Search Results

You are looking at 1 - 10 of 917 items for :

  • polymorphism x
Clear All
Free access

Salih Kafkas, Sezai Ercişli, Yıldız Doğan, Yaşar Ertürk, Ayhan Haznedar and Remzi Sekban

prerequisite for future breeding and crop improvement programs. More recently, attention has been focused on the use of different DNA molecular markers to discriminate among tea germplasms such as restriction fragment length polymorphism [RFLP ( Kaundun and

Free access

Pan-Hui Huang, Wen-Bin Yu, Jun-Bo Yang, Hong Wang and Lu Lu

were studied ( Table 1 ). The primer pairs revealing polymorphism in P. rex were further investigated for cross-species amplification in its sister species P. thamnophila (Hand.-Mazz.) H.L.Li ( Ree, 2005 ; Yang et al., 1998 ), which is also endemic

Free access

Wei Zhou, Hong Wang, De-Zhu Li, Jun-Bo Yang and Wei Zhou

populations exhibited particular geographic distribution patterns with the former occurring in the east and west zones of the latter. The polymorphism of both the sexual system and the population composition within the species provided an ideal system to study

Free access

Hai-fei Yan, Xue-jun Ge, Chi-ming Hu and Gang Hao

loci are powerful markers for studies of population genetics because of their high polymorphism, codominant transmission, and presumably neutral and extensive genome coverage ( Powell et al., 1996 ). We report the isolation and characterization of a set

Free access

Kang Hee Cho, Jung Ho Noh, Seo Jun Park, Se Hee Kim, Dae-Hyun Kim and Jae An Chun

relationships ( Castro et al., 2012 ; Guo et al., 2012 ; This et al., 2004 ). Simple sequence repeats (SSR) markers provide excellent DNA fingerprinting methods because of their codominant Mendelian inheritance, high degree of polymorphisms, and abundance in

Free access

Hussam S.M. Khierallah, Saleh M. Bader, Michael Baum and Alladin Hamwieh

Saaidi, 1988 ; Bendiab et al., 1998 ; Majourhat et al., 2002 ; Ould Salem Mohamed et al., 2001 ). As such, analysis does not reflect precisely that polymorphisms occurred ( Al-Jibouri and Adham, 1990 ). DNA marker analysis in date palm is recently in

Free access

Sheng-Xi Liao, Xian-Jie Mi, Ai-Zhong Liu, Kun Li, Zhen-Yin Yang and Bo Tian

genetic research in Chinese Incense-cedar using the protocol of the fast isolation by amplified fragment length polymorphism (AFLP) of sequences containing repeats ( Zane et al., 2002 ). Genomic DNA samples were extracted from dry leaf tissue, which was

Free access

Antar Nasr El-Banna, Mohammed Elsayed El-Mahrouk, Mohammed Eraky El-Denary, Yaser Hassan Dewir and Yougasphree Naidoo

base sequences, number of amplified bands, number of polymorphic bands, and polymorphism percentages for the ornamental palms analyzed. Data analysis. Amplification profiles generated by all the different RAPD primers as well as protein bands (three

Full access

Kang Hee Cho, Seo Jun Park, Su Jin Kim, Se Hee Kim, Han Chan Lee, Mi Young Kim and Jae An Chun

fragment length polymorphisms, single sequence repeats (SSRs), and inter simple sequence repeats (ISSRs) for DNA fingerprinting. The choice of a DNA marker depends on the scale and purpose of cultivar identification; several different DNA marker types have

Free access

W. Sun and J. L. Brewbaker

The Leguminous Leucaena including 15 species, of which several have become pantropical as fodder, fuelwood, shade and ornamental trees. 160 collections of 12 Leucaena species, including 3 tetraploids and 9 diploids, were analyzed for six isozyme systems. Extensive inter and intraspecific variability was detected using cotyledon tissues. The uniformity of isozymic expression in 80 collections of the “common leucaena” from all over the world supported the hypothesis that it is a single self-pollinated variety. It was first distributed to the Philippines from Mexico in late 1500s, then spread worldwide. ACO polymorphism appeared to be controlled by three loci ACO1, ACO2, ACO3 and IDH by two loci IDH1, IDH2 in L. lanceolata. Peroxidase polymorphism was early shown to involve 4 loci, PX1-PX4. Polymorphism in these loci was applied to clarify phylogeny of the Leucaena ssp. and hybrids (>60 made in Hawaii), that are growing in the Waimanalo Sta. of UH.