam temperature had a slight effect on the pattern of daily egg production, but not on overall fecundity. In contrast, sire temperature slightly influenced both overall fecundity and the pattern of daily egg production. Our results demonstrate that early fecundity is extraordinarily sensitive to laying temperature (360 per cent increase if laying at 25°C vs. at 18°C), but is relatively well buffered against developmental and cross-generational effects (maximum effect only 7 per cent, for sire temperature).

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Within- and between-generation effects of temperature on early fecundity of Drosophila melanogaster

et al. 1995

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“…Female adult fitness was measured as the number of eggs produced over a fixed period of time. This performance proxy is expected to correlate closely with other fitness measures, such as the total number of offspring [38,39].…”

Section: Female Fitness Assaymentioning

confidence: 99%

Sex-specific transcriptomic responses to changes in the nutritional environment

Camus

Piper

Reuter

2019

Preprint

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23Males and females typically pursue divergent reproductive strategies and accordingly require 24 different dietary compositions to maximise their fitness. Here we move from identifying sex-25 specific optimal diets to understanding the molecular mechanisms that underlie male and 26 female responses to dietary variation. We examine male and female gene expression on male-27 optimal (carbohydrate-rich) and female-optimal (protein-rich) diets. We find that the sexes 28 share a large core of metabolic genes that are concordantly regulated in response to dietary 29 composition. However, we also observe smaller sets of genes with divergent and opposing 30 regulation, most notably in reproductive genes which are over-expressed on each sex's 31 optimal diet. Our results suggest that nutrient sensing output emanating from a shared 32 metabolic machinery are reversed in males and females, leading to opposing diet-dependent 33 regulation of reproduction in males and females. Further analysis and experiments suggest 34 that this reverse regulation occurs within the IIS/TOR network. 35 36 [3]. 46Studies in insect species [3][4][5][6][7] have shown that the two sexes require different diets to 47 maximise fitness. Female fitness is typically maximised on a high concentration of protein, 48 which fulfils the demands of producing and provisioning eggs. Males, in contrast, achieve 49 optimal fitness with a diet consisting of more carbohydrate, which can fuel activities such as 50 locating and attracting mates. Work on nutritional choices has shown that individuals tailor 51 their diet in line with their physiological needs. In insects, females overall prefer diets with 52 higher protein content, whereas males chose a more carbohydrate-rich diet [8, 9]. These 53 choices are further adapted to reflect the individual's current condition and reproductive 54 investment [9, 10]. For example, Camus et al. [11] found that the female preference for 55 protein in fruit flies was significantly higher in mated females (who require resources to 56 produce eggs) than virgins, while the preferences of males (who start producing sperm before 57 reaching sexual maturity) did not significantly differ between mated and virgin flies. 58But individuals not only choose diets to suit their needs where possible, they also adapt 59 their physiology and reproductive investment in response to the quality and quantity of 60 nutrition available. This has been studied extensively using experiments that either alter the 61 macronutrients composition (carbohydrates vs. protein) of the diet while keeping the overall 62 caloric intent constant, or by manipulating the overall nutrient content of the food-dietary 63 restriction (DR). These studies have shown that a wide range of life history traits respond to 64 changes in both the composition of the food [7, 12, 13] and the quantity of nutrients supplied 65 [14][15][16]. For example, DR typically causes an extension of lifespan at the cost of reduced 66reproduction [17], and a similar response can be triggered ...

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“…Females use a wide range of cues in choosing oviposition sites. Interspecific differences in oviposition site have been demonstrated to involve factors such as ambient light (Wogaman & Seiger 1983), host chemistry (Richmond & Gerking 1979;Lofdahl 1985;Amlou, Moreteau & David 1998;Fanara & Hasson 2001), host microbial composition (Hoffmann & Harshman 1985;Oakeshotte, Vacek & Anderson 1989), host texture (David 1970;Rockwell & Grossfield 1978;Fogleman, Hackbarth & Heed 1981;Chess & Ringo 1985), substrate temperature (Schnebel & Grossfield 1986a,b;Fogleman 1979) and presence or absence of larvae (Del Solar & Palomino 1966;Chess & Ringo 1985). Jaenike (1985Jaenike ( , 1990 proposed oviposition as consisting of two phases: settling and actual oviposition.…”

Section: O V I P O S I T I O Nmentioning

confidence: 99%

Reproductive ecology of Drosophila

2008

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Summary 1.Species of the genus Drosophila reproduce in a wide range of different resources, including fruits, sap, flowers, mushrooms and cacti. Drosophila species and their resources also exhibit considerable variability in geographic distribution. 2. Habitat and resource differences pose enormous challenges for Drosophila species. Host chemistry may include highly toxic compounds and breeding sites may be characterized by extreme abiotic conditions such as high and/or low temperature and humidity. 3. Drosophila reproductive biology, in terms of morphology, physiology, and behaviour, is as variable among Drosophila species as is their resource use. In some species, adults are ready to reproduce upon emergence, whereas one sex or the other in other species may require weeks to become sexually mature. 4. Already a robust system for transmission and population genetic studies, the sequencing of the genomes of 12 diverse Drosophila species now brings the power of genomics to investigators wishing to understand the functional aspects of Drosophila ecology

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Male Effects on Fecundity in Drosophila melanogaster

Cited by 12 publications

References 17 publications

Within- and between-generation effects of temperature on early fecundity of Drosophila melanogaster

Within- and between-generation effects of temperature on early fecundity of Drosophila melanogaster

Sex-specific transcriptomic responses to changes in the nutritional environment

Reproductive ecology of Drosophila

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