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![1 Three components of each nucleotide: the nitrogenous base that can basically belong to two categories (single ring: pyrimidines, or two-linked rings: purines), a pentose sugar (ribose in RNA and deoxyribose in DNA), and a phosphate group [2]](profile/Zahra-Narimani/publication/299703453/figure/fig1/AS:767432050360322@1559981467928/Three-components-of-each-nucleotide-the-nitrogenous-base-that-can-basically-belong-to.png)
1 Three components of each nucleotide: the nitrogenous base that can basically belong to two categories (single ring: pyrimidines, or two-linked rings: purines), a pentose sugar (ribose in RNA and deoxyribose in DNA), and a phosphate group [2]
Source publication
In an ideal case, an assembly algorithm should merge overlapped reads to one long continuous sequence, called contig, which is a chromosome in the primitive genome. But due to sequencing errors and the existence of unsequenced parts, contigs gained from the assembly algorithm are not complete enough to form chromosomes. Even with high coverage, the...
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Citations
... Scaffolds are the ordered arrangements of contigs that were assembled de novo as inferred from mate pair or paired end sequenced reads[89]; 2 Scaffold N50 is the weighted mean scaffold size of a genome assembly and is a metric of de novo genome assembly quality. The N50 is the number of the longest scaffold after ranking the lengths of all of the assembled scaffolds from the top downward. ...
... These ranked lengths are then summed starting from the largest scaffold. Scaffold N50 is the scaffold size at which this summed length is greater or equal to 50% of the total assembled genome size[89]. ...
The coconut is a major crop of many tropical countries, with the endosperm being one of its main products. The coconut soft-endosperm variants, the Makapuno and the Lono, are emerging as economically important. This review describes this crop, its salient endosperm phenotypes and the prevailing hypotheses associated with these. We also collate the literature on the Makapuno and provide a comprehensive review of the scarce information on the Lono. We review the current tenets of plant DNA methylation and provide examples of altered phenotypes associated with such methylation changes. We explore how the changes in the methylome affect endosperm development and the tissue culture process. We further cite the epigenetic basis of an altered endosperm phenotype of a closely related species to the coconut, the oil palm. We discuss how such modifications could affect coconut endosperm development, yielding the Makapuno and Lono phenotypes.
