Dataset Information

An Open Science MRI Database of over 100 Synaesthetic Brains and Accompanying Deep Phenotypic Information.

ABSTRACT: We provide a neuroimaging database consisting of 102 synaesthetic brains using state-of-the-art 3 T MRI protocols from the Human Connectome Project (HCP) which is freely available to researchers. This database consists of structural (T1- and T2-weighted) images together with approximately 24 minutes of resting state data per participant. These protocols are designed to be inter-operable and reproducible so that others can add to the dataset or directly compare it against other normative or special samples. In addition, we provide a 'deep phenotype' of our sample which includes detailed information about each participant's synaesthesia together with associated clinical and cognitive measures. This behavioural dataset, which also includes data from (N = 109) non-synaesthetes, is of importance in its own right and is openly available.

SUBMITTER: Racey C

PROVIDER: S-EPMC10625562 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature

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An Open Science MRI Database of over 100 Synaesthetic Brains and Accompanying Deep Phenotypic Information.

Racey Chris C Kampoureli Christina C Bowen-Hill Oscar O Bauer Mathilde M Simpson Ivor I Rae Charlotte C Del Rio Magda M Simner Julia J Ward Jamie J

Scientific data 20231104 1

We provide a neuroimaging database consisting of 102 synaesthetic brains using state-of-the-art 3 T MRI protocols from the Human Connectome Project (HCP) which is freely available to researchers. This database consists of structural (T1- and T2-weighted) images together with approximately 24 minutes of resting state data per participant. These protocols are designed to be inter-operable and reproducible so that others can add to the dataset or directly compare it against other normative or speci ...[more]

PMID: 37925503

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Project description:Purpose:To dissect the mechanisms underlying altered gene expression in aneuploids, we measured transcript abundance in colonies of haploid yeast strain F45 and derived strains, including strains disomic for chromosomes XV and XVI, using RNA-seq. F45 colonies display complex “fluffy” morphologies, while the disomic colonies are smooth, resembling laboratory strains Methods: RNA-seq analysis was carried out on RNA isolated from fully developed S. cerevisiae colonies, grown on solid medium for four days, either in triplicate or quadruplicate. Stranded, paired-end sequencing was carried out in two batches. In the first batch 2x51 bp sequencing was carried out on an Illumina Hiseq2000 and in the second batch 2x75 bp sequencing was carried out on an Illumina NextSeq. Readpairs were aligned using Bowtie2 (version 2.1.0)with the parameters [-N 1 -I 50 -X 450 -p 6 --reorder -x -S] and allowing 1 mismatch per read. Differential transcription was detected and quantified using EdgeR (v. 3.6.8) Results: Our two disomes displayed similar transcriptional profiles, a phenomenon not driven by their shared smooth colony morphology nor specified purely by the karyotype. Surprisingly, the environmental stress response (ESR) was induced in euploid F45, relative to the two disomes, rather than vice-versa. We also identified genes whose expression reflected a non-linear interaction between the copy number of a transcriptional regulatory gene on chromosome XVI, DIG1, and the copy number of other chromosome XVI genes. DIG1 and the remaining chromosome XVI genes also demonstrated distinct contributions to the effect of the chromosome XVI disome on ESR gene expression. Conclusions: Expression changes in aneuploids reflect a mixture of effects shared between different aneuploidies, including stress responses, and effects unique to perturbing the copy number of particular chromosomes, including non-linear copy number interactions between genes. The balance between these two phenomena is likely to be genotype and environment specific.

Dataset Information

An Open Science MRI Database of over 100 Synaesthetic Brains and Accompanying Deep Phenotypic Information.

Publications

An Open Science MRI Database of over 100 Synaesthetic Brains and Accompanying Deep Phenotypic Information.

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