Journal of Evolutionary Biology最新文献

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Continuous variation in the shell colour of the snail Cepaea nemoralis is associated with the colour locus of the supergene. 蜗牛 Cepaea nemoralis 贝壳颜色的连续变化与超级基因的颜色基因座有关。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-27 DOI: 10.1093/jeb/voae093
Mehrab Chowdhury, Margrethe Johansen, Angus Davison
{"title":"Continuous variation in the shell colour of the snail Cepaea nemoralis is associated with the colour locus of the supergene.","authors":"Mehrab Chowdhury, Margrethe Johansen, Angus Davison","doi":"10.1093/jeb/voae093","DOIUrl":"10.1093/jeb/voae093","url":null,"abstract":"<p><p>While the shell of the land snail Cepaea nemoralis is typically classed as yellow, pink, or brown, the reality is that colour variation is continuously distributed. To further understand the origin of the continuous variation, we used crosses of C. nemoralis to compare quantitative measures of the colour with the inferred genotype of the underlying supergene locus. We also used a recently developed linkage map to find quantitative trait loci that may influence colour. The results show that the colour locus of the supergene-at around 31.385 cM on linkage group 11-is involved in determining the quantitative chromatic differences that are perceptible to human vision. We also found some evidence that variation within colour classes may be due to allelic variation at or around the supergene. There are likely other unlinked loci involved in determining colour within classes, but confirmation will require greater statistical power. Although not investigated here, environmental factors, including diet, may also impact upon variation within colour types.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141767959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low evolutionary potential for blue-green egg colouration in a wild bird population. 野生鸟类种群中蓝绿色蛋的进化潜力较低。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-27 DOI: 10.1093/jeb/voae088
Stefania R D'Arpa, Diego Gil, Jaime Muriel, Raquel Monclús, Lorenzo Pérez-Rodríguez, Jesús Martinez-Padilla
{"title":"Low evolutionary potential for blue-green egg colouration in a wild bird population.","authors":"Stefania R D'Arpa, Diego Gil, Jaime Muriel, Raquel Monclús, Lorenzo Pérez-Rodríguez, Jesús Martinez-Padilla","doi":"10.1093/jeb/voae088","DOIUrl":"10.1093/jeb/voae088","url":null,"abstract":"<p><p>Exploring the evolutionary architecture of female sexual traits and their potential evolvability is important to understand their possible role as postmating sexual signals. Egg colouration has been proposed to be one of these postmating sexual signals, honestly advertising female quality in birds, especially in blue-green laying species. In this study, we used an animal model in a Bayesian framework to estimate the evolvability of multiple descriptors of blue-green egg colouration and egg size in a wild long-term monitored population of spotless starlings (Sturnus unicolor). Our results show low to moderate heritability (h2 = 0.31-0.44) for 3 egg colour descriptors (blue-green chroma, chroma, and lightness) and egg size. Using the coefficient of additive genetic variance (CVA) and the evolvability (IA) as proxies of evolutionary potential of all components of this trait, we found low values of CVA for all these variables, suggesting a small evolutionary potential of these phenotypic traits, contrasting to previous results reported in another blue-green egg laying species. Our results indicate a modest raw genetic material of this trait on which sexual selection can act upon and, therefore, a small probability for these traits to respond easily to selection.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141731589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microbial artists: the role of parasite microbiomes in explaining colour polymorphism among amphipods and potential link to host manipulation. 微生物艺术家:寄生虫微生物组在解释片脚类动物颜色多态性中的作用以及与宿主操纵的潜在联系。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-27 DOI: 10.1093/jeb/voae085
Célia Koellsch, Robert Poulin, Priscila M Salloum
{"title":"Microbial artists: the role of parasite microbiomes in explaining colour polymorphism among amphipods and potential link to host manipulation.","authors":"Célia Koellsch, Robert Poulin, Priscila M Salloum","doi":"10.1093/jeb/voae085","DOIUrl":"10.1093/jeb/voae085","url":null,"abstract":"<p><p>Parasite infections are increasingly reported to change the microbiome of the parasitized hosts, while parasites bring their own microbes to what can be a multi-dimensional interaction. For instance, a recent hypothesis suggests that the microbial communities harboured by parasites may play a role in the well-documented ability of many parasites to manipulate host phenotype, and explain why the degree to which host phenotype is altered varies among conspecific parasites. Here, we explored whether the microbiomes of both hosts and parasites are associated with variation in host manipulation by parasites. Using colour quantification methods applied to digital images, we investigated colour variation among uninfected Transorchestia serrulata amphipods, as well as amphipods infected with Plagiorhynchus allisonae acanthocephalans and with a dilepidid cestode. We then characterized the bacteriota of amphipod hosts and of their parasites, looking for correlations between host phenotype and the bacterial taxa associated with hosts and parasites. We found large variation in amphipod colours, and weak support for a direct impact of parasites on the colour of their hosts. Conversely, and most interestingly, the parasite's bacteriota was more strongly correlated with colour variation among their amphipod hosts, with potential impact of amphipod-associated bacteria as well. Some bacterial taxa found associated with amphipods and parasites may have the ability to synthesize pigments, and we propose they may interact with colour determination in the amphipods. This study provides correlational support for an association between the parasite's microbiome and the evolution of host manipulation by parasites and host-parasite interactions more generally.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141581422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolutionary insights of interferon lambda genes in tetrapods. 四足动物中λ干扰素基因的进化启示。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-27 DOI: 10.1093/jeb/voae094
Devika Gautam, Anil Sindhu, Ashutosh Vats, Shiveeli Rajput, Chanchal Rana, Sachinandan De
{"title":"Evolutionary insights of interferon lambda genes in tetrapods.","authors":"Devika Gautam, Anil Sindhu, Ashutosh Vats, Shiveeli Rajput, Chanchal Rana, Sachinandan De","doi":"10.1093/jeb/voae094","DOIUrl":"10.1093/jeb/voae094","url":null,"abstract":"<p><p>Type III interferon (IFN), also known as IFN-λ, is an innate antiviral protein. We retrieved the sequences of IFN-λ and their receptors from 42 tetrapod species and conducted a computational evolutionary analysis to understand the diversity of these genes. The copy number variation (CNV) of IFN-λ was determined through qPCR in Indian cattle and buffalo. The tetrapod species feature intron-containing type III IFN genes. Some reptiles and placental mammals have 2 IFN-λ loci, while marsupials, monotremes, and birds have a single IFN-λ locus. Some placental mammals and amphibians exhibit multiple IFN-λ genes, including both intron-less and intron-containing forms. Placental mammals typically possess 3-4 functional IFN-λ genes, some of them lack signal peptides. IFN-λ of these tetrapod species formed 3 major clades. Mammalian IFN-λ4 appears as an ancestral form, with syntenic conservation in most mammalian species. The intron-less IFN-λ1 and both type III IFN receptors have conserved synteny in tetrapod. Purifying selection was noted in their evolutionary analysis that plays a crucial role in minimizing genetic diversity and maintaining the integrity of biological function. This indicates that these proteins have successfully retained their biological function and indispensability, even in the presence of the type I IFNs. The expansion of IFN-λ genes in amphibians and camels have led to the evolution of multiple IFN-λ. The CNV can arise from gene duplication and conversion events. The qPCR-based absolute quantification revealed that IFN-λ3 and IFN-λ4 have more than 1 copy in buffalo (Murrah) and 6 cattle breeds (Sahiwal, Tharparkar, Kankrej, Red Sindhi, Jersey, and Holstein Friesian). Overall, these findings highlight the evolutionary diversity and functional significance of IFN-λ in tetrapod species.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141767960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sexually divergent selection, allometric constraints, and the evolution of sexual dimorphism in cichlids from Lake Tanganyika. 坦噶尼喀湖慈鲷的性别差异选择、异度约束和性二态进化。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-24 DOI: 10.1093/jeb/voae101
Masahito Tsuboi, Tetsumi Takahashi
{"title":"Sexually divergent selection, allometric constraints, and the evolution of sexual dimorphism in cichlids from Lake Tanganyika.","authors":"Masahito Tsuboi, Tetsumi Takahashi","doi":"10.1093/jeb/voae101","DOIUrl":"https://doi.org/10.1093/jeb/voae101","url":null,"abstract":"<p><p>The evolution of sexual dimorphism is widely acknowledged as manifestation of sex-specific genetic architecture. Although empirical studies suggested that sexual dimorphism evolves as a joint consequence of constraints arising from the genetic architecture and sexually divergent selection, it remains unclear whether and how these established microevolutionary processes scale up to the macroevolutionary patterns of sexual dimorphism among taxa. Here, we studied how sexual selection and parental care drive sexual dimorphism in cichlid fishes from Lake Tanganyika. We found that male-male competition, female choice, and maternal mouthbrooding are associated with sexual dimorphism in body length, body color, and head length, respectively, despite strong allometric relationships between body length and head length. Within-species (static) allometry of head length on body length evolved as sex-specific responses to mouthbrooding where females evolved higher intercepts while males evolved steeper slopes. Thus, selection to increase mouth size in mouthbrooders may have broken down and reorganized the pattern of allometric constraints that are inherently strong and concordant between sexes. Furthermore, sex-specific responses to mouthbrooding left a remarkably clear signature on the macroevolutionary pattern, resulting in a decoupling of co-evolution in parameters of static allometries observed exclusively within maternal mouthbrooders. Our study provides multiple lines of evidence that are consistent with the idea that macroevolutionary patterns of sexual dimorphism in Lake Tanganyika cichlids result from sexually divergent selection. Our approach illustrates that an examination of within-population phenotypic variance in the phylogenetic comparative framework may facilitate nuanced understandings of how macroevolutionary patterns are generated by underlying microevolutionary processes.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142047396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comparative study of body size evolution in moths: evidence of correlated evolution with feeding and phenology-related traits. 飞蛾体型进化的比较研究:飞蛾体型进化的比较研究:与进食和表型相关性状相关的进化证据
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-01 DOI: 10.1093/jeb/voae072
Stênio Ítalo Araújo Foerster, John T Clarke, Erki Õunap, Tiit Teder, Toomas Tammaru
{"title":"A comparative study of body size evolution in moths: evidence of correlated evolution with feeding and phenology-related traits.","authors":"Stênio Ítalo Araújo Foerster, John T Clarke, Erki Õunap, Tiit Teder, Toomas Tammaru","doi":"10.1093/jeb/voae072","DOIUrl":"10.1093/jeb/voae072","url":null,"abstract":"<p><p>Interspecific variation in body size is one of the most popular topics in comparative studies. Despite recent advances, little is known about the patterns and processes behind the evolution of body size in insects. Here, we used a robust data set comprising all geometrid moth species occurring in Northern Europe to examine the evolutionary associations involving body size and several life-history traits under an explicitly phylogenetic framework. We provided new insights into the interactive effects of life-history traits on body size and evidence of correlated evolution. We further established the sequence of trait evolution linking body size with the life-history traits correlated with it. We found that most (but not all) of the studied life-history traits, to some extent, influenced interspecific variation in body size, but interactive effects were uncommon. Both bi- and multivariate phylogenetic analyses indicated that larger species tend to be nocturnal flyers, overwinter in the larval stage, feed on the foliage of trees rather than herbs, and have a generalist feeding behaviour. We found evidence of correlated evolution involving body size with overwintering stage, host-plant growth form, and dietary specialization. The examination of evolutionary transitions within the correlated evolution models signalled that overwintering as larvae commonly preceded the evolution of large sizes, as did feeding on tree foliage and the generalist feeding behaviour. By showing that both body size and all life-history traits correlated with it evolve at very slow rates, we caution against uncritical attempts to propose causal explanations for respective associations based on contemporary ecological settings.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141285192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Life history changes associated with over 400 generations of artificial selection on body size in Drosophila. 与果蝇体型人工选择 400 多代有关的生活史变化。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-01 DOI: 10.1093/jeb/voae066
Andrew D Stewart, Calvin M Herrick, Trevor R Fitzgibbon, James M Wehner, Avigayil Lev, Patricia A Venti, Alison Pischedda
{"title":"Life history changes associated with over 400 generations of artificial selection on body size in Drosophila.","authors":"Andrew D Stewart, Calvin M Herrick, Trevor R Fitzgibbon, James M Wehner, Avigayil Lev, Patricia A Venti, Alison Pischedda","doi":"10.1093/jeb/voae066","DOIUrl":"10.1093/jeb/voae066","url":null,"abstract":"<p><p>Body size is a trait that shapes many aspects of a species' development and evolution. Larger body size is often beneficial in animals, but it can also be associated with life history costs in natural systems. Similarly, miniaturization, the evolution of extremely small adult body size, is found in every major animal group, yet carries its own life history trade-offs. Given that these effects can depend on an animal's environment and life stage and have mainly been studied in species that are already specialized for their size, the life history changes associated with evolutionary shifts in body size warrant additional investigation. Here, we used Drosophila melanogaster populations that had undergone over 400 generations of artificial selection on body size to investigate the changes in life history traits associated with the evolution of extremely large and extremely small body sizes. Populations selected for small body size experienced strong trade-offs in multiple life history traits, including reduced female fecundity and lower juvenile viability. Although we found positively correlated changes in egg size associated with selection for both large and small body size, after adjusting for female body size, females from populations selected for large size had the lowest relative investment per egg and females from populations selected for small size had the highest relative investment per egg. Taken together, our results suggest that egg size may be a key constraint on the evolution of body size in D. melanogaster, providing insight into the broader phenomenon of body size evolution in insects.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141176020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Do flower-colonizing microbes influence floral evolution? A test with fast-cycling Brassica. 花的定殖微生物会影响花的进化吗?用快速循环芸苔属植物进行测试
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-01 DOI: 10.1093/jeb/voae078
Sébastien Rivest, Jessica R K Forrest
{"title":"Do flower-colonizing microbes influence floral evolution? A test with fast-cycling Brassica.","authors":"Sébastien Rivest, Jessica R K Forrest","doi":"10.1093/jeb/voae078","DOIUrl":"10.1093/jeb/voae078","url":null,"abstract":"<p><p>Pollinators are thought to be the main drivers of floral evolution. Flowers are also colonized by abundant communities of microbes that can affect the interaction between plants and their pollinators. Very little is known, however, about how flower-colonizing microbes influence floral evolution. Here we performed a 6-generation experimental evolution study using fast-cycling Brassica rapa, in which we factorially manipulated the presence of pollinators and flower microbes to determine how pollinators and microbes interact in driving floral evolution. We measured the evolution of 6 morphological traits, as well as the plant mating system and flower attractiveness. Only one of the 6 traits (flower number) evolved in response to pollinators, while microbes did not drive the evolution of any trait, nor did they interact with pollinators in driving the evolution of morphological traits. Moreover, we did not find evidence that pollinators or microbes affected the evolution of flower attractiveness to pollinators. However, we found an interactive effect of pollinators and microbes on the evolution of autonomous selfing, a trait that is expected to evolve in response to pollinator limitations. Overall, we found only weak evidence that microbes mediate floral evolution. However, our ability to detect an interactive effect of pollinators and microbes might have been limited by weak pollinator-mediated selection in our experimental setting. Our results contrast with previous (similar) experimental evolution studies, highlighting the susceptibility of such experiments to drift and to experimental artefacts.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141433235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The neurodevelopmental genes alan shepard and Neuroglian contribute to female mate preference in African Drosophila melanogaster. 神经发育基因alan Shepard和Neuroglian有助于非洲黑腹果蝇的雌性交配偏好。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-01 DOI: 10.1093/jeb/voae074
Paula R Roy, Dean M Castillo
{"title":"The neurodevelopmental genes alan shepard and Neuroglian contribute to female mate preference in African Drosophila melanogaster.","authors":"Paula R Roy, Dean M Castillo","doi":"10.1093/jeb/voae074","DOIUrl":"10.1093/jeb/voae074","url":null,"abstract":"<p><p>Mate choice is a key trait that determines fitness for most sexually reproducing organisms, with females often being the choosy sex. Female preference often results in strong selection on male traits that can drive rapid divergence of traits and preferences between lineages, leading to reproductive isolation. Despite this fundamental property of female mate choice, very few loci have been identified that contribute to mate choice and reproductive isolation. We used a combination of population genetics, quantitative complementation tests, and behavioural assays to demonstrate that alan shepard and Neuroglian contribute to female mate choice, and could contribute to partial reproductive isolation between populations of Drosophila melanogaster. Our study is among the first to identify genes that contribute to female mate preference in this historically important system, where female preference is an active premating barrier to reproduction. The identification of loci that are primarily known for their roles in neurodevelopment provides intriguing questions of how female mate preference evolves in populations via changes in sensory system and higher learning brain centres.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11292574/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141428184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling suggests Wolbachia-induced cytoplasmic incompatibility in oak gall wasps with cyclical parthenogenesis. 建模表明,沃尔巴奇亚诱导的橡树五倍子蜂细胞质不相容,并伴有周期性孤雌生殖。
IF 2.1 3区 生物学
Journal of Evolutionary Biology Pub Date : 2024-08-01 DOI: 10.1093/jeb/voae077
Melanie Taprogge, Sonja Grath
{"title":"Modelling suggests Wolbachia-induced cytoplasmic incompatibility in oak gall wasps with cyclical parthenogenesis.","authors":"Melanie Taprogge, Sonja Grath","doi":"10.1093/jeb/voae077","DOIUrl":"10.1093/jeb/voae077","url":null,"abstract":"<p><p>Oak gall wasps typically exhibit a life cycle with one sexual and one asexual generation each year. These wasps can carry various endosymbionts, one of which is the maternally inherited bacterium Wolbachia that can induce several reproductive manipulations on its host. Cytoplasmic incompatibility (CI) has been described as the most prominent of these manipulations. CI leads to embryonic mortality in the hosts' offspring when infected males mate with either uninfected females or with females that harbour different Wolbachia strains. It has been hypothesized that Wolbachia can induce CI in oak gall wasps. To address this hypothesis, we derived a mathematical model to investigate the spread of a bacterial infection in naive populations and to determine the plausibility of CI occurrence. To validate our model, we used published data from Wolbachia-infected Belonocnema kinseyi populations in two approaches. Our first approach uses measurements of infection frequencies and maternal transmission in the sexual generation. For the second approach, we extended the model to compare predictions to estimates of mtDNA-haplotypes, which, like Wolbachia, are maternally inherited, and can therefore be associated with the infection. Both approaches indicate that CI is present in these populations. Our model can be generalized to investigate the occurrence of CI not only for oak gall wasps but also for other species.</p>","PeriodicalId":50198,"journal":{"name":"Journal of Evolutionary Biology","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141312153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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