نتایج جستجو برای: trnl f
تعداد نتایج: 306070 فیلتر نتایج به سال:
A phylogenetic study of the Opopanax and Crenosciadium was conducted to elucidate their circumscription infrageneric relationships. Sequence data from nrDNA ITS, cpDNA matK trnL-F were used determine relationship. Polymerase Chain Reaction (PCR) amplifications all regions performed using universal primers. Maximum Likelihood (ML) trees constructed PAUP* software, another tree ITS sequences show...
ایران به عنوان بخشی از منطقه ی هلال حاصلخیزی، از مراکز مهم پیدایش و تنوع یابی گیاهان طایفه ی triticeae است. بنابراین مطالعات فیلوژنتیک تاکسون های این طایفه، در این منطقه می تواند اطلاعات مفیدی در مورد منشأ پیدایش این گیاهان از جمله گونه ی triticum aestivum به دست دهد. در این مطالعه تنوع بالای ژنتیک و روابط فیلوژنتیک گونه های دارنده ی ژنوم d خویشاوند گندم متعلق به ایران با استفاده از مطالعه ی سی...
Melilotus, an annual or biennial herb, belongs to the tribe Trifolieae (Leguminosae) and consists of 19 species. As an important green manure crop, diverse Melilotus species have different values as feed and medicine. To identify different Melilotus species, we examined the efficiency of five candidate regions as barcodes, including the internal transcribed spacer (ITS) and two chloroplast loci...
The internal transcribed spacers (ITS) of the nuclear ribosomal DNA and trnL-F region of the chloroplast DNA were sequenced for all ten species of Chloranthus and the outgroup Sarcandra (Chloranthaceae). Parsimony analyses of separate and combined data sets strongly suggest that Chloranthus is monophyletic and can be divided into two major clades: one containing C. erectus, C. spicatus, C. serr...
Molecular Phylogeny of Asian Meconopsis Based on Nuclear Ribosomal and Chloroplast DNA Sequence Data
The taxonomy and phylogeny of Asian Meconopsis (Himalayan blue poppy) remain largely unresolved. We used the internal transcribed spacer (ITS) region of nuclear ribosomal DNA (nrDNA) and the chloroplast DNA (cpDNA) trnL-F region for phylogenetic reconstruction of Meconopsis and its close relatives Papaver, Roemeria, and Stylomecon. We identified five main clades, which were well-supported in th...
The genus Crinum L. is the only pantropical genus of the Amaryllidaceae. Phylogenetic and biogeographical analyses of nrDNA ITS and plastid trnL-F sequences for all continental groups of the genus Crinum and related African genera are presented, with the genus Amaryllis used as outgroup. ITS indicates that C. baumii is more closely related to Ammocharis and Cybistetes than to Crinum sensu stric...
BACKGROUND AND AIMS The phylogenetic relationships between species of Coffea and Psilanthus remain poorly understood, owing to low levels of sequence variation recovered in previous studies, coupled with relatively limited species sampling. In this study, the relationships between Coffea and Psilanthus species are assessed based on substantially increased molecular sequence data and greatly imp...
BACKGROUND Species identification of living organisms by standard DNA sequences has been well-accepted. Consortium for the Barcode of Life (CBOL) recommends chloroplast regions rbcL and matK as the DNA barcodes for the land plants. This study aims to evaluate the feasibility and limitations of rbcL, matK, and 5 other commonly used regions as the DNA barcodes for the medicinal Gentiana and their...
UNLABELLED Mango (>Mangifera indica) belonging to Anacardiaceae family is a fruit that grows in tropical regions. It is considered as the King of fruits. The present work was taken up to identify a tool in identifying the mango species at the molecular level. The chloroplast trnL-F region was amplified from extracted total genomic DNA using the polymerase chain reaction (PCR) and sequenced. Seq...
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