Gene rbcL
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In this study, numerous Grateloupia spp. collected from coastal Vietnam and voucher specimens were used for morphological observation and phylogenetic analyses. Both analyses for samples collected at Nha Trang reveal a new record of G. yangjiangensis. The phylogenetic trees indicated that the herbarium vouchers labeled ‘G filicina’ and ‘G. livida’ from other locations of Vietnam group to G. yinggehaiensis clade. In addition, the phylogenetic trees also showed that the unknown Grateloupia sp. recently collected from Cat Ba Island is Phyllymenia taiwanensis. Therefore, a new record, G.
12p dianmotminh02 03-05-2024 6 1 Download
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This study aimed to develop a method using DNA barcode fragments to identify the hybrid Eucalyptus UP99 and UP95. The total genomic DNA was extracted from leaf samples of UP99 and UP95 and was used to amplify the DNA barcodes (matK, rbcL, trnH-psbA, ITS and ITS2) by PCR.
11p vikissinger 21-12-2023 6 1 Download
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Bài viết Phân tích vùng gene lục lạp, rbcL, phân lập từ cây lan tai cáo (Hoya parasitica (Roxb.) Wall. ex Wight) được nghiên cứu nhằm mục đích khuếch đại và giải trình tự nucleotide của gene rbcL từ cây Lan tai cáo (H. parasitica), thiết lập cây phát sinh chủng loại, tìm kiếm chỉ thị cpDNA phục vụ định danh loài hoặc chi.
8p vimalfoy 08-02-2023 4 1 Download
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In the study "Genetic relationship analysis of Dendrobium anosmum Lindl. var. semialba based on the chloroplast matK and rbcL genes", the genetic relationship of Dendrobium anosmum Lindl. var. semialba species was determined based on the analysis of chloroplast matK, rbcL gene sequences. The matK and rbcL genes of twelve species were amplified and their DNA sequenced.chloroplast matK and rbcL genes
9p tieuvulinhhoa 22-09-2022 3 2 Download
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Among the members of Halymeniaceae family, Grateloupia sensu lato occupies the largest composition in species. Classification based on morphological traits is difficult due to the highly variable terete to blade-like thalli among the members of this genus that usually leads to misidentification. Molecular systematics has been applied to classify Grateloupia sensu lato so that the taxonomists acquire a better understanding of the species diversity in general.
13p trinhthamhodang1214 06-08-2020 8 1 Download
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The rbcL gene of the chloroplast genome is widely used as an additional data for the study of species origin, molecular evolution and phylogeny. In this study, we used the rbcL gene to separate three species of genus Stephania: S. japonica, S. polygona, S. rotunda and one subspecies S. japonica var. discolor from Vietnam. Molecular analysis was performed on 523 bp segment of the rbcL genes with 4 examined samples of the genus Stephania and 18 other genbank sequences of five genera Pachygone, Antizoma, Cissampelos, Cyclea and Syntriandrium.
7p xilank_of 22-07-2020 23 2 Download
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Huyen-sam (Vietnamese name) which belongs to Scrophularia L. genus is a valuable herb. This medicinal plant is classified as Scrophularia ningpoensis Hemsl. Huyen-sam roots, which contain a large amount of bioactive compounds, have a similar morphology to its relatives. DNA barcodes promise to be a precise and reliable tool for distinguishing the processed Huyen-sam materials from their counterfeits. However, studies about using DNA barcodes for classification of Scrophularia L. in Vietnam are not available. Here, we conducted a taxonomic analysis of eight Scrophularia L.
9p caygaocaolon1 13-11-2019 9 0 Download