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Genome-wide and Caste-Specific DNA Methylomes of the Ants Camponotus floridanus and Harpegnathos saltator

文献类型:期刊论文

作者Bonasio R1; Li QY3,4; Lian JM3; Mutti NS5; Jin LJ3; Zhao HM3; Zhang P3; Wen P3; Xiang H6; Wang W6
刊名CURRENT BIOLOGY
出版日期2012
卷号22期号:19页码:1755-1764;
通讯作者bergers@mail.med.upenn.edu
合作状况其它
英文摘要Background: Ant societies comprise individuals belonging to different castes characterized by specialized morphologies and behaviors. Because ant embryos can follow different developmental trajectories, epigenetic mechanisms must play a role in caste determination. Ants have a full set of DNA methyltransferases and their genomes contain methylcytosine. To determine the relationship between DNA methylation and phenotypic plasticity in ants, we obtained and compared the genome-wide methylonnes of different castes and developmental stages of Camponotus floridanus and Harpegnathos saltator. 

Results: In the ant genomes, methylcytosines are found both in symmetric CG dinucleotides (CpG) and non-CpG contexts and are strongly enriched at exons of active genes. Changes in exonic DNA methylation correlate with alternative splicing events such as exon skipping and alternative splice site selection. Several genes exhibit caste-specific and developmental changes in DNA methylation that are conserved between the two species, including genes involved in reproduction, telomere maintenance, and noncoding RNA metabolism. Several loci are methylated and expressed monoallelically, and in some cases, the choice of methylated allele depends on the caste. 

Conclusions: These first ant methylomes and their intra- and interspecies comparison reveal an exonic methylation pattern that points to a connection between DNA methylation and splicing. The presence of monoallelic DNA methylation and the methylation of non-CpG sites in all samples suggest roles in genome regulation in these social insects, including the intriguing possibility of parental or caste-specific genomic imprinting.
收录类别SCI
资助信息This work was funded by a Howard Hughes Medical Institute Collaborative Innovation Award (#2009005) to S.L.B., D.R., and J.L.
语种英语
WOS记录号WOS:000309792900018
公开日期2013-04-09
源URL[http://159.226.149.42:8088/handle/152453/7309]  
专题昆明动物研究所_基因起源组
昆明动物研究所_遗传资源与进化国家重点实验室
作者单位1.Howard Hughes Medical Institute and Department of Biochemistry
2.Center for Health Informatics and Bioinformatics New York University School of Medicine, New York, NY 10016
3.BGI-Shenzhen, Shenzhen 518083, China
4.School of Bioscience and Bioengineering, South China University of Technology, Guangzhou 510006, China
5.School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
6.State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
7.Department of Biology,University of Copenhagen, Universitetsparken 15, København 2100, Denmark
8.The Novo Nordisk Foundation Center for Basic Metabolic Research University of Copenhagen, Universitetsparken 15, København 2100, Denmark
9.University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
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GB/T 7714
Bonasio R,Li QY,Lian JM,et al. Genome-wide and Caste-Specific DNA Methylomes of the Ants Camponotus floridanus and Harpegnathos saltator[J]. CURRENT BIOLOGY,2012,22(19):1755-1764;.
APA Bonasio R.,Li QY.,Lian JM.,Mutti NS.,Jin LJ.,...&Reinberg D[*].(2012).Genome-wide and Caste-Specific DNA Methylomes of the Ants Camponotus floridanus and Harpegnathos saltator.CURRENT BIOLOGY,22(19),1755-1764;.
MLA Bonasio R,et al."Genome-wide and Caste-Specific DNA Methylomes of the Ants Camponotus floridanus and Harpegnathos saltator".CURRENT BIOLOGY 22.19(2012):1755-1764;.

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来源:昆明动物研究所

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