The differentiation between Neolissochilus and Acrossocheilus species based only on morphology is ambiguous; however, phylogenetic analysis using their mitogenome sequences provides conclusive results. Here, the phylogenetic position of Neolissochilus hendersoni (Herre, 1940) was determined using its mitogenome data. Total DNA from N. hendersoni was sequenced using the Illumina NovaSeq6000 platform, and annotation of mitochondrial genes was performed using MITOS2. Phylogenetic trees were constructed using the complete mitogenomes of 16 fish species. The mitogenome of N. hendersoni was found to be 16584 bp long, containing two ribosomal RNA genes, 13 protein-coding genes, 22 transfer RNA genes, and three non-coding control regions. The genome showed a slight A + T bias (A + T = 56.46%). Most PCGs were found to be located on the L-strand. Results of the phylogenetic analysis showed that N. stracheyi is closely related to N. hendersoni . Our results will help to clarify the phylogenetic relationship between Neolissochilus and Acrossocheilus species.
Epilepsy is a severe neurological condition affecting 50–65 million individuals worldwide that can lead to brain damage. Nevertheless, the etiology of epilepsy remains poorly understood. Meta-analyses of genome-wide association studies involving 15,212 epilepsy cases and 29,677 controls of the ILAE Consortium cohort were used to conduct transcriptome-wide association studies (TWAS) and protein-wide association studies (PWAS). Furthermore, a protein-protein interaction (PPI) network was generated using the STRING database, and significant epilepsy-susceptible genes were verified using chip data. Chemical-related gene set enrichment analysis (CGSEA) was performed to determine novel drug targets for epilepsy. TWAS analysis identified 21,170 genes, of which 58 were significant (TWASfdr < 0.05) in ten brain regions, and 16 differentially expressed genes were verified based on mRNA expression profiles. The PWAS identified 2249 genes, of which 2 were significant (PWASfdr < 0.05). Through chemical-gene set enrichment analysis, 287 environmental chemicals associated with epilepsy were identified. We identified five significant genes (WIPF1, IQSEC1, JAM2, ICAM3, and ZNF143) that had causal relationships with epilepsy. CGSEA identified 159 chemicals that were significantly correlated with epilepsy (Pcgsea < 0.05), such as pentobarbital, ketone bodies, and polychlorinated biphenyl. In summary, we performed TWAS, PWAS (for genetic factors), and CGSEA (for environmental factors) analyses and identified several epilepsy-associated genes and chemicals. The results of this study will contribute to our understanding of genetic and environmental factors for epilepsy and may predict novel drug targets.
Neolissochilus stracheyi Day 1871 is a rare specie of fish inhabit clear forest streams and rivers. In order to discuss the phylogenetic position of N. stracheyi , the mitochondrial genome was obtained by sequencing. The genome was 16,587 bp in length with an accession number OM203155. The AT contents were 56.59%. The location and composition of genes are consistent with published Cyprinids containing 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes, and 1 main non-coding regions. Sequence analysis showed that the mitochondrial genome of N. stracheyi has high sequence homology with other cyprinid fishes. Phylogenetic tree results showed that N. stracheyi is most closely related to Neolissochilus heterostomus . The mitochondrial sequence is of great significance for fish conservation, taxonomic status and resource exploitation.
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