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Development of novel microsatellite markers using RAD sequencing technology for diversity assessment of rambutan (Nephelium lappaceum L.) germplasm.

ABSTRACT: The trend of microsatellite marker discovery and development revolved as a result of the advancement of next generation sequencing (NGS) technology as it has developed numerous microsatellites within a short period of time at a low cost. This study generated microsatellite markers using RAD sequencing technologies for the understudied Nephelium lappaceum. A total of 1403 microsatellite markers were successfully designed, which consisted of 853 di-, 525 tri-, 17 tetra-, 5 penta-, and 3 hexanucleotide microsatellite markers. Subsequently, selection of 39 microsatellites was made for the evaluation of genetic diversity of the selected 22 rambutan varieties. Twelve microsatellites, which exhibited high call rates across the samples, were used to assess the diversity of the aforementioned rambutan varieties. The analysis of 12 microsatellites revealed the presence of 72 alleles and six alleles per locus in average. Furthermore, the polymorphic information content (PIC) value ranged from 0.326 (NlaSSR20) to 0.832 (NlaSSR32), which included an average of 0.629 per locus, while the generated Neighbour Joining dendrogram showed two major clusters. The pairwise genetic distance of shared alleles exhibited a range of values from 0.046 (R134↔R170) to 0.818 (R5↔R170), which suggested highest dissimilarity detected between R5 and R170. Notably, these research findings would useful for varietal identification, proper management and conservation of the genetic resources, and exploitation and utilization in future breeding programs.

SUBMITTER: Ab Razak S

PROVIDER: S-EPMC7527576 | biostudies-literature |

REPOSITORIES: biostudies-literature

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The complete chloroplast genome and phylogenetic analysis of <i>Nephelium lappaceum</i> (rambutan).

Project description:Nephelium lappaceum is a popular tropical fruit belonging to the Sapindaceae family. The plant originated in Malaysia and Indonesia and is commonly called rambutan. Because of its refreshing flavor and exotic appearance, rambutan is widely accepted in the World. Due to its significant medicinal properties, the fruit has also been employed in traditional medicine for centuries. The chloroplast genome of rambutan was sequenced, assembled, and annotated in the present study. The chloroplast genome length was 161,356 bp and contained 132 genes, including 87 protein-coding genes, 37 transfer RNA (tRNA) genes, and 8 ribosomal RNA (rRNA) genes. It possessed the typical quadripartite circle structure with a large single-copy region (86,009 bp), a small single-copy region (18,153 bp), and two inverted repeat regions (28,597 bp). A total of 35 SSR markers were found in the chloroplast genome of Nephelium lappaceum, of which 33 were monomer, 1 was dimer and 1 was tetramer. Phylogenetic analysis based on the complete chloroplast genome sequences of 21 plant species showed that rambutan was closely related to Pometia tomentosa. These results provide a foundation for further phylogenetic and evolutionary studies of the Sapindaceae family.

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Metabolomics dataset of underutilized Indonesian fruits; rambai (Baccaurea motleyana), nangkadak (Artocarpus nangkadak), rambutan (Nephelium lappaceum) and Sidempuan salak (Salacca sumatrana) using GCMS and LCMS.

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| PRJNA728838 | ENA

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Project description:Nephelium lappaceum Genome sequencing

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Project description:Nephelium lappaceum overview

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