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EoAcrBrac

ABSTRACT: Acrocnida brachiata (sand burrowing brittlestar)

PROVIDER: PRJEB80827 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR13762718.fastq.gz	Fastqsanger.gz
	ERR13766895_1.fastq.gz	Fastqsanger.gz
	ERR13766895_2.fastq.gz	Fastqsanger.gz
	ERR13766896_1.fastq.gz	Fastqsanger.gz
	ERR13766896_2.fastq.gz	Fastqsanger.gz

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eoAcrBrac

Project description:Acrocnida brachiata (sand burrowing brittlestar), genomic and transcriptomic data

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Sarcoptes scabiei Mites Modulate Gene Expression In Human Skin Equivalents

Project description:The purpose of this study was to identify genes in keratinocytes and fibroblasts in human skin equivalents that changed expression in response to the burrowing of live scabies mites.

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Cis-regulatory changes in locomotor genes are associated with the evolution of burrowing behavior

Project description:How evolution modifies complex, innate behaviors is largely unknown. Divergence in many morphological traits has been linked, at least in part, to cis-regulatory changes in gene expression, a pattern also observed for some behaviors in recently diverged populations. Given this, we compared the gene expression in the brains of two interfertile sister species of Peromyscus mice, including allele-specific expression (ASE) of their F1 hybrids, that show large and heritable differences in burrowing behavior. Because cis-regulation may contribute to constitutive as well as activity-dependent gene expression, we also captured a molecular signature of burrowing circuit divergence by quantifying gene expression in mice shortly after burrowing. We found that several thousand genes were differentially expressed between the two sister species regardless of behavioral context, with several thousand more showing behavior-dependent differences. Allele-specific expression in F1 hybrids showed a similar pattern, suggesting that much of the differential expression is driven by cis-regulatory divergence. Genes related to locomotor coordination showed the strongest signals of lineage-specific selection on burrowing-induced cis-regulatory changes. By comparing these candidate genes to independent quantitative trait locus (QTL) mapping data, we found that the closest QTL markers to these candidate genes are associated with variation in burrow shape, demonstrating an enrichment for candidate locomotor genes near segregating causal loci. Together, our results provide insight into how cis-regulated gene expression can depend on behavioral context as well as how this dynamic regulatory divergence between species can be integrated with forward genetics to enrich our understanding of the genetic basis of behavioral evolution.

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Carallia brachiata

Project description:Carallia brachiata Genome sequencing

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eoOphAlbi

Project description:Ophiura albida (serpents table brittlestar)

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Transcriptional profiles associated with Context dependent behavior in Rock X Sand F1 in Lake Malawi Cichlids

Project description:We sought to evaluate the brain gene expression profiles of male courtship display. To assess male display and courtship behavior, we designed a courtship preference assay. We evaluated social interactions between males and females using a 40 gallon tank design with a ‘rock’ habitat at one end and ‘sand’ at the other, separated by glass bottom. When parental rock species (Petrotilapia nigra (TaxId 526958), Maylandia zebra (TaxId 106582), Labeotropheus feulliborni) are placed in this tank paradigm, males court females over the rocks. Males of sand species (Mchenga conophorus, Aulonocara baenschi (TaxId 143496), Tramitichromis intermedius (TaxId 323801)) court females over sand and construct species appropriate bowers. When single rock x sand F1 males were placed in this set up with F1 females, males invariably courted females over the ‘rock’ habitat, suggesting genetic dominance. When two rock x sand F1 males were allowed to compete for F1 females in this tank paradigm, something interesting happened. One male, typically the larger, courted females over the rock habitat, and the other simultaneously constructed bowers to court females in the sand. We detected no difference in GSI (gonadal somatic index) between F1 males behaving as ‘socially rock’ vs. ‘socially sand.’ This observation of divergent behavior among interacting F1 brothers suggests an interaction between the genome and the social environment in these males.

2021-07-02 | GSE122500 | GEO

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