Effect of low stressful temperature on genetic variation of five quantitative traits in Drosophila melanogaster

Bubliy, Oleg A.; Loeschcke, Volker

doi:10.1038/sj.hdy.6800104

Cited by 53 publications

(76 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Previous studies have detected similar patterns, finding that environmental stress reduces additive genetic variance (Bubliy & Loeschcke, 2002; Galletly et al., 2007) and increases nonadditive genetic variance (Blows & Sokolowski, 1995; Jinks, Jean, & Pooni, 1973). However, other studies have found stress to have the opposite effect, or little effect at all (Hoffmann & Parsons, 1991; Pakkasmaa, Merila, & O'Hara, 2003).…”

Section: Discussionsupporting

confidence: 63%

The other 96%: Can neglected sources of fitness variation offer new insights into adaptation to global change?

Chirgwin

Marshall

Sgrò

et al. 2016

Evolutionary Applications

View full text Add to dashboard Cite

Mounting research considers whether populations may adapt to global change based on additive genetic variance in fitness. Yet selection acts on phenotypes, not additive genetic variance alone, meaning that persistence and evolutionary potential in the near term, at least, may be influenced by other sources of fitness variation, including nonadditive genetic and maternal environmental effects. The fitness consequences of these effects, and their environmental sensitivity, are largely unknown. Here, applying a quantitative genetic breeding design to an ecologically important marine tubeworm, we examined nonadditive genetic and maternal environmental effects on fitness (larval survival) across three thermal environments. We found that these effects are nontrivial and environment dependent, explaining at least 44% of all parentally derived effects on survival at any temperature and 96% of parental effects at the most stressful temperature. Unlike maternal environmental effects, which manifested at the latter temperature only, nonadditive genetic effects were consistently significant and covaried positively across temperatures (i.e., parental combinations that enhanced survival at one temperature also enhanced survival at elevated temperatures). Thus, while nonadditive genetic and maternal environmental effects have long been neglected because their evolutionary consequences are complex, unpredictable, or seen as transient, we argue that they warrant further attention in a rapidly warming world.

show abstract

Section: Discussionsupporting

confidence: 63%

The other 96%: Can neglected sources of fitness variation offer new insights into adaptation to global change?

Chirgwin

Marshall

Sgrò

et al. 2016

Evolutionary Applications

View full text Add to dashboard Cite

show abstract

“…Weather fronts may not only alter an organism's performance during the front itself, but also induce carry-over effects that persist even after weather returns to normal. Surprisingly little is known about the impact of such thermal transients on the physiology and life history of ectotherms, except in regards to short-term exposure to extreme temperatures (Bubliy and Loeschcke, 2001;David et al, 2003;Gibert et al, 2001;Hercus et al, 2003;Krebs and Loeschcke, 1994a;Krebs and Loeschcke, 1994b;Lee et al, 1987;Maynard Smith, 1958;Rohmer et al, 2004;Sisodia and Singh, 2006;Zani et al, 2005a;Zani et al, 2005b).…”

Section: Introductionmentioning

confidence: 99%

Life history consequences of temperature transients inDrosophila melanogaster

Dillon

Cahn

Huey

2007

Journal of Experimental Biology

View full text Add to dashboard Cite

SUMMARY The physiological and life history consequences of chronic temperatures are well studied in ectotherms. However, little is known about the consequences of short-term exposure to unusually high or low temperatures, as would occur during a weather front. What are the immediate life-history effects of such thermal transients? Can ectotherms recover quickly or do they suffer carry-over effects that persist after weather returns to normal? We measured the impact of thermal transients on egg and progeny production of Drosophila melanogaster Meigen from Washington State. We reared flies at 25°C and then transferred 3- to 5-day old adults to one of three transient treatments (1 or 3 days at 18°C, 1 day at 29°C) before returning them to 25°C. We monitored daily egg production and egg-to-adult viability before (as a control), during, and after the transient as well as fecundity and viability of flies held at constant 18°, 25° and 29°C. This population appears particularly heat tolerant as neither constant nor transient exposure to 29°C (usually a stressful temperature for this species) affected female fecundity or the viability of her progeny. However, a 1- or 3-day exposure to 18°C reduced female fecundity by 75–90% relative to controls, and eggs laid during the 3-day exposure had greatly reduced viability. When returned to 25°C after transient exposure to 18°C, females immediately matched the fecundity and viability of females maintained constantly at 25°C. Therefore, these flies do not suffer negative carry-over effects from these moderate thermal transients. Surprisingly, fitness (intrinsic rate of population growth) was not depressed by transient temperature exposure. However, the severity and especially the timing of the transient will probably determine the likelihood of carry-over effects as well as its effect on fitness.

show abstract

“…Traditionally, thermal reaction norms have been constructed by raising closely related individuals over a range of constant temperatures (see Bubily and Loeschcke, 2002;Olsson and Uller, 2002) (reviewed by Scheiner, 2002). By modelling the effect of temperature on physiological rates, one can arrive at a mathematical function that enables prediction of phenotypes in variable environments.…”

Section: Introductionmentioning

confidence: 99%

Predicting the physiological performance of ectotherms in fluctuating thermal environments

Niehaus

Angilletta

Sears

et al. 2012

Journal of Experimental Biology

222

206

View full text Add to dashboard Cite

SUMMARYPhysiological ecologists have long sought to understand the plasticity of organisms in environments that vary widely among years, seasons and even hours. This is now even more important because human-induced climate change is predicted to affect both the mean and variability of the thermal environment. Although environmental change occurs ubiquitously, relatively few researchers have studied the effects of fluctuating environments on the performance of developing organisms. Even fewer have tried to validate a framework for predicting performance in fluctuating environments. Here, we determined whether reaction norms based on performance at constant temperatures (18, 22, 26, 30 and 34°C) could be used to predict embryonic and larval performance of anurans at fluctuating temperatures (18-28°C and 18-34°C). Based on existing theory, we generated hypotheses about the effects of stress and acclimation on the predictability of performance in variable environments. Our empirical models poorly predicted the performance of striped marsh frogs (Limnodynastes peronii) at fluctuating temperatures, suggesting that extrapolation from studies conducted under artificial thermal conditions would lead to erroneous conclusions. During the majority of ontogenetic stages, growth and development in variable environments proceeded more rapidly than expected, suggesting that acute exposures to extreme temperatures enable greater performance than do chronic exposures. Consistent with theory, we predicted performance more accurately for the less variable thermal environment. Our results underscore the need to measure physiological performance under naturalistic thermal conditions when testing hypotheses about thermal plasticity or when parameterizing models of life-history evolution. Supplementary material available online at

show abstract

Effect of low stressful temperature on genetic variation of five quantitative traits in Drosophila melanogaster

Cited by 53 publications

References 19 publications

The other 96%: Can neglected sources of fitness variation offer new insights into adaptation to global change?

The other 96%: Can neglected sources of fitness variation offer new insights into adaptation to global change?

Life history consequences of temperature transients inDrosophila melanogaster

Predicting the physiological performance of ectotherms in fluctuating thermal environments

Contact Info

Product

Resources

About