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Bacteriophages of Azotobacter sp in Minia governorate soils, Egypt [electronic resource].

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Abduallah, A. R

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Language: English Summary language: Arabic Description: p.815-838Other title:

دراسات على بكتريا يوفاجات الأزوتوباكتر في أراضي المنيا مصر.‪ [Added title page title]

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Minia journal of agricultural research and development, 2008 v. 28 (5) [electronic resource].

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In: Minia Journal of Agricultural Research and Development 2008. v.28(5)Summary: Bacteriophages specific for Azotobacter were enriched from soil samples collected from Minia Governorate. Ten phage isolates were purified and their different characteristics (optimum pH, thermal inactivation point, sensitivity to UV radiation, host range particle size and morphology and size of genomic DNA) were characterized. pH 8 was the optimum for all phage isolates. According to the similarity in thermal stability, bacteriophages of Azotobacter were grouped. (group A, B, C, and D). Each group comprised number of phages which exhibited the same host range. According to the electron microscopy the phages of each group were found to be morphemically similar.

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Bacteriophages specific for Azotobacter were enriched from soil samples collected from Minia Governorate. Ten phage isolates were purified and their different characteristics (optimum pH, thermal inactivation point, sensitivity to UV radiation, host range particle size and morphology and size of genomic DNA) were characterized. pH 8 was the optimum for all phage isolates. According to the similarity in thermal stability, bacteriophages of Azotobacter were grouped. (group A, B, C, and D). Each group comprised number of phages which exhibited the same host range. According to the electron microscopy the phages of each group were found to be morphemically similar.

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