Výsledky vyhledávání - "D. E. El-Hadedy"

Akademický článek

Streptomyces lavendulae Protease Inhibitor: Purification, Gene Overexpression, and 3-Dimensional Structure

Autor: D. E. El-Hadedy, El-Sayed E. Mostafa, Moataza M. Saad

Publikováno v: Journal of Chemistry, Vol 2015 (2015)

Protease inhibitors trypsin (STI1, Streptomyces trypsin inhibitor 1) has been identified, purified by ammonium sulfate precipitation and Sephadex G-100 gel filtration. SDS-PAGE of protease inhibitor showed molecular weight of approximately 10 KDa. PC

Externí odkaz: https://doaj.org/article/e2ecc22417a2496db0426989af8d6bb7

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l-Methioninase from some Streptomyces isolates I: Isolation, identification of best producers and some properties of the crude enzyme produced

Autor: H.H. Elshikh, D. E. El-Hadedy, Mohsen Helmy Selim, Mohamed Abdelraof, E. Eliwa, M.M. Saad

Publikováno v: Journal of Genetic Engineering and Biotechnology, Vol 13, Iss 2, Pp 129-137 (2015)
Journal of Genetic Engineering & Biotechnology

Among 60 isolates of Streptomyces tested; only 40 isolates were capable to utilize l-methionine as the only source of nitrogen in medium. In addition, 24 of these isolates could grow in medium amended with l-methionine as a source of nitrogen and car

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c9921f7f6c1cace28515c18c577fb98
http://www.sciencedirect.com/science/article/pii/S1687157X15000323

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Cloning of nis gene and Nisin purification from Lactococcus lactis subsp. lactis Fc2

Autor: Eman W. El-gammal, D. E. El-Hadedy

Publikováno v: African Journal of Biotechnology. 13:4711-4719

The present study was focused on nisin produced by Lactococcus lactis subsp. lactis (Fc2 isolate). The isolate was identified by 16S rRNA using specific universal primer. The obtained cell-free supernatant inhibits the growth of Listeria monocytogene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09d609551f28253b9978a647da39196a
https://doi.org/10.5897/ajb2014.13960

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Isolation of clt Genes Encoding milk clotting enzyme and characterization of milk clotting enzyme from new isolate Streptomyces pseudogriseolusNRC-15

Autor: D. E. El-Hadedy, El-Sayed M. E. Mostafa, Mohsen H. Selim, Moataza M. Saad

Publikováno v: American Journal of Biotechnology and Molecular Sciences. 3:8-23

Research focused on isolation and characterization on new strain of Streptomyces pseudogrisiolus from Egyptian soil have proteinases which possesses activity (MCE) identified by 16S rRNA with universal primer and submit in genbank with accession numb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::041d1717e677f860d4699d3fd4573aa7
https://doi.org/10.5251/ajbms.2013.3.1.8.23

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Synthesis, Characterization and Antibacterial Activity of Ag/PVA Nanocomposite

Autor: G. A. Meligi, D. E. El-hadedy, T. A. Afify, H. H. Saleh

Publikováno v: Journal of Scientific Research. 5:151-160

Synthesis and characterization of Ag/PVA nanocomposite and comparison of its anti-bacterial activity with bacteriocin (nisin) for some pathogenic bacteria was carried out. Applications of the bacteriocin include dental care products, pharmaceutical p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8940536c960837a0c87c3cb1bb3254ea
https://doi.org/10.3329/jsr.v5i1.11828

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Combined effect of cadmium, lead, and UV rays on Bacillus cereus using comet assay and oxidative stress parameters

Autor: D E El-Hadedy, Sawsan M El-Sonbaty

Publikováno v: Environmental Science and Pollution Research. 22:3400-3407

Exposure to environmental chemicals and oxidative stress particularly at low dose levels may produce additive or synergistic interactions not seen in single component exposure. Exposure to cadmium, lead, and ultraviolet rays occurs in many occupation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::891e819103dfab3621be6fe2a0bef6ef
https://doi.org/10.1007/s11356-012-1250-0

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Streptomyces lavendulae Protease Inhibitor: Purification, Gene Overexpression, and 3-Dimensional Structure

Autor: Moataza M. Saad, El-Sayed M. E. Mostafa, D. E. El-Hadedy

Publikováno v: Journal of Chemistry, Vol 2015 (2015)

Protease inhibitorstrypsin (STI1, Streptomyces trypsin inhibitor 1) has been identified, purified by ammonium sulfate precipitation and Sephadex G-100 gel filtration. SDS-PAGE of protease inhibitor showed molecular weight of approximately 10 KDa. PCR

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::644078b0c77c50db1219547471491b38

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Enhancement of glutamine synthetase activity in Paenibacillus polymyxa by optimization of different growth conditions

Autor: Khaled Z. El-Baghdady, N. A. Ibrahiem, H. A. Ahmed, D. E. El-Hadedy, Hassan M. Gebreel

Publikováno v: African Journal of Biotechnology; Vol 11, No 55 (2012); 11815-11825

Biological nitrogen fixation is highly regulated at the transcriptional level by sophisticated regulatory networks that respond to multiple environmental signals. Glutamine synthetase (GS) occupies a central position in cellular metabolism and offer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6e4d08cff59b4ca2ec7863b3950cad7
https://doi.org/10.5897/ajb11.3918

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