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Katherine L. Helbig Robert J. Lauerer Jacqueline C. Bahr Ivana A. Souza Candace T. Myers Betül Uysal Niklas Schwarz Maria A. Gandini Sun Huang Boris Keren Cyril Mignot Alexandra Afenjar Thierry Billette de Villemeur Delphine Héron Caroline Nava Stéphanie Valence Julien Buratti Christina R. Fagerberg Heather C. Mefford 《American journal of human genetics》2019,104(3):562
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Boris R. Krasnov Georgy S. Shenbrot Luther van der Mescht Elizabeth M. Warburton Irina S. Khokhlova 《Ecography》2019,42(5):1000-1011
We studied patterns of phylogenetic and compositional diversity of fleas parasitic on small mammals and asked whether these patterns are affected by environmental variation or evolutionary/historical processes. We considered environmental variation via both off‐host (air temperature, precipitation, the amount of green vegetation, latitude) and host‐associated (phylogenetic and species composition) environments. The indicators of evolutionary/historical processes were phylogenetic and compositional uniqueness estimated via phylogenetic or compositional, respectively, β‐diversity of either fleas or hosts. We found that phylogenetic uniqueness of flea assemblages was the main predictor of their phylogenetic diversity in all realms. In addition, host phylogenetic diversity and uniqueness played also some role in the Palearctic, whereas the effect of the off‐host environment was either extremely weak or absent. Compositional diversity of fleas was consistently affected by compositional diversity of hosts in all realms except the Neotropics. The effect of the off‐host environment on compositional flea diversity was substantial in all realms except the Palearctic. No effect of latitude on either metric of flea diversity was found. We conclude that phylogenetic diversity of fleas is driven mainly by evolutionary/historical processes, whereas drivers of their compositional diversity are associated with current ecological conditions. 相似文献
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Andrew M Jobbins Nejc Haberman Natalia Artigas Christopher Amourda Helen A B Paterson Sijia Yu Samuel J I Blackford Alex Montoya Marian Dore Yi-Fang Wang Alessandro Sardini Inês Cebola Johannes Zuber Sheikh
Tamir Rashid Boris Lenhard Santiago Vernia 《Nucleic acids research》2022,50(6):3379
Pre-mRNA processing is an essential mechanism for the generation of mature mRNA and the regulation of gene expression in eukaryotic cells. While defects in pre-mRNA processing have been implicated in a number of diseases their involvement in metabolic pathologies is still unclear. Here, we show that both alternative splicing and alternative polyadenylation, two major steps in pre-mRNA processing, are significantly altered in non-alcoholic fatty liver disease (NAFLD). Moreover, we find that Serine and Arginine Rich Splicing Factor 10 (SRSF10) binding is enriched adjacent to consensus polyadenylation motifs and its expression is significantly decreased in NAFLD, suggesting a role mediating pre-mRNA dysregulation in this condition. Consistently, inactivation of SRSF10 in mouse and human hepatocytes in vitro, and in mouse liver in vivo, was found to dysregulate polyadenylation of key metabolic genes such as peroxisome proliferator-activated receptor alpha (PPARA) and exacerbate diet-induced metabolic dysfunction. Collectively our work implicates dysregulated pre-mRNA polyadenylation in obesity-induced liver disease and uncovers a novel role for SRSF10 in this process. 相似文献
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