Dataset Information

Dataset from genome sequencing, assembly and mining of microsatellite markers in barred-button quail (Turnix suscitator).

ABSTRACT: Turnix suscitator (barred-button quail) is a member of the primitive genus Turnix in the highly diverse order of shore birds Charadriiformes. Absence of genome scale data of T. suscitator has limited our understanding about its systematics, taxonomic and evolutionary history as well has hindered the characterization of genome wide microsatellite markers of the same. Hence we generated whole genome short read sequences of T. suscitator, created a high quality assembly and mined genome-wide microsatellite markers from the same. A total of 34142524 reads were sequenced with an estimated genome size of 817 mb. SPAdes assembly consisted of 320761 total contigs and an estimated N50 value of 907 base pairs. Krait identified a total of 77028 microsatellite motifs covering 0.64% of the total sequences in the SPAdes assembly. Further the whole genome sequence and genome wide microsatellites dataset of T. suscitator will facilitate future genomic/evolutionary studies of Turnix species.

SUBMITTER: Dey P

PROVIDER: S-EPMC10294100 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature

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Dataset from genome sequencing, assembly and mining of microsatellite markers in barred-button quail (Turnix suscitator).

Dey Prateek P Ray Swapna Devi SD Pramod Padmanabhan P Singh Ram Pratap RP

Data in brief 20230601

Turnix suscitator (barred-button quail) is a member of the primitive genus Turnix in the highly diverse order of shore birds Charadriiformes. Absence of genome scale data of T. suscitator has limited our understanding about its systematics, taxonomic and evolutionary history as well has hindered the characterization of genome wide microsatellite markers of the same. Hence we generated whole genome short read sequences of T. suscitator, created a high quality assembly ...[more]

PMID: 37383822

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Project description:High-throughput sequencing has been dramatically accelerating the discovery of microsatellite markers (also known as Simple Sequence Repeats). Both 454 and Illumina reads have been used directly in microsatellite discovery and primer design (the "Seq-to-SSR" approach). However, constraints of this approach include: 1) many microsatellite-containing reads do not have sufficient flanking sequences to allow primer design, and 2) difficulties in removing microsatellite loci residing in longer, repetitive regions. In the current study, we applied the novel "Seq-Assembly-SSR" approach to overcome these constraints in Anisogramma anomala. In our approach, Illumina reads were first assembled into a draft genome, and the latter was then used in microsatellite discovery. A. anomala is an obligate biotrophic ascomycete that causes eastern filbert blight disease of commercial European hazelnut. Little is known about its population structure or diversity. Approximately 26 M 146 bp Illumina reads were generated from a paired-end library of a fungal strain from Oregon. The reads were assembled into a draft genome of 333 Mb (excluding gaps), with contig N50 of 10,384 bp and scaffold N50 of 32,987 bp. A bioinformatics pipeline identified 46,677 microsatellite motifs at 44,247 loci, including 2,430 compound loci. Primers were successfully designed for 42,923 loci (97%). After removing 2,886 loci close to assembly gaps and 676 loci in repetitive regions, a genome-wide microsatellite database of 39,361 loci was generated for the fungus. In experimental screening of 236 loci using four geographically representative strains, 228 (96.6%) were successfully amplified and 214 (90.7%) produced single PCR products. Twenty-three (9.7%) were found to be perfect polymorphic loci. A small-scale population study using 11 polymorphic loci revealed considerable gene diversity. Clustering analysis grouped isolates of this fungus into two clades in accordance with their geographic origins. Thus, the "Seq-Assembly-SSR" approach has proven to be a successful one for microsatellite discovery.

Project description:To assess the genetic diversity of domestic Japanese quail (Coturnix japonica) populations, and their genetic relationships, we examined mitochondrial DNA (mtDNA) D-loop sequences and microsatellite markers for 19 Japanese quail populations. The populations included nine laboratory lines established in Japan (LWC, Quv, RWN, WE, AWE, AMRP, rb-TKP, NIES-L, and W), six meat-type quail lines reimported from Western countries (JD, JW, Estonia, NIES-Br, NIES-Fr, and NIES-Hn), one commercial population in Japan, and three wild quail populations collected from three Asian areas. The phylogenetic tree of mtDNA D-loop sequences revealed two distinct haplotype groups, Dloop-Group1 and Dloop-Group2. Dloop-Group1 included a dominant haplotype representing most of the quail populations, including wild quail. Dloop-Group2 was composed of minor haplotypes found in several laboratory lines, two meat-type lines, and a few individuals in commercial and wild quail populations. Taking the breeding histories of domestic populations into consideration, these results suggest that domestic quail populations may have derived from two sources, i.e., domestic populations established before and after World War II in Japan. A discriminant analysis of principal components and a Bayesian clustering analysis with microsatellite markers indicated that the domestic populations are clustered into four genetic groups. The two major groups were Microsat-Group1, which contained WE, and four WE-derived laboratory lines (LWC, Quv, RWN, and AWE), and Microsat-Group2 consisting of NIES-L, JD, JW, Estonia, NIES-Br, NIES-Fr, NIES-Hn, W, and commercial and wild populations. The remaining two lines (AMRP and rb-TKP) were each clustered into a separate clade. This hierarchical genetic difference between domestic quail populations is attributed to the genetic background derived from two different genetic sources-the pre-war and post-war populations-which is well supported by their breeding histories.

Project description:BackgroundAnther-smut fungi belonging to the genus Microbotryum sterilize their host plants by aborting ovaries and replacing pollen by fungal spores. Sibling Microbotryum species are highly specialized on their host plants and they have been widely used as models for studies of ecology and evolution of plant pathogenic fungi. However, most studies have focused, so far, on M. lychnidis-dioicae that parasitizes the white campion Silene latifolia. Microbotryum saponariae, parasitizing mainly Saponaria officinalis, is an interesting anther-smut fungus, since it belongs to a tetrapolar lineage (i.e., with two independently segregating mating-type loci), while most of the anther-smut Microbotryum fungi are bipolar (i.e., with a single mating-type locus). Saponaria officinalis is a widespread long-lived perennial plant species with multiple flowering stems, which makes its anther-smut pathogen a good model for studying phylogeography and within-host multiple infections.Principal findingsHere, based on a generated genome sequence of M. saponariae we developed 6 multiplexes with a total of 22 polymorphic microsatellite markers using an inexpensive and efficient method. We scored these markers in fungal individuals collected from 97 populations across Europe, and found that the number of their alleles ranged from 2 to 11, and their expected heterozygosity from 0.01 to 0.58. Cross-species amplification was examined using nine other Microbotryum species parasitizing hosts belonging to Silene, Dianthus and Knautia genera. All loci were successfully amplified in at least two other Microbotryum species.SignificanceThese newly developed markers will provide insights into the population genetic structure and the occurrence of within-host multiple infections of M. saponariae. In addition, the draft genome of M. saponariae, as well as one of the described markers will be useful resources for studying the evolution of the breeding systems in the genus Microbotryum and the evolution of specialization onto different plant species.

Dataset Information

Dataset from genome sequencing, assembly and mining of microsatellite markers in barred-button quail (Turnix suscitator).

Publications

Dataset from genome sequencing, assembly and mining of microsatellite markers in barred-button quail (<i>Turnix suscitator</i>).

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