2020
DOI: 10.1111/ede.12348
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Maternal and larval niche construction interact to shape development, survival, and population divergence in the dung beetleOnthophagus taurus

Abstract: Through niche construction, organisms modify their environments in ways that can alter how selection acts on themselves and their offspring. However, the role of niche construction in shaping developmental and evolutionary trajectories, and its importance for population divergences and local adaptation, remains largely unclear. In this study, we manipulated both maternal and larval niche construction and measured the effects on fitness‐relevant traits in two rapidly diverging populations of the bull‐headed dun… Show more

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Cited by 11 publications
(12 citation statements)
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“…In regard to IGEs and heritability, research on domestic chickens suggests that IGEs could account for up to 87% of heritable variation in survival found in crossbred chickens [24]. For NC, recent experimental studies of maternal and larval NC in dung beetles, show robust influences on offspring traits, fitness and heritability [46][47][48].…”
Section: Discussionmentioning
confidence: 99%
“…In regard to IGEs and heritability, research on domestic chickens suggests that IGEs could account for up to 87% of heritable variation in survival found in crossbred chickens [24]. For NC, recent experimental studies of maternal and larval NC in dung beetles, show robust influences on offspring traits, fitness and heritability [46][47][48].…”
Section: Discussionmentioning
confidence: 99%
“…Alternative hypotheses to resource limitation that could affect body size and SSD differences between populations include environmental differences (Dury et al, 2020 ), differences in predation/parasitism (Servín‐Pastor et al, 2021 ), differences in gut microbiota due to differing dung resource (Winfrey & Sheldon, 2021 ), and the possible involvement of cryptic species. Due to the close geographical proximity of peninsular Malaysia and Singapore, most climatic variables such as rainfall and temperature do not significantly differ, with both countries subject to similar patterns of monsoon seasons.…”
Section: Discussionmentioning
confidence: 99%
“…Alternative hypotheses to resource limitation that could affect body size and SSD differences between populations include environmental differences (Dury et al, 2020) (Shafiei et al, 2001). If mothers from SG populations allocate more dung in the construction of male offspring brood balls than that of females, sex-biased differential maternal investment in offspring could be the driving proximate mechanism of male-biased SSD.…”
Section: Sexual Size Dimorphism (Ssd) Varied Among Populationsmentioning
confidence: 99%
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“…As the developing larva continually defecates, works its own excrement into the brood ball, and then re-eats the resulting mixture, the maternally inherited gut microbiome is spread throughout the brood ball, thereby increasing its ability to pre-digest macromolecules outside the larval gut, at least as assayed by in vitro studies [7,32]. Experimental withholding of these modifications results in prolonged development, smaller size and reduced secondary sexual trait expression (but see [33]), suggesting that these environmental modification aids in the extraction of nutrients from an otherwise recalcitrant diet and thus feeds back onto larval development [32,34]. The brood ball can thus be regarded as an extended phenotype [35], or as a product of maternal and larval niche construction [36].…”
Section: Introductionmentioning
confidence: 99%