Isolation, characterization and screening for bioactive compounds produced by marine streptomycetes / Ayatollah Samir Abdelmoniem Elzayat ; Supervised Ferial Mohamed Rashad , Hayam Mohamed Fathy

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Ayatollah Samir Abdelmoniem Elzayat

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TextLanguage: English Publication details: Cairo : Ayatollah Samir Abdelmoniem Elzayat , 2015Description: 137 P. : charts ; 25cmOther title:

البحرية المنتجة لمركبات نشطة بيولوجياً Streptomycetes دراسات عزل و تصنيف بكتريا الـ [Added title page title]

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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Microbiology Summary: Different strategies have been employed for selective isolation of streptomycetes from twenty marine samples varied in their biological nature. The recovery of streptomycetes isolates (112) was influenced preferentially by different strategies; sediment samples were the best source of potential candidate streptomycetes. All isolates exhibited antimicrobial activities with variable spectrum; the most promising isolates (31) were phenotypically characterized and identified as streptomyces spp.; these isolates exhibited variable capacity for secretion of numerous hydrolytic enzymes such as catalase, protease, amylase, lipase, lecithinase, asparaginase, chitinase and pectinase. Based on the morphological, cultural, physiological, biochemical and chemotaxonomical characteristics, isolates were strongly identified as belong to genus Streptomyces and tentatively to different species; using the UPGMA program, the 31 strains were assigned to 10 hierarchical clusters: one major cluster consists of 14 strains, 6 minor clusters consist of 4 or 2 strains and 3 single membered clusters

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Holdings
Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.07.06.M.Sc.2015.Ay.I (Browse shelf(Opens below))		Not for loan		01010110067452000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.07.06.M.Sc.2015.Ay.I (Browse shelf(Opens below))	67452.CD	Not for loan		01020110067452000

Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Microbiology

Different strategies have been employed for selective isolation of streptomycetes from twenty marine samples varied in their biological nature. The recovery of streptomycetes isolates (112) was influenced preferentially by different strategies; sediment samples were the best source of potential candidate streptomycetes. All isolates exhibited antimicrobial activities with variable spectrum; the most promising isolates (31) were phenotypically characterized and identified as streptomyces spp.; these isolates exhibited variable capacity for secretion of numerous hydrolytic enzymes such as catalase, protease, amylase, lipase, lecithinase, asparaginase, chitinase and pectinase. Based on the morphological, cultural, physiological, biochemical and chemotaxonomical characteristics, isolates were strongly identified as belong to genus Streptomyces and tentatively to different species; using the UPGMA program, the 31 strains were assigned to 10 hierarchical clusters: one major cluster consists of 14 strains, 6 minor clusters consist of 4 or 2 strains and 3 single membered clusters

Issued also as CD

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