نتایج جستجو برای: issr

تعداد نتایج: 1940  

2013
Shabana Parveen M. S. Saharan Ajay Verma

Karnal bunt of wheat, caused by Tilletia indica Mitra is an important disease prevalent in several countries. The pathogen due to its heterothallic nature shows high variability. In the present study, genetic relationships among ten isolates of T.indica collected from different locations of India and 15 monosporidial lines raised from these isolates were investigated by using 34 RAPD and 28 ISS...

2018
Sanghamitra Samantaray Umakanta Ngangkham

Chlorophytum borivilianum is a traditional medicinal plant distributed throughout the trop‐ ics and subtropics. In the present investigation, RAPD and ISSR analyses were used to assess the genetic diversity among 21 accessions collected from different geographical regions of India using 20 RAPD primers and 6 ISSR primers. RAPD and ISSR primers revealed 92.26% and 82.76% polymorphism, respective...

Journal: :Genetics and molecular research : GMR 2012
P Khajudparn T Prajongjai O Poolsawat P A Tantasawat

Mungbean improvement via hybridization requires the identification of true F(1) hybrids from controlled crosses before further generations of selfing/crossing and selection. We utilized inter-simple sequence repeat (ISSR) markers for identifying putative F(1) hybrids from six cross combinations whose morphological characteristics were very similar to those of their respective female paren...

2012
Y. M. Saad M. A. Rashed A. H. Atta

Inter-simple sequence repeat (ISSR) analysis was used to develop fish species-specific molecular markers for four Tilapia species (Oreochromis niloticus, Oreochromis aureus, Tilapia zillii and Sarotherodon galilaeus). 12 ISSR primers were tested to assess the effectiveness of ISSR analysis in discriminating among the four applied fish species. Some ISSR markers were detected as species-specific...

2015
JAGESH KUMAR TIWARI SHAUMAYA SAURABH POONAM CHANDEL BIR PAL SINGH VINAY BHARDWAJ

Genetic and epigenetic changes (DNA methylation) in the mother plants of somatic hybrids (1st cycle) and their regenerants (30th cycles sub-cultured) were analyzed using methylation-sensitive ISSR and RAPD markers. ISSR and RAPD profiles and their cluster analyses based on the Jaccard’s similarity coefficient revealed 100% genetic similarity among the mother plant and their regenerants. While f...

2016
Ashutosh Kumar Verma Sunita Singh Dhawan Seema Singh Kumar Avinash Bharati Jyotsana

BACKGROUND Gymnema sylvestre, a vulnerable plant species, is mentioned in Indian Pharmacopeia as an antidiabetic drug. OBJECTIVE Study of genetic and chemical diversity and its implications in accessions of G. sylvestre. MATERIALS AND METHODS Fourteen accessions of G. sylvestre collected from Central India and assessment of their genetic and chemical diversity were carried out using ISSR (i...

Journal: :Genetics and molecular research : GMR 2012
Z Noormohammadi H Samadi-Molayousefi M Sheidai

Wild olive (O. europaea ssp cuspidata) plants grow in various regions of Iran and are expected to have considerable genetic diversity due to adaptation to the various environmental conditions. We examined the genetic diversity of four populations of wild olive growing in Hormozgan Province located in southern Iran by using 30 RAPDs and 10 ISSR markers. The mean value of polymorphism for RA...

Journal: :Genetics and molecular research : GMR 2014
X Zhang F Zhang H Zhao Z Guan S Chen J Jiang W Fang F Chen

In this study, inter-simple sequence repeats (ISSRs) and sequence-related amplified polymorphism (SRAP) were applied to assess the genetic diversity in 38 species of Chrysanthemum and related genera. A total of 204 and 567 bands were amplified by 24 ISSR and 25 SRAP primers, of which 196 (97%) and 557 (99%) were polymorphic, respectively. The ISSR-based genetic similarity ranged from 0.016 to 0...

Journal: :FEMS microbiology letters 2007
A Ravi Kumar V Sathish G Balakrish Nair J Nagaraju

The utility of inter simple sequence repeat-PCR (ISSR-PCR) assay in the characterization and elucidation of the phylogenetic relationship between the pathogenic and nonpathogenic isolates of Vibrio cholerae is demonstrated. A total of 45 V. cholerae strains including 15 O1 El Tor, nine O139 and 21 non-O1/non-O139 strains were analyzed using eight ISSR primers. These primers, which are essential...

Journal: :Genetics and molecular research : GMR 2014
M A Mahmoud H M Ali A R M El-Aziz M R Al-Othman A S Al-Wadai

Twelve species from six fungal genera were found to be associated with corn (Zea mays L.) grain samples collected from three main regions of Saudi Arabia. The average frequencies of the most common genera were Aspergillus (11.4%), Fusarium (9.5%), Penicillium (5.1%), and Alternaria (5.8%). Fifteen isolates of Aspergillus flavus were screened by HPLC for their ability to produce aflatoxins (AF)....

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