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ABSTRACT: DNAseq of Cryptoccocus gattii VGV (Farrer et al mBio 2019)

PROVIDER: PRJNA480403 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7514423_1.fastq.gz	Fastqsanger.gz
	SRR7514423_2.fastq.gz	Fastqsanger.gz
	SRR7514424_1.fastq.gz	Fastqsanger.gz
	SRR7514424_2.fastq.gz	Fastqsanger.gz
	SRR7514425_1.fastq.gz	Fastqsanger.gz

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Project description:DNAseq of Cryptoccocus gattii VGI, VGII, VGIII, VGIV, VGVI (Farrer et al mBio 2019)

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Feng et al 2019 - Microarray Raw Data

Project description:Feng et al 2019 - Microarray Raw Data

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DNMT1 mutant ants develop normally, but have disrupted oogenesis and decreased survival

Project description:While DNA methylation is an important gene regulatory mechanism in mammals (Razin and Riggs 1980; Moore, Le, and Fan 2013), its function in arthropods remains poorly understood. Studies in eusocial insects have argued for its role in caste development by regulating gene expression and splicing (Elango et al. 2009; Lyko et al. 2010; Bonasio et al. 2012; Flores et al. 2012; Foret et al. 2012; Li-Byarlay et al. 2013; Marshall, Lonsdale, and Mallon 2019; Shi et al. 2013)(Alvarado et al. 2015; Kucharski et al. 2008). However, such findings are not always consistent across studies, and have therefore remained controversial (Arsenault, Hunt, and Rehan 2018; Cardoso-Junior et al. 2021; Harris et al. 2019; Herb et al. 2012; Libbrecht et al. 2016; Oldroyd and Yagound 2021b; Patalano et al. 2015). Here we use CRISPR/Cas9 to mutate the maintenance DNA methyltransferase DNMT1 in the clonal raider ant, Ooceraea biroi. Mutants have greatly reduced DNA methylation but no obvious developmental phenotypes, demonstrating that, unlike mammals (Brown and Robertson 2007; En Li, Bestor, and Jaenisch 1992; Jackson-Grusby et al. 2001; Panning and Jaenisch 1996), ants can undergo normal development without DNMT1 or DNA methylation. Additionally, we find no evidence of DNA methylation regulating caste development. However, mutants are sterile, while in wildtypes, DNMT1 is localized to the ovaries and maternally provisioned into nascent oocytes. This supports the idea that DNMT1 plays a crucial but unknown role in the insect germline (Amukamara et al. 2020; Arsala et al. 2021; Bewick et al. 2019; Schulz et al. 2018; Ventós-Alfonso et al. 2020; Washington et al. 2020).

2023-03-23 | GSE182212 | GEO

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