12 articles in this issue
EMAN M. FAHMY,NERMIN M. ABD EL-GAWAD,I. H. EL-GEDDAWY,O. M. SALEH,NASRA M. EL-AZAB
ugar amounts of cane represent 72% of the world production of crystallized sugar (FAO, 1999). In Egypt, sugarcane crop is one of the important industrial crops and it is the main source of sugar production. Moreover, it is widely used in Egypt for fresh j... see more
A. ASHOUB,MERVAT M. M. EL FAR
The coat protein gene and the 3' non-coding region of sweet potato feathery mottle virus, SPFMV, isolated from Egypt was subjected to reverse transcriptional polymerase chain reaction, RT-PCR, cloned and applied to sequence analysis. The 1164 nucleotides ... see more
A. ASHOUB,MERVAT M. M. EL FAR,D. PRÜFER,T. NASR EL-DIN
Sensitive analytic techniques including double antibody sandwich enzyme linked immunosorbent assay (DAS-ELISA), direct ELISA, dot ELISA and reverse transcription polymerase chain reaction (RT-PCR) were compared and evaluated for their capability to reliab... see more
H. E. ELSAIED
A first molecular genetic study was done on the diversity of archaeal communities in two sites, Bashtir and Genka, of the Manzala Lake, Egypt, based on culture-independent 16S rRNA gene analysis. Bulk microbial DNAs were extracted from surface water and s... see more
A. M. ABD ELMAKSOUD,M. S. HAMADA,A. M. EL-ADL,A. O. BASTAWISI,R. A. EL-NAMAKY
Explanation of heterosis between Indica and Japonica subspecies of rice (Oryza sativa L.) has been reported, but for a long time, this heterosis has not been directly utilized because of the associated effects of high sterility in F1 and poor filling of s... see more
M. R. ANOUS,M. A. RASHED,H. R. MOTAOA,M. H. SADEK,Y. M. SAAD,M. A. OSMAN,E. M. SHATH
Blood samples were collected from 63 females, taken from three Egyptian goat breeds, by vacutainer glass tubes which contain disodium EDTA (EDTANa2) as anticoagulant reagent. Twentytwo does from the Barki breed, 21 from the Baladi breed and 13 and 7 proli... see more
FATTHY M. ABDEL-TAWAB,A. ABO-DOMA,S. H. EDRIS
Semi quantitative RT-PCR protocol was optimized in our laboratory to extract mRNA from drought stressed and control plants of two wheat cultivars and to measure the expression levels of several target mRNAs from each sample. In this investigation dehydrin... see more
AMAL A. AZIZ,Y. M. MABROUK,E. M ESSA,A. Y. EL-METAINY,A. Y. ABOU-YOUSSEF
A land race of sunflower (Helianthus annuus L.) collected from Burg-el-Arab region; 70 km west of Alexandria city, was used in the present study. Achene samples were treated with EMS (0.2% for 3.5 hours), then tolerant genotypes were selected (intensity o... see more
E. A. METRY,S. Z. EL-AGAMY
Nine putative transformed potato lines resistant to potato virus Y (PVY) were successfully micropropagated in vitro using nodal cutting technique on MS salts medium. Adaptation and acclimatization of the transgenic potato lines were carried out in the Bio... see more
AHLAM A. ABOU MOSSALLAM,EMAN R. MAHFOUZ,MONA A. BIBARS,JANOS ZSAMBOKI,SOHEIR M. EL NAHAS
Two ß-Defensin antimicrobial peptides namely bovine neutrophil ß- defensin 5 and 10 (BNBD5 and BNBD10) were investigated in Native and Frisian crossbred cattle reared in Egypt. The two antimicrobial peptides were tested for reaction with cDNA of various c... see more
E. A. METRY,GIHAN M. EL MOGHAZY,M. S. MASOUD,M. H. YOUSSEF,T. A. OMAR,T. YEHYA,S. A. MAHFOUZ,A. M. SHOKRY,M. F. EMARA,A. S. HAMZA,T. M. NASR EL-DIN,HANAYIA. A. EL-ITRIBY
The present study was designed to estimate the substantial equivalence of genetically modified (GM) potato Spunta lines (SpG2, SpG3 and Sp6A-3) with the cry1Ic1 gene compared to conventional non-transgenic potato Spunta cultivar (control group) through ra... see more
K. ATTIA,M. E. EL-DENARY,M. H. EL-MALKEY,F. A. AMR,M. H. AMMAR,A. A. EMERAN,M. E. WAGIH
In this study the first manifestation of ectopic expression of a cDNA encoding the second RNA-recognition motif (RRM2) is shown to play an essential role in determining grain mass in the transgenic rice lines. The RRM2 gene activity resulted in grain size... see more