ライフサイエンスコーパス: sexual selection

1 success (a major component of postcopulatory sexual selection).

2 as well as a profoundly important aspect of sexual selection.

3 e size between the two mating types underlie sexual selection.

4 ow the female might exercise post-copulatory sexual selection.

5 tal to the formulation of Darwin's theory of sexual selection.

6 xity been embraced by theory and practice in sexual selection.

7 gest important roles for both ecological and sexual selection.

8 beit overlooked-modulator of the strength of sexual selection.

9 te being linked to inbreeding depression and sexual selection.

10 prime examples of the evolution of color by sexual selection.

11 conjunction with post-zygotic mechanisms of sexual selection.

12 tical models of mutation-order divergence by sexual selection.

13 vergence often drops with stronger Fisherian sexual selection.

14 ely targets for adaptive evolution driven by sexual selection.

15 d/or random genetic drift, but not universal sexual selection.

16 on offspring can decrease the potential for sexual selection.

17 rom diversifying (allopatric) postcopulatory sexual selection.

18 tive fitness, demonstrating NFDS mediated by sexual selection.

19 ed so many different times in the context of sexual selection.

20 insic influences can limit the potential for sexual selection.

21 pe provides an estimate of the potential for sexual selection.

22 ness variances that are the key variables of sexual selection.

23 information on climate-induced variation in sexual selection.

24 ups and is considered a pivotal component of sexual selection.

25 tion of increasing signal complexity through sexual selection.

26 We focus on 2 key questions in sexual selection.

27 romatism is a key proxy for the intensity of sexual selection.

28 lexity of song displays is largely driven by sexual selection.

29 ave plagued previous models of speciation by sexual selection.

30 ice tactics also influence the potential for sexual selection.

31 ntiation in orbital ring colour results from sexual selection.

32 competence and is a factor in postcopulatory sexual selection.

33 action represents an unappreciated force in sexual selection.

34 size, an indicator of sperm competition and sexual selection.

35 dry more precisely describes the strength of sexual selection.

36 comparison of eight commonly used indexes of sexual selection.

37 d was highly correlated with the strength of sexual selection.

38 for defense, a function presumably not under sexual selection.

39 accounting for such effects when quantifying sexual selection.

40 is central to predicting the consequences of sexual selection.

41 train, are recognized as classic examples of sexual selection.

42 lps to attract females, a classic example of sexual selection.

43 arative analysis to detect parasite-mediated sexual selection.

44 ay be more important than coding sequence in sexual selection.

45 ting the full range of sexual dimorphism and sexual selection.

46 s can influence the extent of postcopulatory sexual selection [5-7], but little is known of the cause

47 is work, Darwin fleshed out the mechanism of sexual selection, a hypothesis that he had proposed in T

48 Variation in sexual selection across a species range, especially acro

49 roxy measures reliably track the strength of sexual selection across biologically realistic scenarios

50 iably these measures predict the strength of sexual selection across natural systems, and most perfor

51 ascribed to the costs associated with strong sexual selection acting on the population.

52 nt selection (FDS), generated by natural and sexual selection acting on the same trait, maintains mim

53 l of individuals and by mate choice, but how sexual selection affects adaptation remains unclear.

54 The challenge now is to identify whether sexual selection alone or broader processes, such as soc

55 s may result from the combination of relaxed sexual selection and a recently reported genetic mechani

56 Hermaphroditism leads to reduced sexual selection and can result in the retention of dele

57 terns across time may weaken the strength of sexual selection and could maintain genetic variation un

58 ndry independently weakened some measures of sexual selection and crucially also impacted sexual sele

59 Thus, we provide evidence of a link between sexual selection and immune function: Antigenicity in fe

60 body size and shape seem to show evidence of sexual selection and indicate important information abou

61 will help to understand signal evolution by sexual selection and its role in the speciation process.

62 Sexual selection and mating systems have been considered

63 ications for survival, reproductive success, sexual selection and pathogen transmission of individual

64 ent, and behavior may subsequently influence sexual selection and phenotypic evolution.

65 nge of taxa, there is no association between sexual selection and rates of coding sequence evolution,

66 dence of adaptation at genes associated with sexual selection and reproduction.

67 use these species to test the links between sexual selection and sex-biased gene expression evolutio

68 catalysis, and suggest an important role for sexual selection and sexual conflict in genome evolution

69 from the genus Drosophila, is evident in the sexual selection and sexual conflict literature over the

70 rall, our data indicate that post-copulatory sexual selection and sexual conflict occur in Gulf pipef

71 rn affect key evolutionary processes such as sexual selection and sexual conflict.

72 read assumption that they are the product of sexual selection and sexual conflict.

73 over of sex bias across this clade driven by sexual selection and show it to be primarily the result

74 However, sexual selection and social competition can also promote

75 es (melanosomes) that play a central role in sexual selection and social competition.

76 clarify longstanding evolutionary puzzles in sexual selection and speciation.

77 text of reproduction, and could be a cue for sexual selection and species recognition.

78 hat initially experience similar natural and sexual selection and that divergent traits and preferenc

79 to play an important role in postcopulatory sexual selection and that investment in Sfp production i

80 tes are thought to play an important role in sexual selection and the evolution of mating strategies,

81 nity to investigate the relationship between sexual selection and the evolution of reproductive prote

82 lear understanding of the connection between sexual selection and transcriptional dimorphism, often t

83 unctional classes are targets of natural and sexual selection and whether the same genes are targets

84 findings are consistent with region-specific sexual selection and/or random genetic drift, but not un

85 Our findings cast the action of sexual selection (and selection in general) in a novel l

86 success (a major component of precopulatory sexual selection) and fertilization success (a major com

87 e of extrinsic dispersal barriers; partly by sexual selection; and partly by adaptive radiation in th

88 anoma formation augments this visual signal, sexual selection appears to be maintaining this oncogene

89 ovide a more mechanistic explanation for why sexual selection appears to drive early stages of specia

90 of the literature shows that key aspects of sexual selection are still plagued by confusion and disa

91 Besides, quantifications of sexual selection are usually done during a short time wi

92 the Bateman gradient and the opportunity for sexual selection--are widely used in empirical studies.

93 The role of sexual selection as a driver of speciation remains unres

94 underscore the importance of postcopulatory sexual selection as an agent of diversification.

95 strate that aposematic signals are shaped by sexual selection as well.

96 uish between conflict and classical modes of sexual selection, as this highlights difficulties associ

97 n the evolution of ornamental male traits by sexual selection assumes consistency in selection over t

98 aintained by a trade-off between natural and sexual selection at a single gene, relaxin-like receptor

99 t proteins suggests this pattern may reflect sexual selection at the molecular level.

100 ion intensity will likely replace the strong sexual selection at the northern range margin.

101 same loss-of-function allele can come under sexual selection because it avoids being targeted by the

102 derestimated the intensity and complexity of sexual selection because they used museum specimens alon

103 ltaneously weakened the overall intensity of sexual selection but increased the relative strength of

104 Bird song is attributed to sexual selection, but it remains unknown how the expecte

105 oral variation in female choice could dampen sexual selection, but scant information exists on the de

106 ating success to a male's net performance in sexual selection, but that most of this postcopulatory c

107 fect of polyandry on pre- and postcopulatory sexual selection by considering the case of male social

108 We conclude that precopulatory sexual selection by females favored the evolution of sui

109 of copying females is low, the potential for sexual selection can be higher than in the absence of fe

110 To test the hypothesis that postcopulatory sexual selection can generate reproductive isolation, we

111 t studies in evolutionary genetics show that sexual selection can have a profound influence on the ge

112 hic and evolutionary processes, we find that sexual selection can lead to both increases and decrease

113 , the observed patterns in traits related to sexual selection can lead to predictions regarding how s

114 A new study finds that sexual selection can limit adaptation by causing male-in

115 broadly, our results show that precopulatory sexual selection can play a role in the evolution of gen

116 Postcopulatory sexual selection can select for sperm allocation strateg

117 chromosomes, sensitivity of spermatogenesis, sexual selection) cannot fully account for these male vi

118 Under sexual selection, competition between (usually) males an

119 ess to females, their role in the process of sexual selection could also be important.

120 sheds light on the major role postcopulatory sexual selection could play in determining sperm size.

121 Finally, we discuss that sexual selection could promote adaptations in sperm ener

122 for sexual selection were poor predictors of sexual selection, despite their continuing popularity.

123 show that plumage dichromatism (a proxy for sexual selection) does not predict diversification rates

124 ourtship behavior has evolved in response to sexual selection driven by competition to obtain mates.

125 Sexual selection drives faster evolution in males.

126 Extensive research indicates that inter-sexual selection drives the evolution of complex vocal c

127 Postcopulatory sexual selection due to sperm competition and/or cryptic

128 lyandry as a potent and dynamic modulator of sexual selection episodes.

129 f a mating signal can evolve in concert when sexual selection favors phenotypic associations between

130 This investigation confirms that sexual selection favours the use of DeltaF as an acousti

131 sexes in a species should be similar unless sexual selection, fecundity selection, or resource parti

132 ale genitalia are often under postcopulatory sexual selection for characteristics that increase a mal

133 We evaluated sexual selection for coloration brightness in population

134 In high-polyandry groups, sexual selection for status was weakened and largely res

135 The negative effects of sexual selection found in field and other studies are us

136 We find that disruptive sexual selection generates two fitness peaks correspondi

137 are emerging as fundamental contributors to sexual selection given their role in post-mating reprodu

138 Our results show that male sexual selection gradients are consistently positive.

139 AMS to quantify univariate and multivariate sexual selection gradients on male morphological and beh

140 stem evolution that also includes anisogamy, sexual-selection gradients, parental investment, and oth

141 Our understanding of postcopulatory sexual selection has been constrained by an inability to

142 Elevated sexual selection has been predicted to increase the numb

143 tcopulatory fertilization success to overall sexual selection has not yet been measured in any specie

144 Sexual selection has resulted in sex-based size dimorphi

145 Sexual selection has resulted in some of the most captiv

146 The sexual selection hypothesis proposes that vocal learning

147 Natural and sexual selection impinge on these processes, yet our und

148 ation in phenotypes affecting postcopulatory sexual selection in a natural population of Drosophila m

149 affect the mating system and thereby modify sexual selection in a way that might affect recruitment.

150 about avian SFPs, despite extensive work on sexual selection in birds.

151 Therefore, sexual selection in black grouse operates primarily on m

152 of attractive females and suggest a role for sexual selection in explaining unconditional generosity.

153 However, the operation of sexual selection in females has still received relativel

154 range colour, implicated in other studies of sexual selection in guppies, did predict male reproducti

155 n laid the foundation for all modern work on sexual selection in his seminal book The Descent of Man,

156 mparing the maximum strengths of natural and sexual selection in humans that includes the effects of

157 y (female promiscuity) creates potential for sexual selection in males both before and after copulati

158 volving trait that is under both natural and sexual selection in many organisms.

159 d not preclude the potential for natural and sexual selection in our species.

160 How evolution in general and sexual selection in particular shape the somatosensory c

161 ce tests of the relative role of natural and sexual selection in processes such as speciation.

162 ation on offspring reduced the potential for sexual selection in pronghorn.

163 To assess the role of sexual selection in shaping these patterns, we assembled

164 the importance of viewing parasite-mediated sexual selection in the context of coevolution.

165 ve little understanding of parasite-mediated sexual selection in the context of reciprocal parasite e

166 es the still unresolved roles of natural and sexual selection in the evolution of male parental care.

167 n for elucidating the role of postcopulatory sexual selection in trait diversification and speciation

168 the strength of mate choice (or intensity of sexual selection) in each sex?

169 ion of species, supporting theory predicting sexual selection increases rates of speciation at macroe

170 sexual selection and crucially also impacted sexual selection indirectly by constraining mating assor

171 Our results suggest that sexual selection intensity increases toward both edges o

172 shape when considering variables related to sexual selection intensity, such as sexual dimorphism an

173 ructure, and shed new light on mechanisms of sexual selection involving intra- and intersex reproduct

174 Sexual selection is a concept that has probably been mis

175 Sexual selection is a cornerstone of evolutionary theory

176 Sexual selection is a fundamental evolutionary process b

177 Sexual selection is among the most powerful of all evolu

178 s role, as does a failure to understand what sexual selection is and why it was initially invoked.

179 ways less intuitive than natural selection, sexual selection is conceptually identical to it, and ev

180 If reproductive success under sexual selection is dependent on individual condition, w

181 Sexual selection is driven by competition for mates, and

182 Sexual selection is generally predicted to act more stro

183 A classic paradox in sexual selection is how sexual traits under strong direc

184 ecies have led to the common assumption that sexual selection is important in speciation, especially

185 ave coevolved across species, postcopulatory sexual selection is known to occur, and X-linked genes a

186 In particular, our results suggest that sexual selection is likely to favour individual differen

187 In Anopheles gambiae, a likely candidate for sexual selection is male 20-hydroxyecdysone (20E).

188 e and female phenotypes, and, in noting that sexual selection is nonubiquitous, Darwin was also first

189 We argue that the potential for sexual selection is not affected by random offspring mor

190 utations more quickly than populations where sexual selection is not operating.

191 Postcopulatory sexual selection is recognized as a key driver of reprod

192 ker preferences spread in this context until sexual selection is removed.

193 argument against parasites being involved in sexual selection is that they should evolve to become le

194 male-male aggression, which is important for sexual selection, is regulated by environment, experienc

195 the related ideas of geographic speciation, sexual selection, key innovations, key landscapes and ec

196 morphism, one of the most obvious results of sexual selection, largely requires a positive Bateman re

197 that mortality costs associated with intense sexual selection lead to shorter intrinsic lifespan.

198 Our results indicate rapid sexual selection leading to reproductive character displ

199 stic selection for colour, we also show that sexual selection leads to greater expansion of the non-r

200 In many cases, our model predicts that sexual selection leads to higher extinction probability

201 Speciation by sexual selection lies at the centre of debates about the

202 shaped by the dual evolutionary processes of sexual selection (mate choice) and natural selection (pr

203 llenges theories explaining the intensity of sexual selection, mating-system evolution and the fundam

204 ggest that deeper ecological perspectives on sexual selection may alter some of the fundamental assum

205 Existing work suggests that fluctuations in sexual selection may be extremely common, though work on

206 indexes to the actual strength of premating sexual selection, measured as the strength of selection

207 for the quantification and interpretation of sexual selection measures, an insight that applies to an

208 e traits is a fundamental prediction of many sexual selection models, but has largely defied testing

209 along latent trait axes tests predictions of sexual-selection models and allows correlation with spec

210 Here, we examine opportunities for sexual selection, natural selection, and the interplay b

211 gely shifted from documenting whether or not sexual selection occurs, to addressing more complex evol

212 e in nature in male swarms likely diminishes sexual selection of post-reproductive traits related to

213 nd other animals, too, could have evolved by sexual selection of the smelliest males through female c

214 ese results provide evidence for directional sexual selection on aposematic coloration and document s

215 Previous theoretical models of the effect of sexual selection on average individual fitness in a popu

216 quality and quantity renders post-copulatory sexual selection on ejaculates unlikely to treat male-ma

217 bilities are likely the result of natural or sexual selection on hybrids, since intrinsic isolation i

218 m after remating can generate postcopulatory sexual selection on male ejaculate traits.

219 lly decreases the intensity of precopulatory sexual selection on male mating success (Bateman gradien

220 Here we show that in lark buntings sexual selection on male traits varied dramatically acro

221 level polyandry to determine the strength of sexual selection on males.

222 s of variation and relaxation of natural and sexual selection on mating-related traits, and may ultim

223 are under consistent sexual selection, while sexual selection on morphological traits is stronger in

224 The effects of pure Fisherian sexual selection on species maintenance are thus much mo

225 Despite strong directional sexual selection on these phenotypes directly and signif

226 impose alternating, symmetrical patterns of sexual selection, one season on male ornaments, the foll

227 ause these millipedes lack eyes, there is no sexual selection or intraspecific signaling for colorati

228 intrasexual competition for access to mates (sexual selection) or other resources linked to reproduct

229 ith sex (e.g., a mating system that involves sexual selection, or a sexual diapausing stage that allo

230 tems have tended to find negative effects of sexual selection, or no effect.

231 ompensation in ZW systems, and suggests that sexual selection plays a major role in shaping sex chrom

232 s to demonstrate that phenotypic measures of sexual selection predict the proportion of male-biased b

233 Post-copulatory sexual selection (PSS), fuelled by female promiscuity, i

234 lations with histories of strong versus weak sexual selection purge mutation load and resist extincti

235 ' involve bursts of geographic speciation or sexual selection, rather than adaptive diversification;

236 t with a 'differential fusion' model wherein sexual selection reduces rates of fusion among lineages

237 icant fitness load; our findings reveal that sexual selection reduces this load, improving population

238 affects pre- and postcopulatory episodes of sexual selection remains little understood.

239 ge, one of the most potent selective forces, sexual selection, remains curiously unexplored.

240 The understanding of natural and sexual selection requires both field and laboratory stud

241 e made significant progress in some areas of sexual selection research, we still have much to accompl

242 The maximum intensity of precopulatory sexual selection s'max (the Jones index) outperformed al

243 ich could have a number of causes, including sexual selection, sexual antagonism, and relaxed selecti

244 sperm handling is critical for understanding sexual selection, sexual conflict, and the coevolution o

245 Just as sexual selection shapes extreme traits that increase mat

246 ection can lead to predictions regarding how sexual selection should change in response to climate ch

247 of natural selection, our results show that sexual selection should not be ignored in studies of apo

248 ations that experienced weak or non-existent sexual selection showed rapid fitness declines under inb

249 surprisingly relevant to the modern study of sexual selection, so students of evolutionary biology wo

250 ing other males have often been the focus of sexual selection studies, defensive traits (both morphol

251 udinal data in a lekking species with strong sexual selection - the black grouse Lyrurus tetrix - we

252 behavior have been successfully explained by sexual selection theory (e.g., mammals [1-5]; birds [6,

253 Results are discussed in terms of sexual selection theory and gender boundary violations.

254 alter some of the fundamental assumptions of sexual selection theory and rapidly lead to new discover

255 Recent claims that sexual selection theory is fundamentally flawed are simp

256 Classic sexual selection theory notes that because sperm are che

257 the rational choice models currently used in sexual selection theory.

258 ymy sexual conflict if it acts orthogonal to sexual selection, thereby placing limitations on the evo

259 it that can play important roles in mimicry, sexual selection, thermoregulation, and other adaptive p

260 itical in generating species recognition and sexual selection, this finding has implications for both

261 the evolution of elaborate male displays by sexual selection through female choice.

262 Our results reveal that sexual selection through male competition plays an integ

263 Sexual selection, through intra-male competition or fema

264 Natural and sexual selection thus work in concert to achieve local a

265 To answer his critics, Darwin turned to sexual selection to account for the extreme development

266 together, our results highlight the power of sexual selection to act on gene expression differences a

267 uld represent that available for natural and sexual selection to act upon.

268 ut its complexity has evolved mainly through sexual selection to attract mates and repel sexual rival

269 Darwin was first to recognize the power of sexual selection to change male and female phenotypes, a

270 these costs could be countered if sex allows sexual selection to clear the universal fitness constrai

271 c models to examine the ability of Fisherian sexual selection to contribute to lasting species differ

272 ntrogress faster than trait alleles, causing sexual selection to counter the effects of local adaptat

273 The contribution of sexual selection to diversification remains poorly under

274 as become a textbook example of the power of sexual selection to lead to extreme neurological and beh

275 Sex differences often call sexual selection to mind; however, a new damselfly study

276 eproductive success in females, allowing for sexual selection to operate in both sexes.

277 st tail length allow pre- and postcopulatory sexual selection to potentially act in concert against t

278 skill in song displays that are involved in sexual selection, toothed whales use learned signals in

279 Therefore, sexual selection typically results in male-biased sex di

280 links between temperature and indicators of sexual selection, using a cold-water pipefish as model.

281 ver a mechanism that can lead to directional sexual selection via mate-preference learning: a bias in

282 Moreover, the relative contribution of sexual selection vs. drift in shaping broad patterns of

283 sen time frame affects estimated measures of sexual selection, we recorded mating success and reprodu

284 ons that differed solely in the strengths of sexual selection, we revealed mutation load using inbree

285 the Bateman gradient and the opportunity for sexual selection were poor predictors of sexual selectio

286 tions that had previously experienced strong sexual selection were resilient to extinction and mainta

287 his difficulty by focusing on postcopulatory sexual selection, where readily quantifiable female repr

288 tems is particularly problematic in studying sexual selection, where variability among taxa is key to

289 e is growing recognition that postcopulatory sexual selection, which can drive rapid diversification

290 ntly longer-lived organisms, and that strong sexual selection, which is known to compromise survival

291 ion of male weaponry in animals is driven by sexual selection, which is predicted to reduce the genet

292 n populations will be followed by heightened sexual selection, which may exacerbate the problem of lo

293 ave focused predominantly on the strength of sexual selection, which offers an incomplete view of sel

294 that behavioural traits are under consistent sexual selection, while sexual selection on morphologica

295 on than assessing females, the potential for sexual selection will be low as more females copy the ma

296 predicts that populations undergoing strong sexual selection will more quickly differentiate because

297 e we consider the contributions of Darwin to sexual selection with a particular eye on how far we hav

298 resequencing data in the guppy, a model for sexual selection with many Y-linked colour traits.

299 Our results imply that sexual selection within a population can be highly varia

300 nathus scovelli, to test for post-copulatory sexual selection within broods and for trade-offs betwee