Abstract：
:The effects of inbreeding on sperm quantity and quality are among the most dramatic examples of inbreeding depression. The extent to which inbreeding depression results in decreased fertilization success of a male's sperm, however, remains largely unknown. This task is made more difficult by the fact that other factors, such as cryptic female choice, male sperm allocation and mating order, can also drive patterns of paternity. Here, we use artificial insemination to eliminate these extraneous sources of variation and to measure the effects of inbreeding on the competitiveness of a male's sperm. We simultaneously inseminated female guppies (Poecilia reticulata) with equal amounts of sperm from an outbred (f = 0) male and either a highly (f = 0.59) or a moderately inbred (f = 0.25) male. Highly inbred males sired significantly fewer offspring than outbred males, but share of paternity did not differ between moderately inbred and outbred males. These findings therefore confirm that severe inbreeding can impair the competitiveness of sperm, but suggest that in the focal population inbreeding at order of a brother-sister mating does not reduce a male's sperm competitiveness.
journal_name
J Evol Bioljournal_title
Journal of evolutionary biologyauthors
Zajitschek SR,Lindholm AK,Evans JP,Brooks RCdoi
10.1111/j.1420-9101.2009.01738.xsubject
Has Abstractpub_date
2009-06-01 00:00:00pages
1338-45issue
6eissn
1010-061Xissn
1420-9101pii
JEB1738journal_volume
22pub_type
杂志文章abstract：:We used a crossing experiment to investigate post-zygotic barriers that might limit introgression between a pair of closely-related, gynodioecious plant species--the widespread weed Silene vulgaris and the local Swedish endemic S. uniflora ssp. petraea. The study not only considered the effects of hybridization on con...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2008.01554.x
更新日期：2008-09-01 00:00:00
abstract：:Understanding factors involved in maintaining stable hybrid zones is important for predicting the ultimate fate of the interacting taxa, but the relative importance of mechanisms such as ecological selection and intrinsic reproductive isolation remains unclear. Most studies of reproductive isolation in hybrid zones ha...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13055
更新日期：2017-04-01 00:00:00
abstract：:The utility of traits involved in resource exploitation is a central criterion for the adaptive character of radiations. Here, we test for differentiation in morphology, jaw mechanics and nutrition among species and sexes of Lake Matano's sympatric 'roundfin' sailfin silversides. The three incipient fish species diffe...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2011.02357.x
更新日期：2011-11-01 00:00:00
abstract：:Vertebrates commonly use carotenoid-based traits as social signals. These can reliably advertise current nutritional status and health because carotenoids must be acquired through the diet and their allocation to ornaments is traded-off against other self-maintenance needs. We propose that the coloration more generall...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2009.01926.x
更新日期：2010-03-01 00:00:00
abstract：:The ecological opportunities associated with transitions across the marine-freshwater interface are regarded as an important catalyst of diversification in a range of aquatic taxa. Here, we examined the role of these major habitat transitions and trophic diversification in a radiation of Australasian fishes using a ne...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2012.02504.x
更新日期：2012-06-01 00:00:00
abstract：:Theoretical models of sperm competition predict how males should allocate sperm and seminal fluid components to ejaculates according to their mating role (dominant vs. subordinate). Here, we present a detailed analysis of ejaculate expenditure according to male roles in the bank vole (Myodes glareolus). Sperm competit...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2012.02511.x
更新日期：2012-06-01 00:00:00
abstract：:Telomere length is a biomarker of biological ageing and lifespan in various vertebrate taxa. Evidence is accumulating that telomeres shorten more rapidly when an individual is exposed to environmental stressors. Parasites are potent selective agents that can cause physiological stress directly or indirectly through th...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13744
更新日期：2020-11-23 00:00:00
abstract：:In an early challenge to an aspect of Darwin's theory of natural selection, Jackson Mivart contended that milk could not have evolved 'from a scarcely nutritious fluid from an accidentally hypertrophied cutaneous gland'. The evolutionary change from a gland secretion to milk involves an increase in calcium and protein...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2012.02509.x
更新日期：2012-07-01 00:00:00
abstract：:Seminal fluid proteins (SFPs) can trigger drastic changes in mating partners, mediating post-mating sexual selection and associated sexual conflict. Also, cross-species comparisons have demonstrated that SFPs evolve rapidly and hint that post-mating sexual selection drives their rapid evolution. In principle, this pat...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13683
更新日期：2020-10-01 00:00:00
abstract：:The evolutionary forces shaping within- and across-species variation in the investment in male and female sex function are still incompletely understood. Despite earlier suggestions that in plants the evolution or cosexuality vs. dioecy, as well as sex allocation among cosexuals, is affected by seed and pollen dispers...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2010.02057.x
更新日期：2010-09-01 00:00:00
abstract：:The late Pleistocene was a time of environmental change, culminating in an extinction event. Few fossil localities record a temporal series of carnivore fossil populations from this interesting interval as well as Rancho La Brea (RLB). We analysed mandibles of Smilodon fatalis from RLB using 2-D geometric morphometric...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.12340
更新日期：2014-04-01 00:00:00
abstract：:Although numerous studies have attempted to find single unifying mechanisms for generating Madagascar's unique flora and fauna, little consensus has been reached regarding the relative importance of climatic, geologic and ecological processes as catalysts of diversification of the region's unique biota. Rather, recent...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.12586
更新日期：2015-02-01 00:00:00
abstract：:Genetic diversity and spatial structure of populations are important for antagonistic coevolution. We investigated genetic variation and population structure of three closely related European ant species: the social parasite Harpagoxenus sublaevis and its two host species Leptothorax acervorum and Leptothorax muscorum...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2009.01863.x
更新日期：2009-12-01 00:00:00
abstract：:Reproductive division of labour is a defining feature of insect societies. Stingless bees (Meliponini) are an interesting exception among the highly eusocial insects in that workers of many species contribute significantly to the production of males. Since workers remain sterile in other species of this large tropical...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13377
更新日期：2018-12-01 00:00:00
abstract：:Assortative mating, an ubiquitous form of nonrandom mating, strongly impacts Darwinian fitness and can drive biological diversification. Despite its ecological and evolutionary importance, the behavioural processes underlying assortative mating are often unknown, and in particular, mechanisms not involving mate choice...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.12398
更新日期：2014-06-01 00:00:00
abstract：:The brood parasitic common cuckoo Cuculus canorus consists of gentes, which typically parasitize only a single host species whose eggs they often mimic. Where multiple cuckoo gentes co-exist in sympatry, we may expect variable but generally poorer mimicry because of host switches or inter-gens gene flow via males if t...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2010.01982.x
更新日期：2010-06-01 00:00:00
abstract：:Animals must allocate some proportion of their time to detecting predators. In birds and mammals, such anti-predator vigilance has been well studied, and we know that it may be influenced by a variety of intrinsic and extrinsic factors. Despite hundreds of studies focusing on vigilance and suggestions that there are i...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2010.01967.x
更新日期：2010-05-01 00:00:00
abstract：:Genetic diversity in animal immune systems is usually beneficial. In hybrid recombinants, this is less clear, as the immune system could also be impacted by genetic conflicts. In the European house mouse hybrid zone, the long-standing impression that hybrid mice are more highly parasitized and less fit than parentals ...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13578
更新日期：2019-12-13 00:00:00
abstract：:Many animals provide parental care to offspring. Parental sex-roles vary extensively across taxa, and such patterns are considered well documented. However, information on amphibians is lacking relative to other vertebrate groups. We combine natural history observations with functional and historical analyses to exami...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13059
更新日期：2017-05-01 00:00:00
abstract：:Sex chromosomes are expected to evolve suppressed recombination, which leads to degeneration of the Y and heteromorphism between the X and Y. Some sex chromosomes remain homomorphic, however, and the factors that prevent degeneration of the Y in these cases are not well understood. The homomorphic sex chromosomes of t...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2012.02591.x
更新日期：2012-10-01 00:00:00
abstract：:A recent model studies the evolution of cooperation on a network, and concludes with a result connecting the benefits and costs of interactions and the number of neighbours. Here, an inclusive fitness analysis is conducted of the only case solved analytically, of a cycle, and the identical result is obtained. This bri...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2007.01413.x
更新日期：2007-11-01 00:00:00
abstract：:It has been suggested that polyandry allows females to increase offspring genetic diversity and reduce the prevalence and susceptibility of their offspring to infectious diseases. We tested this hypothesis in wild-derived house mice (Mus musculus) by experimentally infecting the offspring from 15 single- and 15 multip...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.12854
更新日期：2016-06-01 00:00:00
abstract：:The recent invasion by self-replicating socially parasitic Cape honeybee workers, Apis mellifera capensis, of colonies of the neighbouring African subspecies Apis mellifera scutellata represents an opportunity to study evolution of intraspecific parasitism in real time. As honeybee workers compete pheromonally for rep...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2007.01303.x
更新日期：2007-05-01 00:00:00
abstract：:Maternal inheritance of mitochondrial DNA (mtDNA) was originally thought to prevent any response to selection on male phenotypic variation attributable to mtDNA, resulting in a male-biased mtDNA mutation load ("mother's curse"). However, the theory underpinning this claim implicitly assumes that a male's mtDNA has no ...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13561
更新日期：2020-02-01 00:00:00
abstract：:The expression of alternative reproductive tactics can be plastic and occur simultaneously depending on cues that vary spatially or temporally. For example, variation in resources and sexual selection intensity is expected to influence the pay-off of each tactic and shape the decision of which tactic to employ. Males ...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/jeb.13284
更新日期：2018-07-01 00:00:00
abstract：:Sexual selection can explain major micro- and macro-evolutionary patterns. Much of current theory predicts that the strength of sexual selection (i) is driven by the relative abundance of males and females prepared to mate (i.e. the operational sex ratio, OSR) and (ii) can be generally estimated by calculating intra-s...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章,评审
doi：10.1111/j.1420-9101.2009.01921.x
更新日期：2010-03-01 00:00:00
abstract：:Using supertree phylogenetic reconstructions, we investigate how livebearing and freshwater adaptations may have shaped evolutionary patterns in the Atherinomorpha, a large clade (approximately 1500 extant species) of ray-finned fishes. Based on maximum parsimony reconstructions, livebearing appears to have evolved at...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2005.01060.x
更新日期：2006-05-01 00:00:00
abstract：:The ability of plants to respond to natural enemies might depend on the availability of genetic variation for the optimal phenotypic expression of defence. Selfing can affect the distribution of genetic variability of plant fitness, resistance and tolerance to herbivores and pathogens. The hypothesis of inbreeding dep...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2010.02185.x
更新日期：2011-03-01 00:00:00
abstract：:One explanation for hybridization between species is the fitness benefits it occasionally confers to the hybridizing individuals. This explanation is possible in species that have evolved alternative male reproductive tactics: individuals with inferior tactics might be more prone to hybridization provided it increases...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2009.01870.x
更新日期：2009-12-01 00:00:00
abstract：:Induced defences are a typical case of phenotypic plasticity, involving benefits for 'plastic' phenotypes under environments with variable degree of stress. Defence induction, in turn, could be energetically expensive incurring costs on growth and reproduction. In this study, we investigated the genetic variation and ...
journal_title：Journal of evolutionary biology
pub_type： 杂志文章
doi：10.1111/j.1420-9101.2010.02112.x
更新日期：2010-11-01 00:00:00
