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Items: 24


Author Correction: Novel Imidazole and Methoxybenzylamine Growth Inhibitors Affecting Salmonella Cell Envelope Integrity and its Persistence in Chickens.

Deblais L, Helmy YA, Kathayat D, Huang HC, Miller SA, Rajashekara G.

Sci Rep. 2019 Nov 6;9(1):16508. doi: 10.1038/s41598-019-52826-x.


Imidazole and Methoxybenzylamine Growth Inhibitors Reduce Salmonella Persistence in Tomato Plant Tissues.

Deblais L, Vrisman C, Kathayat D, Helmy YA, Miller SA, Rajashekara G.

J Food Prot. 2019 Jun;82(6):997-1006. doi: 10.4315/0362-028X.JFP-18-555.


The value of prednisolone acetate provocative test before intravitreal triamcinolone acetonide injections.

Saady AM, Fouad HM, Abdullatif AM, Helmy YAH, Macky TA, Mansour K.

Eur J Ophthalmol. 2019 Apr 12:1120672119842731. doi: 10.1177/1120672119842731. [Epub ahead of print]


Specific Environmental Temperature and Relative Humidity Conditions and Grafting Affect the Persistence and Dissemination of Salmonella enterica subsp. enterica Serotype Typhimurium in Tomato Plant Tissues.

Deblais L, Helmy YA, Testen A, Vrisman C, Jimenez Madrid AM, Kathayat D, Miller SA, Rajashekara G.

Appl Environ Microbiol. 2019 May 16;85(11). pii: e00403-19. doi: 10.1128/AEM.00403-19. Print 2019 Jun 1.


Novel narrow spectrum benzyl thiophene sulfonamide derivatives to control Campylobacter.

Deblais L, Helmy YA, Kumar A, Antwi J, Kathayat D, Acuna UM, Huang HC, de Blanco EC, Fuchs JR, Rajashekara G.

J Antibiot (Tokyo). 2019 Jul;72(7):555-565. doi: 10.1038/s41429-019-0168-x. Epub 2019 Mar 27.


The One Health Approach is Necessary for the Control of Rift Valley Fever Infections in Egypt: A Comprehensive Review.

Fawzy M, Helmy YA.

Viruses. 2019 Feb 6;11(2). pii: E139. doi: 10.3390/v11020139. Review.


Novel small molecules affecting cell membrane as potential therapeutics for avian pathogenic Escherichia coli.

Kathayat D, Helmy YA, Deblais L, Rajashekara G.

Sci Rep. 2018 Oct 17;8(1):15329. doi: 10.1038/s41598-018-33587-5.


E. coli Nissle microencapsulation in alginate-chitosan nanoparticles and its effect on Campylobacter jejuni in vitro.

Mawad A, Helmy YA, Shalkami AG, Kathayat D, Rajashekara G.

Appl Microbiol Biotechnol. 2018 Dec;102(24):10675-10690. doi: 10.1007/s00253-018-9417-3. Epub 2018 Oct 9.


Novel small molecule modulators of quorum sensing in avian pathogenic Escherichia coli (APEC).

Helmy YA, Deblais L, Kassem II, Kathayat D, Rajashekara G.

Virulence. 2018;9(1):1640-1657. doi: 10.1080/21505594.2018.1528844.


Novel Imidazole and Methoxybenzylamine Growth Inhibitors Affecting Salmonella Cell Envelope Integrity and its Persistence in Chickens.

Deblais L, Helmy YA, Kathayat D, Huang HC, Miller SA, Rajashekara G.

Sci Rep. 2018 Sep 6;8(1):13381. doi: 10.1038/s41598-018-31249-0. Erratum in: Sci Rep. 2019 Nov 6;9(1):16508.


Occurrence and distribution of Giardia species in wild rodents in Germany.

Helmy YA, Spierling NG, Schmidt S, Rosenfeld UM, Reil D, Imholt C, Jacob J, Ulrich RG, Aebischer T, Klotz C.

Parasit Vectors. 2018 Mar 27;11(1):213. doi: 10.1186/s13071-018-2802-z.


In Vitro Evaluation of the Impact of the Probiotic E. coli Nissle 1917 on Campylobacter jejuni's Invasion and Intracellular Survival in Human Colonic Cells.

Helmy YA, Kassem II, Kumar A, Rajashekara G.

Front Microbiol. 2017 Aug 22;8:1588. doi: 10.3389/fmicb.2017.01588. eCollection 2017.


A Comprehensive Review of Common Bacterial, Parasitic and Viral Zoonoses at the Human-Animal Interface in Egypt.

Helmy YA, El-Adawy H, Abdelwhab EM.

Pathogens. 2017 Jul 21;6(3). pii: E33. doi: 10.3390/pathogens6030033. Review.


Nonculturability Might Underestimate the Occurrence of Campylobacter in Broiler Litter.

Kassem II, Helmy YA, Kathayat D, Candelero-Rueda RA, Kumar A, Deblais L, Huang HC, Sahin O, Zhang Q, Rajashekara G.

Foodborne Pathog Dis. 2017 Aug;14(8):472-477. doi: 10.1089/fpd.2017.2279. Epub 2017 Jun 16.


Molecular diagnosis and characterization of Cryptosporidium spp. in turkeys and chickens in Germany reveals evidence for previously undetected parasite species.

Helmy YA, Krücken J, Abdelwhab EM, von Samson-Himmelstjerna G, Hafez HM.

PLoS One. 2017 Jun 2;12(6):e0177150. doi: 10.1371/journal.pone.0177150. eCollection 2017.


Supplementation of inactivated influenza vaccine with norovirus P particle-M2e chimeric vaccine enhances protection against heterologous virus challenge in chickens.

Elaish M, Ngunjiri JM, Ali A, Xia M, Ibrahim M, Jang H, Hiremath J, Dhakal S, Helmy YA, Jiang X, Renukaradhya GJ, Lee CW.

PLoS One. 2017 Feb 2;12(2):e0171174. doi: 10.1371/journal.pone.0171174. eCollection 2017.


Incarcerated gravid uterus through a rectal prolapse: First case report.

Hassanin IH, Helmy YA, Abbas AM, Shaaban OM, Khalaf M, Ahmed SR, Abdelkarim O.

Eur J Obstet Gynecol Reprod Biol. 2016 Sep;204:127-8. doi: 10.1016/j.ejogrb.2016.08.010. Epub 2016 Aug 12. No abstract available.


Novel Anti-Campylobacter Compounds Identified Using High Throughput Screening of a Pre-selected Enriched Small Molecules Library.

Kumar A, Drozd M, Pina-Mimbela R, Xu X, Helmy YA, Antwi J, Fuchs JR, Nislow C, Templeton J, Blackall PJ, Rajashekara G.

Front Microbiol. 2016 Apr 6;7:405. doi: 10.3389/fmicb.2016.00405. eCollection 2016.


Frequencies and spatial distributions of Cryptosporidium in livestock animals and children in the Ismailia province of Egypt.

Helmy YA, VON Samson-Himmelstjerna G, Nöckler K, Zessin KH.

Epidemiol Infect. 2015 Apr;143(6):1208-18. doi: 10.1017/S0950268814001824. Epub 2014 Aug 1.


Epidemiology of Giardia duodenalis infection in ruminant livestock and children in the Ismailia province of Egypt: insights by genetic characterization.

Helmy YA, Klotz C, Wilking H, Krücken J, Nöckler K, Von Samson-Himmelstjerna G, Zessin KH, Aebischer T.

Parasit Vectors. 2014 Jul 11;7:321. doi: 10.1186/1756-3305-7-321.


Comparison between two commercially available serological tests and polymerase chain reaction in the diagnosis of Cryptosporidium in animals and diarrhoeic children.

Helmy YA, Krücken J, Nöckler K, von Samson-Himmelstjerna G, Zessin KH.

Parasitol Res. 2014 Jan;113(1):211-6. doi: 10.1007/s00436-013-3645-3. Epub 2013 Nov 13.


Molecular epidemiology of Cryptosporidium in livestock animals and humans in the Ismailia province of Egypt.

Helmy YA, Krücken J, Nöckler K, von Samson-Himmelstjerna G, Zessin KH.

Vet Parasitol. 2013 Mar 31;193(1-3):15-24. doi: 10.1016/j.vetpar.2012.12.015. Epub 2012 Dec 20. Erratum in: Vet Parasitol. 2014 Aug 29;204(3-4):445.


Prevalence and characteristics of female sexual dysfunction in a sample of women from Upper Egypt.

Hassanin IM, Helmy YA, Fathalla MM, Shahin AY.

Int J Gynaecol Obstet. 2010 Mar;108(3):219-23. doi: 10.1016/j.ijgo.2009.09.031. Epub 2009 Dec 14.


Psychiatric morbidity following hysterectomy in Egypt.

Helmy YA, Hassanin IM, Elraheem TA, Bedaiwy AA, Peterson RS, Bedaiwy MA.

Int J Gynaecol Obstet. 2008 Jul;102(1):60-4. doi: 10.1016/j.ijgo.2008.02.007. Epub 2008 Apr 2.


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