14 articles in this issue
A. H. M. IBRAHIM,J. G. H. HICKFORD
Using genetic markers can aid identifying those animals with the highest values for economically important traits in sheep. The current study was designed to detect the allelic and genotypic polymorphisms of the intron 1 of myostatin gene and to test thei... see more
M. A. EL-AWADY,A. A. HAMED
Bean rust, caused by Uromyces appendiculatus (Pers.) Unger, is an important disease in both temperate and tropical bean production regions. Twenty two genotypes of snap bean (Phaseolus vulgaris L.) were collected and screened for resistance to bean rust d... see more
G. M. HASSAN,Z. A. EL-FEKY,E. A. EISSA,A. T. AHMED
The aim of the present study was to identify and compare the variations among clinical of P. multocida isolates originating from different hosts, sheep (n = 4), buffalo (n = 4) and cattle (n = 4). These isolates were obtained from various locations in the... see more
M. A. ABDEL-RAHMAN,M. E. EL-DENARY,M. H. AMMA,A. F. ABDELKHALIK,A. E. DRAZ,S. A. DORA
High yielding rice genotypes with high N use efficiency is very important for agriculture sustainability. The study aimed to validate QTLs linked to grain yield (GY) and Nitrogen Use Efficiency (NUE) related-traits using association analysis and single ma... see more
A. N. EL-BANNA,I. A. KATTAB,MONA A. FARID
With the objective of identifying restorers and maintainers, to identify fertility restoration linked markers that can distinguish cytoplasmic sources and restorer lines, four male sterile and fertile counterparts of Cytoplasmic Male Sterile (CMS) lines a... see more
M. REHAN,AML EL-SHARKAWY,AMIRA EL-KEREDY,G. EL-FADLY
Striazine compounds consider as herbicides for the control of broadleaf weeds in corn, sorghum and sugarcane crops in agriculture. Striazines metabolism initiate via a dechlorination reaction catalyzed by atrazine chlorohydrolase or amidohydrolase (TrzN/A... see more
M. S. MEGEED,OLA A. GALAL,M. M. ABDEL-RAZEK
Two natural populations of Zaprionus indianus; collected from two different cities in Kafr El-Sheikh governorate, Egypt, were analyzed for esterase variability in comparison with natural population of both of D. melanogaster and D. simulans. Drosophila me... see more
REHAM M. ABD EL-AZEEM,M. H. HASHEM,S. H. M. ABD-EL-HALEEM
Information on germplasm variability and relationships among elite materials is fundamentally important in crop improvement. In this study, genetic variability of 11 maize genotypes, three testers [Giza 1, Single cross 10 (S.C.10) and Three ways cross 310... see more
A. A. ALI,AZIZA A. ABOULILA,FATMA F. ELNAGAR
The effect of different doses of gamma irradiation on cytogenetic and biochemical characters was studied in two Egyptian cultivars of garlic (Balady and Sids-40). Identification of DNA polymorphism among the treatments through a Randomly Amplified Polymor... see more
M. A. H. YOUSSEF,H. A. M. MAHGOUB
The present investigation was carried out to study the effect of altitudinal gradients on genetic and phytochemicals contents of three medicinal plant species belong to family Labiatae (Nepeta septemcrenata, Ballota undulata and Teucrium polium) in Saint ... see more
A. S. EL-SEEDY
To date, more than 200 sequence polymorphisms have been identified in the CFTR gene thus far and only a minority has been characterized at the cellular localization and the protein levels. In previous studies, molecular genetic analysis of the entire codi... see more
MARWA M. SHEHATA,LAMYAA M. SAYED,FATMA M. BADAWY,EMAN M. FAHMY
Five Molecular genetics techniques (RAPD, ISSRs, IRAP, REMAP and RRAP) were used to study the genetic diversity in five yeast strains and six barley cultivars. New two retrotransposon-based primers (ScM1 and ScM2) were designed. RAPD technique represented... see more
LAMYAA M. SAYED,M. F. MAKLAD
Citrus L. genus includes several of the most important world’s fruit crops, such as oranges, lemons, limes, mandarins, grapefruits, pummelos and kumquats. In this respect, the present study was to determine the genetic relationship of some Citrus species,... see more
AZZA MAKHLOUF,AMIRA A. EL KEMANY,A. S. RIAD,Y. A. ABOU-YOUSSEF
Thirty three local soil samples were collected from Westward till Sewa Oasis in Egypt to search novel isolates of Bacillus thuringiensis (Bt) and evaluate their toxic potentiality to overcome the serious problem of evolved resistance by insects to the pes... see more