Germline-restricted chromosome of songbirds has different centromere compared to regular chromosomes [0.03%]
鸣鸟生殖细胞限制性染色体与普通染色体着丝粒不同
Jakub Rídl,Dmitrij Dedukh,Zuzana Halenková et al.
Jakub Rídl et al.
Centromeres are an important part of chromosomes which direct chromosome segregation during cell division. Their modifications can therefore explain the unusual mitotic and meiotic behaviour of certain chromosomes, such as the germline-rest...
Exploring evolutionary mechanisms of genomic divergence in marine intertidal limpets [0.03%]
探究潮间带海洋椎螺基因组分歧的进化机制
Paulina Carimán,Marie-Laure Guillemin,Emily C Giles et al.
Paulina Carimán et al.
Decades of research in population genetics have revealed that genetic divergence between populations and species is not uniformly distributed throughout the genome but rather exhibits a high degree of heterogeneity. Two main conceptual mode...
Both maternal and paternal genotypes modulate Wolbachia-induced cytoplasmic incompatibility in graham bean beetles [0.03%]
沃尔巴克氏体引起的格雷姆菜豆象种群细胞质不相容性的性别特异性和双向性及其与宿主基因型的关系研究
Yuko Numajiri,Natsuko I Kondo,Yukihiko Toquenaga et al.
Yuko Numajiri et al.
Cytoplasmic incompatibility (CI) is a phenomenon where embryonic development is disrupted-often leading to complete failure-when the female parent lacks the symbiont strain carried by the male parent. This mechanism, employed by maternally ...
Effects of mating system and adaptedness on the evolution of fitness and mtDNA copy number in mitonuclear mismatched C. elegans [0.03%]
交配方式和适应性对线粒体核匹配不适宜的秀丽隐杆线虫适合度及线粒体拷贝数进化的影响
Zachary P Dietz,Devshuvam Banerji,Jennifer A Sullins et al.
Zachary P Dietz et al.
Metabolic functioning in nearly all eukaryotes relies on molecular machinery dual-encoded by mitochondrial DNA (mtDNA) and nuclear DNA (nDNA) genomes. The two genomes have sustained an extraordinary degree of cooperation across evolutionary...
Impacts of temperature on recombination rate and meiotic success in thermotolerant and cold-tolerant yeast species [0.03%]
温度对耐热和耐冷酵母物种重组率和减数分裂成功率的影响
Jessica McNeill,Nathan Brandt,Enrique J Schwarzkopf et al.
Jessica McNeill et al.
Meiosis is required for the formation of gametes in all sexually reproducing species and the process is well conserved across the tree of life. However, meiosis is sensitive to a variety of external factors, which can impact chromosome pair...
Experimental test of the fitness effects of divergent marine-freshwater chromosomal inversions in stickleback under different salinity conditions [0.03%]
不同盐度条件下三刺鱼实验测试分化陆海染色体倒位的适合度效应
Juliana Rodríguez-Fuentes,Nicole Nesvadba,Verena Saladin et al.
Juliana Rodríguez-Fuentes et al.
Chromosomal inversions are a type of structural variant that have long interested evolutionary biologists because of their potential role in local adaptation and speciation. However, direct experimental evidence for the fitness consequences...
A proof-of-concept experimental-theoretical model to predict pesticide resistance evolution [0.03%]
预测农药抗性进化概念模型的实验理论模型
Luna Qingyang Li,Liisa Parts,Philip Madgwick et al.
Luna Qingyang Li et al.
Insecticide resistance poses a major challenge to sustainable agriculture, yet studying its evolution in laboratory settings is notoriously difficult due to challenges related to maintaining large populations of pest species. While theoreti...
Machine learning reveals complex genetics of fungal resistance in sorghum grain mold [0.03%]
机器学习揭示了高粱穗腐真菌抗性复杂遗传性的规律
Ezekiel Ahn,Louis K Prom,Sunchung Park et al.
Ezekiel Ahn et al.
Plant disease resistance is often a complex, polygenic trait, making its genetic dissection with traditional genome-wide association studies (GWAS) challenging. Grain mold in sorghum, a devastating disease caused by a fungal complex, exempl...
Margot Paris,Esra Durmaz Mitchell,Envel Kerdaffrec et al.
Margot Paris et al.
Despite many examples of balanced inversion polymorphisms, little is known about how they affect fitness-related traits. This knowledge gap hampers our understanding of how they are selectively maintained as protected polymorphisms. Here, w...
Differences in gene expression and genetic variation underlying preference-performance mismatches: insights from a specialized native herbivore on an invasive toxic plant [0.03%]
基于偏爱-性能不匹配的基因表达和遗传变异差异的研究——来自专门取食有毒入侵植物的本地植食昆虫的启示
Nitin Ravikanthachari,Carol L Boggs
Nitin Ravikanthachari
Specialist phytophagous insects have a narrow hostplant range for optimal development and survival. Mismatches between female oviposition preference and larval performance can lead to high fitness costs. Understanding the mechanistic basis ...