نتایج جستجو برای: matk

تعداد نتایج: 709  

2015
Ida Hartvig Mihaly Czako Erik Dahl Kjær Lene Rostgaard Nielsen Ida Theilade Helge Thorsten Lumbsch

The genus Dalbergia contains many valuable timber species threatened by illegal logging and deforestation, but knowledge on distributions and threats is often limited and accurate species identification difficult. The aim of this study was to apply DNA barcoding methods to support conservation efforts of Dalbergia species in Indochina. We used the recommended rbcL, matK and ITS barcoding marker...

Journal: :American journal of botany 2004
David A Baum Stacey Dewitt Smith Alan Yen William S Alverson Reto Nyffeler Barbara A Whitlock Rebecca L Oldham

Previous molecular phylogenetic analyses have revealed that elements of the former families Malvaceae sensu stricto and Bombacaceae together form a well-supported clade that has been named Malvatheca. Within Malvatheca, two major lineages have been observed; one, Bombacoideae, corresponds approximately to the palmate-leaved Bombacaceae, and the other, Malvoideae, includes the traditional Malvac...

2015
Jian-Qiang Zhang Shi-Yong Meng Jun Wen Guang-Yuan Rao

DNA barcoding, the identification of species using one or a few short standardized DNA sequences, is an important complement to traditional taxonomy. However, there are particular challenges for barcoding plants, especially for species with complex evolutionary histories. We herein evaluated the utility of five candidate sequences - rbcL, matK, trnH-psbA, trnL-F and the internal transcribed spa...

2015
Maslin Osathanunkul Chatmongkon Suwannapoom Sarawut Ounjai Jantarika A. Rora Panagiotis Madesis Hugo de Boer Massimo Labra

DNA barcoding coupled high resolution melting (Bar-HRM) is an emerging method for species discrimination based on DNA dissociation kinetics. The aim of this work was to evaluate the suitability of different primer sets, derived from selected DNA regions, for Bar-HRM analysis of species in Croton (Euphorbiaceae), one of the largest genera of plants with over 1,200 species. Seven primer pairs wer...

2014
Stalin Nithaniyal Steven G. Newmaster Subramanyam Ragupathy Devanathan Krishnamoorthy Sophie Lorraine Vassou Madasamy Parani Arndt von Haeseler

BACKGROUND India is rich with biodiversity, which includes a large number of endemic, rare and threatened plant species. Previous studies have used DNA barcoding to inventory species for applications in biodiversity monitoring, conservation impact assessment, monitoring of illegal trading, authentication of traded medicinal plants etc. This is the first tropical dry evergreen forest (TDEF) barc...

2010
Shilin Chen Hui Yao Jianping Han Chang Liu Jingyuan Song Linchun Shi Yingjie Zhu Xinye Ma Ting Gao Xiaohui Pang Kun Luo Ying Li Xiwen Li Xiaocheng Jia Yulin Lin Christine Leon

BACKGROUND The plant working group of the Consortium for the Barcode of Life recommended the two-locus combination of rbcL+matK as the plant barcode, yet the combination was shown to successfully discriminate among 907 samples from 550 species at the species level with a probability of 72%. The group admits that the two-locus barcode is far from perfect due to the low identification rate, and t...

Journal: :Molecular ecology resources 2009
Newmaster Steven G Ragupathy Subramanyam

Acacia species are quite difficult to differentiate using morphological characters. Routine identification of Acacia samples is important in order to distinguish invasive species from rare species or those of economic importance, particularly in the forest industry. The genus Acacia is quite abundant and diverse comprising approximately 1355 species, which is currently divided into three subgen...

2016
Yan-Yan Guo Lai-Qiang Huang Zhong-Jian Liu Xiao-Quan Wang Shilin Chen

Orchidaceae are one of the largest families of flowering plants, with over 27,000 species described and all orchids are listed in CITES. Moreover, the seedlings of orchid species from the same genus are similar. The objective of DNA barcoding is rapid, accurate, and automated species identification, which may be used to identify illegally traded endangered species from vegetative specimens of P...

2015
Abubakar Bello Barnabas H. Daru Charles H. Stirton Samson B. M. Chimphango Michelle van der Bank Olivier Maurin A. Muthama Muasya

Large-scale DNA barcoding provides a new technique for species identification and evaluation of relationships across various levels (populations and species) and may reveal fundamental processes in recently diverged species. Here, we analysed DNA sequence variation in the recently diverged legumes from the Psoraleeae (Fabaceae) occurring in the Cape Floristic Region (CFR) of southern Africa to ...

هدف از این تحقیق، بررسی موقعیت تاکسونومیکی و تبارزایی قبیله Mentheae با تاکید بر گیاه دارویی مورخوش با نام علمی .Zhumeria majdae Rech. F. & Wendelbo با استفاده از توالی‌یابی ژن کلروپلاستی matk می‌باشد، گیاه مورخوش متعلق به تیره نعناع و از گونه‌های‌ انحصاری استان هرمزگان می‌باشد. در طب سنتی از عصاره گیاه مورخوش جهت درمان ناراحتی‌های گوارشی، اسهال، نفخ، دل درد، ترشی معده، سوزش معده، رفع ...

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