Complete Plastid Genome Sequences of Four Salsoleae s.l. Species: Comparative and Phylogenetic Analyses
Almerekova S. Yermagambetova M. Osmonali B. Vesselova P. Turuspekov Y. Abugalieva S.
August 2024Multidisciplinary Digital Publishing Institute (MDPI)
Biomolecules
2024#14Issue 8
The taxonomic classification of the genera Salsola L., Pyankovia Akhani and Roalson, and Xylosalsola Tzvelev within Chenopodiaceae Vent. (Amaranthaceae s.l.) remains controversial, with the precise number of species within these genera still unresolved. This study presents a comparative analysis of the complete plastid genomes of S. foliosa, S. tragus, P. affinis, and X. richteri species collected in Kazakhstan. The assembled plastid genomes varied in length, ranging from 151,177 bp to 152,969 bp for X. richteri and S. tragus. These genomes contained 133 genes, of which 114 were unique, including 80 protein-coding, 30 tRNA, and 4 rRNA genes. Thirteen regions, including ndhC-ndhD, rps16-psbK, petD, rpoC2, ndhA, petB, clpP, atpF, ycf3, accD, ndhF-ndhG, matK, and rpl20-rpl22, exhibited relatively high levels of nucleotide variation. A total of 987 SSRs were detected across the four analyzed plastid genomes, primarily located in the intergenic spacer regions. Additionally, 254 repeats were identified, including 92 tandem repeats, 88 forward repeats, 100 palindromic repeats, and only one reverse repeat. A phylogenetic analysis revealed clear clustering into four clusters corresponding to the Salsoleae and Caroxyloneae tribe clades. These nucleotide sequences obtained in this study represent a valuable resource for future phylogenetic analyses within the Salsoleae s.l. tribe.
Illumina sequencing , Kazakhstan , phylogenetic relationships , plastid genome comparison , polymorphic regions , Salsoleae s.l
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Molecular Genetics Laboratory, Institute of Plant Biology and Biotechnology, Almaty, 050040, Kazakhstan
Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Laboratory of the Flora of Higher Plants, Institute of Botany and Phytointroduction, Almaty, 050040, Kazakhstan
Molecular Genetics Laboratory
Faculty of Biology and Biotechnology
Laboratory of the Flora of Higher Plants
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