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2.
Sci Rep ; 8(1): 2749, 2018 02 09.
Artigo em Inglês | MEDLINE | ID: mdl-29426939

RESUMO

Seagrasses and aquatic plants are important clades of higher plants, significant for carbon sequestration and marine ecological restoration. They are valuable in the sense that they allow us to understand how plants have developed traits to adapt to high salinity and photosynthetically challenged environments. Here, we present a large-scale phylogenetically profiled transcriptomics repository covering seagrasses and aquatic plants. SeagrassDB encompasses a total of 1,052,262 unigenes with a minimum and maximum contig length of 8,831 bp and 16,705 bp respectively. SeagrassDB provides access to 34,455 transcription factors, 470,568 PFAM domains, 382,528 prosite models and 482,121 InterPro domains across 9 species. SeagrassDB allows for the comparative gene mining using BLAST-based approaches and subsequent unigenes sequence retrieval with associated features such as expression (FPKM values), gene ontologies, functional assignments, family level classification, Interpro domains, KEGG orthology (KO), transcription factors and prosite information. SeagrassDB is available to the scientific community for exploring the functional genic landscape of seagrass and aquatic plants at: http://115.146.91.129/index.php .


Assuntos
Organismos Aquáticos/classificação , Organismos Aquáticos/genética , Bases de Dados Genéticas , Plantas/classificação , Plantas/genética , Biologia Marinha , Filogenia , Transcriptoma/genética
3.
Sci Rep ; 8(1): 8511, 2018 05 31.
Artigo em Inglês | MEDLINE | ID: mdl-29855493

RESUMO

A broad panel of tens of thousands of microsatellite loci is unveiled for an endangered piracema (i.e. migratory) South American fish, Brycon orbignyanus. Once one of the main fisheries resources in the Platine Basin, it is now almost extinct in nature and focus of intense aquaculture activity. A total of 178.2 million paired-end reads (90 bases long) were obtained through the use of sequencing-by-synthesis (from a primary genomic library of 500 bp DNA fragments) and is made available through NCBI's Sequence Read Archive, SRA accession SRX3350440. Short reads were assembled de novo and screening for perfect microsatellite motifs revealed more than 81 thousands unique microsatellite loci, for which primer pairs were proposed. A total of 29 polymorphic microsatellite markers were already previously validated for this panel. A partial genomic assembly is hereby presented and these genomic resources are publicly made available. These data will foster the rapid development of hundreds of new DNA markers for genetic diversity studies, conservation initiatives and management practices for this important and depleted species. The availability of such preliminary genomic data will also be of use in the areas of bioinformatics, ecology, genetics and evolution.


Assuntos
Caraciformes/genética , Espécies em Perigo de Extinção , Repetições de Microssatélites , Animais , DNA/genética , Biblioteca Gênica , Marcadores Genéticos/genética , Genômica
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