@article { author = {Bamidele, Akinsanya and Pentho, Kuton , and Kayode, Saliu and Lambe, Oyebola and David, Ukwa}, title = {Condition factor and gastrointestinal parasitic fauna of three fish species as stress indicators in lekki lagoon, Lagos, Nigeria.}, journal = {Egyptian Academic Journal of Biological Sciences, E. Medical Entomology & Parasitology}, volume = {7}, number = {1}, pages = {1-13}, year = {2015}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0783}, eissn = {2090-0856}, doi = {10.21608/eajbse.2015.14489}, abstract = {Host condition factor and Gastrointestinalprotozoa and helminth parasites in Synodontis clarias, Synodontisfilamentosus and Chrysichthysnigrodigitatus in Lekki lagoon, Lagos,Nigeria were investigated from September, 2014 to February, 2015. Eighty specimens each of both  Synodontis clarias and Chrysichthys nigrodigitatus and fifty of  Synodontis  filamentosus   were examinedfrom  Lekki lagoon and dissected for parasitological investigationThe. Condition factors of all individual fishes were determined. Mediancondition (K < 1.41 and K > 1.41) for Synodontis clarias, (K <2.14 and K > 2.14) for Synodontis filamentosus and (K < 1.49 and K> 1.49) for Chrysichthys nigrodigitatus were used in grouping the individuals. Heterogeneous infection of intestinal protozoain C. nigrodigitatus were greater among the low condition individuals; 0.18 compared to high condition individuals with 0.10. This also aplies to S.clarias, low condition individuals; 0.28, while high condition individualshad infection rate of 0.13. S. filamentosus showed a different trend,the rate of infection were greater among the high condition individuals; 0.15,compared to low condition of 0.10. The rate of infection of parasitic helminthsin C. nigrodigitatus, S. clarias and S. filamentosus werehigher among low condition individuals compared to high condition individuals.High condition individuals of the fish species harbor more parasites than lowcondition individuals. Infected individuals of low condition factor (K <1.49) of C. nigrodigitatus had a greater histopathological alteration index (HAI,12.0) compared to the high condition individuals (HAI, 6.0). These individualshad from mild to severe ulceration of the mucosa and congestion of the bloodvessels. In infected individuals of low condition factor (K < 1.41), (K <2.14) of S. clarias and S . filamentosus,there were mucosal edema and haemorrhage in their intestinal walls. They alsohad greater histopathological alteration index (HAI, 24.0), (HAI, 18.0)compared to the high condition individuals (HAI, 10.0) and (HAI, 4.0)respectively.  These lowcondition infected individuals in the population are multi-stressed and haveshowed significant pathological responses in their tissues.}, keywords = {Condition factor,Intestinal helminths,protozoa,Histopathological alteration index}, url = {https://eajbse.journals.ekb.eg/article_14489.html}, eprint = {https://eajbse.journals.ekb.eg/article_14489_31cd5139b0db9a626ed060c0a4999c46.pdf} } @article { author = {Abdelsater, Nasser and Fouda, Maged and Moustafa, Mohsen}, title = {Hemolymph Responses of The Xanthid Crab Actaea hirsutissima to Rhizocephalan Sacculina ignorata From Hurghada, Red Sea}, journal = {Egyptian Academic Journal of Biological Sciences, E. Medical Entomology & Parasitology}, volume = {7}, number = {1}, pages = {15-23}, year = {2015}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0783}, eissn = {2090-0856}, doi = {10.21608/eajbse.2015.14491}, abstract = {The effect of parasitic invasion by the Rhizocephala Sacculina ignorata on brachyuran crabs Actaea hirsutissima was studied. The organic constituents (glucose, total proteins, albumin, triglycerides and cholesterol) of the haemolymph of the infected and normal crab Actaea hirsutissima were estimated. A significant reduction in serum protein and albumin was observed in parasitized individuals; while serum glucose, cholesterol and triglycerides concentrations were significantly increased. Parasitism by S. ignorata dramatically affects the serum chemistry of infected crabs. T-test values were statistically highly significant between healthy and infected specimens. }, keywords = {Organic constituents,Actaea hirsutissima,Sacculina ignorata}, url = {https://eajbse.journals.ekb.eg/article_14491.html}, eprint = {https://eajbse.journals.ekb.eg/article_14491_07fda2ac619e2884b694761d1dfede59.pdf} } @article { author = {Al-barzinjy, Zubaidah}, title = {Molecular Identification of Entamoeba histolytica Using RAPD Markers}, journal = {Egyptian Academic Journal of Biological Sciences, E. Medical Entomology & Parasitology}, volume = {7}, number = {1}, pages = {25-29}, year = {2015}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0783}, eissn = {2090-0856}, doi = {10.21608/eajbse.2015.14493}, abstract = {The aim of this study to isolate and identified of Entamoeba histolytica from isolated from patients and study the genetic diversity among these isolates by using RAPD. Collected 20 samples from 7samples were isolated. Entamoeba histolytica isolates were characterized depending on its morphological, then extracted DNA from its. RAPD markers randomly banding with sites of genome where the primer NPN-07 achieved discriminative power (19.1) and 43 bands, The dendrogram of RAPD was reverted than isolates number 5 and 7 had the great genetic diversity 0.33361 while the isolates number 5 and 6 had the lowest genetic similarity 0.98521.}, keywords = {Entamoeba histolytica,Genetic diversity,RAPD}, url = {https://eajbse.journals.ekb.eg/article_14493.html}, eprint = {https://eajbse.journals.ekb.eg/article_14493_30cb5a048f4f23c62479dee810576ec6.pdf} }