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Aflatoxin B1 (AFB1) is a mycotoxin mainly produced by Aspergillus flavus and Aspergillus parasiticus contaminating food, feed ingredients and products of animal origin. In mammals, this toxin causes widespread organ-specific damage; it is immunotoxicity and could promote hepatotoxicity, alter intestinal functions and so on. In this study, we conducted transcriptome and histomorphology analyses of hepatopancreas and intestinal in Litopenaeus vannamei (L. vannamei) challenged with AFB1. Totally 12,014 and 1387 differentially expression genes (DEGs) were identified in the hepatopancreas and intestine, respectively. In hepatopancreas, a total of 1995 DEGs were mainly annotated and grouped into 18 processes or pathways related to animal immune system. With respect to intestine, a total of 152 DEGs were mainly annotated to 7 processes or pathways related to animal immune system. Meanwhile, we determined the relative mRNA expression of several crucial representative immune genes including Toll, immune deficiency (IMD), prophenoloxidase (proPO), Rab and glutathione S-transferase (GST) in the hepatopancreas and intestines of shrimp at 3-, 6-, 12-, 18-, 24- and 30-d after challenged by AFB1. Exposure to AFB1 increased mortality, decrease weight gain rate, severely destroyed the histomorphology of hepatopancreas and intestine, and resulted in the damaged of immune system of shrimp. The present data reveals the different roles between hepatopancreas and intestine of L. vannamei in immune response to AFB1 challenge, and provides insight into the molecular basis of the relationship between hepatopancreas and intestinal immunity during either homeostasis or inflammation.
Pubmed ID: 30981908
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Web application to search protein databases using a translated nucleotide query. Translated BLAST services are useful when trying to find homologous proteins to a nucleotide coding region. Blastx compares translational products of the nucleotide query sequence to a protein database. Because blastx translates the query sequence in all six reading frames and provides combined significance statistics for hits to different frames, it is particularly useful when the reading frame of the query sequence is unknown or it contains errors that may lead to frame shifts or other coding errors. Thus blastx is often the first analysis performed with a newly determined nucleotide sequence and is used extensively in analyzing EST sequences. This search is more sensitive than nucleotide blast since the comparison is performed at the protein level.
View all literature mentionsSoftware environment and programming language for statistical computing and graphics. R is integrated suite of software facilities for data manipulation, calculation and graphical display. Can be extended via packages. Some packages are supplied with the R distribution and more are available through CRAN family.It compiles and runs on wide variety of UNIX platforms, Windows and MacOS.
View all literature mentionsSoftware package used for interactive, or batched, statistical analysis in social science, health sciences and marketing. Software platform offers advanced statistical analysis, a library of machine-learning algorithms, text analysis, open-source extensibility, integration with big data and deployment into applications.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago.
View all literature mentionsA portal to biomedical and genomic information. NCBI creates public databases, conducts research in computational biology, develops software tools for analyzing genome data, and disseminates biomedical information for the better understanding of molecular processes affecting human health and disease.
View all literature mentionsA database for phylogenetic classification for proteins encoded in complete genomes. Clusters of Orthologous Groups of proteins (COGs) were delineated by comparing protein sequences encoded in complete genomes, representing major phylogenetic lineages. Each COG consists of individual proteins or groups of paralogs from at least 3 lineages and thus corresponds to an ancient conserved domain. Please be aware that COGs hasn't been updated in many years and will not be.
View all literature mentionsIntegrated database resource consisting of 16 main databases, broadly categorized into systems information, genomic information, and chemical information. In particular, gene catalogs in completely sequenced genomes are linked to higher-level systemic functions of cell, organism, and ecosystem. Analysis tools are also available. KEGG may be used as reference knowledge base for biological interpretation of large-scale datasets generated by sequencing and other high-throughput experimental technologies.
View all literature mentionsBioconductor software package for Empirical analysis of Digital Gene Expression data in R. Used for differential expression analysis of RNA-seq and digital gene expression data with biological replication.
View all literature mentionsRepository of raw sequencing data from next generation of sequencing platforms including including Roche 454 GS System, Illumina Genome Analyzer, Applied Biosystems SOLiD System, Helicos Heliscope, Complete Genomics, and Pacific Biosciences SMRT. In addition to raw sequence data, SRA now stores alignment information in form of read placements on reference sequence. Data submissions are welcome. Archive of high throughput sequencing data,part of international partnership of archives (INSDC) at NCBI, European Bioinformatics Institute and DNA Database of Japan. Data submitted to any of this three organizations are shared among them.
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